IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting最新文献

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Dual excitation multiphase electrostatic drive 双激励多相静电驱动
T. Niino, T. Higuchi, S. Egawa
{"title":"Dual excitation multiphase electrostatic drive","authors":"T. Niino, T. Higuchi, S. Egawa","doi":"10.1109/IAS.1995.530454","DOIUrl":"https://doi.org/10.1109/IAS.1995.530454","url":null,"abstract":"A novel electrostatic drive technology, named the dual excitation multiphase electrostatic drive (DEMED) is presented. A basic DEMED consists of two plastic films in which three-phase parallel electrodes are embedded and is driven by three-phase AC excitation to the electrodes. Static characteristics of DEMED are calculated and tested and the results agree very well. Three prototype motors of DEMED are fabricated using commercially available techniques. The first prototype consists of a single slider and stator and generates a linear motion with a slider motion range of about 5 mm. It weighs 7 g and generates a power of 1.6 W and a thrust force of 4.4 N. The second prototype consists of a 50 layer stack of linear motors, summing their outputs. It weighs 3.6 kg and generates a propulsive force of 310 N being powered with boosted commercial three-phase electricity. The third prototype consists of a rotor and a stator in which electrodes are arranged radially and generate rotational motion. A maximum power of 3.6 mW was generated by the prototype weighing only 260 mg for its rotor and stator. From the results of the numerical calculation, a practical design methodology for the motor is determined. An optimal design for a motor employing currently available material and fabrication techniques is provided as an example. Analyses predict that force generation over the interfacial area between the slider and stator of this motor would be 3900 N/m/sup 2/.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131401275","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: 57
A current-source inverter fed induction motor drive system with reduced losses 一种电流源型逆变器馈电感应电机驱动系统
J. Espinoza, G. Joós
{"title":"A current-source inverter fed induction motor drive system with reduced losses","authors":"J. Espinoza, G. Joós","doi":"10.1109/IAS.1995.530282","DOIUrl":"https://doi.org/10.1109/IAS.1995.530282","url":null,"abstract":"Standard low and medium induction power motor drives are based on the PWM voltage source inverter (VSI) fed from a diode rectifier. The dual topology, based on the current source inverter/rectifier structure is used in medium and high power applications. This paper addresses some of the drawbacks of this approach compared to the voltage source approach. The proposed drive features: (a) an on-line operated PWM inverter, using instantaneous output capacitor voltage control based on space vector modulation; (b) a line-synchronized PWM rectifier, with DC bus current control; and (c) an additional inverter modulation index control loop, ensuring a constant inverter modulation index. The resulting advantages include: (a) ruggedness and inherent continuous regeneration capability; (b) near unity global input power factor; (c) reduced motor voltage distortion; (d) reduced DC bus inductor and switch conduction losses; (e) fast motor dynamic response; and (f) elimination of motor circuit resonances. Simulated and experimental results based on a DSP implementation are given.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"271 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131412936","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: 106
Hardware software system design of a generic embedded controller for industrial applications 工业通用嵌入式控制器的硬件软件系统设计
J. P. Agrawal, E. Bouktache, O. Farook, C. Sekhar
{"title":"Hardware software system design of a generic embedded controller for industrial applications","authors":"J. P. Agrawal, E. Bouktache, O. Farook, C. Sekhar","doi":"10.1109/IAS.1995.530540","DOIUrl":"https://doi.org/10.1109/IAS.1995.530540","url":null,"abstract":"The paper deals with system design of an industrial controller with an embedded microcontroller. The controller's application could be customized for any specific needs. The paper dwells on the system's architecture, system hardware design and the customized software design relevant to the controller's functionality. The paper illustrates the customization of the generic controller for a specific task. The system monitors ambient temperature and then registers it on the LCD display. The system annunciates the ambient temperature in a synthesized voice. The paper demonstrates how the customized functionality is achieved in software and then ported into the controller. The systems software is designed through a program written in C language with embedded assembly language as and when needed. This software development methodology provides a structured programming environment which leads to modularity and lends portability to the code.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115325214","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
Comparison of swept frequency and phase shift control for forced commutated series resonant induction heating converters 强制整流串联谐振式感应加热变换器扫频与移相控制的比较
H.W. Koertzen, J. V. van Wyk, J. Ferreira
{"title":"Comparison of swept frequency and phase shift control for forced commutated series resonant induction heating converters","authors":"H.W. Koertzen, J. V. van Wyk, J. Ferreira","doi":"10.1109/IAS.1995.530551","DOIUrl":"https://doi.org/10.1109/IAS.1995.530551","url":null,"abstract":"The choice of a circuit topology and switching strategy for a specific induction heating application will to a large extent depend on the requirements for the application and the variation in the parameters of the load during heating. In this paper the forced commutated swept frequency and the forced commutated phase shift control switching strategies for the voltage fed, full-bridge, series resonant circuit topology are compared. This is done by means of a case study for a constant load current control loop and the results are obtained with an analytical model. The phase shift control switching strategy proved to be more efficient regarding semiconductor ratings.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115353954","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
High-performance automotive engine control in engine tester 高性能汽车发动机测试控制
M. Hori, M. Suzuki, M. Nomura, M. Terashima
{"title":"High-performance automotive engine control in engine tester","authors":"M. Hori, M. Suzuki, M. Nomura, M. Terashima","doi":"10.1109/IAS.1995.530491","DOIUrl":"https://doi.org/10.1109/IAS.1995.530491","url":null,"abstract":"This paper presents a novel decoupling control method on the engine torque control for the automotive engine tester. The engine tester is mainly composed of a dynamometer control system and an engine control system. The conventional engine tester has the problem that the performance of the engine torque control system is deteriorated by the influences of the interference between the dynamometer speed control system and the engine torque control system. The authors proposed the practical engine torque control system based on an observer and an identification system to eliminate the inference of dynamometer speed control system. The effect of observer's parameters error on the engine torque estimation response was analyzed. According to the result of this analysis, a practical method is proposed to identify the engine inertia moment and the shaft spring coefficient that are parameters of the observer. The authors confirmed that the proposed decoupling engine torque control system realized a robust control system from the interference with the dynamometer speed control system through simulation and experiments.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124183484","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
Analysis and performance of a current regulated AC parallel-resonant voltage-source inverter 一种电流调节交流并联谐振电压源逆变器的分析与性能
A. Kotsopoulos, D. G. Holmes
{"title":"Analysis and performance of a current regulated AC parallel-resonant voltage-source inverter","authors":"A. Kotsopoulos, D. G. Holmes","doi":"10.1109/IAS.1995.530605","DOIUrl":"https://doi.org/10.1109/IAS.1995.530605","url":null,"abstract":"In this paper an alternative resonant inverter topology is investigated which uses a conventional voltage-source inverter structure, with parallel-resonant components on the phase-leg outputs to achieve zero-current switching. A major advantage of this approach is reduced device voltage stresses compared with other resonant converter topologies, and reduced dv/dt on the phase leg output compared to a conventional voltage-source inverter. Furthermore, when controlled by a closed-loop discrete-pulse modulation strategy, the inverter can produce smooth sinusoidal output current, and is capable of 4-quadrant operation, with regeneration back into the DC supply.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124207642","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
A 3-phase buck-boost converter for lowering the input current distortion of a voltage source-inverter drive 一种用于降低电压源-逆变器驱动的输入电流畸变的三相降压-升压变换器
J. Salmon, S. Olsen, E. Nowicki
{"title":"A 3-phase buck-boost converter for lowering the input current distortion of a voltage source-inverter drive","authors":"J. Salmon, S. Olsen, E. Nowicki","doi":"10.1109/IAS.1995.530618","DOIUrl":"https://doi.org/10.1109/IAS.1995.530618","url":null,"abstract":"This paper presents a three-phase buck-boost switchmode power converter that lowers the input harmonics drawn by a voltage source PWM inverter drive. The buck-boost power converter examined, rated with a 0.26 per-unit current and drawing 6% of the total drive input power, is connected in parallel with the drive's main diode bridge and LC filter. 94% of the drive power is drawn through the diode rectifier. The low electrical stresses associated with the buck-boost power converter, in addition to the small number of high frequency switching components, makes the drive topology robust, conducive to soft-switching techniques and lowers the generation of EMI-RFI. The rectifier topologies are suitable for regulating the DC voltage rails for 2-level and 3-level inverters. For 3-level inverter drives using a centre-tapped capacitor DC-rail, the proposed rectifiers can compensate for load imbalances and maintain equal voltage drops across the two DC-rails. Since the buck-boost switchmode power converter is separate from the main drive diode rectifier, the drive can continue to operate satisfactorily even if the buck-boost converter fails. This same feature makes the buck-boost converter unit suitable as a drive option or for retrofitting. The drive configurations examined in the paper are verified with experimental results and Spice simulations.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114459841","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
A new high speed digital motor controller for increasing the packaging speed of a Tiromat machine 一种新的高速数字电机控制器,用于提高Tiromat机器的包装速度
A. Hossain, S. Suyut
{"title":"A new high speed digital motor controller for increasing the packaging speed of a Tiromat machine","authors":"A. Hossain, S. Suyut","doi":"10.1109/IAS.1995.530492","DOIUrl":"https://doi.org/10.1109/IAS.1995.530492","url":null,"abstract":"In the packaging industry the speed of packaging machines is a major factor in determining the quantity of packaged product being produced. For meat and pharmaceutical packaging there are several manufacturers who make packaging machine of various speed. The speed of a standard Tiromat 430 and 560 machine is between 8 to 10 cycle per minute. For product, such as beef jerky and pharmaceutical tablets, operating the packaging machine at higher speed is an advantage because it increases the overall productivity of the machinery. We have designed and fabricated a digital controller system that will increase the speed of the Tiromat machines from 8 to 22 cycles per minute. The performance of the machine has been tested and found to have a significant enhancement in speed compared to a standard Tiromat machine.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114762915","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
Improved constant-frequency hysteresis current control of VSI inverters with simple feed-forward bandwidth prediction 基于简单前馈带宽预测的VSI逆变器恒频滞后电流控制改进
L. Malesani, Paolo Mattavelli, P. Tomasin
{"title":"Improved constant-frequency hysteresis current control of VSI inverters with simple feed-forward bandwidth prediction","authors":"L. Malesani, Paolo Mattavelli, P. Tomasin","doi":"10.1109/IAS.1995.530638","DOIUrl":"https://doi.org/10.1109/IAS.1995.530638","url":null,"abstract":"An improved implementation of the constant-frequency hysteresis current control of three-phase voltage source inverters is presented. A simple, self adjusting analog prediction of the hysteresis band is added to the phase-locked-loop control to ensure constant switching frequency even at high rate of output voltage change, such as required in active filters, fast drives and in other high demanding applications. This provision also improves the relative position of phase modulation pulses, thus reducing the current ripple. The prediction method is robust and uses a small number of inexpensive components. It does not require trimming or tunings, giving the whole system the capability to adjust itself to different load conditions. Thus the control becomes suitable to hybrid or monolithic integration. In the paper, the basic principles are described, and a detailed stability analysis is done. The control performance is illustrated both by simulated and experimental results.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116897218","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: 175
Performance assessment of advanced process control algorithms using an interacting tank system 使用交互油箱系统的先进过程控制算法的性能评估
F. G. Jota, A. R. Braga, R. T. Pena
{"title":"Performance assessment of advanced process control algorithms using an interacting tank system","authors":"F. G. Jota, A. R. Braga, R. T. Pena","doi":"10.1109/IAS.1995.530490","DOIUrl":"https://doi.org/10.1109/IAS.1995.530490","url":null,"abstract":"The paper describes a controller performance assessment (CPA) method. The method is applied to evaluate advanced process control strategies using an interacting tank system (ITS). Since this plant has been specially designed with characteristics and problems inherent to the actual process industry environment, it is a test-bed with the necessary creditability for one to draw conclusions about controller performances. The CPA method aims at accomplishing the performance assessment of a control system, running on line, in real time. It is based on measurements of the control signal, the output signal and the error signal. The performance evaluation is centered on the system users' views. The users considered are: the system manager, the system operator and the control engineer. The method allows the development of comparative studies of the controllers' performances. The paper presents such studies for the following SISO controllers in a multi-loop strategy: generalized minimum variance (GMV), generalized predictive controller (GPC) and a fixed parameter PID. The performances' comparative studies for a MIMO-GMV and a multivariable fuzzy controllers are also presented.","PeriodicalId":117576,"journal":{"name":"IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117071116","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
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