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Zhang H.,Tongji University | Yang R.,Tongji University | Yan H.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Yan H.,East China University of Science and Technology | Chen Q.,Tongji University
Journal of the Franklin Institute | Year: 2015

This paper investigates the consensus problem of a class of multi-agent systems with single-integrator. Two novel distributed event-triggered control schemes are developed, which can reduce the frequency of the controller updates and the communication load. It is shown that under the proposed control protocols, consensus can be reached if the underlying communication graph of the multi-agent systems is connected and both the computation cost and communication cost are saved. Finally, the effectiveness of the theoretical results is illustrated by a simulation example. © 2015 The Franklin Institute. Source


Gao C.,East China University of Science and Technology | Ling Z.,East China University of Science and Technology | Ling Z.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Yuan Y.,East China University of Science and Technology
2011 International Conference on Electronics, Communications and Control, ICECC 2011 - Proceedings | Year: 2011

With the rapid development of Internet of Things, smart home which regarded as one of the main application domains, obtained more and more people's attention. In this paper, the characteristics and disadvantages of smart home system are analyzed. Then a smart home system based on B/S(Browse/Server) module is introduced. Through publishing the household wireless sensor network data to the web page of a remote server, users can control the household devices conveniently and remotely. Its system architecture, hardware design and implementation approach are given. This system provides a more flexible and more convenient control for smart home system and is beneficial for the popularity and promotion of smart home system. © 2011 IEEE. Source


Cui Z.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Gu X.,Key Laboratory of Advanced Control and Optimization for Chemical Process
Mathematical Problems in Engineering | Year: 2014

The scheduling problems have been discussed in the literature extensively under the assumption that the machines are permanently available without any breakdown. However, in the real manufacturing environments, the machines could be unavailable inevitably for many reasons. In this paper, the authors introduce the hybrid flowshop scheduling problem with random breakdown (RBHFS) together with a discrete group search optimizer algorithm (DGSO). In particular, two different working cases, preempt-resume case, and preempt-repeat case are considered under random breakdown. The proposed DGSO algorithm adopts the vector representation and several discrete operators, such as insert, swap, differential evolution, destruction, and construction in the producers, scroungers, and rangers phases. In addition, an orthogonal test is applied to configure the adjustable parameters in the DGSO algorithm. The computational results in both cases indicate that the proposed algorithm significantly improves the performances compared with other high performing algorithms in the literature. © 2014 Zhe Cui and Xingsheng Gu. Source


Chen B.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Niu Y.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Zou Y.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Jia T.,Shanghai Electrical Group Co.
Circuits, Systems, and Signal Processing | Year: 2013

In this work, a novel robust sliding-mode control (SMC) method has been provided for uncertain stochastic Markovian jumping systems subject to actuator degradation, such that the closed-loop system is globally asymptotically stable (with probability one). In the design of switching functions, a set of specified matrices are employed such that the connections among sliding surfaces corresponding to each mode are established. Then, a sliding-mode controller is synthesized to ensure the reachability of the specified switching surface despite actuator degradation and uncertainties. Finally, the simulation results illustrate the proposed method and the effectiveness. © 2012 Springer Science+Business Media, LLC. Source


Liu Y.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Niu Y.,Key Laboratory of Advanced Control and Optimization for Chemical Process | Hu Y.,Key Laboratory of Advanced Control and Optimization for Chemical Process
International Journal of Systems Science | Year: 2014

In this work, the problem of sliding mode control is considered for a class of uncertain switched systems in which the data dropout may happen when the state information is transmitted from the sensor to the controller. Besides, the input matrix for each subsystem is not necessarily the same. First, a common sliding surface depending on dropout probability is constructed by means of a weighted sum approach of the input matrices. And then, a sliding mode controller based on the estimator of the lost signal is designed. It is shown that both the reachability of sliding surface and the stability of sliding mode dynamics can be guaranteed, simultaneously. Finally, a numerical simulation example is given to demonstrate the effectiveness of the proposed method. © 2013 Taylor & Francis. Source

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