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2010 11th International Workshop on Variable Structure Systems (VSS)最新文献

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Efficiency optimisation of an experimental PEM fuel cell system via Super Twisting control 基于超扭控制的质子交换膜燃料电池系统效率优化
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544677
C. Kunusch, P. Puleston, M. Mayosky, A. Dávila
{"title":"Efficiency optimisation of an experimental PEM fuel cell system via Super Twisting control","authors":"C. Kunusch, P. Puleston, M. Mayosky, A. Dávila","doi":"10.1109/VSS.2010.5544677","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544677","url":null,"abstract":"A robust control solution is proposed to solve the air supply control problem in autonomous polymer electrolyte membrane fuel cells (PEMFC) based systems. Different second order sliding mode (SOSM) controllers are designed using a model of a laboratory test fuel cell generation system. Very good simulation results are obtained using such algorithms, showing the suitability of the SOSM approach to PEMFC stack breathing control. Subsequently, for experimental validation, a controller based on one of the previously assessed SOSM algorithms, namely a Super Twisting, is successfully implemented in the laboratory test bench. Highly satisfactory results are obtained, regarding dynamic behaviour, regulation error and robustness to uncertainties and external disturbances.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117003774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Terminal sliding mode observer based parameter estimation method for permanent magnet synchronous motor control system 基于终端滑模观测器的永磁同步电机控制系统参数估计方法
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544736
Yong Feng, Liuping Wang
{"title":"Terminal sliding mode observer based parameter estimation method for permanent magnet synchronous motor control system","authors":"Yong Feng, Liuping Wang","doi":"10.1109/VSS.2010.5544736","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544736","url":null,"abstract":"This paper proposes an observer based method for estimating the mechanical parameters of permanent magnet synchronous motor (PMSM) used for complex mechanical systems. A terminal sliding mode observer is designed and the equivalent control principle is utilized to estimate the mechanical parameters of a motor system. The robustness of the estimation can be guaranteed using the sliding mode control technique. The stability of the terminal sliding mode estimator is analyzed. The experiments are carried out in a practical motor system to validate the proposed method. Although the PMSM motor is a linear-time invariant system, the proposed approach will be extended to estimation of linear-time varying or a nonlinear system in the next step of research.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114399187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Feedback reduced and canonical forms for piecewise linear systems 分段线性系统的反馈简化和规范形式
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544731
X. Puerta
{"title":"Feedback reduced and canonical forms for piecewise linear systems","authors":"X. Puerta","doi":"10.1109/VSS.2010.5544731","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544731","url":null,"abstract":"Given a switched linear system, we give a reduced form of its equations by means of a feedback and a change of variables. For bimodal piecewise linear systems, this reduced form leads to a canonical form in the sense that it gives a complete set of invariants. A characterization of controllability is given in terms of these invariants.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124575629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A sliding mode controlled three wheels narrow vehicle for two passengers 一种滑模控制的三轮窄车，可容纳两名乘客
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544669
N. Roqueiro, Enric Fossas Colet
{"title":"A sliding mode controlled three wheels narrow vehicle for two passengers","authors":"N. Roqueiro, Enric Fossas Colet","doi":"10.1109/VSS.2010.5544669","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544669","url":null,"abstract":"This paper reports a sliding mode controlled three wheels narrow vehicle for two passengers. The whole system is a two-input two-output, eight-teen order dynamical system. In a first and simple design, a set of parameters that achieve an acceptable system performance under perturbations could be selected. Results where validated by simulation. However, the performance shown in a wide range of simulations run allows us to expect analytic proofs will be possible.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130488121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Switched second order sliding mode for wheel slip control of road vehicles 道路车辆轮滑控制的切换二阶滑模
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544711
M. Tanelli, A. Ferrara, C. Vecchio
{"title":"Switched second order sliding mode for wheel slip control of road vehicles","authors":"M. Tanelli, A. Ferrara, C. Vecchio","doi":"10.1109/VSS.2010.5544711","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544711","url":null,"abstract":"Longitudinal wheel slip control is a crucial problem in automotive systems, as it it is the basis for traction, braking and stability control. As slip dynamics are critically dependent on the vehicle speed, it is interesting to devise an adaptation of the controller parameters with respect to this variable. To achieve this, the present paper proposes a novel switched second order sliding mode (S-SOSM) control strategy, which allows to enhance the closed-loop performance and tune it to the current working condition.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116494091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Attracting Ellipsoid Method application to designing of sliding mode controllers 吸引椭球法在滑模控制器设计中的应用
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544627
J. Dávila, A. Poznyak
{"title":"Attracting Ellipsoid Method application to designing of sliding mode controllers","authors":"J. Dávila, A. Poznyak","doi":"10.1109/VSS.2010.5544627","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544627","url":null,"abstract":"The Attracting Ellipsoid Method is applied for the design of sliding mode controllers for linear systems subjected to matched and unmatched perturbations. The existence of first order actuators is considered and their time constants are designed to provide quasi-optimal practical stability. The technique is based on the existence of an attracting (invariant) ellipsoid such that the convergence to a quasi-minimal region of the origin is guaranteed. The design procedure is given in terms of the solution of a set of Linear Matrix Inequalities. A benchmark example illustrating the design is given.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"33 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120996985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Nonlinear sliding mode high-gain observers for fault detection 用于故障检测的非线性滑模高增益观测器
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544708
K. Veluvolu, F. Zhe, Y. Soh
{"title":"Nonlinear sliding mode high-gain observers for fault detection","authors":"K. Veluvolu, F. Zhe, Y. Soh","doi":"10.1109/VSS.2010.5544708","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544708","url":null,"abstract":"A robust high gain observer for state and faults estimations for a special class of nonlinear systems is developed in this article. Ensuring the observability of the faults with respect to the outputs, the faults can be estimated from the sliding surface. Under a Lipschitz condition for the nonlinear part, the high gain observers are designed under some regularity assumptions. In the sliding mode, the convergence of the estimation error dynamics is proven similar to the analysis of high-gain observers.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129471304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Finite-time stabilization of an integrator chain using only signs of the state variables 只用状态变量符号的积分器链的有限时间镇定
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544675
Mikhail Kryachkov, A. Polyakov, V. Strygin
{"title":"Finite-time stabilization of an integrator chain using only signs of the state variables","authors":"Mikhail Kryachkov, A. Polyakov, V. Strygin","doi":"10.1109/VSS.2010.5544675","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544675","url":null,"abstract":"This paper considers the finite-time stabilization problem for an integrator chain in the context of uncertain measurement nonlinearities, such that the signs of the state variables are the only available information for feedback. The solutions of this problem are known for single, double, and triple integrators. The main result of the present paper is a higher-order sliding mode (HOSM) controller that stabilizes an integrator chain of arbitrary length. Computer simulations are provided to validate theoretical results.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133195692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Modeling variable structure systems as hybrid automata: From PWL Lorenz to PWL Chen 作为混合自动机的变结构系统建模:从Lorenz到Chen
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544681
J. G. Barajas-Ramírez, F. Cárdenas-Flores
{"title":"Modeling variable structure systems as hybrid automata: From PWL Lorenz to PWL Chen","authors":"J. G. Barajas-Ramírez, F. Cárdenas-Flores","doi":"10.1109/VSS.2010.5544681","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544681","url":null,"abstract":"We analyze and simulate variable structure systems (VSS) in the framework of hybrid automata (HA). VSS combine different vector fields with logical decisions to fully describe the dynamics of a given system. On the other hand, HA are computational models that permit the definition of a set of discrete locations, each with its own difference/differential description, which are related thought transitions given by a set of symbolic logic conditions. Therefore, is relatively straight forward to interpret VSS as HA. Taking this computational view of VSS, allows one to pose analysis, control and simulation problems in a different context, and provide alternative novel solutions. As an illustration of the potential applicability of HA to the analysis of VSS, in this contribution we synthesize a HA to represent a parameterized PWL chaotic system that bridges the gap between the PWL Lorenz and PWL Chen systems. Our main contribution, consists on the symbolic analysis and classification of different attractors produced by the PWL chaotic system. Our results, further illustrates the relation between the different components of the so-called generalized PWL Lorenz family of chaotic attractors, and can prove to be significant in the study of chaos in VSS. The resulting HA are simulated by means of the open source program Ptolemy II ©.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132141584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two relay based control for orbital stabilization of inertia wheel pendulum—The bounded input case 基于双继电器的惯性轮摆轨道稳定控制——有界输入情况
2010 11th International Workshop on Variable Structure Systems (VSS) Pub Date : 2010-06-26 DOI: 10.1109/VSS.2010.5544680
Victor Juarez Luna, L. Aguilar
{"title":"Two relay based control for orbital stabilization of inertia wheel pendulum—The bounded input case","authors":"Victor Juarez Luna, L. Aguilar","doi":"10.1109/VSS.2010.5544680","DOIUrl":"https://doi.org/10.1109/VSS.2010.5544680","url":null,"abstract":"We study the orbital stabilization problem of an inertia wheel pendulum (IWP) where a two-relay controller will be used to induce oscillations at the pendulum. The main focus of the paper is the consideration of the viscous friction force and saturation of the actuator. A two relay controller produces oscillations at the scalar output of the plant where the desired amplitude and frequency are reached by choosing its gains but now we consider the bounded input restriction in the design. Condition in frequency and amplitude will be explicitly given leading to permissible controller parameter design. Performance issues of the controller constructed are illustrated in an experimental study.","PeriodicalId":407705,"journal":{"name":"2010 11th International Workshop on Variable Structure Systems (VSS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131505021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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