Total-Amount Synchronous Control Based on Terminal Sliding-Mode Control

Zhang, Changfan; Lin, Zhenzhen; Yang, Simon X.; He, Jing

doi:10.1109/access.2017.2688518

Cited by 16 publications

(13 citation statements)

References 17 publications

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“…However, these studies have only focused on the consensus amongst individuals within the system. In some engineering situations, individuals do not need to synchronise with one another but must keep the total output traction power constant [19]. For example, when a train wheel set has an idling failure, the traction power of the wheel set will be lost, which in turn leads to a total traction power loss for the train.…”

Section: Introductionmentioning

confidence: 99%

“…To ensure a safe operation of the train, its total traction power must stay unchanged. To address this problem, Zhang et al used the terminal sliding mode control method to transform the total traction power problem into an error system convergence problem [19] and then designed a consensus-based totalamount cooperative tracking control protocol based on the disturbance observer [7].…”

Section: Introductionmentioning

confidence: 99%

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Virtual Line Shafting-Based Total-Amount Coordinated Control of Multi-Motor Traction Power

Chen

Mao

et al. 2020

Journal of Advanced Transportation

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This paper investigates a virtual line shafting-based total-amount coordinated control method of multi-motor traction power to solve the traffic safety problem caused by train traction power loss. This method considers the total amount instead of the synchronous control amongst single motors in a multi-motor control system. Firstly, a block diagram of the proposed method is built. Secondly, on the basis of this diagram, an accurate system model with parameter perturbations is constructed. Thirdly, a virtual controller is designed to quickly adjust the output torque of the virtual motor and to realise a tracking control of the reference torque. A total-amount coordinated control strategy based on the integral sliding mode is also designed to keep the total traction power of the multi-motor system constant under uncertain and unknown disturbances. Lyapunov stability theory is used to prove the system stability. The simulation and experiment results verify the effectiveness of the virtual controller and the total-amount coordinated control strategy in guaranteeing system robustness under disturbances and parameter perturbations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Virtual Line Shafting-Based Total-Amount Coordinated Control of Multi-Motor Traction Power

Chen

Mao

et al. 2020

Journal of Advanced Transportation

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“…e complex and changeable running environment of locomotives often causes the loss of traction performance of the motors. e traction system can be safely and smoothly operated only when the total amount of traction torque provided by the multiple motors is consistent with the desired total amount [1,2]. is condition implies the maximum utilization of the efficiency for multiple motors [3].…”

Section: Introductionmentioning

confidence: 99%

Consistent Total Traction Torque-Oriented Coordinated Control of Multimotors with Input Saturation for Heavy-Haul Locomotives

Zhang

et al. 2020

Journal of Advanced Transportation

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In the coordinated control of multiple motors for heavy-haul locomotives, the input value for a motor often exceeds its maximum allowable input value, resulting in the saturation problem. A traction total-amount coordinated tracking control (TACTC) strategy is proposed to address the input saturation of heavy-haul locomotives driven by multiple motors. This strategy reduces control input and suppresses input saturation. First, a multimotor traction model with uncertain parameter perturbations and external disturbances was established. Next, a sliding-mode disturbance observer (SMDO) was designed to reduce the sliding-mode switching gain, thereby decreasing the control input. An auxiliary anti-windup (AW) system was used to weaken the effect of input saturation on tracking performance. Then, the observed value and auxiliary state were fed back to the sliding-mode controller to design a TACTC protocol and ensure that the total amount of traction torque follows the desired traction characteristic curve. Finally, the Matlab/Simulink simulation and RT-Lab semiphysical experiment results show that the proposed strategy can effectively suppress the input saturation problem of multimotor coordinated control.

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“…In order to find an improved methodology for having shorter convergence time than the typical SMC, the terminal sliding mode controller (TSMC) is used. [7][8][9][10] The TSMC is widely applied for controlling systems exposed to the model uncertainties 11,12 such as the robot manipulators. 13,14 A practical nonsingular TSMC is proposed in ref.…”

Section: Introductionmentioning

confidence: 99%

Robust Hybrid Fractional Order Proportional Derivative Sliding Mode Controller for Robot Manipulator Based on Extended Grey Wolf Optimizer

Komijani

Masoumnezhad²,

Zanjireh³

et al. 2019

Robotica

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SUMMARYThis paper presents a novel robust hybrid fractional order proportional derivative sliding mode controller (HFOPDSMC) for 2-degree of freedom (2-DOF) robot manipulator based on extended grey wolf optimizer (EGWO). Sliding mode controller (SMC) is remarkably robust against the uncertainties and external disturbances and shows the valuable properties of accuracy. In this paper, a new fractional order sliding surface (FOSS) is defined. Integrating the fractional order proportional derivative controller (FOPDC) and a new sliding mode controller (FOSMC), a novel robust controller based on HFOPDSMC is proposed. The bounded model uncertainties are considered in the dynamics of the robot, and then the robustness of the controller is verified. The Lyapunov theory is utilized in order to show the stability of the proposed controller. In this paper, the EGWO is developed by adding the emphasis coefficients to the typical grey wolf optimizer (GWO). The GWO and EGWO, then, are applied to optimize the proposed control parameters which result in the optimized GWO-HFOPDSMC and EGWO-HFOPDSMC, respectively. The effectivenesses of the optimized controllers (GWO-HFOPDSMC and EGWO-HFOPDSMC) are completely verified by comparing the simulation results of the optimized controllers with the typical FOSMC and HFOPDSMC.

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Total-Amount Synchronous Control Based on Terminal Sliding-Mode Control

Cited by 16 publications

References 17 publications

Virtual Line Shafting-Based Total-Amount Coordinated Control of Multi-Motor Traction Power

Virtual Line Shafting-Based Total-Amount Coordinated Control of Multi-Motor Traction Power

Consistent Total Traction Torque-Oriented Coordinated Control of Multimotors with Input Saturation for Heavy-Haul Locomotives

Robust Hybrid Fractional Order Proportional Derivative Sliding Mode Controller for Robot Manipulator Based on Extended Grey Wolf Optimizer

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