- H. Li,
**D. Liu**, and D. Wang, "Approximate optimistic policy iteration for optimal control of discrete-time nonlinear systems," submitted to*19th IFAC Triennial World Congress*, Cape Town, South Africa, Aug. 2014. - Q. Wei and
**D. Liu**, "Nearly optimal control scheme for discrete-time nonlinear systems with finite approximation errors using generalized value iteration algorithm,"*Proc. 19th IFAC Triennial World Congress*, Cape Town, South Africa, Aug. 2014. - Z. Wang and
**D. Liu**, "Data-based characteristics analysis for linear discrete-time systems,"*Proc. 19th IFAC Triennial World Congress*, Cape Town, South Africa, Aug. 2014. - D. Wang,
**D. Liu**, H. Li, and X. Yang, "Robust optimal control for a class of nonlinear dynamic systems using single network adaptive dynamic programming," submitted to*33rd Chinese Control Conference*, Nanjing, China, July 2014. - X. Yang,
**D. Liu**, D. Wang, and H. Ma, "Constrained online optimal control for continuous-time nonlinear systems using neuro-dynamic programming," submitted to*33rd Chinese Control Conference*, Nanjing, China, July 2014. - X. Yang,
**D. Liu**, and Q. Wei, "Near-optimal online control of uncertain nonlinear continuous-time systems based on concurrent learning," submitted to*2014 International Joint Conference on Neural Networks*, Beijing, China, July 2014. - H. Li,
**D. Liu**, and D. Wang, "Data-driven iterative adaptive dynamic programming algorithm for approximate optimal control of unknown nonlinear systems," submitted to*2014 International Joint Conference on Neural Networks*, Beijing, China, July 2014. - F. Tan,
**D. Liu**, X. Guan, and B. Luo, "Unmanned aerial vehicles (UAV) heading optimal tracking control using online kernel-based HDP algorithm," submitted to*2014 International Joint Conference on Neural Networks*, Beijing, China, July 2014. - Q. Wei and
**D. Liu**, "Optimal learning control for discrete-time nonlinear systems using generalized policy iteration based adaptive dynamic programming," submitted to*2014 World Congress on Intelligent Control and Automation*, Shenyang, China, June 2014. - C. Li,
**D. Liu**, H. Li, and D. Wang, "Decentralized control for a class of nonlinear interconnected systems using integral policy iteration," submitted to*2014 World Congress on Intelligent Control and Automation*, Shenyang, China, June 2014. - X. Yang,
**D. Liu**, and D. Wang, "Observer-based adaptive output feedback control for nonaffine nonlinear discrete-time systems using reinforcement learning,"*Proc. 20th International Conference on Neural Information Processing*, Daegu, Korea, Nov. 2013. - H. Li,
**D. Liu**, and D. Wang, "Integral policy iteration for zero-sum games with completely unknown nonlinear dynamics,"*Proc. 20th International Conference on Neural Information Processing*, Daegu, Korea, Nov. 2013. - Q. Wei and
**D. Liu**, "Neuro-optimal learning control scheme for gasification process with unknown system model,"*Proc. 6th International Conference on Advanced Computational Intelligence*, Hangzhou, China, Oct. 2013. - H. Li,
**D. Liu**, and D. Wang, "Adaptive dynamic programming for solving non-zero-sum differential games,"*Proc. 3rd IFAC International Conference on Intelligent Control and Automation Science*, Chengdu, China, Sept. 2013, pp.581-586. - Q. Wei and
**D. Liu**, "A new self-learning optimal control scheme for discrete-time nonlinear systems using policy iterative adaptive dynamic programming,"*Proc. 3rd IFAC International Conference on Intelligent Control and Automation Science*, Chengdu, China, Sept. 2013, pp.575-580. - X. Yang,
**D. Liu**, and D. Wang, "Neuro-optimal control of unknown nonaffine nonlinear systems with saturating actuators,"*Proc. 3rd IFAC International Conference on Intelligent Control and Automation Science*, Chengdu, China, Sept. 2013, pp.569-574. - Q. Wei and
**D. Liu**, "Stable iterative optimal control for discrete-time nonlinear systems using numerical controller,"*Proc. 2013 IEEE International Conference on Service Operations and Logistics, and Informatics*, Dongguan, Guangdong, China, July 2013. - D. Wang,
**D. Liu**, H. Li, and X. Yang, "A learning optimal control scheme for robust stabilization of a class of uncertain nonlinear systems,"*Proc. 32nd Chinese Control Conference*, Xi'an, China, July 2013. - X. Yang,
**D. Liu**, and D. Wang, "Direct adaptive output feedback control for MIMO uncertain nonlinear discrete-time systems based on neural networks,"*Proc. 32nd Chinese Control Conference*, Xi'an, China, July 2013. **D. Liu**, Y. Huang, and Q. Wei, "Neural network H-infinity tracking control of nonlinear systems using GHJI method,"*Proc. 2013 International Symposium on Neural Networks*, Dalian, China, July 2013, vol.2, pp.186-195. (See*Advances in Neural Networks - ISNN 2013*, Lecture Notes in Computer Science, vol.7952, Edited by C. Guo, Z. Hou, and Z. Zeng, Berlin: Springer-Verlag, 2013.)- D. Zhang and
**D. Liu**, "Adaptive optimal control for nonlinear systems with control constraints using GDHP technique,"*Proc. 4th International Conference on Intelligent Control and Information Processing*, Beijing, China, June 2013, pp.398-401. **D. Liu**, D. Wang, and H. Li, "Online learning optimal control for decentralized stabilization of nonlinear interconnected systems,"*Proc. 3rd IEEE International Conference on CYBER Technology in Automation, Control, and Intelligent Systems*, Nanjing, China, May 2013.- Y. Huang,
**D. Liu**, and Q. Wei, "Convergence analysis of continuous-time systems based on feedforward neural networks,"*Proc. 2013 IEEE International Symposium on Circuits and Systems*, Beijing, China, May 2013, pp.2095-2098. **D. Liu**and Q. Wei, "Generalized adaptive dynamic programming algorithm for discrete-time nonlinear systems: Convergence and stability analysis,"*Proc. 3rd IEEE International Conference on Information Science and Technology*, Yangzhou, China, Mar. 2013.- Y. Huang,
**D. Liu**, and Q. Wei, "Generalized Hamilton-Jacobi-Isaacs formulation-based neural network H-infinity control for constrained input nonlinear systems,"*Proc. 19th International Conference on Neural Information Processing*, Doha, Qatar, Nov. 2012, pp.218-225. - D. Zhang,
**D. Liu**, and Q. Wei, "Nearly optimal control laws for nonlinear systems with the dead-zone control input based on iterative the ADP approach,"*Proc. 19th International Conference on Neural Information Processing*, Doha, Qatar, Nov. 2012, pp.127-134. - Y. Ma and
**D. Liu**, "Cooperative spectrum sensing in cognitive radio with Taguchi method,"*Proc. 76th IEEE Vehicular Technology Conference*, Quebec City, Canada, Sept. 2012, pp.1-5. - H. Li,
**D. Liu**, and D. Wang, "Neural-network-based optimal control for discrete-time nonlinear systems using general value iteration,"*Proc. 2012 Chinese Control Conference*, Hefei, China, July 2012, pp.2932-2937. **D. Liu**, D. Wang, and H. Li, "Optimal control of unknown discrete-time nonlinear systems with constrained inputs using GDHP technique,"*Proc. 2012 Chinese Control Conference*, Hefei, China, July 2012, pp.2926-2931.- H. Li,
**D. Liu**, and D. Wang, "Heuristic dynamic programming-based H-infinity control of discrete-time affine nonlinear systems,"*Proc. 3rd International Conference on Intelligent Control and Information Processing*, Dalian, China, July 2012, pp.331-335. **D. Liu**, X. Yang, and H. Li, "Adaptive optimal control for a class of nonlinear partially uncertain dynamic systems via policy iteration,"*Proc. 3rd International Conference on Intelligent Control and Information Processing*, Dalian, China, July 2012, pp.92-96.- Q. Wei and
**D. Liu**, "Self-learning control schemes for two-person zero-sum differential games of continuous-time nonlinear systems with saturating controllers,"*Proc. 2012 International Symposium on Neural Networks*, Shenyang, China, July 2012, vol.2, pp.534-543. (See*Advances in Neural Networks - ISNN 2012*, Lecture Notes in Computer Science, vol.7368, Edited by J. Wang, G. Yen, and M. Polycarpou, Berlin: Springer-Verlag, 2012.) - Y. Huang,
**D. Liu**, and Q. Wei, "Temperature control in water-gas shift reaction with adaptive dynamic programming,"*Proc. 2012 International Symposium on Neural Networks*, Shenyang, China, July 2012, vol.2, pp4.78-487. (See*Advances in Neural Networks - ISNN 2012*, Lecture Notes in Computer Science, vol.7368, Edited by J. Wang, G. Yen, and M. Polycarpou, Berlin: Springer-Verlag, 2012.) - D. Fuselli, F. De Angelis, M. Boaro,
**D. Liu**, Q. Wei, S. Squartini, and F. Piazza, "Optimal battery management with ADHDP in smart home environments,"*Proc. 2012 International Symposium on Neural Networks*, Shenyang, China, July 2012, vol.2, pp.355-364. (See*Advances in Neural Networks - ISNN 2012*, Lecture Notes in Computer Science, vol.7368, Edited by J. Wang, G. Yen, and M. Polycarpou, Berlin: Springer-Verlag, 2012.) - Z. Wang and
**D. Liu**, "Data-based approach for the control of a class of nonlinear affine systems,"*Proc. 2012 World Congress on Intelligent Control and Automation*, Beijing, China, July 2012, pp.2722-2727. **D. Liu**and Q. Wei, "A new optimal control method for discrete-time nonlinear systems with approximation error,"*Proc. 2012 World Congress on Intelligent Control and Automation*, Beijing, China, July 2012, pp.185-190.- D. Wang,
**D. Liu**, and H. Li, "Finite-horizon neural optimal tracking control for a class of nonlinear systems with unknown dynamics,"*Proc. 2012 World Congress on Intelligent Control and Automation*, Beijing, China, July 2012, pp.138-143. **D. Liu**, H. Li, and Q. Wei, "H-infinity control of unknown discrete-time nonlinear systems with control constraints using adaptive dynamic programming,"*Proc. International Joint Conference on Neural Networks*, Brisbane, Australia, June 2012, pp.3056-3061.- Q. Wei and
**D. Liu**, "Adaptive dynamic programming with stable value iteration algorithm for discrete-time nonlinear systems,"*Proc. International Joint Conference on Neural Networks*, Brisbane, Australia, June 2012, pp.1070-1075. - T. Huang and
**D. Liu**, "Residential energy system control and management using adaptive dynamic programming,"*Proc. International Joint Conference on Neural Networks,*San Jose, CA, July 2011, pp.119-124. - Q. Wei and
**D. Liu**, "Optimal control for discrete-time nonlinear systems with unknown initial dynamics using adaptive dynamic programming,"*Proc. International Joint Conference on Neural Networks*, San Jose, CA, July 2011, pp.61-67. - D. Wang,
**D. Liu**, and D. Zhao, "Neural-network-based optimal control for a class of nonlinear discrete-time systems with control constraints using the iterative GDHP algorithm,"*Proc. International Joint Conference on Neural Networks*, San Jose, CA, July 2011, pp.53-60. - Q.Wei and
**D. Liu**, "Nonlinear multi-person zero-sum differential games using iterative adaptive dynamic programming,"*Proc. 2011 Chinese Control Conference*, Yantai, China, July 2011, pp.2456-2461. - D.Wang,
**D. Liu**, and Q.Wei, "Adaptive dynamic programming for finite-horizon optimal tracking control of a class of nonlinear systems,"*Proc. 2011 Chinese Control Conference*, Yantai, China, July 2011, pp.2450-2455. - N. Dong,
**D. Liu**, and Z. Chen, "Data based predictive control using neural networks and stochastic approximation,"*Proc. 2011 International Conference on Modelling, Identification and Control*, Shanghai, China, June 2011, pp.256-260. - D.Wang and
**D. Liu**, "Optimal control for a class of unknown nonlinear systems via the iterative GDHP algorithm,"*Proc. 8th International Symposium on Neural Networks*, Guilin, China, May 2011, pp. 630-639. (See Advances in Neural Networks - ISNN 2011, Lecture Notes in Computer Science, vol. 6676, Edited by D. Liu, H. Zhang, M. Polycarpou, C. Alippi, and H. He, Berlin: Springer-Verlag, 2011.) - Q. Wei, D. Wang, and
**D. Liu**, "Finite horizon optimal tracking control for a class of discretetime nonlinear systems,"*Proc. 8th International Symposium on Neural Networks*, Guilin, China, May 2011. pp.620¨C629. (See Advances in Neural Networks - ISNN 2011, Lecture Notes in Computer Science, vol. 6676, Edited by D. Liu, H. Zhang, M. Polycarpou, C. Alippi, and H. He, Berlin: Springer-Verlag, 2011.) **D. Liu**, D. Wang, and D. Zhao, "Adaptive dynamic programming for optimal control of unknown nonlinear discrete-time systems,"*Proc. 2011 IEEE Symposium on Adaptive Dynamic Programming and Reinforcement Learning*, Paris, France, Apr. 2011, pp.242-249.**D. Liu**and Q. Wei, "Adaptive dynamic programming for a class of discrete-time non-affine nonlinear systems with time-delays,"*Proc. 2010 International Joint Conference on Neural Networks*, Barcelona, Spain, July 2010, pp.1-6.- Z. Liu, H. Zhang, and
**D. Liu**, "Adaptive tracking control of a class of nonlinear time-delay systems with NN actuator saturation compensation,"*Proc. 2010 World Congress on Intelligent Control and Automation*, Jinan, China, July 2010, pp.5115-5120. - F. Tan,
**D. Liu**, and X. Guan, "Output synchronization of multiple mobile agents,"*Proc. 2010 IEEE International Conference on Networking, Sensing and Control*, Chicago, IL, Apr. 2010, pp.325-330. - Q. Wei and
**D. Liu**, "An iterative ADP approach for solving a class of nonlinear zero-sum differential games,"*Proc. 2010 IEEE International Conference on Networking, Sensing and Control*, Chicago, IL, Apr. 2010, pp.279-285. - Q. Kang, L. Wang,
**D. Liu**, and Q. Wu, "Parameter approximate dynamic optimization for PSO systems,"*Proc. 49th IEEE Conference on Decision and Control*, Shanghai, China, Dec. 2009, pp.5003-5008. - T. Ma, H. Zhang,
**D. Liu**, and Z. Wang "A novel LMI approach to global impulsive exponential synchronization of chaotic delayed neural networks,"*Proc. 49th IEEE Conference on Decision and Control*, Shanghai, China, Dec. 2009, pp.626-631. - H. Javaherian, T. Huang, and
**D. Liu**, "A biologically inspired adaptive nonlinear control strategy for applications to powertrain control,"*Proc. 2009 IEEE International Conference on Systems, Man, and Cybernetics*, San Antonio, TX, Oct. 2009, pp.2007-2013. - J. Yang, H. Zhang, and
**D. Liu**, "A novel control scheme for a class of nonlinear systems with time delays based on fuzzy hyperbolic model,"*Proc. 2009 IEEE International Conference on Fuzzy Systems*, Jeju Island, Korea, Aug. 2009, pp.1745-1750. - J. Liu, X. Li, H Zhang, and
**D. Liu**, "Noise reduction for oil pipeline pressure time series based on wavelet filtering technology,"*Proc. 2009 IEEE International Conference on Automation and Logistics*, Shenyang, China, Aug. 2009, pp.1507-1512. - J. Fu, H. Zhang,
**D. Liu**, and X. Xie, "Delay-dependent passivity analysis of a class of uncertain stochastic recurrent neural networks,"*Proc. 2009 IEEE International Conference on Automation and Logistics*, Shenyang, China, Aug. 2009, pp.675-680. - F. Tan,
**D. Liu**, and X. Guan, "Consensus value of multi-agent networked systems with time-delay,"*Proc. 2009 IEEE Conference on Service Operations, Logistics and Informatics*, Chicago, IL, July 2009, pp.179-184. **D. Liu**and N. Jin, "Adaptive dynamic programming for discrete-time systems with infinite horizon and epsilon error bound in the performance cost,"*Proc. 2009 International Joint Conference on Neural Networks*, Atlanta, GA, June 2009, pp.1849-1854.- X. Yu, L. Liu, S. Yang, X. Zhong, and
**D. Liu**, "Misfire detection based on engine speed using wavelet,"*Proc. 2009 IEEE Intelligent Vehicle Symposium*, Xi'An, China, June 2009, pp.833-837. - Z. Wang, H. Zhang, and
**D. Liu**, "LMI-based global asymptotic stability criterion for recurrent neural networks with infinite distributed delays,"*Proc. 2009 International Symposium on Neural Networks*, Wuhan, China, May 2009. - X. Zhang, H. Zhang, and
**D. Liu**, "Neural-network-based reinforcement learning controller for nonlinear systems with non-symmetric dead-zone inputs,"*Proc. 2009 IEEE Symposium on Adaptive Dynamic Programming and Reinforcement Learning*, Nashiville, TN, Mar. 2009, pp.124-129. - L. Cui, H. Zhang, and
**D. Liu**, "Constrained optimal control of affine nonlinear discrete-time systems using the GHJB method,"*Proc. 2009 IEEE Symposium on Adaptive Dynamic Programming and Reinforcement Learning*, Nashiville, TN, Mar. 2009, pp.16-21. - X. Xie, H, Zhang, and
**D. Liu**, "Non-quadratic stabilization of discrete-time 2-D T-S fuzzy systems based on new relaxed conditions,"*Proc. 2009 IEEE International Conference on Networking, Sensing and Control*, Okayama, Japan, Mar. 2009, pp.924-929. - N. Jin,
**D. Liu**, and Y. Ma, "Adaptive dynamic programming algorithm for discrete-time systems with epsilon error bound and discount factor in the performance cost,"*Proc. 2009 IEEE International Conference on Networking, Sensing and Control*, Okayama, Japan, Mar. 2009, pp.189-194. - Q. Wei,
**D. Liu**, and H. Zhang, "Adaptive dynamic programming for a class of nonlinear control systems with general separable performance index,"*Proc. 5th International Symposium on Neural Networks*, Beijing, China, Sept. 2008, vol.2, pp.128-137. (See*Advances in Neural Networks - ISNN 2008*, Lecture Notes in Computer Science, vol.5264, Edited by F. Sun, J. Zhang, Y. Tan, J. Cao, and W. Yu, Berlin: Springer-Verlag, 2008.) - X. Lin, S. Lei, C. Song, S. Song, and
**D. Liu**, "ADHDP for the pH value control in the clarifying process of sugar cane juice,"*Proc. 5th International Symposium on Neural Networks*, Beijing, China, Sept. 2008, vol.1, pp.796-805. (See*Advances in Neural Networks - ISNN 2008*, Lecture Notes in Computer Science, vol.5263, Edited by F. Sun, J. Zhang, Y. Tan, J. Cao, and W. Yu, Berlin: Springer-Verlag, 2008.) - N. Jin and
**D. Liu**, "Discrete-time epsilon-adaptive dynamic programming algorithm using neural networks,"*Proc. 23rd IEEE International Symposium on Intelligent Control*, San Antonio, TX, Sept. 2008, pp.1085-1090. - L. Cheng, Z.-G. Hou, M. Tan,
**D. Liu**, and A.-M. Zou, "Multi-agent based adaptive consensus control for multiple manipulators with kinematic uncertainties,"*Proc. 23rd IEEE International Symposium on Intelligent Control*, San Antonio, TX, Sept. 2008, pp.189-194. - Z. Song, H. Zhang, and
**D. Liu**, "An adaptive control method for a class of uncertain nonlinear systems with ferromagnetic hysteresis nonlinearity,"*Proc. 27th Chinese Control Conference*, Kunming, China, July 2008, pp.24-28. - T. Ma, H. Zhang, and
**D. Liu**, "Robust impulsive synchronization for a class of unified chaotic systems with parameter uncertainty,"*Proc. 17th IFAC Triennial World Congress*, Seoul, Korea, July 2008, pp.15114-15118. - T. Huang,
**D. Liu**, H, Javaherian, and N. Jin, "Neural sliding-mode control of engine torque,"*Proc. 17th IFAC Triennial World Congress*, Seoul, Korea, July 2008, pp.9453-9458. - Z. Liu, H. Zhang, and
**D. Liu**, "Novel delay-dependent exponential stability of a class of fuzzy cellular neural networks with time-varying delays,"*Proc. 17th IFAC Triennial World Congress*, Seoul, Korea, July 2008, pp.2472-2477. - Y. Zhao,
**D. Liu**, and H. Zhang, "T-S fuzzy modeling and control for a class of chaotic (hyperchaotic) systems with uncertain parameters,"*Proc. 7th World Congress on Intelligent Control and Automation*, Chongqing, China, June 2008, pp.19-23. **D. Liu**and N. Jin, "epsilon-adaptive dynamic programming for discrete-time systems,"*Proc. 2008 International Joint Conference on Neural Networks*, Hong Kong, June 2008, pp.1417-1424.- Z. Pang and
**D. Liu**, "Seizure prediction using a dynamic model with hidden variable,"*Proc. 2nd International Conference on Bioinformatics and Biomedical Engineering*, Shanghai, China, May 2008, pp.506-509. - J. Ma, T. Yang, Z.-G. Hou, M. Tan, and
**D. Liu**, "Dual heuristic programming based neurocontroller for vibration isolation control,"*Proc. 2008 IEEE International Conference on Networking, Sensing and Control*, Sanya, China, Apr. 2008, pp.874-879. **D. Liu**and Z. Pang, "Epileptic seizures predicted by modified particle filters,"*Proc. 2008 IEEE International Conference on Networking, Sensing and Control*, Sanya, China, Apr. 2008, pp.351-356.- F. Tan, X. Guan, and
**D. Liu**, "The consensus protocol for multi-agent systems based on the algebraic connectivity,"*Proc. 2008 IEEE International Conference on Networking, Sensing and Control*, Sanya, China, Apr. 2008, pp.310-313. - N. Jin,
**D. Liu**, Z. Pang, and T. Huang, "Wavelet basis function neural networks,"*Proc. 2007 International Joint Conference on Neural Networks*, Orlando, FL, Aug. 2007, pp.500-505. - X. Lin, Z. Zhang, and
**D. Liu**, "Temperature control in precalcinator with dual heuristic dynamic programming,"*Proc. 2007 International Joint Conference on Neural Networks*, Orlando, FL, Aug. 2007, pp.344-349. - Z. Pang,
**D. Liu**, N. Jin, and Z. Wang, "Neural network strategy for sampling of particle filter on the tracking problem,"*Proc. 2007 International Joint Conference on Neural Networks*, Orlando, FL, Aug. 2007, pp.254-259. - Z. Pang,
**D. Liu**, and S. Lloyd, "Classification of obstructive sleep apnea by neural networks,"*Proc. International Symposium on Neural Networks*, Nanjing, China, June 2007, vol.2, pp.1299-1308. (See*Advances in Neural Networks - ISNN 2007*, Lecture Notes in Computer Science, vol.4492, Edited by**D. Liu**, S. Fei, Z. Hou, and H. Zhang, Berlin: Springer-Verlag, 2007.) - H. Zhang, Q. Wei, and
**D. Liu**, "On-line learning control for discrete nonlinear systems via an improved ADDHP method,"*Proc. International Symposium on Neural Networks*, Nanjing, China, June 2007, vol.1, pp.387-396. (See*Advances in Neural Networks - ISNN 2007*, Lecture Notes in Computer Science, vol.4491, Edited by**D. Liu**, S. Fei, Z. Hou, and H. Zhang, Berlin: Springer-Verlag, 2007.) - J. Lu and
**D. Liu**, "A brief overview of the complex biological and engineering networks,"*Proc. 2007 IEEE International Symposium on Circuits and Systems*, New Orleans, LA, May 2007, pp.2634-2637. - H. Guan, H. Zhang, Z. Wang, and
**D. Liu**, "Global asymptotic stability of recurrent neural networks with time varying delays,"*Proc. 2007 IEEE International Symposium on Circuits and Systems*, New Orleans, LA, May 2007, pp.1005-1008. - C. Sun, H. Liang, L. Li, and
**D. Liu**, "Clustering with a weighted sum validity function using a niching PSO algorithm,"*Proc. 2007 IEEE International Conference on Networking, Sensing and Control*, London, UK, Apr. 2007, pp.368-373. - N. Jin,
**D. Liu**, T. Huang, and Z. Pang, "Discrete-time adaptive dynamic programming using wavelet basis function neural networks,"*Proc. 2007 IEEE International Symposium on Approximate Dynamic Programming and Reinforcement Learning*, Honolulu, HI, Apr. 2007, pp.135-142. - D. Zhao, J. Yi, and
**D. Liu**, "Particle swarm optimized adaptive dynamic programming,"*Proc. 2007 IEEE International Symposium on Approximate Dynamic Programming and Reinforcement Learning*, Honolulu, HI, Apr. 2007, pp.32-37. **D. Liu**and N. Jin, "Finite horizon discrete-time approximate dynamic programming,"*Proc. 21st IEEE International Symposium on Intelligent Control*, Munich, Germany, Oct. 2006, pp.446-451.- C. Sun, L. Li, and
**D. Liu**, "A weighted sum validity function for clustering with BPSO algorithm,"*Proc. 25th Chinese Control Conference*, Harbin, China, Aug. 2006, pp.1830-1834. - H. Javaherian,
**D. Liu**, and O. Kovalenko, "Automotive engine torque and air-fuel ratio control using dual heuristic dynamic programming,"*Proc. 2006 International Joint Conference on Neural Networks*, Vancouver, Canada, July 2006, pp.518-525. - X. Liu, H. Zhang, and
**D. Liu**, "Decentralized H-infinity control of fuzzy large-scale systems,"*Proc. 2006 IEEE International Conference on Fuzzy Systems*, Vancouver, Canada, July 2006, pp.1924-1931. - J. Feng, H. Zhang, T. Zhang, and
**D. Liu**, "Detection algorithm and application based on work status evaluator,"*Proc. 6th World Congress on Intelligent Control and Automation*, Dalian, China, June 2006, pp.5479-5482. - Q. Gong, H. Zhang, C. Song, and
**D. Liu**, "Disturbance decoupling control of a class of nonlinear time-delay systems,"*Proc. 6th World Congress on Intelligent Control and Automation*, Dalian, China, June 2006, pp.878-882. - J. Yang,
**D. Liu**, J. Feng, H. Zhang, "Controller design for a class of nonlinear systems based on fuzzy hyperbolic model,"*Proc. 6th World Congress on Intelligent Control and Automation*, Dalian, China, June 2006, pp.873-877. - H. Zhang, Y. Luo, and
**D. Liu**, "A new fuzzy identification method based on adaptive critic designs,"*Proc. 3rd International Symposium on Neural Networks*, Chengdu, China, May 2006, vol.1, pp.804-809. (See*Advances in Neural Networks - ISNN 2006*, Lecture Notes in Computer Science, vol.3971, Edited by J. Wang, Z. Yi, J. M. Zurada, B.-L. Lu, and H. Yin, Berlin: Springer-Verlag, 2006.) - S. Hu,
**D. Liu**, and J. Wang, "Sequential blind extraction of instantaneous mixtures with arbitrary rank,"*Proc. IEEE International Symposium on Circuits and Systems*, Island of Kos, Greece, May 2006, pp.4551-4554. - G. Wang, H. Zhang, and
**D. Liu**, "Global exponential stability of generalized neural networks with time-varying delays,"*Proc. IEEE International Symposium on Circuits and Systems*, Island of Kos, Greece, May 2006, pp.743-746. - Y. Wang, H. Zhang, S. Hu, and
**D. Liu**, "Delay-dependent guaranteed cost control for uncertain stochastic fuzzy systems with time-delay,"*Proc. 2006 IEEE International Conference on Networking, Sensing and Control*, Ft. Lauderdale, FL, Apr. 2006, pp.532-537. - G. Zhai, X. Xu, H. Lin, and
**D. Liu**, "An extension of Lie algebraic stability analysis for switched systems with continuous-time and discrete-time subsystems,"*Proc. 2006 IEEE International Conference on Networking, Sensing and Control*, Ft. Lauderdale, FL, Apr. 2006, pp.362-367. - A.-M. Zou, Z.-G. Hou, M. Tan, and
**D. Liu**, "Vision-guided mobile robot navigation,"*Proc. 2006 IEEE International Conference on Networking, Sensing and Control*, Ft. Lauderdale, FL, Apr. 2006, pp.209-213. - A.-M. Zou, Z.-G. Hou, M. Tan, and
**D. Liu**, "Path planning for mobile robots using straight lines,"*Proc. 2006 IEEE International Conference on Networking, Sensing and Control*, Ft. Lauderdale, FL, Apr. 2006, pp.204-208. - G. Tu, C. Zhang, Y. Zhang, and
**D. Liu**, "Architecture of next generation network with information sharing,"*Proc. 2006 IEEE International Conference on Networking, Sensing and Control*, Ft. Lauderdale, FL, Apr. 2006, pp.125-130. - M. Zhang, H. Zhang, and
**D. Liu**, "Robust adaptive fuzzy output control for nonlinear uncertain systems,"*Proc. 44th IEEE Conference on Decision and Control*, Seville, Spain, Dec. 2005, pp.7846-7851. - Y. Cai and
**D. Liu**, "An orthogonal array optimization for the economic dispatch with nonsmooth cost functions,"*Proc. 44th IEEE Conference on Decision and Control*, Seville, Spain, Dec. 2005, pp.1264-1269. -
**D. Liu**and H. Zare, "A new technique for WCDMA downlink interference cancellation,"*Proc. International Conference on Wireless Communications, Networking and Mobile Computing*, Wuhan, China, Sept. 2005, pp.583-586. - X. Xiong,
**D. Liu**, and H. Zhang, "A self-organizing neural network approach for the identification of motifs with insertions and deletions in protein sequence,"*Proc. International Joint Conference on Neural Networks*, Montreal, Canada, July 2005, pp.292-297. -
Y. Wang, H. Zhang, and
**D. Liu**, "Stability analysis of uncertain fuzzy stochastic systems,"*Proc. Chinese Control Conference*, Guangzhou, China, July 2005, pp.1132-1136. - S. Lun, H. Zhang, and
**D. Liu**, "Fuzzy H-infinity filtering of discrete-time nonlinear systems with multiple time delays,"*Proc. 20th IEEE International Symposium on Intelligent Control*, Limassol, Cyprus, June 2005, pp.1023-1028. - H. Zhang, C. Ji, and
**D. Liu**, "Robust stability analysis of a class of Hopfield neural networks with multiple delays,"*Proc. International Symposium on Neural Networks*, Chongqing, China, May 2005, vol.2, pp.209-214. (See*Advances in Neural Networks - ISNN 2005*, Lecture Notes in Computer Science, vol.3496, Edited by J. Wang, X. Liao, and Z. Yi, Berlin: Springer-Verlag, 2005.) - H. Zhang, Z. Wang, and
**D. Liu**, "Exponential stability analysis of neural networks with multiple time delays,"*Proc. International Symposium on Neural Networks*, Chongqing, China, May 2005, vol.2, pp.142-148. (See*Advances in Neural Networks - ISNN 2005*, Lecture Notes in Computer Science, vol.3496, Edited by J. Wang, X. Liao, and Z. Yi, Berlin: Springer-Verlag, 2005.) - S. Hu,
**D. Liu**, and H. Zhang, "Gradient-based methods for simultaneous blind separation of mixed source signals,"*Proc. IEEE International Symposium on Circuits and Systems*, Kobe, Japan, May 2005, pp.5690-5693. - Z. Wang, H. Zhang, and
**D. Liu**, "Chaotification of nonlinear systems described by the fuzzy hyperbolic model,"*Proc. IEEE International Symposium on Circuits and Systems*, Kobe, Japan, May 2005, pp.3387-3390. - G. Zhai,
**D. Liu**, J. Imae, and T. Kobayashi, "Stability analysis for switched systems with continuous-time and discrete-time subsystemas: A Lie algebraic approach,"*Proc. IEEE International Symposium on Circuits and Systems*, Kobe, Japan, May 2005, pp.3183-3186. **D. Liu**, X. Xiong, and B. DasGupta, "A self-organizing neural network structure for motif identification in DNA sequences,"*Proc. IEEE International Conference on Networking, Sensing and Control*, Tucson, AZ, Mar. 2005, pp.129-134.- G. Tu,
**D. Liu**, and C. Zhang, "A new compression algorithm for medical images using wavelet transform,"*Proc. 2005 IEEE International Conference on Networking, Sensing and Control*, Tucson, AZ, Mar. 2005, pp.84-89. - Z. Wang, H. Zhang, and
**D. Liu**, "Anticontrol of the fuzzy hyperbolic model,"*Proc. 43rd IEEE Conference on Decision and Control*, Paradise Island, Bahamas, Dec. 2004, pp.2053-2058. - S. Lun, H. Zhang, and
**D. Liu**, "Fuzzy hyperbolic H-infinity filter design for a class of nonlinear continuous-time dynamic systems,"*Proc. 43rd IEEE Conference on Decision and Control*, Paradise Island, Bahamas, Dec. 2004, pp.225-230. -
**D. Liu**and Y. Cai, "Orthogonal array optimization method for multiuser detection in DS-CDMA systems,"*Proc. IEEE Vehicular Technology Conference*, Los Angeles, CA, Sept. 2004, pp.1885-1889. **D. Liu**and H. Zare, "Partial parallel interference cancellation for CDMA systems employing antenna arrays,"*Proc. IEEE Vehicular Technology Conference*, Los Angeles, CA, Sept. 2004, pp.684-688.- O. Kovalenko,
**D. Liu**, and H. Javaherian, "Neural network modeling and adaptive critic control of automotive fuel-injection systems,"*Proc. 19th IEEE International Symposium on Intelligent Control*, Taipei, Taiwan, Sept. 2004, pp.368-373. (Invited paper) - C. Sun,
**D. Liu**, and C.-B. Feng, "A new condition for the global robust exponential periodicity of interval neural networks with delays,"*Proc. International Joint Conference on Neural Networks*, Budapest, Hungary, July 2004, pp.201-206. - M. Zhang, H. Zhang, and
**D. Liu**, "A generalized fuzzy hyperbolic modeling and control scheme,"*Proc. IEEE International Conference on Fuzzy Systems*, Budapest, Hungary, July 2004, pp.1203-1207. - J. Feng, H. Zhang, and
**D. Liu**, "Applications of fuzzy decision-making in pipeline leak localization,"*Proc. IEEE International Conference on Fuzzy Systems*, Budapest, Hungary, July 2004, pp.599-603. - H. Liang, H. Zhang, and
**D. Liu**, "Roughness of fuzzy sets based on two new operators,"*Proc. IEEE International Conference on Fuzzy Systems*, Budapest, Hungary, July 2004, pp.583-586. - H. Javaherian,
**D. Liu**, Y. Zhang, and O. Kovalenko, "Adaptive critic learning techniques for automotive engine control,"*Proc. American Control Conference*, Boston, MA, June 2004, pp.4066-4071. -
**D. Liu**and H. Zare, "An interference immune modulation and demodulation technique for the downlink of spread spectrum communication systems,"*Proc. International Conference on Communications, Circuits and Systems*, Chengdu, China, June 2004, pp.131-134. -
**D. Liu**, Y. Cai, and G. Tu, "A new coding scheme for packets in CDMA-based wireless ad hoc networks,"*Proc. International Conference on Communications, Circuits and Systems*, Chengdu, China, June 2004, pp.121-125. **D. Liu**and S. Hu, "Sequential blind extraction of mixed source signals with guaranteed convergence,"*Proc. IEEE International Symposium on Circuits and Systems*, Vancouver, Canada, May 2004, vol.5, pp.25-28.**D. Liu**and S. Hu, "Simultaneous blind separation of mixed source signals,"*Proc. 38th Annual Conference on Information Sciences and Systems*, Princeton University, Princeton, NJ, Mar. 2004, pp.1066-1071.- Y. Zhang and
**D. Liu**, "Call admission control for CDMA cellular networks using adaptive critic designs,"*Proc. 18th IEEE International Symposium on Intelligent Control*, Houston, TX, Oct. 2003, pp.511-516. (Invited paper) - C. Sun,
**D. Liu**, and C.-B. Feng, "New results on exponential periodicity of delayed neural networks,"*Proc. International Joint Conference on Neural Networks*, Portland, OR, July 2003, pp.902-907. **D. Liu**and S. Hu, "Output convergence analysis of continuous-time recurrent neural networks,"*Proc. IEEE International Symposium on Circuits and Systems*, Bangkok, Thailand, May 2003, vol.3, pp.466-469. (Invited paper)**D. Liu**and Y. Zhang, "A self-learning adaptive critic approach for call admission control in wireless cellular networks,"*Proc. IEEE International Conference on Communications*, Anchorage, AK, May 2003, pp.1853-1857.**D. Liu**, "Neural network-based adaptive critic designs for self-learning control,"*Proc. 9th International Conference on Neural Information Processing*, Singapore, Nov. 2002, pp.1252-1256. (Invited paper)**D. Liu**and Y. Zhang, "Call admission control algorithms for DS-CDMA cellular networks supporting multimedia services,"*Proc. IEEE Conference on Multimedia and Expo*, Lausanne, Switzerland, Aug. 2002, pp.33-36.**D. Liu**and Y. Zhang, "An adaptive call admission control algorithm for SIR-based power-controlled integrated services CDMA cellular networks,"*Proc. International Conference on Telecommunications*, Beijing, China, June 2002, pp.610-638.**D. Liu**and Y. Zhang, "A new learning control approach suitable for problems with finite action space,"*Proc. International Conference on Control and Automation*, Xiamen, China, June 2002, pp.1669-1673.**D. Liu**, "Learning control of failure avoidance problems with known analytical form of cost function,"*Proc. 4th World Congress on Intelligent Control and Automation*, Shanghai, China, June 2002, pp.950-954.- A. Molchanov and
**D. Liu**, "Criteria for asymptotic stability of a class of discrete systems with multiple independent variables,"*Proc. 2002 IEEE Symposium on Circuits and Systems*, Phoenix, AZ, May 2002, vol.1, pp.245-248. **D. Liu**, "Adaptive critic designs for problems with known analytical form of cost function,"*Proc. International Joint Conference on Neural Networks*, Honolulu, HI, May 2002, pp.1808-1813.**D. Liu**and A. Molchanov, "Applications of robust stability results to the analysis of multidimensional discrete-time systems,"*Proc. IEEE Conference on Decision and Control*, Orlando, FL, Dec. 2001, pp.3619-3624.- A. Molchanov and
**D. Liu**, "Necessary and sufficient conditions for robust absolute stability of nonlinear continuous-time systems,"*Proc. IEEE Conference on Decision and Control*, Orlando, FL, Dec. 2001, pp.45-50. - Y. Zhang and
**D. Liu**, "An adaptive algorithm for call admission control in wireless networks,"*Proc. IEEE Global Communications Conference*, San Antonio, TX, Nov. 2001, pp.3628-3632. **D. Liu**and Y. Cai, "A heuristic approach for measurement-based admission control with variable-size window,"*Proc. IEEE Global Communications Conference*, San Antonio, TX, Nov. 2001, pp.2537-2541.**D. Liu**, T.-S. Chang, and Y. Zhang, "A new learning algorithm for feedforward neural networks,"*Proc. IEEE 16th International Symposium on Intelligent Control*, Mexico City, Mexico, Sept. 2001, pp.39-44.**D. Liu**and Y. Zhang, "Adaptive guard channel assignment for cellular networks,"*Proc. IEEE CAS Workshop on Wireless Communications and Networking*, Notre Dame, IN, Aug. 2001, pp.268-273.**D. Liu**, "Open-loop training of recurrent neural networks for nonlinear dynamical system identification,"*Proc. International Joint Conference on Neural Networks,*Washington, DC, July 2001, pp.1215-1220.**D. Liu**, X. Xiong, and Y. Zhang, "Action-dependent adaptive critic designs,"*Proc. International Joint Conference on Neural Networks,*Washington, DC, July 2001, pp.990-995.**D. Liu**and A. Molchanov, "Robust stability of a class of nonlinear time-varying discrete systems,"*Proc. 2001 IEEE International Symposium on Circuits and Systems*, Sydney, Australia, May 2001, vol.3, pp.557-560.**D. Liu**, M. E. Hohil, and S. H. Smith, "A linear programming approach for solving the*N*-bit parity problem using neural networks,"*Proc. Conference on Aritificial Neural Networks in Engineering*, St. Louis, MO, Nov. 2000, pp.203-208. (See*Smart Engineering System Design: Neural Networks, Fuzzy Logic, Evolutionary Programming, Data Mining, and Complex Systems*, vol.10, Edited by C. H. Dagli, A. L. Buczak, J. Ghosh, M. J. Embrechts, O. Ersoy, and S. Kercel, New York: ASME Press, 2000.)**D. Liu**and E. I. Sara, "A new traffic model for MPEG encoded videos in ATM networks,"*Proc. 9th International Conference on Computer Communications and Networks*, Las Vegas, NV, Oct. 2000, pp.258-263.- S. Ledesma and
**D. Liu**, "A fast method for generating self-similar network traffic,"*Proc. 2000 International Conference on Communication Technologies*, Beijing, China, Aug. 2000, pp.54-61. **D. Liu**and S. Ledesma, "Generating self-similar network traffic through fractional Gaussian noise power spectrum synthesis,"*Proc. 34th Annual Conference on Information Sciences and Systems*, Princeton University, Princeton, NJ, Mar. 2000, pp.TP2.1-TP2.6.**D. Liu**and H. D. Patino, "Adaptive critic designs for self-learning ship steering control,"*Proc. 14th IEEE International Symposium on Intelligent Control*, Cambridge, MA, Sept. 1999, pp.46-51.**D. Liu**and H. D. Patino, "A self-learning ship steering controller based on adaptive critic designs,"*Proc. IFAC Triennial World Congress*, Beijing, China, July 1999, vol.J, pp.367-372.- I. Salih, S. H. Smith, and
**D. Liu**, "Design of bidirectional associative memories based on the perceptron training technique,"*Proc. 1999 IEEE International Symposium on Circuits and Systems*, Orlando, FL, May 1999, vol.5, pp.355-358. **D. Liu**, Y. Kong, and E. G. Luxford, "An adaptive critic approach for self-learning stock trading,"*Proc. IEEE/IAFE/INFORMS Conference on Computational Intelligence for Financial Engineering*, New York, NY, Mar. 1999, pp.271-280.**D. Liu**and E. I. Sara, "Modeling of MPEG video traffic in ATM networks,"*Proc. 33rd Annual Conference on Information Sciences and Systems*, Johns Hopkins University, Baltimore, MD, Mar. 1999, pp797-802.- Z. Lu and
**D. Liu**, "Design of cellular neural networks with space-invariant cloning template,"*Proc. 1998 IEEE International Symposium on Circuits and Systems*, Monterey, CA, vol.3, May 1998, pp.215-218. - M. E. Hohil,
**D. Liu**, and S. H. Smith, "*N*-bit parity networks: A simple solution,"*Proc. 32nd Annual Conference on Information Sciences and Systems*, Princeton University, Princeton, NJ, Mar. 1998, pp.695-700. - I. Salih, S. H. Smith, and
**D. Liu**, "Bidirectional associative memory design based on the perceptron training algorithm,"*Proc. 32nd Annual Conference on Information Sciences and Systems*, Princeton University, Princeton, NJ, Mar. 1998, pp.689-694. **D. Liu**and Z. Lu, "Some properties for improved information storage and retrieval in Hopfield-type neural networks,"*Proc. 36th IEEE Conference on Decision and Control*, San Diego, CA, Dec. 1997, pp.486-491.**D. Liu**and Z. Lu, "Associative memory design via perceptron learning,"*Proc. 1997 International Conference on Neural Networks*, Houston, TX, June 1997, pp.1172-1177.**D. Liu**and Z. Lu, "Neural networks with connection constraints for improving information storage and retrieval,"*Proc. 31st Annual Conference on Information Sciences and Systems*, Johns Hopkins University, Baltimore, MD, Mar. 1997, pp.534-539.**D. Liu**, "Stability analysis of two-dimensional nonlinear systems using Lyapunov's second method,"*Proc. 35th IEEE Conference on Decision and Control*, Kobe, Japan, Dec. 1996, pp.574-579.**D. Liu**, "Feedback neural nets for associative memories-An overview and some new results,"*Proc. 11th IEEE International Symposium on Intelligent Control*, Dearborn, MI, Sept. 1996, pp.474-479.- A. N. Michel and
**D. Liu**, "Theory and applications of sparsely interconnected feedback neural networks,"*Proc. 1995 International Conference on Neural Networks*, Perth, Australia, Nov. 1995, pp.1070-1075. (Invited paper) **D. Liu**and A. N. Michel, "Asymptotic stability of systems with partial state saturation nonlinearities,"*Proc. 33rd IEEE Conference on Decision and Control*, Lake Buena Vista, FL, Dec. 1994, pp.1311-1316.- A. N. Michel,
**D. Liu**, and K. Wang, "Stability and stabilizability of a class of systems with state saturation and parameter uncertainties,"*Proc. 1994 American Control Conference*, Baltimore, MD, June 1994, pp.231-235. **D. Liu**and A. N. Michel, "Sparsely interconnected neural networks - Theory and applications,"*Proc. 2nd IEEE Mediterranean Symposium on New Directions in Control and Automation*, Chania, Crete, Greece, June 1994, pp.32-39.**D. Liu**and A. N. Michel, "Robustness analysis and design of sparsely interconnected neural networks,"*Proc. 32nd IEEE Conference on Decision and Control*, San Antonio, TX, Dec. 1993, pp.3676-3681.**D. Liu**and A. N. Michel, "Analysis and synthesis of sparsely connected feedback neural networks,"*Proc. 32nd IEEE Conference on Decision and Control*, San Antonio, TX, Dec. 1993, pp.3251-3252.- K. Wang, A. N. Michel, and
**D. Liu**, "Necessary and sufficient conditions for the stability of interval matrices,"*Proc. 32nd IEEE Conference on Decision and Control*, San Antonio, TX, Dec. 1993, pp.2014-2019. **D. Liu**, A. N. Michel, and K. Wang, "Stability analysis of systems with state saturation and parameter uncertainties,"*Proc. 31st Annual Allerton Conference on Communication, Control, and Computing*, University of Illinois at Urbana-Champaign, Urbana, IL, Sept. 1993, pp.1056-1057.**D. Liu**and A. N. Michel, "Robustness analysis of a class of neural networks,"*Proc. 36th Midwest Symposium on Circuits and Systems*, Detroit, MI, Aug. 1993, pp.1077-1080.**D. Liu**and A. N. Michel, "Sparsely interconnected neural networks for associative memories,"*Proc. International Workshop on Artificial Neural Networks*, Sitges, Spain, June 1993, pp.155-160. (See*New Trends in Neural Computation*, Lecture Notes in Computer Science, vol.686, Edited by J. Mira, J. Cabestany, and A. Prieto, Berlin: Springer-Verlag, 1993.)**D. Liu**and A. N. Michel, "Analysis and synthesis of a class of neural networks with sparse interconnections,"*Proc. 1993 IEEE International Symposium on Circuits and Systems*, Chicago, IL, May 1993, pp.2596-2599.**D. Liu**and A. N. Michel, "Asymptotic stability of two-dimensional digital filters with overflow nonlinearities,"*Proc. 1993 IEEE International Symposium on Circuits and Systems*, Chicago, IL, May 1993, pp.575-578.**D. Liu**and A. N. Michel, "Asymptotic stability of discrete-time systems with saturation nonlinearities,"*Proc. 31st IEEE Conference on Decision and Control*, Tucson, AZ, Dec. 1992, pp.3440-3445.**D. Liu**and A. N. Michel, "Asymptotic stability of fixed-point digital filters using generalized overflow arithmetic,"*Proc. 30th Annual Allerton Conference on Communication, Control, and Computing*, University of Illinois at Urbana-Champaign, Urbana, IL, Sept. 1992, pp.485-494.**D. Liu**"Positive invariance of symmetric polyhedral sets for continuous-time linear systems with applications,"*Proc. 30th Annual Allerton Conference on Communication, Control, and Computing*, University of Illinois at Urbana-Champaign, Urbana, IL, Sept. 1992, pp.73-82.- Z. Ye, Y. Liu, and
**D. Liu**, "Control of crane drives to avoid swing,"*Proc. 2nd International Conference on Electrical Drives*, Poiana Brasov, Romania, Sept. 1988 (plenary talk). **D. Liu**and Z. Ye, "Discrete-time model reference adaptive control systems,"*Proc. Annual Conference on Control Theory and Applications*, Hunan, China, Sept. 1987, pp.349-352.

Author:Derong LiuEstablished:September 19, 1995