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논문 기본 정보

자료유형
학술대회자료
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저널정보
한국조명·전기설비학회 한국조명·전기설비학회 학술대회논문집 한국조명·전기설비학회 2004년도추계 학술대회논문집
발행연도
2004.11
수록면
371 - 374 (4page)

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Induction motors are a critical component of many industrial processes and are frequently integrated In commercially available equipment. Safety, reliability, efficiency, and performance are some of the major concerns of induction motor applications. Preventive maintenance of induction motors has been a topic great interest to industry because of their wide range application of industry. Since the use of mechanical sensors, such as vibration probes, strain gauges, and accelerometers is often impractical, the motor current signature analysis (MACA) techniques have gained much popularity as diagnostic tool. Fault tolerant control (FTC) strives to make the system stable and retain acceptable performance under the system faults. All present FTC method can be classified into two groups. The first group is based on fault detection and diagnostics (FDD). The second group is independent of FDD and includes methods such as integrity control, reliable stabilization and simultaneous stabilization. This paper presents the fundamental FDD-based FTC methods, which are capable of on-line detection and diagnose of the induction motors. Therefore, our group has developed the embedded distributed fault tolerant and fault diagnosis system for industrial motor. This paper presents its architecture. These mechanisms are based on two 32-bit DSPs and each TMS320F2407 DSP module is checking stator current, voltage, temperatures, vibration and the speed of the motor. The DSPs share information from each sensor or DSP through DPRAM with hardware implemented semaphore. And it communicates the motor status through field bus (CAN, RS485). From the designed system, we get primitive sensors data for the case of normal condition and two abnormal conditions of 3 phase induction motor control system is implemented. This paper is the first step to drive multi-motors with serial communication which can satisfy the real time operation using CAN protocol.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. DESIGN OF REDUNDANCY SYSTEM
Ⅲ. EXPERIMENTAL SETUP AND RESULTS
Ⅳ. Conclusion
ACKNOWLEDGMENT
Reference

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