Research on suspension control of maglev train via enhanced tracking differentiator

A large amount of measurement noise exists in the gap sensor signals of the suspension system of maglev train, which affects the control quality and stability of the suspension system. To address this issue, the boundary curve of the second-order discrete time optimal control was determined by means...

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Main Authors: LIU Yiheng, ZHANG Hehong, LONG Zhiqiang, XIE Yunde, GU Qiuming, FU Suijin
Format: Article
Language:zho
Published: Editorial Department of Electric Drive for Locomotives 2023-03-01
Series:机车电传动
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Online Access:http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128X.2023.02.013
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author LIU Yiheng
ZHANG Hehong
LONG Zhiqiang
XIE Yunde
GU Qiuming
FU Suijin
author_facet LIU Yiheng
ZHANG Hehong
LONG Zhiqiang
XIE Yunde
GU Qiuming
FU Suijin
author_sort LIU Yiheng
collection DOAJ
description A large amount of measurement noise exists in the gap sensor signals of the suspension system of maglev train, which affects the control quality and stability of the suspension system. To address this issue, the boundary curve of the second-order discrete time optimal control was determined by means of isochronous region, and a new form of discrete time optimal control function, without complicated square root operation, was constructed based on the boundary curve and the reachable region. The phase compensation was achieved by differential prediction compensation method. Then, the suspension controller based on the new tracking differentiator (TD) was designed. The numerical simulation shows that the TD can quickly track the input signal with favorable filtering effect, no chattering and overshoots. The experiments conducted on the maglev train platform demonstrate that the proposed suspension controller of TD can significantly reduce the maximum overshoots around 15% during the levitation of the train and achieve stable suspension control of the maglev train, indicating strong engineering practicability.
format Article
id doaj-art-4dd6e9ad6b1444e7b7a1e0cbdf2965a2
institution Kabale University
issn 1000-128X
language zho
publishDate 2023-03-01
publisher Editorial Department of Electric Drive for Locomotives
record_format Article
series 机车电传动
spelling doaj-art-4dd6e9ad6b1444e7b7a1e0cbdf2965a22025-08-20T03:52:51ZzhoEditorial Department of Electric Drive for Locomotives机车电传动1000-128X2023-03-0111312237952841Research on suspension control of maglev train via enhanced tracking differentiatorLIU YihengZHANG HehongLONG ZhiqiangXIE YundeGU QiumingFU SuijinA large amount of measurement noise exists in the gap sensor signals of the suspension system of maglev train, which affects the control quality and stability of the suspension system. To address this issue, the boundary curve of the second-order discrete time optimal control was determined by means of isochronous region, and a new form of discrete time optimal control function, without complicated square root operation, was constructed based on the boundary curve and the reachable region. The phase compensation was achieved by differential prediction compensation method. Then, the suspension controller based on the new tracking differentiator (TD) was designed. The numerical simulation shows that the TD can quickly track the input signal with favorable filtering effect, no chattering and overshoots. The experiments conducted on the maglev train platform demonstrate that the proposed suspension controller of TD can significantly reduce the maximum overshoots around 15% during the levitation of the train and achieve stable suspension control of the maglev train, indicating strong engineering practicability.http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128X.2023.02.013maglev trainsuspension controlgap signaltracking differentiatorphase compensationsimulation
spellingShingle LIU Yiheng
ZHANG Hehong
LONG Zhiqiang
XIE Yunde
GU Qiuming
FU Suijin
Research on suspension control of maglev train via enhanced tracking differentiator
机车电传动
maglev train
suspension control
gap signal
tracking differentiator
phase compensation
simulation
title Research on suspension control of maglev train via enhanced tracking differentiator
title_full Research on suspension control of maglev train via enhanced tracking differentiator
title_fullStr Research on suspension control of maglev train via enhanced tracking differentiator
title_full_unstemmed Research on suspension control of maglev train via enhanced tracking differentiator
title_short Research on suspension control of maglev train via enhanced tracking differentiator
title_sort research on suspension control of maglev train via enhanced tracking differentiator
topic maglev train
suspension control
gap signal
tracking differentiator
phase compensation
simulation
url http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128X.2023.02.013
work_keys_str_mv AT liuyiheng researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator
AT zhanghehong researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator
AT longzhiqiang researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator
AT xieyunde researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator
AT guqiuming researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator
AT fusuijin researchonsuspensioncontrolofmaglevtrainviaenhancedtrackingdifferentiator