Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System

To alleviate the vibration effect of the feed drive system, a traditional approach is to apply notch filters to suppress vibrations in the velocity loop. The current approach is to adjust the notch filter parameters such as the center frequency, damping and depth based on observing the frequency res...

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Main Authors: Chung-Ching Liu, Meng-Shiun Tsai, Mao-Qi Hong, Pu-Yang Tang
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Journal of Manufacturing and Materials Processing
Subjects:
Online Access:https://www.mdpi.com/2504-4494/4/1/21
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author Chung-Ching Liu
Meng-Shiun Tsai
Mao-Qi Hong
Pu-Yang Tang
author_facet Chung-Ching Liu
Meng-Shiun Tsai
Mao-Qi Hong
Pu-Yang Tang
author_sort Chung-Ching Liu
collection DOAJ
description To alleviate the vibration effect of the feed drive system, a traditional approach is to apply notch filters to suppress vibrations in the velocity loop. The current approach is to adjust the notch filter parameters such as the center frequency, damping and depth based on observing the frequency response diagram of servo velocity closed loop. In addition, the notch filters are generally provided in the velocity loop control for the commercialized controllers such as FANUC, Siemens, etc. However, the resonance of the transmission system also appears in the position loop when the linear scale is used as the position feedback. The notch filter design without consideration of the resonance behavior of the position loop might cause degradation of performance. To overcome this problem, the paper proposes an innovative method which could automatically determine the optimal parameters of the notch filter under the consideration of resonance behavior of position loop. With the optimal parameters, it is found that both the gains of position and velocity loop controller could be increased such that the bandwidths of the position/velocity loops are higher. Based on the simulation results, the rising time is improved by 33% and the time for reaching the steady state is improved by 72% as comparing the cases of using the optimal approach and traditional approach.
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spelling doaj.art-d29166218170412fba9c8784276a6ad82022-12-22T02:22:12ZengMDPI AGJournal of Manufacturing and Materials Processing2504-44942020-03-01412110.3390/jmmp4010021jmmp4010021Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive SystemChung-Ching Liu0Meng-Shiun Tsai1Mao-Qi Hong2Pu-Yang Tang3Department of Mechanical Engineering, National Chung Cheng University, Chiayi 62102, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei 10617, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei 10617, TaiwanDepartment of Mechanical Engineering, National Chung Cheng University, Chiayi 62102, TaiwanTo alleviate the vibration effect of the feed drive system, a traditional approach is to apply notch filters to suppress vibrations in the velocity loop. The current approach is to adjust the notch filter parameters such as the center frequency, damping and depth based on observing the frequency response diagram of servo velocity closed loop. In addition, the notch filters are generally provided in the velocity loop control for the commercialized controllers such as FANUC, Siemens, etc. However, the resonance of the transmission system also appears in the position loop when the linear scale is used as the position feedback. The notch filter design without consideration of the resonance behavior of the position loop might cause degradation of performance. To overcome this problem, the paper proposes an innovative method which could automatically determine the optimal parameters of the notch filter under the consideration of resonance behavior of position loop. With the optimal parameters, it is found that both the gains of position and velocity loop controller could be increased such that the bandwidths of the position/velocity loops are higher. Based on the simulation results, the rising time is improved by 33% and the time for reaching the steady state is improved by 72% as comparing the cases of using the optimal approach and traditional approach.https://www.mdpi.com/2504-4494/4/1/21notch filterauto-tuningfeed drive system
spellingShingle Chung-Ching Liu
Meng-Shiun Tsai
Mao-Qi Hong
Pu-Yang Tang
Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
Journal of Manufacturing and Materials Processing
notch filter
auto-tuning
feed drive system
title Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
title_full Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
title_fullStr Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
title_full_unstemmed Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
title_short Development of a Novel Tuning Approach of the Notch Filter of the Servo Feed Drive System
title_sort development of a novel tuning approach of the notch filter of the servo feed drive system
topic notch filter
auto-tuning
feed drive system
url https://www.mdpi.com/2504-4494/4/1/21
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AT maoqihong developmentofanoveltuningapproachofthenotchfilteroftheservofeeddrivesystem
AT puyangtang developmentofanoveltuningapproachofthenotchfilteroftheservofeeddrivesystem