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Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)最新文献

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Current, position, and shape control of tokamak plasmas: a literature review 托卡马克等离子体的电流、位置和形状控制:文献综述
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897455
R. Albanese, G. Ambrosino
{"title":"Current, position, and shape control of tokamak plasmas: a literature review","authors":"R. Albanese, G. Ambrosino","doi":"10.1109/CCA.2000.897455","DOIUrl":"https://doi.org/10.1109/CCA.2000.897455","url":null,"abstract":"We present a survey of the recent literature papers dealing with the problem of designing a feedback control system for controlling the position, current, and shape of a tokamak plasma. Because of the intrinsic distributed parameter nature of this system, its dynamics are described by a set of partial differential equations (PDE) that cannot be directly used for the controller design. Therefore, the progress of the plasma control during the last two decades has been determined, on the one hand, by the capacity of the process experts to generate more and more reliable ordinary differential equations (ODE) approximate models of these dynamics, and, on the other hand, by the ability of the control specialists to use these models as a basis for model-based control design. In this paper we present a survey of the various approximate models proposed in the literature, focusing on the simplifying assumptions adopted and the controllers proposed. Prior to the literature survey we give an introduction and illustrate a general form of the PDE describing the plasma dynamics.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133066883","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: 20
Continuous state-space modeling of switched electric networks 交换电网的连续状态空间建模
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897559
J. Jatskevich, O. Wasynczuk, E. Walters, C. E. Lucas
{"title":"Continuous state-space modeling of switched electric networks","authors":"J. Jatskevich, O. Wasynczuk, E. Walters, C. E. Lucas","doi":"10.1109/CCA.2000.897559","DOIUrl":"https://doi.org/10.1109/CCA.2000.897559","url":null,"abstract":"An automated state model generator (ASMG) is a tool for modeling and analysis of lumped-parameter power-electronic-based systems. In this modeling approach, the minimal state-space representation of the overall system is generated automatically and updated dynamically based upon the topological state of the system. However, due to the changing topology, simulation of a switched circuit using the ASMG requires the concatenation of solutions to the initial value problems (IVPs) corresponding to the time intervals between commutations. In this paper, a transformation of state variables is derived such that the states are continuous throughout the simulation process. This feature eliminates the need to re-initialize the ODE solver. The continuous state algorithm is verified on a high-pulse-count power supply and sets the stage for state-space averaging and system-level analysis of switched circuits.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"296 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134008989","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
Spacecraft attitude control in Hamiltonian framework 哈密顿框架下的航天器姿态控制
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897542
Rafal Wisniewski
{"title":"Spacecraft attitude control in Hamiltonian framework","authors":"Rafal Wisniewski","doi":"10.1109/CCA.2000.897542","DOIUrl":"https://doi.org/10.1109/CCA.2000.897542","url":null,"abstract":"The paper presents a design scheme for attitude control algorithms of a generic spacecraft. Along with the system model formulated in Hamilton's canonical form the algorithm uses information about a required potential energy and a dissipative term. The control action is the sum of the gradient of the potential energy and the dissipative force. It is shown that this control law makes the system uniformly and asymptotically stable to the desired reference point. Three problems are addressed in the paper: spacecraft stabilization in the inertial frame; libration damping with the use of electromagnetic coils; and a slew maneuver with an additional objective of avoiding undesirable regions, such as causing blindness to optical sensors.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122625139","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
Design of a normalized delayless LMS adaptive subband digital filter 一种归一化无延迟LMS自适应子带数字滤波器的设计
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897476
S. Tenqchen, M. Sun, Wu-Shiung Feng
{"title":"Design of a normalized delayless LMS adaptive subband digital filter","authors":"S. Tenqchen, M. Sun, Wu-Shiung Feng","doi":"10.1109/CCA.2000.897476","DOIUrl":"https://doi.org/10.1109/CCA.2000.897476","url":null,"abstract":"A new architecture is proposed for the normalized delayless least mean squares (NDLMS) adaptive subband filter. The proposed architecture is based on the hardware-efficient pipelined architecture for the LMS adaptive filter and subband methodology, and it can achieve good convergence characteristics, short latency and high throughput simultaneously without adaptation delays. In addition, it maintains the advantage of the normalised LMS, i.e., the step size assures that the convergence rate is determined automatically. Computer simulation results confirm that the proposed architecture achieves satisfied convergence rate identical to those of the normalised LMS in frequency-domain.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122852917","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
Variable structure control with time-varying boundary layer for robot manipulator 机械臂的时变边界层变结构控制
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897520
K. Limtanyakul
{"title":"Variable structure control with time-varying boundary layer for robot manipulator","authors":"K. Limtanyakul","doi":"10.1109/CCA.2000.897520","DOIUrl":"https://doi.org/10.1109/CCA.2000.897520","url":null,"abstract":"Variable structure control (VSC) with time-varying boundary layer for robot manipulator is proposed. Chattering is a common problem in VSC implementation. It is generally reduced using a boundary layer concept which has a trade-off between chattering and tracking error. Thus, it would be better if boundary layer can adapt itself to an appropriate value as proposed by Bekit et al. (1998). However, the method requires a linear parametrized model of robot which is difficult to find for multiple-joint robot arm. In this paper, time-varying boundary layer is developed so that the model is no longer needed. As shown in the simulation results, the proposed method can reduce chattering and still has a small error at steady state.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129205222","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
Mechatronic objects encapsulation in IEC 1131-3 norm 机电对象封装符合IEC 1131-3规范
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897493
Marcel lo Bonf
{"title":"Mechatronic objects encapsulation in IEC 1131-3 norm","authors":"Marcel lo Bonf","doi":"10.1109/CCA.2000.897493","DOIUrl":"https://doi.org/10.1109/CCA.2000.897493","url":null,"abstract":"The paper is concerned with the definition and use of \"mechatronic objects\" for the design of complex manufacturing systems such as large machinery. In particular the programming languages and structures defined under the IEC 1131-3 norm are considered regarding the software encapsulation of the mechanical system. The paper reports on a real application example of the proposed concepts showing the effectiveness of the object-oriented framework for industrial applications.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"430 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116000012","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
Pseudolinearing autopilot for a 6-DOF quasi-linear parameter varying missile model 六自由度准线性变参数导弹模型的伪线性自动驾驶仪
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897545
A. Tsourdos, B. White
{"title":"Pseudolinearing autopilot for a 6-DOF quasi-linear parameter varying missile model","authors":"A. Tsourdos, B. White","doi":"10.1109/CCA.2000.897545","DOIUrl":"https://doi.org/10.1109/CCA.2000.897545","url":null,"abstract":"A sideslip velocity autopilot is designed for the model of a tactical missile and robust stability of the closed-loop system investigated. The tail-controlled missile in the cruciform fin configuration is modelled as a six-order quasi-linear parameter-varying system. This nonlinear model is obtained from the Taylor linearised model of the lateral and longitudinal motions by including explicit dependence of the aerodynamic derivatives on a state and external parameters. The autopilot design is based on input-output pseudo-linearisation, which is the restriction of input-output feedback linearisation to the set of equilibria of the nonlinear model. The design makes Taylor linearisation of the closed-loop system independent of the choice of equilibria. Simulations for constant lateral acceleration demands show good tracking with fast response time. Parametric stability margins for uncertainty in the controller parameters and aerodynamic derivatives are analysed using quadratic Lyapunov approach.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"1075 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116024818","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 robust high performance three-phase uninterruptible power supply 一种坚固的高性能三相不间断电源
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897558
E. Carati, C. M. Richter, H. Grundling
{"title":"A robust high performance three-phase uninterruptible power supply","authors":"E. Carati, C. M. Richter, H. Grundling","doi":"10.1109/CCA.2000.897558","DOIUrl":"https://doi.org/10.1109/CCA.2000.897558","url":null,"abstract":"High power converters, such as three-phase inverters, usually operate at low frequencies due to the switching losses. Besides, modeling errors and non-linear loads with unmodeled dynamics can degrade the controller performance resulting in a poor transient response and instability. A robust model reference adaptive controller (RMRAC) for three-phase uninterruptible power supplies (UPS) is presented. The three-phase system model is rewritten, using a synchronous transformation in dq coordinates, and a RMRAC controller is used to assure system robustness and performance. Simulation and experimental results are used to show the closed-loop system robustness and performance under several operation conditions.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116422092","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: 11
Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors 用于消除交流永磁电机速度脉动的鲁棒二自由度调节器
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897416
W. Gan, L. Qiu
{"title":"Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors","authors":"W. Gan, L. Qiu","doi":"10.1109/CCA.2000.897416","DOIUrl":"https://doi.org/10.1109/CCA.2000.897416","url":null,"abstract":"A general AC permanent magnet (PM) motor control system consists of a motion controller, a current tracking amplifier, a feedback encoder and the motor itself. The motion controller generates two analog commands to the current tracking amplifier and the three phase currents are reproduced at the motor terminals. However, DC offsets are always present at the motor terminals due to the digital to analog converter offsets of the motion controller and the current sensor offsets of the current tracking amplifier. These current offsets generate sinusoidal torque disturbance and hence produce velocity ripples. Such a disturbance cannot be rejected by using a simple PI control. Furthermore, the current offsets drift with time and temperature so that an off-line compensation does not work satisfactorily. In this paper, a robust 2-DOF regulator containing the internal model of the sinusoidal disturbance is proposed to accomplish disturbance rejection and constant speed tracking.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117023393","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
Combination of data approaches to heuristic control and fault detection [heart assist devices] 启发式控制和故障检测的数据方法组合[心脏辅助装置]
Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162) Pub Date : 2000-09-25 DOI: 10.1109/CCA.2000.897406
J. Boston, L. Baloa, Dehou Liu, M. Simaan, S. Choi, J. Antaki
{"title":"Combination of data approaches to heuristic control and fault detection [heart assist devices]","authors":"J. Boston, L. Baloa, Dehou Liu, M. Simaan, S. Choi, J. Antaki","doi":"10.1109/CCA.2000.897406","DOIUrl":"https://doi.org/10.1109/CCA.2000.897406","url":null,"abstract":"Heart assist devices based on turbo-hydrodynamic methods of pumping are smaller, more efficient, and more reliable than the reciprocating, pulsatile methods used in current devices. However, they pose a more difficult control problem because the appropriate setpoint for the pump speed depends on preload and afterload, which vary with time. The pump should be run as fast as possible to maximize cardiac output, but ventricular suction can occur when the device attempts to pump more blood than is available. Suction must be detected quickly and the pump speed reduced before suction damages the heart. In many cases, control algorithms must rely on limited or no measurement of hemodynamic variables. We describe a method for suction detection and pump speed control based only on measurements of pump current, speed, and, when available, pump flow. Four heuristic indices that can detect suction are used, and the data are fused to decide whether suction is present If suction is present, speed is immediately reduced. If suction is not present, the indices are used as inputs to a fuzzy controller to adjust the pump speed so that the pump is operating just below the speed that induces suction. Data fusion techniques for suction detection based on Bayesian, fuzzy logic and Dempster-Shafer theory were evaluated. Fusion techniques based on fuzzy logic and Dempster-Shafer theory provide a measure of uncertainty in the fused result. This uncertainty measure can be used in the control process, and it can also be used to identify faults in pump operation.","PeriodicalId":108537,"journal":{"name":"Proceedings of the 2000. IEEE International Conference on Control Applications. Conference Proceedings (Cat. No.00CH37162)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115640010","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
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