AUTOMATICAXu, Wei Feng, Zhi Guo Lin, Gui-Hua Yiu, Ka Fai Cedric Yu, Liying 出版年：2020
This paper addresses a kind of optimal switching problem to minimize a quadratic cost functional for the discrete-time switched linear system with time delay. Since the dynamics is influenced by the switching sequence an...
MATHEMATICS AND COMPUTERS IN SIMULATIONZhang, Yu Feng, Zhi Guo Yang, Xinsong Alsaadi, Fuad E. Ahmad, Bashir 出版年：2018
In general, finite-time stabilization techniques can always stabilize a system if control cost is not considered. Considering the fact that control cost is a very important factor in control area, we investigate finite-t...
JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATIONHe, Jin Feng Xu, Wei Feng, Zhi Guo Yang, Xinsong 出版年：2019
The global optimal solution for the optimal switching problem is considered in discrete time, where these subsystems are linear and the cost functional is quadratic. The optimal switching problem is a discrete optimizati...
CIRCUITS SYSTEMS AND SIGNAL PROCESSINGFeng, Zhi Guo Yiu, Ka Fai Cedric Wu, Soon Yi 出版年：2018
In this paper, we consider the sparse filter design problem where some of the coefficients can be reduced to zeroes in order to lower implementation complexity. The objective is to choose the fewest number of nonzero fil...
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFSQi, He Feng, Zhi Guo Yiu, Ka Fai Cedric Nordholm, Sven 出版年：2019
In this brief, we consider the minimax design of infinite impulse response (IIR) filter. First, we apply the partial fraction method to decompose the transfer function into a sum of low order fractions, as a result the m...
IMA JOURNAL OF MATHEMATICAL CONTROL AND INFORMATIONXu, Wei Feng, Zhi Guo Lin, Gui-Hua Yu, Liying 出版年：2020
This paper considers a discrete-time optimal scheduling problem for switched linear systems. In order to exactly find the global optimal solution, we study the relation between the linear dynamic system and the matrix tr...
This paper deals with a class of anticipated backward stochastic differential equations. We extend results of Peng and Yang (2009) to the case in which the generator satisfies Non-Lipschitz conditions. The existence and ...
JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATIONXu, Wei Yu, Liying Lin, Gui-Hua Feng, Zhi Guo 出版年：2020
In this paper, we consider a particular class of optimal switching problem for the linear-quadratic switched system in discrete time, where an optimal switching sequence is designed to minimize the quadratic performance ...
PROCEEDINGS OF THE 33RD CHINESE CONTROL AND DECISION CONFERENCE (CCDC 2021)Xiong, Xiaolin Lao, Zhi Feng, Zhiguo 出版年：2021
Lyapunov theory is the key point of stability problems. In this paper, we consider the stability problem of a nonlinear system. First, we design the control function and prove that the Lyapunov function can be maximally ...
Proceedings of 2018 IEEE 3rd International Conference on Cloud Computing and Internet of Things, CCIOT 2018Li, Dan Tan, Xiaofen Feng, Zhiguo 出版年：2018
The design of the broadband beamformer problem is to find the coefficients vector for all FIR filters such that output fits to a given target spatial directivity pattern in a specified domain. This problem is always very...
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONSFeng, Zhi Guo Chen, Fei Chen, Lin Yiu, Ka Fai Cedric 出版年：2020
In this paper, we consider a class of semi-infinite programming problems with a parameter. As the parameter increases, we prove that the optimal values decrease monotonically. Moreover, the limit of the sequence of optim...
JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATIONXu, Wei Feng, Zhiguo Yiu, Ka Fai Cedric 出版年：2023
Optimal switching is a special class of optimal control problems for hybrid dynamic systems. In this paper, we consider the optimal switching problem of linear-quadratic switched systems. The aim is to design a suitable ...
Proceedings of 2018 IEEE 3rd International Conference on Cloud Computing and Internet of Things, CCIOT 2018Tan, Xiaofen Xiao, Mei Feng, Zhiguo 出版年：2018
The microphone array beamformer design problem in far-field environment is to design the coefficients of FIR filters such that the maximum error between the actual response and the desired response in a specified domain ...
PACIFIC JOURNAL OF OPTIMIZATIONChen, Fei Feng, Zhi Guo Yiu, K. F. C. 出版年：2020
A novel method is presented to analyze the limit for the optimal value of a class of minimax optimization problems with parameter. The minimax optimization problems can be transformed into semi-infinite programming (SIP)...
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