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第三十届中国控制会议

作者： MUTOH Yasuhiko HARA Tomohiro Department of Engineering and Applied Sciences Sophia University.Tokyo 102-8554Japan

ISBN: (纸本)9789881725592

＜正＞It is well known that,the pole placement controller can be designing for linear time-varying systems using the Frobenius canonical form,as for the time invariant *** paper presents the new approach to the design of the pole placement controller for linear time-varying discrete multivariable *** concept of the relative degrees of multivariable system plays an important role,and the time-varying feedback gain can be simply calculated without transforming the system into any canonical form,which is regarded as a discrete Ackerman’s *** the pole placement for non-lexicographically fixed systems is considered.

关键词： Linear Time-Varying System Multivariable Discrete System pole placement Non-lexicographically-Fixed

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pole placement and Stabilization of Discrete Systems with Unknown Equilibrium Points

Pole Placement and Stabilization of Discrete Systems with Un...

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第25届中国控制会议

作者： Zhu Jiandong , Tian Yuping School of Mathematics and Computer Science, Nanjing Normal University, Nanjing 210097 Department of Automatic control, Southeast University, Nanjing 210096

＜正＞In this paper, the pole placement and stabilization for a class of single-input uncertain discrete systems with unknown equilibrium points is investigated. The pole-placement capability of recursive delayed feedback control is completely described. The stabilization problem is resolved by the proposed pole placement technique. Two examples show the effectiveness of the proposed method in stabilizing uncertain equilibrium points or equilibrium sets.

关键词： pole placement delayed feedback control unknown equilibrium points

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A pole placement-Based NMPC Algorithm of Constrained Hammerstein Systems

A Pole Placement-Based NMPC Algorithm of Constrained Hammers...

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第二十九届中国控制会议

作者： HE De-Feng1,YU Li1,YANG Guo-Shi2 1.School of Information Engineering,ZheJiang University of Technology,Zhejiang Hangzhou 310032,P.R.China.2.Department of Computer and Information Engineering,Huainan Normal University,Anhui 232001,P.R.China

This paper presents a new nonlinear model predictive control（NMPC）algorithm for Hammerstein systems subject to constraints on the state,input and intermediate *** no account of constraints,a desired linear controller of the intermediate variable is obtained by applying pole placement to the linear ***,actual control actions are determined in consideration of constraints by on-line solving a finite horizon optimal control problem,where only the first control is calculated and others are approximated to reduce the computational ***,the asymptotic stability can be guaranteed in some ***,an example of simulation is used to demonstrate the effectiveness of the proposed algorithm.

关键词： Nonlinear Model Predictive Control Hammerstein Systems pole placement Stability Computational Efficiency

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Design of Autopilot with pole placement and State-Observer Feedback

Design of Autopilot with Pole Placement and State-Observer F...

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2011 IEEE International Conference on Computer Science and Automation Engineering(CSAE 2011)

作者： Wang Lei 1 st School of aerospace engineering Beijing Institute of Technology Beijing China Meng Xiu-yun 2 nd Xia Qun-li 2 nd Guo-Tao 3 thd School of aerospace engineering Beijing Institute of Technology Beijing China

A autopilot designing method with pole placement Method and State-Observer Feedback is *** feedback gain via pole placement is designed by selecting a suitable root of closed-loop transfer *** poles placement method full-order state observer with one or two measurable outputs are designed *** comparing time-domain outputs of the two observers,It is concluded that,observer with two measurable outputs can be more accurate in the observation on the original system state under the condition of guaranteeing Filter characteristics.

关键词： autopilot pole placement state-observer statefeedback

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A Torque Coordination Control Strategy for Wind Turbine Based on pole placement

A Torque Coordination Control Strategy for Wind Turbine Base...

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第37届中国控制会议

作者： Jingchun Chu Ling Yuan Zhenyu Chen Wei Xu Zhongwei Lin Yang Du China Guodian United Power Technology Co.Ltd. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources School of Control and Computer Engineering North China Electric Power University

This paper designs a torque control strategy for the wind turbine generator system(WTGS), which can benefit the conventional pitch control effect coordinately. Due to the characteristic that, the inertia time constant of the torque control loop is quite smaller compared with the pitch control one, further improvement on the pitch control effect can be guaranteed through improving the torque control, which can decrease the pitch operations and reduce fatigue loads. Motivated by this point,through analysing the MIMO linearized WTGS model, the torque control strategy is proposed in forms of state feedback and pole placement in the corresponding sub-state-space model, which also guarantees the stability of the whole system. Furthermore, a PID torque controller is established in order to facilitate this strategy in the practical WTGS control process. Finally, simulation results for a 5 MW wind turbine show the effectiveness of the proposed strategy with two different conventional pitch controllers under the FAST simulator.

关键词： WTGS Variable-Speed & Variable-Pitch(VS-VP) pole placement PID Control Coordination

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Further Results on Guaranteed Dominant pole placement with PID Controllers

Further Results on Guaranteed Dominant Pole Placement with P...

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第三十届中国控制会议

作者： LI Yinya,SHENG Andong,QI Quoqing School of Automation,Nanjing University of Science and Technology,Nanjing 210014,P.R.China

＜正＞In the literature（Journal of Process Control 19（2009）:349-352）,the problem of dominant pole placement with PID controller for a high order or delay system is *** step-by-step systematic design procedures for guaranteed dominant pole placement with PID controller based on root locus and Nyquist plot are proposed,***,we find that,in some cases,the dominance on the transient response of the closed-loop system may degrade since the introduced two closed- loop zeros are close to the pre-selected two dominant poles with the increase of Kp *** handle this problem,the desired region of which all the closed-loop poles lie in except the pre-selected dominant poles is redefined and a special pre-filter is recommended to use at the ***,two alternative dominant poles with critical damping ratio are selected and the corresponding design formulae of PID controllers are *** property of nonovershoot can usually be obtained by our improved *** same examples as those of[1]are used to demonstrate the effectiveness of the improved method.

关键词： PID Controllers Dominant poles pole placement Root Locus Nyquist Plot Pre-filter

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Effect of pole-placement on Precision of Video Target Predicative Tracking Using Enhanced Full State Observer

Effect of Pole-placement on Precision of Video Target Predic...

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2011 Chinese Control and Decision Conference（CCDC）

作者： Chul Gyu Jhun Display Engineering Department College of Display EngineeringHoseo University

In control theory,a state observer is employed to estimate the internal states of the given *** this paper,a full state observer is engineered to perform predictive video target tracking enhanced with a lowpass filter designed to achieve better tracking *** impact of pole placement in the observer is analyzed and the optimal pole values are identified for this particular *** tests are conducted on two sets of given video sequences,in which a jumping ball and a randomly moving target is respectively *** results suggest that the proposed approach boasts technical merits such as low computational complexity,good tracking robustness for highly mobile moving targets,and system noise worry-free.

关键词： Full state observer pole placement Lowpass filter Video target tracking

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Linear Active Disturbance Rejection Control with a Fractional-Order Integral Action

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Computers, Materials & Continua 2022年第11期73卷 3057-3079页

作者： Maâmar Bettayeb Rachid Mansouri Ubaid M.Al-Saggaf Abdulrahman U.Alsaggaf Mohammed Moinuddin Electrical Engineering Department University of SharjahUnited Arab Emirates L2CSP Laboratory University Mouloud Mammeri of Tizi-OuzouAlgeria Center of Excellence in Intelligent Engineering Systems(CEIES) King Abdulaziz UniversityJeddahSaudi Arabia Electricaland Computer Engineering Department King Abdulaziz UniversityJeddahSaudi Arabia

Linear active disturbance rejection control(LADRC)is a powerful control structure thanks to its performance in uncertainties,internal and external disturbances estimation and *** extended state observer(ESO)based controller is the key to the LADRC *** this article,the LADRC scheme combined with a fractional-order integral action(FOILADRC)is proposed to improve the robustness of the standard *** the robust closed-loop Bode’s ideal transfer function(BITF),an appropriate pole placement method is proposed to design the set-point tracking controller of the FOI-LADRC *** simulations and experimental results on a cart-pendulum system will illustrate the effectiveness of the proposed FOI-LADRC scheme for the disturbance rejection,the set-point tracking and the improved *** illustrate the LADRC control schemes and to verify the performance of the proposed FOI-LADRC,compared to the standard LADRC and IOI-LADRC structures,two tests will be carried ***,simulation tests on an academic example will be presented to show the effect of the different parameters of the control law on the performance of the closed-loop ***,these three control structures are implemented on an experimental test bench,the cart-pendulum system,to show their efficiency and to show the superiority of the proposed method compared to the two other structures.

关键词： Fractional calculus active disturbance rejection control pole placement cart-pendulum system robust control

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Control of Linear Servo Carts with Integral-Based Disturbance Rejection

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Computers, Materials & Continua 2022年第10期73卷 453-463页

作者： Ibrahim M.Mehedi Abdulah Jeza Aljohani Ubaid M.Al-Saggaf Ahmed I.Iskanderani Thangam Palaniswamy Mohamed Mahmoud Mohammed J.Abdulaal Muhammad Bilal Waleed Alasmary Department of Electrical and Computer Engineering(ECE) King Abdulaziz University5521589Saudi Arabia Center of Excellence in Intelligent Engineering Systems(CEIES) King Abdulaziz University6521589Saudi Arabia Electrical and Computer Engineering TN38505United States Computer and Information Systems Umm Al-Qura UniversityMakkahSaudi Arabia

This paper describes a system designed for linear servo cart systems that employs an integral-based Linear Active Disturbance Rejection Control(ILADRC)scheme to detect and respond to *** upgrade in this control technique provides extensive immunity to uncertainties,attenuation,internal disturbances,and external sources of *** fundamental technology base of LADRC is Extended State Observer(ESO).LADRC,when combined with Integral action,becomes a hybrid control technique,namely *** tracking is based on Bode’s Ideal Transfer Function(BITF)in this proposed ILADRC *** proves to be a very robust and appropriate pole placement *** proposed LSC system has experimented with the hybrid ILADRC technique plotted the *** the results,it is evident that the proposed ILADRC scheme enhances the robustness of the LSC system with remarkable disturbance ***,the results of a linear quadratic regulator(LQR)and ILADRC schemes are comparatively *** analysis deduced the improved performance of ILADRC over the LQR control scheme.

关键词： pole placement ADRC Active disturbance rejection robust control linear servo cart system

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Fractional Order Linear Active Disturbance Rejection Control for Linear Flexible Joint System

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Computers, Materials & Continua 2022年第3期70卷 5133-5142页

作者： Ibrahim M.Mehedi Rachid Mansouri Ubaid M.Al-Saggaf Ahmed I.M.Iskanderani Maamar Bettayeb Abdulah Jeza Aljohani Thangam Palaniswamy Shaikh Abdul Latif Abdul Latif Department of Electrical and Computer Engineering(ECE) King Abdulaziz UniversityJeddah21589Saudi Arabia Center of Excellence in Intelligent Engineering Systems(CEIES) King Abdulaziz UniversityJeddah21589Saudi Arabia L2CSP Laboratory Mouloud Mammeri UniversityTizi OuzouAlgeria Electrical&Computer Engineering Department University of SharjahUnited Arab Emirates Department of Nuclear Engineering King Abdulaziz UniversityJeddah21589Saudi Arabia Department of Mathematics King Abdulaziz UniversityJeddah21589Saudi Arabia

A linear flexible joint system using fractional order linear active disturbance rejection control is studied in this *** this control scheme,the performance against disturbances,uncertainties,and attenuation is *** active disturbance rejection control(LADRC)is mainly based on an extended state observer(ESO)technology.A fractional integral(FOI)action is combined with the LADRC technique which proposes a hybrid control scheme like *** this FOI action improves the robustness of the standard *** set-point tracking of the proposed FO-LADRC scheme is designed by Bode’s ideal transfer function(BITF)based robust closed-loop concept,an appropriate pole placement *** effectiveness of the proposed FO-LADRC scheme is illustrated through experimental results on the linear flexible joint system(LFJS).The results show the enhancement of the robustness with disturbance ***,a comparative analysis is presented with the results obtained using the integer-order LADRC and FO-LADRC scheme.

关键词： Active disturbance rejection fractional calculus ADRC pole placement linear flexible joint system robust control

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