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자료유형
학술대회자료
저자정보
Tae-Ho Oh (Seoul National University) Ji-Seok Han (Seoul National University) Young-Seok Kim (Seoul National University) Dae-Young Yang (Seoul National University) Tae-Hoon Kim (Seoul National University) Sang-Hoon Lee (RS Automation) Dong-Il “Dan” Cho (Seoul National University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2021
발행연도
2021.10
수록면
1,830 - 1,834 (5page)

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This paper presents a sine-sweep input generation method to obtain a precise frequency response function (FRF) in industrial servo systems. Among the various system identification methods, the FRF method generally has rich information of the system especially in the high-frequency ranges which is important for resonance suppression and vibration control. Industrial servo systems are applied to many different types of plants that have many high-frequency components in broad frequency ranges. However, most servo drives have limitations in memory and computation power, which hinders using long excitation signals with various energies for different plants. This paper presents a method to obtain a precise FRF of the system with a novel sine-sweep input generation algorithm. In the proposed algorithm, the sine-sweep input is generated in real-time considering the energy of the input signal for each frequency. Using real industrial servo systems, it is demonstrated that the proposed sine-sweep input generation algorithm effectively obtains very accurate FRFs for various types of systems.

목차

Abstract
1. INTRODUCTION
2. FREQUENCY RESPONSE FUNCTION MEASUREMENTS
3. PROPOSED SINE-SWEEP INPUT GENERATION ALGORITHM
4. EXPERIMENTS AND RESULTS
CONCLUSIONS
REFERENCES

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