电控喷油器压电堆执行器位移波动及其控制技术

Jun Wang; Qing Hui Xiong; Yi Jin; You Tong Zhang

doi:10.15918/j.tbit1001-0645.2019.03.005

电控喷油器压电堆执行器位移波动及其控制技术

Translated title of the contribution: Displacement Wavelet of Piezoelectric Multilayer Stack Actuator and its Control Technology in Fuel Injector

Jun Wang, Qing Hui Xiong, Yi Jin^*, You Tong Zhang

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Affecting the performance of needle opening-close in fuel injector, the displacement of piezoelectric multilayer stack actuator (PMSA) was analyzed by test measurement to find the position of displacement wavelet, and some factors causing the displacement wavelet of PMSA were analyzed.Firstly, a simulation model was established for the PMSA based on ABAQUS software to analyze the displacement change of PMSA in different time.Results show that the piezoelectric component inertia is the main reason causing displacement wavelet of PMSA in the expansion and contractive stage.Then a hydraulic vibration absorption method and a voltage optimization method were presented to decrease the displacement wavelet of PMSA.Experimental results show that hydraulic coupling displacement amplifier can reduce the displacement wavelet to a certain extent, and trapezium current control can effetely reduce displacement wavelet of PMSA.

Translated title of the contribution	Displacement Wavelet of Piezoelectric Multilayer Stack Actuator and its Control Technology in Fuel Injector
Original language	Chinese (Traditional)
Pages (from-to)	248-254
Number of pages	7
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	39
Issue number	3
DOIs	https://doi.org/10.15918/j.tbit1001-0645.2019.03.005
Publication status	Published - 1 Mar 2019

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title = "电控喷油器压电堆执行器位移波动及其控制技术",

abstract = "Affecting the performance of needle opening-close in fuel injector, the displacement of piezoelectric multilayer stack actuator (PMSA) was analyzed by test measurement to find the position of displacement wavelet, and some factors causing the displacement wavelet of PMSA were analyzed.Firstly, a simulation model was established for the PMSA based on ABAQUS software to analyze the displacement change of PMSA in different time.Results show that the piezoelectric component inertia is the main reason causing displacement wavelet of PMSA in the expansion and contractive stage.Then a hydraulic vibration absorption method and a voltage optimization method were presented to decrease the displacement wavelet of PMSA.Experimental results show that hydraulic coupling displacement amplifier can reduce the displacement wavelet to a certain extent, and trapezium current control can effetely reduce displacement wavelet of PMSA.",

keywords = "Displacement, Fuel injector, Piezoelectric actuator",

author = "Jun Wang and Xiong, {Qing Hui} and Yi Jin and Zhang, {You Tong}",

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AU - Wang, Jun

AU - Xiong, Qing Hui

AU - Jin, Yi

AU - Zhang, You Tong

PY - 2019/3/1

Y1 - 2019/3/1

N2 - Affecting the performance of needle opening-close in fuel injector, the displacement of piezoelectric multilayer stack actuator (PMSA) was analyzed by test measurement to find the position of displacement wavelet, and some factors causing the displacement wavelet of PMSA were analyzed.Firstly, a simulation model was established for the PMSA based on ABAQUS software to analyze the displacement change of PMSA in different time.Results show that the piezoelectric component inertia is the main reason causing displacement wavelet of PMSA in the expansion and contractive stage.Then a hydraulic vibration absorption method and a voltage optimization method were presented to decrease the displacement wavelet of PMSA.Experimental results show that hydraulic coupling displacement amplifier can reduce the displacement wavelet to a certain extent, and trapezium current control can effetely reduce displacement wavelet of PMSA.

AB - Affecting the performance of needle opening-close in fuel injector, the displacement of piezoelectric multilayer stack actuator (PMSA) was analyzed by test measurement to find the position of displacement wavelet, and some factors causing the displacement wavelet of PMSA were analyzed.Firstly, a simulation model was established for the PMSA based on ABAQUS software to analyze the displacement change of PMSA in different time.Results show that the piezoelectric component inertia is the main reason causing displacement wavelet of PMSA in the expansion and contractive stage.Then a hydraulic vibration absorption method and a voltage optimization method were presented to decrease the displacement wavelet of PMSA.Experimental results show that hydraulic coupling displacement amplifier can reduce the displacement wavelet to a certain extent, and trapezium current control can effetely reduce displacement wavelet of PMSA.

KW - Displacement

KW - Fuel injector

KW - Piezoelectric actuator

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电控喷油器压电堆执行器位移波动及其控制技术

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