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Robust control of

Xueyan TANG, I-Ming CHEN

《机械工程前沿（英文）》 2009年第4卷第1期页码 25-34 doi: 10.1007/s11465-009-0004-2

摘要： This article describes the development of an flexure-based micromanipulator, with the features of decoupled kinematic structure, large motion range, high positioning precision, and fast response. The large motion range of flexure mechanisms is quantified by a given definition. Based on the given definition, large motion is achieved in the mechanical design of the -flexure parallel mechanism (FPM). To ensure high positioning precision and fast dynamic response, a hybrid control algorithm with both position control and vibration control are designed, using the H -theory. The controller strongly solves the three common problems of flexure mechanisms simultaneously, including unmodeled uncertainties, the external disturbances and vibration caused by inherent low damping.

关键词： robust control flexure mechanisms flexure-based micromanipulator

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离心机的自适应鲁棒控制系统

李果,张培昌,胡剑飞,余达太

《中国工程科学》 2006年第8卷第9期页码 30-34

摘要：

为了改善离心机的控制性能和稳定性，进行了离心机的自适应鲁棒控制系统研究；基于电动机与离心机相连的结构，设计了控制器以期得到满意的控制性能；首先提出了一种基于自适应鲁棒控制器的离心机控制系统，针对离心机模型设计了自适应鲁棒控制算法；试验结果证明了该控制算法的有效性；在环境条件不同的情况下，离心机控制系统仍表现了满意的控制性能。

关键词：离心机自适应控制鲁棒控制

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移动卫星天线μ鲁棒控制设计

李果,胡剑飞,姬献征

《中国工程科学》 2007年第9卷第5期页码 22-26

摘要：

建立了基于移动卫星天线的控制系统，并针对移动卫星天线模型，设计μ鲁棒控制器，试验结果证明了控制器有效性；尽管外界环境道路变化不同，移动卫星天线控制系统表现出满意的控制性能。

关键词：移动卫星天线 μ设计鲁棒控制

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Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

《机械工程前沿（英文）》 2018年第13卷第2期页码 179-210 doi: 10.1007/s11465-018-0464-3

摘要：

Hydraulic servo system plays a significant role in industries, and usually acts as a core point in control and power transmission. Although linear theory-based control methods have been well established, advanced controller design methods for hydraulic servo system to achieve high performance is still an unending pursuit along with the development of modern industry. Essential nonlinearity is a unique feature and makes model-based nonlinear control more attractive, due to benefit from prior knowledge of the servo valve controlled hydraulic system. In this paper, a discussion for challenges in model-based nonlinear control, latest developments and brief perspectives of hydraulic servo systems are presented: Modelling uncertainty in hydraulic system is a major challenge, which includes parametric uncertainty and time-varying disturbance; some specific requirements also arise ad hoc difficulties such as nonlinear friction during low velocity tracking, severe disturbance, periodic disturbance, etc.; to handle various challenges, nonlinear solutions including parameter adaptation, nonlinear robust control, state and disturbance observation, backstepping design and so on, are proposed and integrated, theoretical analysis and lots of applications reveal their powerful capability to solve pertinent problems; and at the end, some perspectives and associated research topics (measurement noise, constraints, inner valve dynamics, input nonlinearity, etc.) in nonlinear hydraulic servo control are briefly explored and discussed.

关键词： hydraulic servo system adaptive control robust control nonlinear friction disturbance compensation repetitive control noise alleviation constraint control

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基于μ综合鲁棒控制的四轮转向车辆操纵稳定性研究

殷国栋,陈南,李普

《中国工程科学》 2005年第7卷第4期页码 54-58

摘要：

车辆总是承担不同的载荷，车辆建模亦存在着误差，传统四轮转向控制器难以达到原有的性能指标；针对外界干扰，采用μ综合鲁棒控制方法，构造横摆角速度跟踪综合控制系统设计框架，选取了不同环节的权函数。仿真结果表明，四轮转向车辆控制系统具有良好的动态性能、鲁棒稳定性和鲁棒性能，有效地提高了车辆操纵稳定性和安全性。

关键词：四轮转向鲁棒控制操纵稳定性 μ综合

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A systematic review of current and emergent manipulator control approaches

Syed Ali AJWAD,Jamshed IQBAL,Muhammad Imran ULLAH,Adeel MEHMOOD

《机械工程前沿（英文）》 2015年第10卷第2期页码 198-210 doi: 10.1007/s11465-015-0335-0

摘要：

Pressing demands of productivity and accuracy in today’s robotic applications have highlighted an urge to replace classical control strategies with their modern control counterparts. This recent trend is further justified by the fact that the robotic manipulators have complex nonlinear dynamic structure with uncertain parameters. Highlighting the authors’ research achievements in the domain of manipulator design and control, this paper presents a systematic and comprehensive review of the state-of-the-art control techniques that find enormous potential in controlling manipulators to execute cutting-edge applications. In particular, three kinds of strategies, i.e., intelligent proportional-integral-derivative (PID) scheme, robust control and adaptation based approaches, are reviewed. Future trend in the subject area is commented. Open-source simulators to facilitate controller design are also tabulated. With a comprehensive list of references, it is anticipated that the review will act as a first-hand reference for researchers, engineers and industrial-interns to realize the control laws for multi-degree of freedom (DOF) manipulators.

关键词： robot control robust and nonlinear control adaptive control intelligent control industrial manipulators robotic arm

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火箭炮交流位置伺服系统的鲁棒最优控制

柴华伟,马大为,李志刚,乐贵高,王锋

《中国工程科学》 2007年第9卷第10期页码 83-87

摘要：

为了实现某火箭炮交流伺服系统的高速、高精度位置控制，针对实际系统中存在的转动惯量和负载力矩变化大、冲击力矩强等各种不确定因素，提出了一种鲁棒最优控制方法。实验结果表明，该控制器鲁棒性强，而且具有较好的动态性能及稳态精度。

关键词：火箭炮交流位置伺服系统鲁棒控制最优控制

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Robust nonlinear control via feedback linearization and Lyapunov theory for permanent magnet synchronous

Ridha CHEIKH, Arezki MENACER, L. CHRIFI-ALAOUI, Said DRID

《能源前沿（英文）》 2020年第14卷第1期页码 180-191 doi: 10.1007/s11708-018-0537-3

摘要： In this paper, the method for the nonlinear control design of a permanent magnet synchronous generator based-wind energy conversion system (WECS) is proposed in order to obtain robustness against disturbances and harvest a maximum power from a typical stochastic wind environment. The technique overcomes both the problem of nonlinearity and the uncertainty of the parameter compared to such classical control designs based on traditional control techniques. The method is based on the differential geometric feedback linearization technique (DGT) and the Lyapunov theory. The results obtained show the effectiveness and performance of the proposed approach.

关键词： permanent magnet synchronous generator wind energy conversion system stochastic differential geometric feedback linearization maximum power point tracking Lyapunov robust control

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基座参数欠精确环境下双机械臂刚体夹持系统的自适应神经鲁棒控制 Research

Fan XU, Jin WANG, Guo-dong LU

《信息与电子工程前沿（英文）》 2018年第19卷第11期页码 1316-1327 doi: 10.1631/FITEE.1601707

摘要：针对基座参数欠精确环境下双机械臂刚体夹持系统的自适应调控问题进行研究。提出一种自适应神经鲁棒控制器，能同时解决基座参数欠精确、系统内力、建模不确定性、关节摩擦以及外部干扰等多种问题。该控制器采用一个径向基神经网络来逼近系统包括非预期内力在内的全部动力学部分。结合仿真实验和分析，该控制器能有效保证轨迹跟踪误差渐进收敛于0，并保持内力在可接受范围。在自适应调节机制下，该方法能对系统中双机械臂进一步在线精确标定。为保证系统全局稳定性，该控制器建立定制化鲁棒补偿，结合李雅普诺夫理论，证明该控制器在基座欠精确以及其他多种不确定环境下的鲁棒性。

关键词：协同机械臂；神经网络；欠精确基座平移坐标；自适应控制；鲁棒控制

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

《工程（英文）》 doi: 10.1016/j.eng.2023.06.014

摘要： Active suspension systems (ASSs) have been proposed and developed for a few decades, and have now once again become a thriving topic in both academia and industry, due to the high demand for driving comfort and safety and the compatibility of ASSs with vehicle electrification and autonomy. Existing review papers on ASSs mainly cover dynamics modeling and robust control; however, the gap between academic research outcomes and industrial application requirements has not yet been bridged, hindering most ASS research knowledge from being transferred to vehicle companies. This paper comprehensively reviews advances in ASSs for road vehicles, with a focus on hardware structures and control strategies. In particular, state-of-the-art ASSs that have been recently adopted in production cars are discussed in detail, including the representative solutions of Mercedes active body control (ABC) and Audi predictive active suspension; novel concepts that could become alternative candidates are also introduced, including series active variable geometry suspension, and the active wheel-alignment system. ASSs with compact structure, small mass increment, low power consumption, high-frequency response, acceptable economic costs, and high reliability are more likely to be adopted by car manufacturers. In terms of control strategies, the development of future ASSs aims not only to stabilize the chassis attitude and attenuate the chassis vibration, but also to enable ASSs to cooperate with other modules (e.g., steering and braking) and sensors (e.g., cameras) within a car, and even with high-level decision-making (e.g., reference driving speed) in the overall transportation system—strategies that will be compatible with the rapidly developing electric and autonomous vehicles.

关键词： Active suspension Vehicle dynamics Robust control Ride comfort Chassis attitude

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Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

Ridha CHEIKH, Arezki MENACER, Said DRID

《能源前沿（英文）》 2013年第7卷第2期页码 191-196 doi: 10.1007/s11708-013-0245-y

摘要： This paper discusses the robust control of a grid-connected doubly-fed induction generator (DFIG) controlled by vector control using a nonlinear feedback linearization strategy in order to ameliorate the performances of the control and to govern the developed stator active and reactive power in a linear and decoupled manner, in which an optimal operation of the DFIG in sub-synchronous operation is given, as well as the control stator power flow with the possibility of keeping stator power factor at a unity. The use of the state-all-flux induction machine model gives place to a simpler control model. So, to achieve this objective, the Lyapunov approach is used associated with a sliding mode control to guarantee the global asymptotical stability and the robustness of the parametric variations.

关键词： doubly fed induction generator (DFIG) vector control Lyapunov function power factor unity active power reactive power

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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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Pareto lexicographic α-robust approach and its application in robust multi objective assembly line balancing

null

《机械工程前沿（英文）》 2014年第9卷第3期页码 257-264 doi: 10.1007/s11465-014-0294-x

摘要：

Robustness in most of the literature is associated with min-max or min-max regret criteria. However, these criteria of robustness are conservative and therefore recently new criteria called, lexicographic α-robust method has been introduced in literature which defines the robust solution as a set of solutions whose quality or jth largest cost is not worse than the best possible jth largest cost in all scenarios. These criteria might be significant for robust optimization of single objective optimization problems. However, in real optimization problems, two or more than two conflicting objectives are desired to optimize concurrently and solution of multi objective optimization problems exists in the form of a set of solutions called Pareto solutions and from these solutions it might be difficult to decide which Pareto solution can satisfy min-max, min-max regret or lexicographic α-robust criteria by considering multiple objectives simultaneously. Therefore, lexicographic α-robust method which is a recently introduced method in literature is extended in the current research for Pareto solutions. The proposed method called Pareto lexicographic α-robust approach can define Pareto lexicographic α-robust solutions from different scenarios by considering multiple objectives simultaneously. A simple example and an application of the proposed method on a simple problem of multi objective optimization of simple assembly line balancing problem with task time uncertainty is presented to get their robust solutions. The presented method can be significant to implement on different multi objective robust optimization problems containing uncertainty.

关键词： Pareto lexicographic α-robust assembly line balancing

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先进控制方法在航天器上的应用：进展、挑战和未来发展 Review

Yong-chun XIE,Huang HUANG,Yong HU,Guo-qi ZHANG

《信息与电子工程前沿（英文）》 2016年第17卷第9期页码 841-861 doi: 10.1631/FITEE.1601063

摘要：概要：本文从工程师角度出发，对当前先进控制方法在航天器上的应用情况进行综述。本文没有从先进控制方法的理论研究入手，而是从工程实际出发，重点关注包括在轨试验、地面物理仿真实验以及基于在轨数据的仿真实验三类工程应用情况。本文的目的是向工程师们展示已获得实际应用的先进控制方法，而不是仅仅停留在理论研究阶段的方法。我们通过大量的文献调研发现，尽管当前先进控制理论和方法发展得非常迅速，但是绝大部分先进控制方法距离在航天器上实际应用还有较远的距离。目前，国内外发射的大量航天器中，只有屈指可数的极少数航天器采用了先进控制方法，其中H2/Hinfinity鲁棒控制主要用在弹性模态较为明显的航天器上，MARC等自适应控制方法主要用于处理模型不确定的情况，LQR主要用于对航天器性能进行优化。望从事航天器控制的工程师们通过本文的研究，可以对具有较强工程应用价值的先进控制方法有一个全面的认识；同时，也向理论研究者们提出了航天器实际的工程需求。

关键词：航天器控制；鲁棒控制自适应控制；最优控制

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Target-oriented robust optimization of a microgrid system investment model

Lanz UY, Patric UY, Jhoenson SIY, Anthony Shun Fung CHIU, Charlle SY

《能源前沿（英文）》 2018年第12卷第3期页码 440-455 doi: 10.1007/s11708-018-0563-1

摘要：

An emerging alternative solution to address energy shortage is the construction of a microgrid system. This paper develops a mixed-integer linear programming microgrid investment model considering multi-period and multi-objective investment setups. It further investigates the effects of uncertain demand by using a target-oriented robust optimization (TORO) approach. The model was validated and analyzed by subjecting it in different scenarios. As a result, it is seen that there are four factors that affect the decision of the model: cost, budget, carbon emissions, and useful life. Since the objective of the model is to maximize the net present value (NPV) of the system, the model would choose to prioritize the least cost among the different distribution energy resources (DER). The effects of load uncertainty was observed through the use of Monte Carlo simulation. As a result, the deterministic model shows a solution that might be too optimistic and might not be achievable in real life situations. Through the application of TORO, a profile of solutions is generated to serve as a guide to the investors in their decisions considering uncertain demand. The results show that pessimistic investors would have lower NPV targets since they would invest more in storage facilities, incurring more electricity stock out costs. On the contrary, an optimistic investor would tend to be aggressive in buying electricity generating equipment to meet most of the demand, however risking more storage stock out costs.

关键词： microgrid renewable resources robust optimization target-oriented robust optimization