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IEEE International Conference on control System, Computing and engineering (ICCSCE)

作者： Norhaslinda Hasim Mohd Shahrieel Mohd Aras Mohd Zamzuri Ab Rashid Anuar Mohamed Kassim Shahrum Shah Abdullah Department of Control and Automation Faculty of Electrical Engineering Universiti Teknikal Malaysia Melaka Durian Tunggal Malacca Malaysia Department of Mechatronics Faculty of Electrical Engineering Universiti Teknikal Malaysia Melaka Durian Tunggal Malacca Malaysia Department of Electric and Electronics Malaysia-Japan International Institute of Technology Universiti Teknologi Malaysia Kuala Lumpur Malaysia

In this paper, the development of a water bath temperature system to control the liquid's temperature in the water bath will be presented. In order to develop the water bath temperature control system, MATLAB fuzzy logic toolbox will be utilized. The Fuzzy Logic controller (FLC) is designed to control water temperature based on the input acquired from the thermal transducer sensor. The inference engines that are used are; Max-min (Mamdani) method and centre of gravity technique for defuzzification. The 4 × 4 matrix rules for the controller will be used in this project. In addition, the USB NI-DAQ card will be used as xPC target to link the MATLAB software and real time application. The real time output temperature is validated based on the simulation's temperature which is initially set by user. It can be concluded the performance of real time study is in par with the simulation result.

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Fuzzy gain scheduling PI controller for a mechatronic system

Fuzzy gain scheduling PI controller for a mechatronic system

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Proceedings of the Biannual World automation Congress

作者： Luis F. Cerecero-Natale Julio C. Ramos Fernández Luis E. Ramos-Velasco Victor E. Pedraza Vera Mechatronics Engineering Laboratorio de Investigación en Robótica y Electrónica Avanzada Universidad Politécnica de Pachuca Hidalgo Mexico Automation and Control Engineering Centro de Investigación en Tecnologías de la Información y Sistemas Universidad Autnoma del Estado de Hidalgo Mexico

This paper presents the integration results of the EMC2 software, mechatronic prototype and fuzzy PI controller. The structure of fuzzy controller has two-inputs, two-outputs (TITO) system where the error and derivative error are the inputs while the proportional and integral gains are the outputs. The fuzzy sets for each input are five Gaussian membership functions, the product fuzzy logic AND operator and the centroid defuzzifier are used to gain scheduling PI. The experimental results of the closed-loop system show the viability and effectiveness of the control position strategy. This mechatronic system is widely used in metal-mechanical industry.

关键词： Microcontrollers DC motors Fuzzy logic Pulse width modulation mechatronics Permanent magnet motors Laboratories

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H2 /H∞ control of networked control system with random time delays

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Science China(Information Sciences) 2011年第12期54卷 2635-2650页

作者： QIU Li 1,2 , XU BuGong 1 & LI ShanBin 1 1 College of automation Science and engineering, South China University of Technology, Guangzhou 510640, China 2 College of mechatronics and control engineering, Shenzhen University, Shenzhen 518060, China 1. College of Automation Science and Engineering South China University of Technology Guangzhou 510640 China2. College of Mechatronics and Control Engineering Shenzhen University Shenzhen 518060 China

This paper investigates the H 2 /H ∞ control problem for a class of discrete-time networked control systems with random communication time delays. Both sensor-to-controller (S-C) and controller-to-actuator (C-A) random network-induced delays are considered. Two independent Markov chains are used to model the S-C and C-A random delays. The resulting closed-loop system is a jump linear time-delay system induced by two Markov chains. Sufficient conditions for existence of H 2 /H ∞ controller are established by free-weighting matrix and stochastic Lyapunov functions. A simulation example illustrates the effectiveness of the proposed method.

关键词： H 2 /H ∞ control networked control systems Markov chains random time delays

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Development of embroidery machine vector control speed regulation system based on DSP

Development of embroidery machine vector control speed regul...

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International Conference on Power Electronics Systems and Applications

作者： Li, Yong-Yang Cao, Guang-Zhong Qiu, Hong Pan, J.F. Yang, Chong-Chong Institute of Automation Shenzhen University Shenzhen 518060 China College of Mechatronics and Control Engineering Shenzhen University Shenzhen 518060 China

ISBN: (纸本)9781457702051

Based on the rotor field oriented control principle and space vector PWM technology, a vector control speed regulation algorithm applied to embroidery machines is developed based on DSP. Combined with the theoretical analysis, a kind of Anti-Windup PI controller is adopted based on output feedback calculations, and a discrete simulation model of the vector control speed regulation system is built on Matlab/Simulink platform. After the completion of the system hardware design, the entire control system software design and programming are completed based on the TMS320F2801 fixed-point DSP. Results of simulation and experiments show that the designed system meets the needs of a practical application in spindle actuator of the embroidery machine. © 2011 IEEE.

关键词： Simulink

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Adaptive and repetitive controller for robotic manipulators with slowly updating scheme using B-spline shape function

Adaptive and repetitive controller for robotic manipulators ...

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2011 IEEE International Conference on Robotics and Biomimetics, ROBIO 2011

作者： Rakprayoon, Pannatee Sanposh, Peerayot Chayopitak, Nattapon Intelligent Mechatronics Automation Robotics and Control Laboratory Department of Electrical Engineering Kasetsart University Bangkok 10903 Thailand Industrial Control and Automation Laboratory National Electronics and Computer Technology Center Pathumthani 12120 Thailand

ISBN: (纸本)9781457721373

This paper studies the real-time adaptive and repetitive control problem using the Desired Compensation Learning Law (DCLL) that has the advantage of robustness under the presence of unknown parameters with low memory requirement. The control structure of DCLL consists of a feedforward compensator that is designed by a linear combination of shape functions that is adaptable to parameter variations;hence the selection of appropriate shape functions plays an important role in the adaptive ability and accuracy of DCLL. In this study, the B-spline shape function is proposed to be used under the slowly updating scheme and the obtained results show that the robustness and accuracy of the tracking can be greatly improved even under payload variation and torque limits. © 2011 IEEE.

关键词： Interpolation

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Improved integral fuzzy sliding mode control for a class of nonlinear uncertain systems

Improved integral fuzzy sliding mode control for a class of ...

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作者： Li, Wen-Qiang Li, Peng Li, Lian Zhang, Yi Department of Control Engineering Naval Aeronautical and Astronautical University Yantai 264001 China College of Mechatronics Engineering and Automation National University of Defense Technology Changsha 410073 China

ISBN: (纸本)9789881725592

For the conventional sliding mode control of a class of nonlinear uncertain systems, the ranges of sliding mode error and steady-state error are deduced. In order to reduce the steady-state error while anti-windup, an improved integral sliding surface is designed, and an improved integral fuzzy sliding mode control approach is proposed based on this sliding surface. In this approach, the integral action is reduced through adjust factor when the sliding variable outside the boundary layer. Then, the large overshoots due to the large initial errors can be avoided. When sliding variable inside the boundary layer, the integral action is conventional in order to reduce the steady-state error. The adjust factor is automatically tuned by real time fuzzy inference. Finally, an inverted pendulum control is used to illustrate the effectiveness and robustness of the proposed approach. © 2011 Chinese Assoc of automation.

关键词： Boundary layers

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Feasibility and soft constraint of steady state target calculation layer in LP-MPC and QP-MPC cascade control systems

Feasibility and soft constraint of steady state target calcu...

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作者： Zou, T. Li, H.Q. Zhang, X.X. Gu, Y. Su, H.Y. College of Information Engineering Zhejiang University of Technology China School of Mechatronics Engineering and Automation Shanghai University Shanghai 200444 China State Key Laboratory of Industrial Control Technology Zhejiang University China

This paper mainly focus on the feasibility and soft constraint of steady state target calculation, which is one of inherent problem of predictive control. By using two-stage method, the state target calculation can be solved effectively. To guarantee the existence of feasibility domain, weighting and priority policies are presented to determine the feasibility and adjust soft constraints. Simulation results validate the effectiveness of the proposed approach © 2011 Zhejiang University.

关键词： Cascade control systems

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Development of embroidery machine vector control speed regulation system based on DSP

Development of embroidery machine vector control speed regul...

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International Conference on Power Electronics Systems and Applications (ICPESA)

作者： Yong-yang Li Guang-zhong Cao Hong Qiu J. F. Pan Chong-chong Yang Institute of Automation College of Mechatronics and Control Engineering Shenzhen University Shenzhen China

关键词： Rotors Induction motors Machine vector control Stators Digital signal processing Torque control systems

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Hybrid position, posture, force and moment control with impedance characteristics for robot manipulators

Hybrid position, posture, force and moment control with impe...

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2011 IEEE International Conference on mechatronics and automation, ICMA 2011

作者： Yao, Yu Huang, Qingjiu Peng, Yan Oiwa, Taishi Institute of Robotic Science and Engineering Nanjing University of Technology 5 Xinmofan Rd Nanjing 210009 China Department of Mechanical and Control Engineering Tokyo Institute of Technology 2-12-1-I3-11 Ookayama Meguro-ku Tokyo 152-8552 Japan School of Mechatronics Engineering and Automation Shanghai University Shanghai 200072 China

ISBN: (纸本)9781424481149

There are more and more needs for surface contact works, such as polish, grinding, paint, inspection, etc., with robot manipulators in recent years. In this paper, to achieve high-speed and high-precision surface contact work by robot manipulator, we propose a separation method of posture components to solve the problem of the rotation order, and a method of introducing the impedance characteristics to hybrid position, posture, force and moment control to eliminate the interference between free space and constrained space. Furthermore, the effectiveness of our control method for surface contact work was verified by the dynamic simulation of character-erasing motion on the white board of 6-DOF robot manipulator. © 2011 IEEE.

关键词： Robot applications

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Erratum to “Machine tool feed drives” [CIRP Ann. Manuf. Technol. 60 (2011) 779–796]

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CIRP Annals 2012年第2期61卷 837-837页

作者： Y. Altintas A. Verl C. Brecher L. Uriarte G. Pritschow Manufacturing Automation Laboratory University of British Columbia Vancouver Canada Institute for Control Engineering of Machine Tools and Manufacturing Units (ISW) Stuttgart Germany Machine Tool Laboratory (WZL) University of Aachen Germany Mechatronics Dept. – Tekniker-IK4 Eibar Basque Country Spain

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