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Design of second order sliding mode and sliding mode Algorithms:A Practical Insight to DC-DC Buck Converter

IEEE/CAA Journal of Automatica Sinica 2017年第3期4卷 483-497页

作者： Seyed Mehdi RakhtAla Monazzahalsadat Yasoubi Hassan HosseinNia Department of Electrical Engineering Golestan University Department of Electrical and Computer Engineering Concordia University Department of Precision and Microsystem Engineering Delft University of Technology

This paper presents a simple and systematic approach to design second order sliding mode controller for buck *** second order sliding mode control(SOSMC)based on twisting algorithm has been implemented to control buck switch mode *** idea behind this strategy is to suppress chattering and maintain robustness and finite time convergence properties of the output voltage error to the equilibrium point under the load variations and parametric *** addition,the influence of the twisting algorithm on the performance of closed-loop system is investigated and compared with other algorithms of first order sliding mode control such as adaptive sliding mode control(ASMC),nonsingular terminal sliding mode control(NTSMC).In comparative evaluation,the transient response of the output voltage with the step change in the load and the start-up response of the output voltage with the step change in the input voltage of buck converter were *** results were obtained from a hardware setup constructed in ***,for all of the surveyed control methods,the theoretical considerations,numerical simulations,and experimental measurements from a laboratory prototype are compared for different operating *** is shown that the proposed twisting method presents an improvement in steady state error and settling time of output voltage during load changes.

关键词： DC-DC buck converter non-singular-terminal sliding mode second order sliding mode twisting algorithm

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维普期刊数据库

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Target Tracking Algorithm Using Finite-time Convergence Smooth second-order sliding mode Controller for Mobile Robots

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Chinese Journal of Mechanical Engineering 2011年第3期24卷 414-419页

作者： GE Lianzheng ZHAO Lijun GAO Tong State Key Laboratory of Robotics Technique and System Harbin Institute of Technology Harbin 150001 China

Target tracking control for wheeled mobile robot （WMR） need resolve the problems of kinematics model and tracking ***-order sliding mode control is a valid method used in the nonlinear tracking control system,which can eliminate the chattering of sliding mode *** there lacks the research of robustness and uncertain factors for high-order sliding mode *** address the fast convergence and robustness problems of tracking target,the tracking mathematical model of WMR and the target is *** on the finite-time convergence theory and second order sliding mode method,a nonlinear tracking algorithm is designed which guarantees that WMR can catch the target in finite *** the same time an observer is applied to substitute the uncertain acceleration of the target,then a smooth nonlinear tracking algorithm is *** on Lyapunov stability theory and finite-time convergence,a finite time convergent smooth second order sliding mode controller and a target tracking algorithm are designed by using second order sliding mode *** simulation results verified that WMR can catch up the target quickly and reduce the control discontinuity of the velocity of WMR.

关键词： mobile robots second order sliding mode finite-time convergence observer

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维普期刊数据库

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Research on Consensus Problems with second-order sliding mode Algorithm in Multi-agent Systems

Research on Consensus Problems with Second-Order Sliding Mod...

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第30届中国控制与决策会议

作者： Xiaofang Zhang Niaona Zhang Xuanxuan Bao Changchun University of Technology Electronic and Electrical Engineering Institute

For a class of second order linear dynamic multiagent systems with leader and bounded input disturbance, a multi-agent system model is established by graph theory and matrix theory knowledge. A second-order sliding mode control algorithm based on finite state structure is applied to mult-iagent system. Under the condition that the first derivative of sliding mode is unknown, the control output is generated by switching between multiple state machines according to the measured value of sliding mode, so that the sliding mode and its first derivative converge to zero in a finite time, and to achieve the goal that the multi-agent system can be consistent for a limited period of *** algorithm weakens the chattering problem in the traditional sliding mode control, and improves the accuracy and robustness of the control system. The effectiveness of the algorithm is proved by simulation experiments.

关键词： Multi-agent Systems Finite-time consensus second order sliding mode Robustness

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One State-unmeasured Missile Control System Design

One State-unmeasured Missile Control System Design

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2009中国控制与决策会议

作者： Chen Jie~1,Wu Jinhua~1,Pan Changpeng~2 1.Department of Control Engineering,Naval Aeronautical and Astronautical University,Yantai,264001,China 2.Department of Command,Naval Aeronautical and Astronautical University,Yantai,264001,China

The pitch channel output tracking of a kind of supersonic cruise missile over-load control system was designed based on second order sliding mode control ***-redefinition approach was adopted to resolve the non-minimum phase problem between rudder angle and overload output of STT missile system,second order sliding mode control was used to eliminate chatter,and guaranteed the tracing of original system *** observer was designed to deal with the not complete state measurable *** stability and robustness were verified by the simulations results.

关键词： Observer Non-minimum phase Zero dynamic Output-redefinition second order sliding mode

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