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Proceedings of 1994 American Control Conference - ACC '94最新文献

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Full-order H/sub /spl infin// compensator design for nonstandard problems 非标准问题的全阶H/sub /spl输入//补偿器设计
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 2002-08-06 DOI: 10.1109/ACC.1994.752318
C. Hsu, Xianggang Yu
{"title":"Full-order H/sub /spl infin// compensator design for nonstandard problems","authors":"C. Hsu, Xianggang Yu","doi":"10.1109/ACC.1994.752318","DOIUrl":"https://doi.org/10.1109/ACC.1994.752318","url":null,"abstract":"This paper presents full-order H/sub /spl infin// compensator design methods for four different nonstandard cases. These design methods are developed based on the bounded real lemma, and the resultant design algorithms are two Riccati inequalities which are not mutually coupled.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129286928","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
Advanced nonlinear engine speed control systems 先进的非线性发动机转速控制系统
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 2002-08-06 DOI: 10.1109/ACC.1994.752335
T. Vesterholm, E. Hendricks
{"title":"Advanced nonlinear engine speed control systems","authors":"T. Vesterholm, E. Hendricks","doi":"10.1109/ACC.1994.752335","DOIUrl":"https://doi.org/10.1109/ACC.1994.752335","url":null,"abstract":"Several subsidiary control problems have turned out to be important for improving driveability and fuel consumption in modern spark ignition (SI) engine cars. Among these are idle speed control and cruise control. In this paper the idle speed and cruise control problems will be treated as one: accurately tracking of a desired engine speed in the presence of model uncertainties and severe load disturbances. This is accomplished by using advanced nonlinear control techniques such as input/output-linearization and sliding mode control. These techniques take advantage of a nonlinear model of the engine dynamics, a mean value engine model.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129862428","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: 50
On the optimizing-adaptive control problem 关于优化自适应控制问题
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.752460
P.Y. Li, R. Horowitz
{"title":"On the optimizing-adaptive control problem","authors":"P.Y. Li, R. Horowitz","doi":"10.1109/ACC.1994.752460","DOIUrl":"https://doi.org/10.1109/ACC.1994.752460","url":null,"abstract":"The optimizing-adaptive control problem arises in applications where the desired behavior is not specified explicitly, but instead, an objective function of the plant behavior and the unknown plant itself is to be optimized. In these cases, the control task involves the explicit determination of the optimal behavior and the control action to achieve that behavior. The difficulty with this problem is that it involves a conflict between identification and optimisation on the one hand, and control on the other. In this paper, we study this problem in the context of the intelligent exercise machine application. We propose two related excitation supervisors which switch between an excitation phase and a control phase, based on an internally generated optimality error signal.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114285174","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
Rule-based controller design algorithm for discrete event manufacturing systems 离散事件制造系统基于规则的控制器设计算法
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.751746
O. Pastravanu, A. Gurel, H.-H. Huang, F. Lewis
{"title":"Rule-based controller design algorithm for discrete event manufacturing systems","authors":"O. Pastravanu, A. Gurel, H.-H. Huang, F. Lewis","doi":"10.1109/ACC.1994.751746","DOIUrl":"https://doi.org/10.1109/ACC.1994.751746","url":null,"abstract":"A modern system theory point of view is offered for the design of sequencing controllers for discrete event manufacturing systems, whereby the controller is considered as separate from the workcell. The controller has a rule-based structure with inner loops where no shared-resource conflict resolution is required, and extra control inputs in an outer loop to resolve conflict and remove deadlock (where needed). The controller design is based on the required task sequence and the available resources; it is described by linear (i.e. matrix) and nonlinear logical equations. The controller-workcell interaction expressed both in qualitative and quantitative terms supports a rigorous analysis of conflicts and deadlock. Three methods for conflict and deadlock resolution related to current work are efficiently incorporated in the general design framework. The design algorithm naturally accommodates a performance analysis in terms of the (R,max,+) representation as a consequence of the link established between that approach and the rule-based controller equations. Compatibility with other analysis/design techniques is briefly addressed.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123866147","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: 18
Performance of active automotive suspensions with hydraulic actuators: theory and experiment 采用液压作动器的汽车主动悬架性能:理论与实验
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.752251
R. Rajamani, J. Hedrick
{"title":"Performance of active automotive suspensions with hydraulic actuators: theory and experiment","authors":"R. Rajamani, J. Hedrick","doi":"10.1109/ACC.1994.752251","DOIUrl":"https://doi.org/10.1109/ACC.1994.752251","url":null,"abstract":"This paper makes an objective analysis of the performance obtained when using a hydraulic actuator as a variable force element in the active suspension system of an automobile. A nonlinear control method is used in an attempt to provide classical \"sky-hook\" damping. Experimental and simulation results obtained with the use of a standard hydraulic actuator are presented. The use of the actuator results in significant overall improvement in ride quality with an acceleration reduction of as much as 50% compared to an ordinary passive shock absorber at the sprung mass natural frequency. The suspension deflection performance is also improved but the tire deflection performance is somewhat worse than the passive at frequencies close to the unsprung mass natural frequency. This is because the active controller fails to track the \"sky-hook\" damping force accurately at high frequencies. The cause of this failure is investigated. A theoretical analysis of the actuator dynamics are made and changes in actuator parameters for this specific application are suggested.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128723125","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: 33
Best achievable low order decentralized performance 可实现的最佳低阶分散性能
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.735199
D. Sourlas, T. Edgar, V. Manousiouthakis
{"title":"Best achievable low order decentralized performance","authors":"D. Sourlas, T. Edgar, V. Manousiouthakis","doi":"10.1109/ACC.1994.735199","DOIUrl":"https://doi.org/10.1109/ACC.1994.735199","url":null,"abstract":"The fixed order decentralized performance problem is formulated as a quadratically constrained control problem in terms of a stable map and the degrees of freedom of the controller. This problem is of the same type as the decentralized and/or simultaneous performance problems that have been discussed in our earlier work (1993), thus the same truncation-based solution procedure can be employed. The proposed approach is demonstrated through an example where the optimal parameter setting for decentralized P and PI control are identified.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116641564","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
Fuzzy evaluation and expert system in classical control system design 经典控制系统设计中的模糊评价与专家系统
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.751940
Chi-Hsu Wang, Wei-Yen Wang, Tsu-Tian Lee
{"title":"Fuzzy evaluation and expert system in classical control system design","authors":"Chi-Hsu Wang, Wei-Yen Wang, Tsu-Tian Lee","doi":"10.1109/ACC.1994.751940","DOIUrl":"https://doi.org/10.1109/ACC.1994.751940","url":null,"abstract":"The purpose of this paper is to develop an expert system for control system design (ESCSD), with a unique set of fuzzy evaluation rules. The authors' investigation not only uses expert systems for control system design but also proposes a practical way to use a unique set of fuzzy evaluation rules to suggest a better design method for a given plant. A set of fuzzy evaluation rules extracted from four classical design procedures is proposed. It focuses on how to predict the results of design methods. The authors deem the fuzzy evaluation rules are predicting tools of an expert system. It is also shown in this paper that the set of fuzzy evaluation rules has been successfully integrated with ESCSD. Several examples are illustrated which show the agreeable result obtained from ESCSD.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123937667","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
The white, ergodic, and jointly Gaussian signals generated by a simple chaotic system 由简单混沌系统产生的白色、遍历和联合高斯信号
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.752314
Bing-Fei Wu
{"title":"The white, ergodic, and jointly Gaussian signals generated by a simple chaotic system","authors":"Bing-Fei Wu","doi":"10.1109/ACC.1994.752314","DOIUrl":"https://doi.org/10.1109/ACC.1994.752314","url":null,"abstract":"A piecewise chaotic map, which has uniform invariant measure, can be used to generate a white noise and, by Perron-Frobenius equation, the invariant measure can be transformed to any kind of invariant measure by homeomorphism. Therefore, a Gaussian-like white noise can be implemented easily by famous chaotic piecewise maps as a white noise random number generator in computer. Moreover, given a correlation coefficient, white, ergodic and jointly Gaussian signals can be generated by computer. An approach to create these signals is also presented.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127258406","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
A neural network approach to electromyographic signal processing for a motor control task 运动控制任务中肌电信号处理的神经网络方法
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.735018
W. T. Lester, B. Fernandez, R. Gonzalez, R. E. Barr
{"title":"A neural network approach to electromyographic signal processing for a motor control task","authors":"W. T. Lester, B. Fernandez, R. Gonzalez, R. E. Barr","doi":"10.1109/ACC.1994.735018","DOIUrl":"https://doi.org/10.1109/ACC.1994.735018","url":null,"abstract":"The authors propose a novel signal processing technique employing both neural networks and classical signal processing methods to effectively map the surface electrical signal concomitant with muscle contraction (EMG) to human muscle activation. With a computational musculoskeletal model it is shown that these predicted muscle activations, accurately estimate joint torque for various ballistic flexion exercises. Through the systems ability to generalize across exercise trials and predict a classic ballistic triphasic activation pattern, a hybrid musculoskeletal system may be able to accurately and reliably model extremely complex physiological systems with clinical implications.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130443067","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
A systematic formulation and simulation of the dynamic model for bridge vibration control 系统地建立了桥梁振动控制动力学模型并进行了仿真
Proceedings of 1994 American Control Conference - ACC '94 Pub Date : 1994-12-01 DOI: 10.1109/ACC.1994.752309
J. Lin, J. Yu, F. L. Lewis, T. Huang
{"title":"A systematic formulation and simulation of the dynamic model for bridge vibration control","authors":"J. Lin, J. Yu, F. L. Lewis, T. Huang","doi":"10.1109/ACC.1994.752309","DOIUrl":"https://doi.org/10.1109/ACC.1994.752309","url":null,"abstract":"The objective of this paper is to propose a reasonable dynamic model of the bridge system for vibration control design. The bridge system is an elastic beam subjected to a moving vehicle. The system includes both spring and link flexibility, and is akin to a flexible-link robot arm with joint flexibility. Some dynamic computer simulation results (i.e. time histories) are presented in the paper. The broad range of problems discussed in this paper will be found useful in civil engineering as well as in mechanical, transport, marine, aviation, and astronautical engineering, for vibratory systems with moving loads.","PeriodicalId":147838,"journal":{"name":"Proceedings of 1994 American Control Conference - ACC '94","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114538120","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
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