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Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)最新文献

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On the design of feedback controllers for a convecting fluid flow via reduced order modeling 基于降阶建模的对流流体反馈控制器设计
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.801136
J. Burns, B. King, D. Rubio
{"title":"On the design of feedback controllers for a convecting fluid flow via reduced order modeling","authors":"J. Burns, B. King, D. Rubio","doi":"10.1109/CCA.1999.801136","DOIUrl":"https://doi.org/10.1109/CCA.1999.801136","url":null,"abstract":"We study the effect of model reduction strategies for actuator design and control of a thermal convection loop. The problem concerns flow through a thin pipe in which the Boussinesq approximation for Newtonian viscous flows is assumed.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121500110","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
Bayesian belief networks for fault identification in aircraft gas turbine engines 基于贝叶斯信念网络的航空燃气涡轮发动机故障识别
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.806140
T.A. Mast, A. Reed, S. Yurkovich, M. Ashby, S. Adibhatla
{"title":"Bayesian belief networks for fault identification in aircraft gas turbine engines","authors":"T.A. Mast, A. Reed, S. Yurkovich, M. Ashby, S. Adibhatla","doi":"10.1109/CCA.1999.806140","DOIUrl":"https://doi.org/10.1109/CCA.1999.806140","url":null,"abstract":"Describes the methodology for usage of Bayesian belief networks (BBNs) in fault detection for aircraft gas turbine engines. First, the basic theory of BBNs is discussed, followed by a discussion on the application of this theory to a specific engine. In particular, the selection of faults and the means by which operating regions for the BBN system are chosen are analyzed. This methodology is then illustrated using the GE CFM56-7 turbofan engine as an example.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128809703","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: 36
Reduced-order estimation of power system harmonics using set theory 基于集合理论的电力系统谐波降阶估计
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.807772
S. Andreon, E. Yaz, K. Olejniczak
{"title":"Reduced-order estimation of power system harmonics using set theory","authors":"S. Andreon, E. Yaz, K. Olejniczak","doi":"10.1109/CCA.1999.807772","DOIUrl":"https://doi.org/10.1109/CCA.1999.807772","url":null,"abstract":"In this work, we consider state estimation of harmonic signals with time-varying magnitudes. The presence of such signals has been increasing in electric power systems due to the increased use of power electronics circuits possessing nonlinear voltage vs. current characteristics. In this work, harmonic signals are modelled using ellipsoidal set-theoretic methods and an optimal reduced-order estimator, which has one-half the dimension of the state vector, is introduced for predicting the unknown time-varying harmonic magnitudes. The optimality is in the sense of minimizing both the sum of the lengths of the principal axes and the volume of the ellipsoid for estimation error. This new estimator is compared with a full-order set-theoretic estimator in an example where each frequency component has a randomly changing magnitude.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129199366","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
Impacts of enterprise wide supply-chain management techniques on process control 全企业供应链管理技术对过程控制的影响
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.806721
I. Tjoa, R. Raman, T. Itou, K. Fujita, Y. Natori
{"title":"Impacts of enterprise wide supply-chain management techniques on process control","authors":"I. Tjoa, R. Raman, T. Itou, K. Fujita, Y. Natori","doi":"10.1109/CCA.1999.806721","DOIUrl":"https://doi.org/10.1109/CCA.1999.806721","url":null,"abstract":"In an effort to continuously improving business productivity, companies are adopting new practices towards a continuous optimization of the total enterprise in the areas of business processes, supply chain and plant life cycle. This trend is supported with the enabling technology for integrated enterprise systems, such as enterprise resource planning (ERP) and supply chain management (SCM) systems. With an ERP system, various types of information can be accessed in one system which allows us to do work flow reengineering more effectively. The accessibility of information from the lower layer (process automation/control) system such as process data to the upper layer (enterprise) system such as business data is critical for establishing an effective SCM system. This system plays a critical role for linking the enterprise and the control systems in optimizing the enterprise performance. In a chemical industry, the range of feasible operation regions that is set for the SCM system to find the best operation policy will indirectly depend on the ability of the process control system to perform in the range of operation regions. One of the requirements for an efficient production network is the ability to adopt changes in production operations with greater flexibility. This requirement will put a challenge on the process control technology. Meeting this requirement will allow for greater feasible operation regions set in the SCM study. Here, we discuss the potential impacts of a new trend in enterprise wide SCM practices on process control system in a chemical plant operation.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133665550","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
Lyapunov recursive design of robust tracking control with L/sub 2/-gain performance for electrically-driven robot manipulators 电动机械臂L/sub /增益鲁棒跟踪控制的Lyapunov递归设计
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.807851
C. Ishii, S. Shen, Z. Qu
{"title":"Lyapunov recursive design of robust tracking control with L/sub 2/-gain performance for electrically-driven robot manipulators","authors":"C. Ishii, S. Shen, Z. Qu","doi":"10.1109/CCA.1999.807851","DOIUrl":"https://doi.org/10.1109/CCA.1999.807851","url":null,"abstract":"This paper develops a new Lyapunov recursive design for the robust tracking control problem of rigid-link electrically-driven robot manipulators with uncertainty. The novelty is in the strategy to construct such a Lyapunov function recursively that ensures not only stability of a tracking error system but also an L/sub 2/-gain constraint for the tracking performance.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122220538","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
Road friction estimation using adaptive observer with periodical /spl sigma/-modification 基于周期/spl σ /-修正自适应观测器的道路摩擦估计
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.806731
H. Nishira, T. Kawabe, Seiichi Shin
{"title":"Road friction estimation using adaptive observer with periodical /spl sigma/-modification","authors":"H. Nishira, T. Kawabe, Seiichi Shin","doi":"10.1109/CCA.1999.806731","DOIUrl":"https://doi.org/10.1109/CCA.1999.806731","url":null,"abstract":"We propose an adaptive observer for estimation of a road friction coefficient, which is important for vehicle control. The observer needs the driving torque and wheel speeds of the driven and non-driven wheels as inputs. The road friction coefficient is assumed to be represented by a product of a known function and an unknown parameter to be estimated by an adaptive law. It is shown that non-robust adaptive law can obtain the true value, if there are no disturbances. However, it diverges when disturbances are added. Periodical /spl sigma/-modification is proposed here as a robust adaptive law. The estimation robustness against disturbances can be improved with the law. Numerical simulation results are presented to show the effectiveness of the adaptive law.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116774156","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
Following control of a hard disk drive by using sampled-data H/sub /spl infin// control 通过使用采样数据H/sub /spl infin//控制来跟踪硬盘驱动器的控制
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.806173
M. Hirata, T. Atsumi, A. Murase, K. Nonami
{"title":"Following control of a hard disk drive by using sampled-data H/sub /spl infin// control","authors":"M. Hirata, T. Atsumi, A. Murase, K. Nonami","doi":"10.1109/CCA.1999.806173","DOIUrl":"https://doi.org/10.1109/CCA.1999.806173","url":null,"abstract":"In the head positioning control of hard disk drives, digital control is widely used. Therefore, if a small sampling period could be used, the performance obtained by the digital controller is not deteriorated compared with the one obtained by an analog controller. However, in hard disk systems, the sampling period cannot be chosen arbitrarily. Because it is determined by the another factor which is nothing to do with control requirements in most cases. We apply sampled-data H/sub /spl infin// control synthesis to the head positioning control of the hard disk drive. This method enable us to design a desirable digital controller directly by taking into account intersampling behaviors. Experimental results show that good following performances can be achieved by the long sampling period.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132687152","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: 24
Uncertain model and /spl mu/-synthesis of a magnetic bearing 磁轴承的不确定模型与/spl mu/-合成
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.806706
T. Namerikawa, M. Fujita
{"title":"Uncertain model and /spl mu/-synthesis of a magnetic bearing","authors":"T. Namerikawa, M. Fujita","doi":"10.1109/CCA.1999.806706","DOIUrl":"https://doi.org/10.1109/CCA.1999.806706","url":null,"abstract":"This paper deals with modeling, uncertain structure and /spl mu/-synthesis of magnetic bearings. The dynamics of magnetic bearing systems are characterized by their instability and complex dynamics of rotor and electromagnets, hence they should have a robustness for stability and performance against model uncertainties. First we derive a nominal mathematical model of the plant under some assumption, then consider the gap between the real physical system and the obtained nominal design model. This gap has complex structure which is expressed by the structured uncertainties that includes linearization error, parametric uncertainties, unmodeled dynamics, and gyroscopic effect. Then we set the interconnection structure which contains the above structurally represented uncertainties. Next we design a robust controller which achieves robust performance condition using the structured singular value /spl mu/. Finally, we evaluate the proposed interconnection structure and verify robustness of stability and performance of the designed /spl mu/ controller by several numerical simulations.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128179062","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
Stochastic perturbation analysis of computer control systems subject to electromagnetic disturbances 受电磁干扰的计算机控制系统的随机摄动分析
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.801244
W. Gray, O. González, M. Doğan
{"title":"Stochastic perturbation analysis of computer control systems subject to electromagnetic disturbances","authors":"W. Gray, O. González, M. Doğan","doi":"10.1109/CCA.1999.801244","DOIUrl":"https://doi.org/10.1109/CCA.1999.801244","url":null,"abstract":"High intensity electromagnetic radiation has been demonstrated to be a source of computer upsets in commercially available digital flight control systems. Thus, there is a strong need to investigate its effect on stability and performance. In the authors' previous works (1998, 1999), electromagnetic disturbances were modeled with a continuous-time Markovian exosystem generating disturbance events. To analyze the effect of these disturbances, the radiated system was modeled as a discrete-time jump linear system with an appropriate set of transition probability rates. The linear systems in this model were all deterministic, hence this method rendered a worst-case stability analysis. In this paper, the technique is generalized by allowing stochastic perturbations to be randomly introduced by the exosystem model. A preliminary stability theory is developed, and an example is presented to compare stability boundaries for radiation parameters using this model against the worst-case scenario.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132259278","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
Stop and go controller for adaptive cruise control 自适应巡航控制的走走停停控制器
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328) Pub Date : 1999-08-22 DOI: 10.1109/CCA.1999.801226
M. Persson, F. Botling, E. Hesslow, Rolf Johansson
{"title":"Stop and go controller for adaptive cruise control","authors":"M. Persson, F. Botling, E. Hesslow, Rolf Johansson","doi":"10.1109/CCA.1999.801226","DOIUrl":"https://doi.org/10.1109/CCA.1999.801226","url":null,"abstract":"In the field of vehicle control, conventional cruise control systems have been available on the market for many years. During the last years, modern cars include more and more electronic systems. These systems are often governed by a computer or a network of computers programmed with powerful software. One of those new services is adaptive cruise control (ACC) (or autonomous intelligent cruise control, AICC), which extends the conventional cruise control system to include automated car following when the preceding car is driving at a lower speed than the desired set-speed. The focus of ACC has mainly been directed towards high-speed highway application, but to improve the comfort to the driver also low-speed situations must be considered. The paper presents an ACC system that is capable of car following in low-speed situations, e.g. in suburban areas, as well as in high-speed situations. The system is implemented in a test car and the result is evaluated.","PeriodicalId":325193,"journal":{"name":"Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134310354","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: 66
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