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Research on noise suppression of electronic water pumps based on HRCSVPWM
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Xinyang HU1, Xipei MA1, Jie LIU2, Pingqing FAN1
Journal of Mechanical Strength | 2025, 47(5) : 38 - 45
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Journal of Mechanical Strength | 2025, 47(5): 38-45
• Vibration·Noise·Monitoring·Diagnosis •
Research on noise suppression of electronic water pumps based on HRCSVPWM
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Xinyang HU1, Xipei MA1, Jie LIU2, Pingqing FAN1
Affiliations
  • 1.School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
  • 2.CAERI Automotive Engineering Research Institute Co., Ltd., Changzhou 213000, China
Published: 2025-05-15 doi: 10.16579/j.issn.1001.9669.2025.05.005
Outline
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The noise of automotive electronic water pump (EWP) is an important indicator of the performance of EWP,and its active control is conducive to improve the sound quality of the car. In order to achieve the active control of the noise of EWP, a hybrid random carrier space vector pulse width modulation (HRCSVPWM) strategy was proposed. Firstly, the Xorshift algorithm was used to design a random sequence generator to generate random numbers with good randomness to disperse a large number of harmonics concentrated in the carrier frequency and its integer multiples. Secondly, the sawtooth wave period function was combined to increase the weakening effect on the pulse width modulation (PWM) harmonic amplitude. Then, the simulation model of the EWP was constructed to investigate the harmonic suppression effects of control strategies of space vector pulse width modulation (SVPWM), random carrier space vector pulse width modulation (RCSVPWM) and HRCSVPWM, to verify the ability of HRCSVPWM to suppress PWM harmonics. Finally, EWP noise test platform was constructed to analyses the noise of EWP under three types of control strategies.The results show that the noise suppression effect of HRCSVPWM is remarkable, which can make the noise’s sound pressure level of EWP decrease significantly, with an average decrease of about 3 dB.

Electronic water pump  /  Noise active control  /  Harmonic suppression  /  Random carrier  /  Xorshift algorithm
Xinyang HU, Xipei MA, Jie LIU, Pingqing FAN. Research on noise suppression of electronic water pumps based on HRCSVPWM[J]. Journal of Mechanical Strength, 2025 , 47 (5) : 38 -45 . DOI: 10.16579/j.issn.1001.9669.2025.05.005
Funding
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  • Shanghai Natural Science Foundation(21ZR1425800)
  • National Natural Science Foundation of China(52172371)
Appendix
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Year 2025 volume 47 Issue 5
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.05.005
  • Receive Date：2023-09-21
  • Online Date：2026-03-19
  • Published：2025-05-15
Article Data
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History
  • Received：2023-09-21
  • Revised：2023-10-18
Funding
Shanghai Natural Science Foundation(21ZR1425800)
National Natural Science Foundation of China(52172371)
Affiliations
    1.School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
    2.CAERI Automotive Engineering Research Institute Co., Ltd., Changzhou 213000, China

Corresponding:

MA Xipei, E-mail：
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