ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)最新文献

Hybrid position/force control of a mobile manipulator based on cooperative task sharing 基于协同任务共享的移动机械臂位置/力混合控制

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-12-01 DOI: 10.1109/ISIE.1999.801773

Y. Umeda, D. Nakamura, Toshiyuki Murakami, Kouhei Ohnishi

引用次数: 19

Harmonics filtering and detection of disturbances using wavelets 谐波滤波与小波干扰检测

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-12-01 DOI: 10.1109/ISIE.1999.796861

A. F. Alves, P. D. da Costa, J.R.P. Fraga, F.A.C. Pires

{"title":"Harmonics filtering and detection of disturbances using wavelets","authors":"A. F. Alves, P. D. da Costa, J.R.P. Fraga, F.A.C. Pires","doi":"10.1109/ISIE.1999.796861","DOIUrl":"https://doi.org/10.1109/ISIE.1999.796861","url":null,"abstract":"Traditional mathematical tools, like Fourier analysis, have proven to be efficient when analyzing steady-state distortions; however, the growing utilization of electronically controlled loads and the generation of a new dynamic in industrial environments signals have suggested the need of a powerful tool to perform the analysis of nonstationary distortions, overcoming limitations of frequency techniques. Wavelet theory provides a new approach to harmonic analysis, focusing the decomposition of a signal into nonsinusoidal components, which are translated and scaled in time, generating a time-frequency basis. The correct choice of the waveshape to be used in decomposition is very important and discussed in this work, a brief theoretical introduction on wavelet transform is presented and some cases (practical and simulated) are discussed. Distortions commonly found in industrial environments, such as the current waveform of a switched-mode power supply and the input phase voltage waveform of motor fed by an inverter are analyzed using wavelet theory. Applications such as extracting the fundamental frequency of a nonsinusoidal current signal, or using the ability of compact representation to detect nonrepetitive disturbances are presented.","PeriodicalId":227402,"journal":{"name":"ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125149501","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 method for obtaining reference currents of shunt active power filters in unbalanced and non-sinusoidal conditions 提出了一种在非平衡和非正弦条件下获取并联有源滤波器参考电流的新控制方法

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.798721

A. Abellán, G. Garcerá, M. Benavent

{"title":"A new control method for obtaining reference currents of shunt active power filters in unbalanced and non-sinusoidal conditions","authors":"A. Abellán, G. Garcerá, M. Benavent","doi":"10.1109/ISIE.1999.798721","DOIUrl":"https://doi.org/10.1109/ISIE.1999.798721","url":null,"abstract":"Shunt active power filters are used to eliminate the current harmonics and to improve the power factor in systems with nonlinear loads. At the present time, different methods exist to control active power filters. Some of them are based on instantaneous reactive power theory and others are based on the synchronous reference frame using Park's transformation. The purpose of this paper is to present a new control method of shunt active power filters in unbalanced systems, both in load currents and in AC supply voltage, with a high contents of harmonics. The method is based on the time-domain analysis carried out by P. Filipski (1980). With this control method, one can make that the set formed by the nonlinear load and the shunt power filter behaves every time like a resistance, UPF (with unity power factor), or that the current absorbed by the set is perfectly sinusoidal, by simply acting on a switch. The system has been simulated for different load and line conditions. Waveforms of the line currents are shown, with their harmonic distortion contents.","PeriodicalId":227402,"journal":{"name":"ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115367124","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: 23

Image processing system for PC through the enhanced parallel port 图像处理系统为PC机通过增强型并口

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.796865

J.L. Martin, J. Ezquerra, P. Ibanez

引用次数: 0

Ripple compensation of harmonic drive built-in torque sensing 脉动补偿谐波驱动内置扭矩传感

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.798731

I. Godler, T. Ninomiya, M. Horiuchi, M. Hashimoto

{"title":"Ripple compensation of harmonic drive built-in torque sensing","authors":"I. Godler, T. Ninomiya, M. Horiuchi, M. Hashimoto","doi":"10.1109/ISIE.1999.798731","DOIUrl":"https://doi.org/10.1109/ISIE.1999.798731","url":null,"abstract":"Built-in torque sensing in Harmonic Drives enables torque sensing without assembling additional torque sensors into mechanisms where Harmonic Drives are already present. The sensing principle has been known for about ten years, but it is not widely utilized yet, mainly because of a relatively high ripple signal in the sensing output, generated by the gear operation. Ripple is difficult to be compensated due to inaccuracies of the strain gages positioning and in geometrical properties of the gear and its assembly. Increased number of applied strain gages reduces the ripple, but does not eliminate it. In this paper, the authors present a new method to effectively compensate the ripple, it is based on a periodic characteristic of the ripple signal itself and proposes use of separate amplifiers for each of the signals from the strain gages. Gains of the amplifiers are tuned so that the ripple signal is compensated. A mathematical model of the ripple signal, and a method to calculate the tuned gains is studied. Minimum number of strain gages needed to compensate the ripple signal is derived. The method is successfully confirmed by experiments.","PeriodicalId":227402,"journal":{"name":"ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116963826","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

On DC to AC power conversion: a differential flatness approach 直流到交流电源转换:差分平坦度方法

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.801814

H. Sira-Ramírez

{"title":"On DC to AC power conversion: a differential flatness approach","authors":"H. Sira-Ramírez","doi":"10.1109/ISIE.1999.801814","DOIUrl":"https://doi.org/10.1109/ISIE.1999.801814","url":null,"abstract":"A DC-to-AC power conversion scheme is presented which uses a conventional DC-to-DC switched power converter of the \"boost\" type. The control scheme is constituted by a sliding mode controller which indirectly tracks a suitable inductor current reference trajectory resulting in a corresponding tight approximation to the desired AC capacitor voltage as the corresponding trajectory for the ideal sliding dynamics. The differential flatness property of the \"boost\" converter allows one to approximately express the (input) inductor current reference trajectory in terms of a static nonlinear differential function of the (output) desired capacitor voltage AC signal. The AC signal generation features of the approach are demonstrated on a biased sinusoidal signal but, in fact, any sufficiently biased differentiable voltage reference signal is achievable in principle. This approximate differential relation between the reference current and the desired voltage is obtained as the outcome of a rapidly convergent offline iterative procedure devised as part of a trajectory planning task (only one or two iterations are sufficient to obtain a remarkable precision). Simulation results are presented for the first few sliding surface candidates obtained from the proposed algorithm.","PeriodicalId":227402,"journal":{"name":"ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121278135","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

Emerging multimedia communication for industry applications 新兴的多媒体通信工业应用

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.801743

J. Irwin

引用次数: 4

Optical coupler fabrication on based buried field-assisted ion-exchange method 基于埋场辅助离子交换法的光耦合器制备

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.797013

H.R. Azarinia

引用次数: 1

A basic algorithm of sensorless rotor position detection using fuzzy logic for the switched reluctance motor drives 基于模糊逻辑的开关磁阻电机无传感器转子位置检测的基本算法

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.798695

Clement Eyguesier, K. Tseng, F. Yan, S. Cao

引用次数: 6

Open structure multiprocessor robot controller 开放式多处理器机器人控制器

ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465) Pub Date : 1999-07-12 DOI: 10.1109/ISIE.1999.798733

M. Terbuc, A. Hace, K. Jezernik

{"title":"Open structure multiprocessor robot controller","authors":"M. Terbuc, A. Hace, K. Jezernik","doi":"10.1109/ISIE.1999.798733","DOIUrl":"https://doi.org/10.1109/ISIE.1999.798733","url":null,"abstract":"This paper present an approach for building a multiprocessor robot controller. It is well known that new concepts of automatic control have to be tested not only with the use of simulation techniques, but also with experiments on real mechanisms. Transfer from simulations to experiments is enabled by the use of the open structure of a robot controller. For the user, it is also possible to include an algorithm in the existing structure, like the assembling of blocks in the simulation programs. Results can be followed by the real-time display of the desired system variables, which can also be saved for later processing. Since real-time operation is required, local decisions about the packet contents have to be made. Also communication connections-paths are destined in such a manner that the fastest possible transfer is enabled. Because of the complexity of the tasks, a multiprocessor control system with the optimal distribution of tasks is used. In recent years, the number of applications using a laser beam for cutting various materials, such as metals (in most cases iron), fabric and paper, is increasing. In the authors' Institute, a belt driven machine of this kind was built. PC and transputer based controller width open hardware and software architecture was implemented. A complete laser cutting system represents the successful industrial application of emerging technologies.","PeriodicalId":227402,"journal":{"name":"ISIE '99. Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.99TH8465)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126947394","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