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	1. Analysis of a Serial Production Line with Single Part-Type and Multiple Parallel-Machine Workstations
	WANG Zheng,YOU Jia,MU Hualing
	Electrics, Communication and Autocontrol Technology 25 April 2017
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	Abstract:In this paper, we develop a method of analyzing a serial production line with single part-type and multiple parallel-machine workstations, which has not been paid much attention to in existing literature. At first, we analyze a short line with one parallel-machine workstation and two buffers by constructing its probability balance equation based on a Markov chain model, and evaluating its performances such as throughput and work-in-process level. Then a decomposition-based algorithm is developed for the analysis of a long line with multiple parallel-machine workstations by using the result of short line analysis as building block. Our method is different from traditional decomposition-based method in that our decomposition is workstation-centered while the traditional one is buffer-centered. Numerical experiments shows that result of performance evaluation by using the proposed method is quite close to those obtained by simulation, and our method is much less time-consuming.
	TO cite this article:WANG Zheng,YOU Jia,MU Hualing. Analysis of a Serial Production Line with Single Part-Type and Multiple Parallel-Machine Workstations[OL].[25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727010


	2. Dynamic Scheduling of a One-of-a-Kind Production System
	WANG Zheng,HUANG Wenjie
	Electrics, Communication and Autocontrol Technology 25 April 2017
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	Abstract:In this research, we investigate the dynamic scheduling problem of a one-of-a-kind production (OKP) system with RFID devices. Here, dynamic scheduling means that we schedule every operation of every product according to its real-time state to minimize the average sojourn time of products. To solve this problem, we model the dynamics of an OKP system by reconfigurable timed Petri net, and then develop the difference equations to capture its dynamics, in which the remained workload of products are state variables and the production rates are control variables. A dynamic production scheduling policy is constructed by constructing desired trajectories of the remained workloads for all the products and designing a genetic algorithm-based method to track the desired trajectories. Numerical experiments show that the average sojourn time of the products in the OKP system under the proposed dynamic scheduling algorithm is much shorter than the average sojourn time under traditional scheduling rules.
	TO cite this article:WANG Zheng,HUANG Wenjie. Dynamic Scheduling of a One-of-a-Kind Production System[OL].[25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727007

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	3. Constrained L1 adaptive control for a class of systems with matched disturbance using online optimization
	HAN Siwei,MA Tong,SHEN Jiong,PAN Lei,Chengyu CAO
	Electrics, Communication and Autocontrol Technology 21 April 2017
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	Abstract:This paper presents an improvement of L1 adaptive controller to deal with system constraints. By defining an ideal system without disturbance, the original control problem is divided into a disturbance rejection problem and a tracking problem. For the disturbance rejection, the conventional L1 adaptive control is reserved to cancel the effects of disturbance with guaranteed transient performance, while the tracking control signal is produced by introducing a model predictive control (MPC) mechanism. The MPC control uses the ideal system which is guaranteed by the L1 adaptive control as its predictive model, solving a receding horizon optimization problem online with system constraint condition satisfied. Simulation result shows the effectiveness of this approach.
	TO cite this article:HAN Siwei,MA Tong,SHEN Jiong, et al. Constrained L1 adaptive control for a class of systems with matched disturbance using online optimization[OL].[21 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727826


	4. Further Results on Stability Analysisfor Systems with Time-Delay via a Refined Integral Inequality
	ZENG Hong-Bing , HE Yong, WU Min , SHE Jinhua, SHE Jinhua
	Electrics, Communication and Autocontrol Technology 21 January 2017
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	Abstract:The integral inequality technique is an effective method to establishdelay-dependent stability conditions, and a variety of integral inequalities havebeen developed to reduce conservatism of the conditions.Among them, a free-matrix-based integral inequality was devised by introducing some auxiliary functions. It was proved that the stability condition derived using this inequalityis more tighter than others. To reduce computation complexity, this papershows a method to further refine the integral inequality by getting rid of free matrices.The refined integral inequality is used to investigate the stability of time-delay systems,and some less conservative conditions are devised. Numerical examples show that the theoretical boundsand those given by the method are almost the same.
	TO cite this article:ZENG Hong-Bing , HE Yong, WU Min , et al. Further Results on Stability Analysisfor Systems with Time-Delay via a Refined Integral Inequality[OL].[21 January 2017] http://en.paper.edu.cn/en_releasepaper/content/4717995


	5. Experimental Research of Vehicle-Platoon Coordination Control Based on TORCS Platform
	Xu Zhixiang,Jiang Jiemei,Liu Yonggui
	Electrics, Communication and Autocontrol Technology 25 May 2016
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	Abstract:This paper is an experimental research of vehicle-platoon coordination control based on TORCS platform (The Open Racing Vehicle Simulator). First, the experiment platform is established according to research requirements. Then, an a great deal of experiments is taken to find out the practical algorithms of team coordination control. Finally, the combination of PD control algorithm and the algorithm that the parameters of the differentiation element change along with the derivation of distance between two vehicles is the practical algorithm, which is able to control a vehicle platoon successfully.
	TO cite this article:Xu Zhixiang,Jiang Jiemei,Liu Yonggui. Experimental Research of Vehicle-Platoon Coordination Control Based on TORCS Platform[OL].[25 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4692099


	6. Node Selection for Target Tracking in UWSNs Under Node Location Uncertainty
	Zhang Senlin,Liu Shuqin,Zhang Qiang
	Electrics, Communication and Autocontrol Technology 18 May 2016
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	Abstract:Due to the limited energy and bandwidth resources of Underwater Wireless Sensor Networks (UWSNs), only a small part of nodes are allowed to track underwater target at each time step. As far as we know, almost all the existing node selection schemes assume the true locations of nodes are known. However, such assumption is hard to satisfy due to the mobility of the nodes. This paper presents a new node selection scheme which only depends on the estimated locations of nodes rather than the true ones. Firstly, the uncertainty of node's location is approximated the additional measurement noise via the first-order Taylor series expansion. Then, in order to select nodes under node's location uncertainty, the relation between posterior Cramer-Rao lower bound (PCRLB) and estimated locations of nodes is derived. Then, our tracking scheme which consists of multi-sensor particle filter (PF) and the new node selection scheme is designed to track the underwater target under the uncertainty of node's location. Finally, a simulation is presented to illustrate the tracking improvements obtained by estimating target's state using our scheme.
	TO cite this article:Zhang Senlin,Liu Shuqin,Zhang Qiang. Node Selection for Target Tracking in UWSNs Under Node Location Uncertainty[OL].[18 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4689192


	7. Boundary control of an axially moving system with high acceleration/deceleration
	Yu LIU,Zhijia ZHAO
	Electrics, Communication and Autocontrol Technology 22 May 2015
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	Abstract:In this paper, boundary vibration suppression for an axially moving belt with high acceleration/deceleration under the spatially varying tension and unknown disturbances is investigated. To suppress the belt's vibration and avoid control spillover, a nonhomogeneous model of the axially moving system is derived from the extended Hamilton's principle. Based on this infinite-dimensional model, robust control theory is introduced to deal with the effect of boundary disturbance. The stability and uniform boundness of the developed control system are both proved using Lyapunov direct method. Simulation results illustrate the effectiveness of the proposed boundary control method.
	TO cite this article:Yu LIU,Zhijia ZHAO. Boundary control of an axially moving system with high acceleration/deceleration[OL].[22 May 2015] http://en.paper.edu.cn/en_releasepaper/content/4644785


	8. Stability analysis and anti-windup design for multiple time-varying delay systems subject to actuator saturation
	WANG Naizhou,Pei Hailong,ZHANG Cheng
	Electrics, Communication and Autocontrol Technology 12 March 2014
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	Abstract:This paper investigates the characterization of stability regionsfor linear systems with multiple time-varying delays subject to actuator saturations through anti-windup strategies. In particular, the anti-windup synthesis considering both magnitude and rate limitsof time-varying delays is addressed. Using the general sectorcondition and by quadratic Lyapunov functional, the stabilityconditions in linear matrix inequality (LMI) forms are presented.Hence, the estimation of the stability region is maximized bysolving a convex optimization problem. At the end of the paper,numerical examples are shown to illustrate the effectiveness of theproposed methods and the trade-off between the size of the magnitudeand rate limits of time-varying delays and the stability regions.
	TO cite this article:WANG Naizhou,Pei Hailong,ZHANG Cheng. Stability analysis and anti-windup design for multiple time-varying delay systems subject to actuator saturation[OL].[12 March 2014] http://en.paper.edu.cn/en_releasepaper/content/4589059


	9. Action Selection for Active and Cooperative Global Action Selection based on Localizability Estimation forMulti-robot Global Localization
	Liu Zhe,Chen Weidong,Wang Jingchuan
	Electrics, Communication and Autocontrol Technology 08 October 2013
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	Abstract:In this paper we investigate the action selection problem for multiple mobile robots active and cooperative global localization in large environments. Firstly, an off-line localizability estimation approach using known probabilistic grid map (PGM) is briefly proposed and a localizability matrix is presented to describe properties of expected localization probability distribution. Based on the proposed localizability matrix, a novel on-line action selection mechanism is further presented which enables multiple mobile robots to actively collaborate with each other and select complementary actions with redundant information exclusion. This action selection mechanism brings lowest expected localization covariance in each localization cycle and can accelerate the converging speed. Efficiency in time complexity also ensures that the proposed method could be used in real applications. The appropriateness of our approach is demonstrated through simulations and real experiments.
	TO cite this article:Liu Zhe,Chen Weidong,Wang Jingchuan. Action Selection for Active and Cooperative Global Action Selection based on Localizability Estimation forMulti-robot Global Localization[OL].[ 8 October 2013] http://en.paper.edu.cn/en_releasepaper/content/4563143


	10. Objective Grey Prediction Filtering Algorithm Based on Combined Model
	Yang Pu,Ni Jiangfan
	Electrics, Communication and Autocontrol Technology 16 July 2013
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	Abstract:Aiming at the problems of delay and uncertain disturbance of the target miss distance signal of optical tracking system, put forward an objective grey prediction filtering algorithm based on combined model. According to gray forecast theory, establish the grey forecasting model of the target signal directly, based on the analysis of traditional GM (1,1) model, we has improved it, and combine with time-series method to establish residual error model of objective grey prediction, so as to constitute combined model, improve the target prediction accuracy effectively. Finally, by experiment about comparing the simulated target and actual target, we concluded that target prediction filtering method we proposed is feasible and effective.
	TO cite this article:Yang Pu,Ni Jiangfan. Objective Grey Prediction Filtering Algorithm Based on Combined Model[OL].[16 July 2013] http://en.paper.edu.cn/en_releasepaper/content/4551339

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