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Issue title: Information Sciences and Data Transmission of Data
Guest editors: Juan Luis García Guirao
Article type: Research Article
Authors: Yu, Weiqinga | Huang, Zhichaoa; * | Zhong, Chengpingb | Liu, Jupinga | Yuan, Zhensongb
Affiliations: [a] The Key Laboratory for Conveyance and Equipment of the Education Ministry of China, East China Jiaotong University, Nanchang, China | [b] Jiangxi Key Laboratory of Automobile Noise and Vibration, Jiangling Motors Corporation. Ltd., Nanchang, China
Correspondence: [*] Corresponding author. Zhichao Huang, The Key Laboratory for Conveyance and Equipment of the Education Ministry of China, East China Jiaotong University, Nanchang, China. E-mail: [email protected].
Abstract: In order to solve the problem of low efficiency and low efficiency of traditional methods, a method based on discrete wavelet is proposed to suppress the torsional vibration noise of automobile transmission system. Based on the operation mechanism of automobile transmission system, the transmission system model is built. In this model, the features of torsional vibration of transmission system were analyzed and the vibration signals were measured. The hardware equipments were used to collect the noise caused by torsional vibration, and then the discrete wavelet processing technology was used to quantify the torsional vibration noise. Based on the quantized noise data, the torsional vibration noise of automobile driveline was suppressed by active suppression and passive suppression. The experimental results show that the suppression time of this method for different noise size is less than 0.5 s, far less than the traditional method. Experimental results prove that the designed noise suppression method can greatly reduce the torsional vibration noise, so it has good application effect.
Keywords: Torsional vibration mechanics model, noise sampling, vibration signal, differential equation
DOI: 10.3233/JIFS-179830
Journal: Journal of Intelligent & Fuzzy Systems, vol. 38, no. 6, pp. 7585-7594, 2020
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