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9th IFAC Symposium on Nonlinear control systems, NOLCOS 2013

作者： Magyar, Attila Hangos, Katalin M. Department of Electrical Engineering and Information Systems University of Pannonia Veszprem Hungary Process Control Research Group Computer and Automation Research Institute HAS Budapest Hungary

ISBN: (纸本)9783902823472

The aim of this work is to present an entropy-like Lyapunov function based dynamic feedback design technique for quasi-polynomial and Lotka-Volterra systems. It is shown, that the dynamic feedback design problem is equivalent to the feasibility of a bilinear matrix inequality. The problem is also formulated as a control Lyapunov function based feedback design when the Lyapunov function parameters are given, the solution of this problem can be obtained by solving a linear matrix inequality. The developed method is illustrated on a simple numerical example. © IFAC.

关键词： Design

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Synchronization of heterogeneous leader-follower multi-agent system with external disturbances

Synchronization of heterogeneous leader-follower multi-agent...

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4th IFAC Workshop on Distributed Estimation and control in Networked systems, NecSys 2013

作者： Liu, Yang Lunze, Jan Seventh Research Division Department of Systems and Control Beihang University Beijing 100191 China Institute of Automation and Computer Control Ruhr-Universität Bochum 44801 Bochum Germany

ISBN: (纸本)9783902823557

The output synchronization problem is investigated for multiple linear agents with external disturbances that are guided by a leader with different dynamics. A method is presented for designing a networked controller that synchronizes the agents to the heterogeneous leader. First, a general dynamic controller with two inputs is proposed that introduces the model of the leader as an internal reference model into the control loop of all following agents. Second, the two inputs to the local controllers of the followers are designed by H∞ control theory such that the resulting closed-loop system achieves the output synchronization with a desired disturbance attenuation performance. The proposed method is applied to the leader-follower synchronization of vehicles in a platoon. Copyright © 2013 IFAC.

关键词： Multi agent systems

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Reliable Guaranteed-Cost control for a Class of Nonlinear Stochastic systems with Fading Performance Output

Reliable Guaranteed-Cost Control for a Class of Nonlinear St...

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第三十二届中国控制会议

作者： HU Jun WANG Zidong SHEN Bo He Xiao Research Institute of Intelligent Control and Systems Harbin Institute of Technology Department of Automation Tsinghua University Department of Information Systems and Computing Brunel University School of Information Science and Technology Donghua University

ISBN: (纸本)9781479900305

This paper is concerned with the reliable guaranteed-cost control problem for a class of discrete nonlinear stochastic systems with actuator failures and fading performance *** stochastic nonlinearities described by statistical means could cover several types of well-studied stochastic ***,the phenomenon of fading performance output occurs in a random way and the fading probability is governed by a random variable satisfying a certain probability distribution with known conditional *** main purpose of this paper is to design a reliable controller,over a given finite-horizon,such that the optimized upper bound to the pre-deflned performance index is guaranteed for the addressed systems in the presence of actuator failures,stochastic nonlinearities and fading performance ***,a numerical example is given to illustrate the effectiveness of the proposed control scheme.

关键词： Guaranteed-cost control Reliable control Fading performance output Time-varying systems Stochastic nonlinearities

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Development of a vehicle simulator based on a real car for research and education purposes

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34th FISITA World Automotive Congress

作者： Szalay, Zsolt Gáspár, Péter Kánya, Zoltán Nagy, Dávid Department of Automobiles Budapest University of Technology and Economics Budapest Hungary Systems and Control Laboratory Computer and Automation Research Institute Budapest Hungary Inventure Automotive Electronics RandD Budapest Hungary

ISBN: (纸本)9783642337376

The chapter presents a hardware-in-the-loop simulation environment, which is built in such a way that the simulator tends to the real vehicle functions as much as possible. The simulation system contains several components such as an Human Machine Interface (HMI), a high-accuracy validated simulation software operated on a PC and a visual systemwith real-time graphics. The simulator is equally suitable for educational and research purposes. All the vehicle engineer students use the simulator system during their curriculum, enabling the thorough understanding of modern vehicle functions, thus improving the competence of future generations of engineers. Moreover, the simulator system projects ahead the opportunity of new vehicle research that induces considerable additional scientific results. © Springer-Verlag 2013.

关键词： Automobile drivers

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Enhancement of driver speed based on multi-criteria optimization

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Periodica Polytechnica Transportation Engineering 2013年第1期41卷 71-76页

作者： Mihály, András Németh, Balázs Gáspár, Péter Department of Control for Transportation and Vehicle Systems Budapest University of Technology and Economics Stoczek u. 2. H-1111 Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Sciences Kende u. 13-17. H-1111 Budapest Hungary

The paper focuses on the design of an adaptive cruise control system which follows the behavior of the driver besides the optimization of longitudinal energy and fuel consumption. By using road information about the future characteristics of the road, e.g. oncoming speed limits or road slopes, it is possible to modify the speed during the journey in advance. The aim is to enhance the comfort of the driver and the passengers by adopting the natural behavior of the driver in the speed selection process and at the same time road information is taken into consideration. The driver behavior is captured using a longitudinal driver model. The main novelty of the paper is the incorporation of the driver behavior in the look-ahead control algorithm. It is demonstrated in real data simulation that with the proposed method a significant amount of fuel can be saved while the speed profile is closer to that of the human driver.

关键词： Speed

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Reliable guaranteed-cost control for a class of nonlinear stochastic systems with fading performance output

Reliable guaranteed-cost control for a class of nonlinear st...

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32nd Chinese control Conference, CCC 2013

作者： Hu, Jun Wang, Zidong Shen, Bo Xiao, He Research Institute of Intelligent Control and Systems Harbin Institute of Technology Harbin 150001 China Department of Automation Tsinghua University Beijing 100084 China School of Information Science and Technology Donghua University Shanghai 200051 China

ISBN: (纸本)9789881563835

This paper is concerned with the reliable guaranteed-cost control problem for a class of discrete nonlinear stochastic systems with actuator failures and fading performance output. The stochastic nonlinearities described by statistical means could cover several types of well-studied stochastic nonlinearities. Moreover, the phenomenon of fading performance output occurs in a random way and the fading probability is governed by a random variable satisfying a certain probability distribution with known conditional probability. The main purpose of this paper is to design a reliable controller, over a given finite-horizon, such that the optimized upper bound to the pre-defined performance index is guaranteed for the addressed systems in the presence of actuator failures, stochastic nonlinearities and fading performance output. Finally, a numerical example is given to illustrate the effectiveness of the proposed control scheme. © 2013 TCCT, CAA.

关键词： Probability distributions

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Setpoints Compensation in Industrial Processes via Multirate Output Feedback control

Setpoints Compensation in Industrial Processes via Multirate...

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9th Asian control Conference (ASCC)

作者： Yin, Shen Liu, Fangzhou Gao, Huijun Qiu, Jianbin Chai, Tianyou Fan, Jialu Karimi, Hamid Reza Research Institute of Intelligent Control and Systems Harbin Institute of Technology Harbin 150080 China State Key Laboratory for Synthetical Automation of Process Industries Northeastern University Shenyang 110004 China Department of Engineering University of Agder Grimstad N-4898 Norway

ISBN: (纸本)9781467357692;9781467357678

This paper investigates the setpoints compensation for a class of complex industrial processes. Plants at the device layer are controlled by the local regulation controllers, and a multirate output feedback control approach for setpoint compensation is proposed such that the subsystems can reach the dynamically changed setpoints and the given economic objective can also be tracked via certain economic performance index (EPI). First, a sampled-data multivariable direct output feedback proportional integral (PI) controller is designed to regulate the performance of the subsystems. Second, the outputs and control inputs of the plants at the device layer are sampled at operation layer sampling time to form an EPI. Thus the multirate problem is solved by a lifting method. Third, static setpoints are generated by real time optimization (RTO) and the dynamic setpoints are calculated by the compensator according to the error between the EPI and objective at each operation layer step. Finally, a rougher flotation process model is employed to demonstrate the effectiveness of the proposed method.

关键词： PI control compensation complex networks control system synthesis feedback multivariable control systems optimisation process control sampled data systems

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Design of optimal cruise control considering road and traffic information

Design of optimal cruise control considering road and traffi...

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5th IFAC Symposium on System Structure and control, SSSC 2013

作者： Németh, Balázs Csikós, Alfred Gáspár, Péter Varga, István Systems and Control Laboratory Computer and Automation Research Institute Hungarian Academy of Sciences Kende u. 13-17 H-1111 Budapest Hungary Department of Control and Transport Automation Budapest University of Technology and Economics Hungary Stoczek u. 2 H-1111 Budapest Hungary

ISBN: (纸本)9783902823250

This paper proposes a design method for cruise control systems via reference speed optimization considering road and traffic information. During the optimization several factors are considered such as road inclinations, intersections, traffic lights, preceding vehicles, speed limits, engine emissions and traveling time. The purpose of speed design is to reduce the longitudinal energy, fuel consumption and engine emissions in such a way that the travel time does not increase significantly. The information package of traffic lights also infuences the design process. The signals from the road and traffic are handled jointly with the dynamic equations of the vehicle and built into the control design of reference speed. A robust control is designed, which is able to take into consideration both disturbances and uncertainties. The method is illustrated through simulation examples. © 2013 IFAC.

关键词： Engines

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Experimental verification of vehicle platoon control algorithms

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Periodica Polytechnica Transportation Engineering 2013年第1期41卷 39-43页

作者： Aradi, Szilárd Rödönyi, Gábor Gáspár, Péter Hankovszki, Zoltán Kovács, Roland Department of Control for Transportation and Vehicle Systems Budapest University of Technology and Economics Stoczek u. 2 H-1111 Budapest Hungary Systems and Control Laboratory Computer and Automation Research Institute Hungarian Academy of Sciences Kende u. 13-17 H-1111 Budapest Hungary Knorr-Bremse R and D Center Major u. 69 H-1119 Budapest Hungary

Organizing a group of vehicles into a vehicle platoon in a way that, except for the leading vehicle, each platoon member can be autonomously driven has been a research goal for decades. Among other benefits this results in a decrease of fuel consumption and also in the driver's workload and an increase in a better use of road capacity. The recent developments in the area of active control systems for vehicles make it possible to realize more and more autonomous functions and the above defined cooperation between vehicles seems to be increasingly feasible. This article aims to point out that today it is possible to reach this goal without vehicle specific software and hardware.

关键词： Vehicles

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EEG correlation analysis under the condition of +Gz accelerations

EEG correlation analysis under the condition of +Gz accelera...

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2nd International Conference on Green Communications and Networks, GCN 2012

作者： Li, Yifeng Zhang, Tao Wang, Bei Deng, Lue Nakamura, Masatoshi Department of Automation School of Information Science and Technology Tsinghua University Beijing 100084 China Air Force Institute of Aeromedicine Beijing 100142 China Department of Automation East China University of Science and Technology Shanghai 200237 China Research Institute of Systems Control Saga University Saga 840-0047 Japan

ISBN: (纸本)9783642354182

In this research, Electroencephalogram (EEG) data under the condition of +Gz accelerations were recorded and its correlation analysis was done. The correlation change feathers were found for different loads through respective correlation analysis including auto-correlation and cross-correlation analysis for 16 derivation EEG data. The results show that, auto-correlation and cross-correlation are gradually decreased with time lag increasing. Correlation diagrams show that the first peak after zero lags appeared as main peak which responses to relatively stronger correlation. The relationship between correlation and different action of +Gz loads from analysis of a lot of EEG data indicates that EEG correlation is greatly affected by G loads. © 2013 Springer-Verlag.

关键词： Electroencephalography

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