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Modelling and optimisation of train electric drive system based on fuzzy predictive control in urban rail transit

International Journal of Simulation and Process Modelling 2016年第5期11卷 363-373页

作者： Huang, Yeran Cao, Fang Ke, Bwo-Ren Tang, Tao State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University Beijing Laboratory of Urban Mass Transit Beijing Key Laboratory of Urban Mass Transit Automation and Control China Department of Electrical Engineering National Penghu University of Science and Technology Penghu880 Taiwan

This paper establishes an elaborate model of train electric drive system to simulate the train operation process. The transmission loss and train length are taken into account when calculating voltage of contact line and resistance force with equivalent slope. Considering the influence of voltage and slope variation on control performance, we propose original model original control with fixed voltage (OMOC-FV) and original model original control with slope (OMOC-S) to compare with the most commonly used PI control method, i.e., modified model original control (MMOC). Moreover, focusing on variable parameters and complex dynamics of induction motor, a fuzzy predictive control method, called modified model modified control (MMMC), is proposed to track the target speed profile accurately and to achieve the voltage stability. The effectiveness of elaborate model and the performance of MMMC are evaluated based on the data of Beijing Yizhuang line. © 2016 Inderscience Enterprises Ltd.

关键词： Induction motors

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Fully autonomous flying: from collective motion in bird flocks to unmanned aerial vehicle autonomous swarms

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Science China Chemistry 2015年第12期58卷 207-209页

作者： QIU HuaXin WEI Chen DOU Rui ZHOU ZiWei Science and Technology on Aircraft Control Laboratory School of Automation Science and Electrical EngineeringBeihang University

1 Introduction The unmanned aerial vehicle （UAV）, an aircraft with no pilots on board, appeals to widespread appli- cations in military and civil fields [1]. In complex and dynamic mission environments, a single UAV will suffer from fatal drawbacks, such as the limitation in sensing range, computing capacity, and weapon pow- er. Therefore, the usage of UAV autonomous swarms for mission implementation will be a better choice for the dilemma single UAVs plunge in, which requires the capacity of precise real-time perception of emergency, autonomous decision making, and mission re-planning, based on pre-programmed flight plan or more complex dynamic automation system instead of remote control from ground control stations.

关键词：无人飞行器集体运动自主飞行自主性鸟

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An efficient latent variable optimization approach with stochastic constraints for complex industrial process

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Chinese Journal of Chemical engineering 2015年第10期23卷 1670-1678页

作者：费正顺刘康玲胡斌梁军 School of Automation and Electrical Engineering Zhejiang University of Science and Technology State Key Lab of Industrial Control Technology Institute of Industrial Control Technology Department of Control Science and Engineering Zhejiang University Department of Electrical Engineering University of Notre Dame

For complex chemical processes,process optimization is usually performed on causal models from first principle *** the mechanism models cannot be obtained easily,restricted model built by process data is used for dynamic process optimization.A new strategy is proposed for complex process optimization,in which latent variables are used as decision variables and statistics is used to describe *** the constraint condition will be more complex by projecting the original variable to latent space,Hotelling T^2 statistics is introduced for constraint formulation in latent *** this way,the constraint is simplified when the optimization is solved in low-dimensional space of latent *** validity of the methodology is illustrated in pH-level optimal control process and practical polypropylene grade transition process.

关键词： Data-driven model Optimization Partial least square Polymerization

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Sliding-mode control of permanent magnetic spherical motor based on co-simulation platform

Sliding-mode control of permanent magnetic spherical motor b...

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IEEE Conference on Industrial Electronics and Applications (ICIEA)

作者： Yuan Zhao Shen Li Lijuan Zhao Xiwen Guo Qunjing Wang Yan Wen School of Electrical Engineering and Automation Anhui University Hefei China National Engineering Laboratory of Energy-Saving Motor & Control Technique Anhui University Hefei China Collaborative Innovation Center of Industrial Energy-Saving and Power Quality Control Anhui University Hefei China Engineering Research Center of Power Quality Ministry of Education Anhui University Hefei China

ISBN: (纸本)9781467386456

In order to combine the model-based control algorithm with the physical model, this paper proposed a co-simulation system of permanent magnetic spherical motor (PMSM). Firstly, a new track planning was simulated in ADAMS for the convenience of trajectory tracking. Secondly, a new co-simulation interface was presented, thus the model-based control algorithm can be used to control the physical model generated in ADAMS. Finally, sliding-mode control algorithm was realized based on the co-simulation platform, and the simulation results show that the model-based control algorithm and physical model can combine well based on the above interface.

关键词： Solid modeling Mathematical model Permanent magnet motors Sliding mode control Torque Synchronous motors Industrial electronics

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A multi-label classification approach for the detection of broken bars and mixed eccentricity faults using the start-up transient

A multi-label classification approach for the detection of b...

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IEEE International Conference on Industrial Informatics (INDIN)

作者： George Georgoulas Vicente Climente-Alarcon Jose A. Antonino-Daviu Chrysostomos D. Stylios Antero Arkkio George Nikolakopoulos Control Engineering Group University of Technology Luleå Sweden Department of Electrical Engineering and Automation Aalto University Aalto Finland Instituto Tecnologico de la Energia Universitat Politècnica de València Valencia Spain Department of Computer Engineering Laboratory of Knowledge and Intelligent Computing Kostakioi Greece

ISBN: (纸本)9781509028719

In this article a data driven approach for the classification of simultaneously occurring faults in an induction motor is presented. The problem is treated as a multi-label classification problem with each label corresponding to one specific fault, using the power-set approach. The faulty conditions examined, include the existence of a broken bar fault and the presence of mixed eccentricity with various degrees of static and dynamic eccentricity. For the feature extraction stage, the time-frequency representation, resulting from the application of the short time Fourier transform of the start-up current is exploited. The proposed approach is validated using simulation data with promising results.

关键词： Bars Time-frequency analysis Induction motors Transient analysis Principal component analysis Fault diagnosis Classification algorithms

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Characteristics analysis of wind farms for participating frequency regulation in Jilin power grid

Characteristics analysis of wind farms for participating fre...

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International Conference on Estimation, Detection and Information Fusion, ICEDIF 2015

作者： Xunwen, Su Haiming, Song Yunbo, Liu Dianguo, Xu School of Electrical Engineering and Automation Harbin Institute of Technology HIT Harbin China School of Electrical and Control Engineering Heilongjiang University of Science and Technology USTH Harbin China

ISBN: (纸本)9781479964178

This paper presents the characteristics analysis of wind farm to the participation of power grid frequency regulation. Wind farm is built by equivalent modeling method, and contains full-converter wind turbine generators (WTG) with Wind Turbine of Direct-Drive Permanent Magnet Synchronous Generator (DDPMSG). At first, model and control strategy of WTG with PMSG is introduced. Then single-machine equivalent model is elaborated. The control model of WTG with PMSG is built to reflect frequency adjustment. Combined with Jilin power grid data, wind farms are built on software of DIgSILENT/Power Factory platform. Output Characteristic of wind farm is analyzed under load shedding. Results show that control technology of the DDPMSG is suitable for contribution to grid frequency response. © 2015 IEEE.

关键词： Wind Turbine Generators

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Dual-Tone Radio Interferometric Positioning Systems for Multi-Target Localization Using a Single Mobile Anchor

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China Communications 2015年第1期12卷 25-35页

作者： LI Li'an WANG Yiyin MA Xiaoli CHEN Cailian GUAN Xinping Department of Automation Shanghai Jiao Tong Universityand Key Laboratory of System Control and Information ProcessingMinistry of Education of China School of Electrical & Computer Engineering Georgia Institute of Technology

In this paper, a low-cost dualtone radio interferometric positioning system using a single mobile anchor is proposed to locate multiple targets at the same time. We name it mDRIPS. In mDRIPS, each target continuously transmits a dual-tone signal with its dedicated frequencies, and the mobile anchor receives the signals at different positions along its trajectory, Neither time synchronization between the mobile anchor and the targets nor time synchronization among the targets is required. We take the instability of targets clocks into consideration and develop an ESPRIT-type algorithm to estimate frequencies of each dual-tone signal. Furthermore, the time of arrival （TOA） of each target signal is extracted from the phase estimates of the received dual-tone signals. After measuring several TOAs at different locations along the anchor＇s trajectory, each target can be located. Since the frequency difference of the two tones of each dualtone signal is designed to be smaller than the channel coherence bandwidth, the same fading effect on these two tones can be eliminated. Moreover, the integer ambiguity problem due to phase wrapping is investigated, and a localization algorithm to deal with a simplified ambiguity problem is proposed. Numerical results demonstrate the efficiency of the proposed mDRIPS.

关键词： ranging localization mobile anchor radio interferometry oscillator instability

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Comparison between the two equivalent methods of collector system for wind farms

Comparison between the two equivalent methods of collector s...

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International Conference on Estimation, Detection and Information Fusion, ICEDIF 2015

作者： Xunwen, Su Yunbo, Liu Haiming, Song Dianguo, Xu School of Electrical Engineering and Automation Harbin Institute of Technology HIT Harbin China School of Electrical and Control Engineering Heilongjiang University of Science and Technology USTH Harbin China

ISBN: (纸本)9781479964178

Aggregation modelling of wind farm includes equivalence of wind turbines and simplification of the collector system. Collector network is a significant part of the wind farm. Equivalent method of collector system is very important to the quality and the effectiveness of equivalent model for wind farms. As such, two different equivalent methods of collector system are studied. They are voltage-based method and power consumption-based method. Two equivalent models are built using the above methods. A comparative analysis of the two methods is carried out by comparing with detailed model of wind farm. The simulation results show that voltage-based method is better than power consumption-based method. © 2015 IEEE.

关键词： Electric power utilization

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Multiple Unmanned Aerial Vehicle Autonomous Formation via Wolf Packs Mechanism

Multiple Unmanned Aerial Vehicle Autonomous Formation via Wo...

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2016 IEEE/CSAA International Conference on Aircraft Utility Systems(AUS)

作者： Haohan Chen Haibin Duan Beihang University(BUAA) IEEE Bio-inspired Autonomous Flight Systems(BAFS) Research Group Science and Technology on Aircraft Control LaboratorySchool of Automation Science and Electrical EngineeringBeihang University(BUAA)

The unmanned aerial vehicle(UAV) formation flight is similar with the social behavior of biological *** by the similarity,a method of autonomous formation control based on the mechanism of wolf packs is ***,a multi-UAVs controller based on potential field method is ***,a model of the wolf packs hierarchy model by imitate the behavior of wolf pack is *** topological structure and leadership in wolf packs is modelled by using digraph theory,***,the bionic mechanism of multiple unmanned aerial vehicle autonomous formation is analysed,and a formation keeping controller based on wolf packs mechanism is *** core of the controller is the model of the wolf packs hierarchy *** model includes two assistant parts:the control instruction solver and the state ***,we give a series of simulation results to show that the UAVs can form an expected flight formation with the designed controller,and keep the formation under serious conditions of complex leader motion.

关键词： UAV Multiple Unmanned Aerial Vehicle Autonomous Formation via Wolf Packs Mechanism

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Observer-based fault diagnosis incorporating adaptive sliding mode control for spacecraft attitude stabilization 34

Observer-based fault diagnosis incorporating adaptive slidin...

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34th Chinese control Conference, CCC 2015

作者： Ma, Guangfu Li, Bo Yu, Yanbo Qinglei, Hu Department of Control Science and Engineering Harbin Institute of Technology Harbin China School of Automation Science and Electrical Engineering Beihang University Beijing China

ISBN: (纸本)9789881563897

This paper addresses the problem of active fault tolerant control of spacecraft attitude stabilization in the presence of actuator failures, actuator saturation, and external disturbances simultaneously. As a stepping stone, an observer-based fault diagnosis mechanism is presented to reconstruct/estimate the actuator faults through iterative leaning method. Then, with the reconstructed information, an adaptive robust sliding mode fault tolerant control law is developed to ensure the closed-loop attitude control system will reach the real sliding mode surface in finite time, while the singularity and chattering problems have been avoided/restrained via a saturation function and a modified gain adjusting law. The associated stability proof is constructive and accomplished by the development of a novel Lyapunov function candidate. The key feature of the proposed strategies is that the closed-loop system can be guaranteed bounded stable even in the face of actuators' constraints and failures within finite time theoretically. Numerical simulation results are presented to illustrate the performance of the proposed schemes. © 2015 Technical Committee on control Theory, Chinese Association of automation.

关键词： adaptive sliding mode control Attitude stabilization fault tolerant control spacecraft

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