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Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode

Abdelkarim AMMAR,Amor BOUREK,Abdelhamid BENAKCHA

《能源前沿（英文）》 2020年第14卷第4期页码 836-849 doi: 10.1007/s11708-017-0444-z

摘要： This paper proposes a design of control and estimation strategy for induction motor based on the variable structure approach. It describes a coupling of sliding mode direct torque control (DTC) with sliding mode flux and speed observer. This algorithm uses direct torque control basics and the sliding mode approach. A robust electromagnetic torque and flux controllers are designed to overcome the conventional SVM-DTC drawbacks and to ensure fast response and full reference tracking with desired dynamic behavior and low ripple level. The sliding mode controller is used to generate reference voltages in stationary frame and give them to the controlled motor after modulation by a space vector modulation (SVM) inverter. The second aim of this paper is to design a sliding mode speed/flux observer which can improve the control performances by using a sensorless algorithm to get an accurate estimation, and consequently, increase the reliability of the system and decrease the cost of using sensors. The effectiveness of the whole composed control algorithm is investigated in different robustness tests with simulation using Matlab/Simulink and verified by real time experimental implementation based on dS pace 1104 board.

关键词： induction motor direct torque control (DTC) space vector modulation (SVM) sliding mode control (SMC) sliding mode observer (SMO) dS1104

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An adaptive sliding mode control technology for weld seam tracking

Jie LIU,Youmin HU,Bo WU,Kaibo ZHOU,Mingfeng GE

《机械工程前沿（英文）》 2015年第10卷第1期页码 95-101 doi: 10.1007/s11465-015-0332-3

摘要：

A novel adaptive sliding mode control algorithm is derived to deal with seam tracking control problem of welding robotic manipulator, during the process of large-scale structure component welding. The proposed algorithm does not require the precise dynamic model, and is more practical. Its robustness is verified by the Lyapunov stability theory. The analytical results show that the proposed algorithm enables better high-precision tracking performance with chattering-free than traditional sliding mode control algorithm under various disturbances.

关键词： weld seam tracking welding robotic manipulator adaptive control sliding mode control

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Gained switching-based fuzzy sliding mode control for a discrete-time underactuated robotic system with

Hui LI, Ruiqin LI, Jianwei ZHANG

《机械工程前沿（英文）》 2021年第16卷第2期页码 353-362 doi: 10.1007/s11465-020-0620-4

摘要： This study proposes a gained switching-based discrete-time sliding mode control method to address the chattering issue in disturbed discrete-time systems, which suffer from various unknown uncertainties. Through the new structure of the designed reaching law, the proposed method can effectively increase the convergence speed while guaranteeing chattering-free control. The performance of controlling underactuated robotic systems can be further improved by the adoption of fuzzy logic to perform adaptive online hyper-parameter tuning. In addition, an underactuated robotic system with uncertainties is studied to validate the effectiveness of the proposed reaching law. Results reveal the dynamic performance and robustness of the proposed reaching law in the studied system and prove the proposed method’s superiority over other state-of-the-art methods.

关键词： sliding-mode control robot control discrete-time uncertain systems fuzzy logic

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DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

《能源前沿（英文）》 2014年第8卷第3期页码 345-354 doi: 10.1007/s11708-014-0330-x

摘要： This paper proposes an indirect power control of doubly fed induction generator (DFIG) with the rotor connected to the electric grid through a back-to-back pulse width modulation (PWM) converter for variable speed wind power generation. Appropriate state space model of the DFIG is deduced. An original control strategy based on a variable structure control theory, also called sliding mode control, is applied to achieve the control of the active and reactive power exchanged between the stator of the DFIG and the grid. A proportional-integral-(PI) controller is used to keep the DC-link voltage constant for a back-to-back PWM converter. Simulations are conducted for validation of the digital controller operation using Matlab/Simulink software.

关键词： doubly fed induction generator (DFIG) wind turbine back-to-back pulse width modulation (PWM) DC-link voltage sliding mode control

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Output tracking control of mobile manipulators based on dynamical sliding-mode control

WUYuxiang, FENG Ying, HU Yueming

《机械工程前沿（英文）》 2007年第2卷第1期页码 110-115 doi: 10.1007/s11465-007-0019-5

摘要： A dynamical sliding-mode controller is devised to track the output of mobile manipulators. During the investigation, firstly a reduced dynamic model considering the dynamics of the driving motor is developed for mobile manipulators. Then, the system is decomposed into four lower-dimensional subsystems by means of diffeomorphism and nonlinear input transformation. Moreover, a design method of the dynamical sliding-mode controller that is applied to the output tracking of mobile manipulators is proposed. The simulation results indicate that the dynamical sliding-mode controller can not only track the given trajectory correctly but also reduce the chattering of sliding-mode control system considerably.

关键词： lower-dimensional nonlinear trajectory tracking diffeomorphism

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基于滑模控制的可拓控制器设计

陈珍源,翁庆昌

《中国工程科学》 2001年第3卷第9期页码 48-51

摘要：

根据滑模控制概念，提出一种新的可拓控制器。在控制策略设计上分为两个部分，第一个部分是根据系统已知部分设计滑模控制的等效控制，另一部分为鲁棒控制以解决系统的不确定性因素及外部干扰问题。首先，构造一基本可拓控制器，用所定可拓集的关联函数作为系统状态信息的评价指针，并在其中植入一组待调增益参数，经参数修正来综合滑模可拓控制的鲁棒控制（滑模的撞击控制），以保证系统的稳定性。最后以一个非线性控制系统的仿真为例来说明所设计的可拓控制器的控制性能。

关键词：可拓集合可拓控制滑模控制系统稳定性

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非线性系统的高增益滑模输出跟踪

王新华,陈增强,袁著祉

《中国工程科学》 2004年第6卷第2期页码 38-43

摘要：

基于非线性系统线性化后得到外部动态与内模动态，设计一种线性化观测器，使得当摄动参数在有限范围内任意取值时，观测器误差渐近为零。并且利用在有限时间到达平衡点的连续滑动模态，设计一种连续形式的高增益滑模控制器，使得实际输出与参考输出的差渐近收敛到零。稳定性分析和仿真试验表明，该控制系统具有较强的鲁棒性和快速收敛性。

关键词：非线性系统外部动态内模动态滑模控制鲁棒性

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双轮铣槽机铣削系统自适应模糊积分滑模转速控制

Qi-yan Tian, Jian-hua Wei, Jin-hui Fang, Kai Guo,jhfang@zju.edu.cn

《信息与电子工程前沿（英文）》 2016年第17卷第1期页码 55-66 doi: 10.1631/FITEE.15a0160

摘要：目的：随着地下连续墙施工工法和双轮铣槽机技术不断发展，实现对双轮铣槽机铣削系统铣轮工作转速的快速精确控制具有重要意义。在负载特性未知、扰动复杂的情况下，本文基于自适应模糊积分滑模（AFISMC）控制算法，实现对铣削系统铣轮转速的良好控制。创新点：在双轮铣槽机铣轮铣削过程中，铣轮转速控制受到岩石和土壤未知负载特性的影响，同时地质条件不断变化。由于岩石和土壤复杂的负载特性，铣轮的切削扭矩与地质条件、铣轮进给速度等均存在耦合关系，而且其动态特性复杂未知，无法建立准确的数学模型。本文针对以上难点，设计新型自适应模糊积分滑模转速控制器。方法：针对双轮铣槽机铣削系统的特性，提出一种基于自适应模糊积分滑模控制（AFISMC）的铣轮转速控制方案。该控制方案将自适应控制的参数自整定特性、积分滑模控制的鲁棒性以及模糊系统独立于数学模型的特性结合起来。通过自适应模糊系统对被控对象未知模型有效逼近，使用反步法对控制器进行设计，采用Lyapunov理论证明整个闭环系统（包括自适应模糊推理系统、积分滑模控制器和被控对象）的稳定性。结论：在双轮铣槽机液压模拟实验台对不同工况下的铣轮转速控制进行实验，分别采用PI、ISMC和AFISMC三种控制方法进行对比。实验结果表明AFISMC控制算法在跟踪和抗干扰方面均表现出良好的控制性能。

关键词：铣削系统；电液系统；铣削转速控制；自适应模糊积分滑模控制

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基于改进级联观测器的永磁同步电机智能分数阶积分滑模控制 Research Articles

肖玲斐1,2,马磊明3,黄欣浩1

《信息与电子工程前沿（英文）》 2022年第23卷第2期页码 328-338 doi: 10.1631/FITEE.2000317

摘要：提出一种基于改进级联观测器的智能分数阶积分滑模控制（FOISMC）策略。首先，针对永磁同步电机设计了分数阶积分滑模控制器，该控制器有良好跟踪性能，具有强鲁棒性，且能有效削弱抖振。所提策略结合了积分能消除稳态跟踪误差和分数阶微积分灵活的优点。其次，提出一种改进的级联观测器，能获得较小的转子信息观测误差。所设计级联观测器结合了自适应滑模观测器和扩展高增益观测器。此外，利用改进的变速灰狼优化算法优化控制器参数。最后，在综合考虑模型不确定性和外部干扰的情况下，通过仿真和实验验证了所提策略的有效性。

关键词：永磁同步电机；分数阶积分滑模；优化算法；无传感器控制；观测器

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Obstacle-circumventing adaptive control of a four-wheeled mobile robot subjected to motion uncertainties

《机械工程前沿（英文）》 2023年第18卷第3期 doi: 10.1007/s11465-023-0753-3

摘要： To achieve the collision-free trajectory tracking of the four-wheeled mobile robot (FMR), existing methods resolve the tracking control and obstacle avoidance separately. Guaranteeing the synergistic robustness and smooth navigation of mobile robots subjected to motion uncertainties in a dynamic environment using this non-cooperative processing method is difficult. To address this challenge, this paper proposes an obstacle-circumventing adaptive control (OCAC) framework. Specifically, a novel anti-disturbance terminal slide mode control with adaptive gains is formulated, incorporating specified control laws for different stages. This formulation guarantees rapid convergence and simultaneous chattering elimination. By introducing sub-target points, a new sub-target dynamic tracking regression obstacle avoidance strategy is presented to transfer the obstacle avoidance problem into a dynamic tracking one, thereby reducing the burden of local path searching while ensuring system stability during obstacle circumvention. Comparative experiments demonstrate that the proposed OCAC method can strengthen the convergence and obstacle avoidance efficiency of the concerned FMR system.

关键词： four-wheeled mobile robot obstacle-circumventing adaptive control adaptive anti-disturbance terminal sliding mode control sub-target dynamic tracking regression obstacle avoidance

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基于离散系统滑模控制的有限时间领导—跟随一致性 Research Article

宋睿卓1,2,邢适1,2,许镇3

《信息与电子工程前沿（英文）》 2022年第23卷第7期页码 1057-1068 doi: 10.1631/FITEE.2100565

摘要：研究了离散时间二阶多智能体系统在外部干扰约束下的有限时间领导—跟随一致性问题。首先利用自适应滑模控制理论，设计了一种新的有限时间一致性方案。自适应控制律是在传统滑模趋近律基础上改进设计的，其优点是减少抖振并保持对干扰的不变性。此外，通过给出一个离散李雅普诺夫函数，证明了离散时间二阶多智能体系统的有限时间稳定性。最后，数值模拟结果验证了理论分析的有效性。

关键词：有限时间；领导—跟随一致性；自适应滑模控制；多智能体系统

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基于电流滑模控制策略的五相感应电机指数响应电子变极技术 Article

Jia-qiang YANG, Rong-sen YIN, Xiao-jun ZHANG, Jin HUANG

《信息与电子工程前沿（英文）》 2017年第18卷第8期页码 1151-1166 doi: 10.1631/FITEE.1601728

摘要：现有电子变极技术可以拓宽多相感应电机系统的恒功率调速范围，但是会带来转矩脉动和转速波动。为减小电机在变极过程中的转矩脉动和转速波动，本文研究了基于电流滑模控制策略的五相感应电机指数响应电子变极技术。本技术采用双平面（d1-q1和d2-q2）矢量控制策略，使五相感应电机可以在不同的极对数模式下运行。电流滑模控制器取代了传统的PI控制器，以调节电流矢量，并且电流指数响应可以实现d1-q1和d2-q2平面之间平滑的切换。同基于PI控制的阶跃响应电子变极技术相比，本文提出的方法极大地减小了感应电机在电子变极过程中的转矩脉动和速度波动。实验结果证明了本文所提出方法的有效性。

关键词：五相感应电机；电子变极；滑模控制；指数响应；转矩脉动减小

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一种用于交流永磁同步电机位置控制的带有扩展状态观测器的快速积分滑模控制器 Research Articles

姜俊峰1,2,周晓军1,2,赵维3,李伟3,张文东4

《信息与电子工程前沿（英文）》 2020年第21卷第8期页码 1119-1266 doi: 10.1631/FITEE.1900298

摘要：交流永磁同步电机在位置控制中得到广泛应用。然而由于内部不确定性和外部载荷干扰，其性能经常不能满足需求。为提高交流永磁同步电机系统的控制性能，提出一种具有快速响应能力和强鲁棒性的方法。首先，设计一个改进的积分终端滑模控制器，该控制器具有快速滑模面和连续的趋近律。然后采用扩展状态观测器测量内部和外部扰动，从而用前馈补偿方式抵消干扰。与其他滑模控制算法相比，该方法响应快速，并具更强的鲁棒性抵抗系统干扰。同时，控制系统位置跟踪误差能在有限时间内收敛至0。仿真和实验结果表明，该方法具有快速响应和强鲁棒性，并保证高精度控制。

关键词：交流永磁同步电机；滑模控制器；扩张状态观测器；鲁棒控制；运动控制

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Direct field oriented control scheme for space vector modulated AC/DC/AC converter fed induction motor

F. BENCHABANE, A. TITAOUINE, O. BENNIS, K. YAHIA, D. TAIBI

《能源前沿（英文）》 2012年第6卷第2期页码 129-137 doi: 10.1007/s11708-012-0183-0

摘要： This paper investigates a Luenberger flux observer with speed adaptation for a direct field oriented control of an induction motor. An improved method of speed estimation that operates on the principle of speed adaptive flux and current observer has been proposed. An observer is basically an estimator that uses a plant model and a feedback loop with measured stator voltage and current. Simulation results show that the proposed direct field oriented control with the proposed observer provides good performance dynamic characteristics. The induction motor is fed by an indirect power electronics converter. This indirect converter is controlled by a sliding mode technique that enables minimization of harmonics introduced by the line converter, as well as the control of the power factor and DC-link voltage. The robustness of the overall system is studied using simulation for different operating modes and varied parameters.

关键词： induction motor direct filed oriented control Luenberger observer estimation space vector modulation (SVM) sliding mode control boost-rectifier

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一类非仿射离散非线性系统的直接自适应模糊滑模控制 Article

Xiao-yu ZHANG

《信息与电子工程前沿（英文）》 2016年第17卷第12期页码 1331-1343 doi: 10.1631/FITEE.1500318

摘要：针对非仿射离散非线性系统的带干扰轨迹跟踪问题，提出一种直接自适应模糊滑模控制设计。为了获得自适应特性及消除滑模控制抖振，通过使用一个动态模糊逻辑系统（Dynamic fuzzy logical system, DFLS）实现等价控制。DFLS的参数实行在线自调节。用Lyapunov分析方法验证了滑模控制的稳定性，结果表明，整个系统渐近稳定且具备自适应、消除抖振的特点。通过数值仿真和一个2自由度机械臂的应用设计仿真证明了所提出设计的良好性能。

关键词：非线性系统；离散系统；动态模糊逻辑系统；直接自适应；滑模控制

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标题作者时间类型操作

Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode

Abdelkarim AMMAR,Amor BOUREK,Abdelhamid BENAKCHA

期刊论文

An adaptive sliding mode control technology for weld seam tracking

Jie LIU,Youmin HU,Bo WU,Kaibo ZHOU,Mingfeng GE

期刊论文

Gained switching-based fuzzy sliding mode control for a discrete-time underactuated robotic system with

Hui LI, Ruiqin LI, Jianwei ZHANG

期刊论文