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Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 344-351 doi: 10.1007/s11465-015-0364-8

Abstract: A linear quadratic (LQ) optimal controller can provide all the states of a system for the feedback, suchThus, the application of such an optimal controller in cable-driven parallel robots can result in moreThis paper presents an approach to apply the LQ optimal controller on cable-driven parallel robots.To employ the optimal control theory, the static and dynamic modeling of a 3-DOF planar cable-drivenThe synthesis of the LQ optimal control is described, and the significant experimental results are presented

Keywords： accuracy     cable-driven parallel robot     linear quadratic optimal control    

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A linear quadratic regulator control of a stand-alone PEM fuel cell power plant

Amar BENAISSA, Boualaga RABHI, Ammar MOUSSI, Dahmani AISSA

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 62-72 doi: 10.1007/s11708-013-0291-5

Abstract: This paper introduces a technique based on linear quadratic regulator (LQR) to control the output voltageThe controller modifies the optimal gains by minimizing a cost function, and the phase angle of theAC output voltage to control the active and reactive power output from an FCPP to match the terminalThe control actions are based on feedback signals from the terminal load, output voltage and fuel cellSimulation results show that the proposed control strategy operated at low commutation frequency (2 kHz

Keywords： modeling of proton exchange membrane fuel cell (PEMFC)     controlling of PEMFC     linear quadratic regulator    

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New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 386-392 doi: 10.1007/s11465-009-0041-x

Abstract: Decentralized control is more suitable for structural control of large-scale structures.In this paper, a new decentralized control technique is proposed based on the linear quadratic GaussianA numerical example of the decentralized control of a tall building is studied to illustrate the newSimulation results show that the proposed decentralized control provides satisfactory control performancestructural control of large-scale structures.

Keywords： substructures     decentralized control     linear quadratic Gaussian (LQG)     Kalman filter     unknown input     least-squares    

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Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 90-102 doi: 10.1007/s11708-012-0224-8

Abstract: In order to avoid power system collapse, load shedding (LS) schemes are adopted with the optimal amountconducted for three scenarios: the scheme with a conventional integral controller; the scheme with a linearquadratic regulator (LQR); and the scheme with an LQR and superconducting magnetic energy storage devices

Keywords： critical load     frequency response     load shedding (LS)     multi-area system     rate of change of frequency     linearquadratic regulator (LQR)     superconducting magnetic energy storage devices (SMES)    

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Neural network control for earthquake structural vibration reduction using MRD

Khaled ZIZOUNI, Leyla FALI, Younes SADEK, Ismail Khalil BOUSSERHANE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1171-1182 doi: 10.1007/s11709-019-0544-4

Abstract: intended for exposure to strong earthquake loads are designed and equipped with high technologies of controlOne of these technologies used in the protection of structures is the semi-active control using a MagnetoIn this study, a neural network controller is proposed to control the MR damper to eliminate vibrationsThe proposed controller is derived from a linear quadratic controller designed to control an MR damperEquipped with a feedback law the proposed control is coupled to a clipped optimal algorithm to adapt

Keywords： MR damper     semi-active control     earthquake vibration     neural network     linear quadratic control    

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Flight control for air-breathing hypersonic vehicles using linear quadratic regulator design based on Article

Lin CAO, Shuo TANG, Dong ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 7,   Pages 882-897 doi: 10.1631/FITEE.1601363

Abstract: In this paper, we propose a linear-quadratic regulator (LQR) design method based on stochastic robustnesssystem robustness, a novel hybrid particle swarm optimization algorithm is proposed to search for the optimalFinally, simulation results show that the optimization algorithm can effectively find the optimal solution

Keywords： Air-breathing hypersonic vehicles (AHVs)     Stochastic robustness analysis     Linear-quadratic regulator    

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Optimization of formation for multi-agent systems based on LQR

Chang-bin Yu, Yin-qiu Wang, Jin-liang Shao,brad.yu@anu.edu.au,wh6508@gmail.com,jinliangshao@126.com

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 2,   Pages 96-109 doi: 10.1631/FITEE.1500490

Abstract: In this paper, three optimal linear algorithms are proposed for first-order linear from a perspectiveFirst, we propose the optimal formation algorithm for first-order without initial physical couplingsNext, for physically interconnected , the optimal formation algorithm is presented, and the correspondingparameter matrix is given from the solution to a group of quadratic equations with one unknown.communication topology between agents is fixed, the local feedback gain is obtained from the solution to a quadratic

Keywords： Linear quadratic regulator (LQR)     Formation control     Algebraic Riccati equation (ARE)     Optimal control    

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Precision control system of two-DOF stage with linear ultrasonic motor

ZHANG Hanlei, SHI Yunlai, ZHAO Chunsheng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 421-425 doi: 10.1007/s11465-008-0063-9

Abstract: Using an appropriate control method, linear ultrasonic motors can be used in applications requiring highIn this paper, a closed loop PI control system is designed to achieve high position accuracy during thecontrol of a two-DOF stage driven by linear ultrasonic motors.The PI control algorithm is used to increase the stability and accuracy of position control.Experimental results denote that the control strategy proposed in this paper appears to have high efficiency

Keywords： settling     position accuracy     PI control     control algorithm     orthogonal    

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A refined risk explicit interval linear programming approach for optimal watershed load reduction with

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 129-140 doi: 10.1007/s11783-014-0683-8

Abstract: To enhance the effectiveness of watershed load reduction decision making, the Risk Explicit Interval Linearproposed in this study to further enhance the decision support capability of the REILP approach for optimalThe proposed model was illustrated using a case study that deals with uncertainty-based optimal load

Keywords： refined risk explicit interval linear programming     decision making     objective-constraint uncertainty tradeoff    

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Active steering control strategy for articulated vehicles Project supported by the Program Article

Kyong-il KIM,Hsin GUAN,Bo WANG,Rui GUO,Fan LIANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 6,   Pages 576-586 doi: 10.1631/FITEE.1500211

Abstract: vehicles, we design an active steering controller, including tractor and trailer controllers, based on linearquadratic regulator (LQR) theory.The control strategy is applicable for steering not only along gentle curves but also along sharp curves

Keywords： Articulated vehicle     Sharp curve     Lateral stability     Linear quadratic regulator (LQR)    

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Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 23-28 doi: 10.1007/s11465-012-0304-9

Abstract:

This paper presents an optimal control strategy for optimal trajectory planning of mobile robots byThen, the optimal path planning of the mobile robot is formulated as an optimal control problem.To solve the problem, an indirect solution of the optimal control method is employed, and conditions

Keywords： mobile robot     trajectory planning     nonlinear dynamic     optimal control    

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Fuel optimal control of parallel hybrid electric vehicles

PU Jinhuan, YIN Chenliang, ZHANG Jianwu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 337-342 doi: 10.1007/s11465-008-0057-7

Abstract: A mathematical model for fuel optimal control and its corresponding dynamic programming (DP) recursivelimitation of the HEV within an acceptable time period and can be used to evaluate and optimize the control

Keywords： mathematical     Comparison     computational complexity     dimensionality     corresponding    

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Parametric control of structural responses using an optimal passive tuned mass damper under stationary

Min-Ho CHEY, Jae-Ung KIM

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 267-280 doi: 10.1007/s11709-012-0170-x

Abstract: In this study, the structural control strategy utilizing a passive tuned mass damper (TMD) system asdevice is outlined, highlighting the parametric optimization approach for displacement and acceleration controlFor the vibration control of an undamped structure, the optimal parameters of a TMD, such as the optimalFor damped structures, a numerical searching technique is used to obtain the optimal parameters of thethe displacement and acceleration based control effectiveness indices of the TMD are examined from the

Keywords： tuned mass damper     parametric optimization     passive control     white noise     earthquake excitation    

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Research on the control systems of a precision linear motor drive device

YAN Han, WANG Xian-kui, DUAN Guang-hong

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 260-264 doi: 10.1007/s11465-006-0036-9

Abstract: The model of a precision linear motor drive device (PLMDD) and its control requirements are analyzed.is established, and disturbance-observer based input revising feedforward error compensation robust controlalgorithm, combined with integral-separated proportional integral derivative (PID) control algorithmThis includes feedback control algorithm and feedforward control algorithm.Theoretical analyses, simulations and experiments show that this control method increases the tracking

Keywords： feedforward     tracking     ±5     anti-disturbance performance     algorithm    

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Optimal localization of complex surfaces in CAD-based inspection

XU Jinting, LIU Weijun, SUN Yuwen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 426-433 doi: 10.1007/s11465-008-0068-4

Abstract: Complex surface inspection requires the optimal localization of the measured surface related to the designto the design surface based on curvature features, which can produce a good initial estimate for the optimalSince this approach does not involve an iterative process of solving non-linear equations for the closest

Keywords： deviation     comparison     non-linear     localization     inspection    

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Title Author Date Type Operation

Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Journal Article

A linear quadratic regulator control of a stand-alone PEM fuel cell power plant

Amar BENAISSA, Boualaga RABHI, Ammar MOUSSI, Dahmani AISSA

Journal Article

New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Journal Article

Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

Neural network control for earthquake structural vibration reduction using MRD

Khaled ZIZOUNI, Leyla FALI, Younes SADEK, Ismail Khalil BOUSSERHANE

Journal Article

Flight control for air-breathing hypersonic vehicles using linear quadratic regulator design based on

Lin CAO, Shuo TANG, Dong ZHANG

Journal Article

Optimization of formation for multi-agent systems based on LQR

Chang-bin Yu, Yin-qiu Wang, Jin-liang Shao,brad.yu@anu.edu.au,wh6508@gmail.com,jinliangshao@126.com

Journal Article

Precision control system of two-DOF stage with linear ultrasonic motor

ZHANG Hanlei, SHI Yunlai, ZHAO Chunsheng

Journal Article

A refined risk explicit interval linear programming approach for optimal watershed load reduction with

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Journal Article

Active steering control strategy for articulated vehicles Project supported by the Program

Kyong-il KIM,Hsin GUAN,Bo WANG,Rui GUO,Fan LIANG

Journal Article

Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Journal Article

Fuel optimal control of parallel hybrid electric vehicles

PU Jinhuan, YIN Chenliang, ZHANG Jianwu

Journal Article

Parametric control of structural responses using an optimal passive tuned mass damper under stationary

Min-Ho CHEY, Jae-Ung KIM

Journal Article

Research on the control systems of a precision linear motor drive device

YAN Han, WANG Xian-kui, DUAN Guang-hong

Journal Article

Optimal localization of complex surfaces in CAD-based inspection

XU Jinting, LIU Weijun, SUN Yuwen

Journal Article