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2007 IEEE International Conference on Control Applications最新文献

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Observer-based Fault Detection for Piecewise Linear Systems: Discrete-time Cases 基于观测器的分段线性系统故障检测:离散时间案例
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389259
Jun Xu, K. Lum, A. Loh
{"title":"Observer-based Fault Detection for Piecewise Linear Systems: Discrete-time Cases","authors":"Jun Xu, K. Lum, A. Loh","doi":"10.1109/CCA.2007.4389259","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389259","url":null,"abstract":"In this paper, we discuss the fault detection with unknown inputs for a class of discrete-time piecewise linear systems. Piecewise linear systems are mostly partitioned based on their state variables. Due to the system noise and estimation errors, the transitions of actual state and its estimate may not be synchronized, as well as the system modes. Motivated by the recent works [31], [29], [32], [30], [27], we consider the fault detection problem using non-synchronized observer and presents several less conservative design approaches.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126226167","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: 8
Look-Up Table Based Real-Time Commutation of 6-DOF Planar Actuators 基于查找表的六自由度平面作动器实时换相
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389384
J. D. Boeij, E. Lomonova, A. Vandenput
{"title":"Look-Up Table Based Real-Time Commutation of 6-DOF Planar Actuators","authors":"J. D. Boeij, E. Lomonova, A. Vandenput","doi":"10.1109/CCA.2007.4389384","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389384","url":null,"abstract":"Synchronous planar actuators with moving magnets, stationary coils and a 6-DOF magnetic suspension are complicated to control. It is not possible to decouple forces and torques by applying a sinusoidal commutation scheme as is common in regular synchronous AC motors. Several commutation methods are developed based on the coupling matrix, that links the current in each coil to the force and torque vector on the actuator. Accurately calculating this position varying coupling matrix in real-time while the actuator is moving, is critical in controlling the planar actuator. In this paper, a look-up table based method is proposed that uses several small look-up tables and symmetries in the design that allows accurate real-time calculation of the coupling matrix.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128057012","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: 9
Alignment Distance in Path Control 路径控制中的对准距离
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389443
N. Tran, B. Rohrer, S. Warnick
{"title":"Alignment Distance in Path Control","authors":"N. Tran, B. Rohrer, S. Warnick","doi":"10.1109/CCA.2007.4389443","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389443","url":null,"abstract":"In this paper we discuss alignment distance for measuring path deviation between curves. We compare properties of the alignment distance to both p-norms and the Haus-dorff distance to argue its superiority for use in path following problems. While problems of finding an optimal parameterization of a fixed input curve to a tracking system are not new, typical formulations focus on parameterizations that minimize transversal time while respecting certain system constraints; on-line governors can then be employed that choose a path velocity in real time, trading off computational complexity and time-optimality. By explicitly characterizing the error measure implicit in path control problems, we revisit the off-line, open loop parameterization problem to explore the inherit tradeoffs between command shape, command parameterization, and system dynamics. The utility of the alignment distance as a tool for elucidating these fundamental tradeoffs is demonstrated on a simple PD-controlled mass system.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121608686","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: 1
FIFO WiDOM: Timely control over wireless links 先进先出智能:及时控制无线链路
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389368
Viktor Leijon, P. Lindgren, Johan Eriksson
{"title":"FIFO WiDOM: Timely control over wireless links","authors":"Viktor Leijon, P. Lindgren, Johan Eriksson","doi":"10.1109/CCA.2007.4389368","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389368","url":null,"abstract":"We present the idea of scheduling a control network in a first-come first-serve manner, and demonstrate a way to implement this over a wireless link. This achieves realtime guarantees and tightly bounded jitter for control applications. Further, how to design systems using this network is discussed, and the benefits compared to a standard priority MAC protocol are examined through simulations and a prototype implementation. The prototype is implemented using the reactive Timber programming model on a lightweight 8-bit platform.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132376509","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: 4
Hybrid Nonlinear Model-Predictive Control of a Supermarket Refrigeration System 超市制冷系统的混合非线性模型预测控制
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389437
C. Sonntag, A. Devanathan, S. Engell, O. Stursberg
{"title":"Hybrid Nonlinear Model-Predictive Control of a Supermarket Refrigeration System","authors":"C. Sonntag, A. Devanathan, S. Engell, O. Stursberg","doi":"10.1109/CCA.2007.4389437","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389437","url":null,"abstract":"Supermarket refrigeration systems are of hybrid nature due to forced and autonomous switching of the continuous dynamics and the existence of discretely switched actuators such as valves and compressors. One of the main control goals for these systems is to keep temperature and pressure levels within tight bounds while minimizing the wear of the compressors. Since traditional control schemes leave much room for improvement, this paper presents a new nonlinear model-predictive control approach that is tailored specifically to supermarket refrigeration systems. To increase the computation time available to the nonlinear optimization step in every NMPC iteration, a low-level controller is designed which regulates the process on a short time scale. The high-level optimization task is reduced to the determination of optimal parameters for this controller. Simulation results for a hybrid process model demonstrate that the control scheme is capable of reducing the wear of the compressors compared to existing control schemes.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133345014","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: 27
Model Predictive Control of Unified Power Quality Conditioner for Power Quality Improvement 面向电能质量改善的统一电能质量调节器模型预测控制
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389350
K. H. Kwan, Yee Soon Png, Yun-Chung Qui, P. L. So
{"title":"Model Predictive Control of Unified Power Quality Conditioner for Power Quality Improvement","authors":"K. H. Kwan, Yee Soon Png, Yun-Chung Qui, P. L. So","doi":"10.1109/CCA.2007.4389350","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389350","url":null,"abstract":"This paper presents a model predictive control (MPC) design for the unified power quality conditioner (UPQC), an integration of series and shunt active filters to improve power quality in a power distribution system. The control strategy aims to regulate the load voltage and the source current to the desired references in spite of the existence of harmonic components in the supply voltage and the load current, possible sag or swell in the supply voltage, and non-unity power factor of the supply side. Kalman filters are used to extract the fundamental as well as the harmonic components abovementioned, which will then be used to formulate the desired references and regarded as measurable disturbances, respectively. Based on a state-space model developed for the UPQC, an MPC controller is designed. Simulation studies on a single-phase power distribution system are also presented to verify the performance.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128887026","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
Mould Pouring Control based on Absorption Capacity Identification 基于吸收能力识别的模具浇注控制
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389362
Mickael Biardeau, R. Boukezzoula, S. Galichet
{"title":"Mould Pouring Control based on Absorption Capacity Identification","authors":"Mickael Biardeau, R. Boukezzoula, S. Galichet","doi":"10.1109/CCA.2007.4389362","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389362","url":null,"abstract":"In foundries, automatic mould pouring control is often difficult to implement because of unknown process variability. The purpose of this paper is to address this problem by proposing a new control strategy based on the modeling of moulds into two subparts: cup and lower part. This decomposition makes it possible to identify the mould lower part dynamics -called \"absorption capacity\". This identification is then used to design an anticipative control strategy for the mould filling. With regard to other control techniques, the new developed approach makes the reduction of the number of parameters to be adjusted possible and thus improves control performances. The feasibility of the proposed methodology is experimentally validated with a real-time implementation.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114306355","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
A New Control Algorithm for Robot with Joint Flexibility 一种新的关节柔性机器人控制算法
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389237
P. Sauer, K. Kozlowski
{"title":"A New Control Algorithm for Robot with Joint Flexibility","authors":"P. Sauer, K. Kozlowski","doi":"10.1109/CCA.2007.4389237","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389237","url":null,"abstract":"This paper considers a new control algorithm for robot with elastic joints. The proposed algorithm requires only position signals measurements. This algorithm is an extension of the control algorithm proposed by Loria and Ortega in [10]. We have assumed that model in [10] has in addition dynamic friction components on both link and motor sides. We have incorporated harmonic drives into our system. We have developed for the proposed model of manipulator an adaptive version of the control algorithm based on Lyapunov stability theory. This algorithm ensures that the tracking error posses desirable convergence property: semiglobal convergence to an arbitrarily small neighbourhood of zero in the presence of bounded disturbance.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114451953","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
Adaptive Neural Network Control for Marine Shafting System Using Dynamic Surface Control 基于动态表面控制的船舶轴系自适应神经网络控制
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389317
P. Y. Tao, S. Ge, Tong-heng Lee
{"title":"Adaptive Neural Network Control for Marine Shafting System Using Dynamic Surface Control","authors":"P. Y. Tao, S. Ge, Tong-heng Lee","doi":"10.1109/CCA.2007.4389317","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389317","url":null,"abstract":"In this paper, we consider the problem of tracking a desired propeller shaft speed while simultaneously minimizing torsional vibrations within the shafting system, in the presence of parametric/functional uncertainties. Neural networks are utilized to compensate for the functional uncertainties in the system model. Under the proposed control, semiglobal uniform boundedness of the closed loop signals is guaranteed, and the number and size of neural networks required are significantly reduced.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114627788","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: 4
Fault Detection Observer Design in Low Frequency Domain 低频域故障检测观测器设计
2007 IEEE International Conference on Control Applications Pub Date : 2007-11-27 DOI: 10.1109/CCA.2007.4389360
Heng Wang, Guanghong Yang
{"title":"Fault Detection Observer Design in Low Frequency Domain","authors":"Heng Wang, Guanghong Yang","doi":"10.1109/CCA.2007.4389360","DOIUrl":"https://doi.org/10.1109/CCA.2007.4389360","url":null,"abstract":"This paper studies the H_/Hinfin fault detection problem in the low frequency domain with the aid of the recently developed generalized Kalman-Yakubovic-Popov (KYP) lemma, which gives an accurate characterization of the H_ index in the low frequency domain. The low frequency H_ index and another important performance index Hinfin norm are used to measure the low frequency fault and disturbance effects respectively, and an LMI-based method of designing fault detection observers is presented. An example of the VTOL aircraft is studied to illustrate the effectiveness of the proposed method.","PeriodicalId":176828,"journal":{"name":"2007 IEEE International Conference on Control Applications","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115044910","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: 26
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