Electric vehicle driving permanent magnet synchronous motor noise test method
The invention provides a method for testing noise of a permanent magnet synchronous motor driven by an electric vehicle. The testing process comprises the following steps: 1) determining the working condition of noise testing; 2) microphone test point positions are set and arranged; 3) a test bench...
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| creator | GUO HUI YUAN TAO MOU BAOJUN ZHENG LIHUI SUN PEI WANG YANSONG |
| description | The invention provides a method for testing noise of a permanent magnet synchronous motor driven by an electric vehicle. The testing process comprises the following steps: 1) determining the working condition of noise testing; 2) microphone test point positions are set and arranged; 3) a test bench laboratory is prepared and a noise test system is built; 4) testing and recording all microphone sampling data of motor noise, and calculating the sound pressure level of each measuring point and the average sound pressure level of the measuring surface; 5) calculating the sound power of the motor; and 6) analyzing the motor noise. Compared with the prior art, the method for testing the noise of the driving permanent magnet synchronous motor of the electric vehicle has the characteristics of high measurement precision, convenience and simplicity in arrangement, good stability, strong anti-interference capability and the like, and provides a basis for the research of controlling the noise of the motor.
本发明提供了一种电动汽车驱 |
| format | Patent |
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本发明提供了一种电动汽车驱</description><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEOwjAQBN1QIOAPxwMoAuQBKAqigYo-spwlsWTfWT4Tid_jggfQzDSjWZt7H-BK9o4WzN4F0Jj94nmihBwtgwtFOzEK6YfdnIXlrRSlSCYWr6ACrQ3KLOPWrF42KHY_b8z-2j-72wFJBmiyDvU0dI-madvzseJy-qf5AjgkNu0</recordid><startdate>20221230</startdate><enddate>20221230</enddate><creator>GUO HUI</creator><creator>YUAN TAO</creator><creator>MOU BAOJUN</creator><creator>ZHENG LIHUI</creator><creator>SUN PEI</creator><creator>WANG YANSONG</creator><scope>EVB</scope></search><sort><creationdate>20221230</creationdate><title>Electric vehicle driving permanent magnet synchronous motor noise test method</title><author>GUO HUI ; YUAN TAO ; MOU BAOJUN ; ZHENG LIHUI ; SUN PEI ; WANG YANSONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN115542155A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>GUO HUI</creatorcontrib><creatorcontrib>YUAN TAO</creatorcontrib><creatorcontrib>MOU BAOJUN</creatorcontrib><creatorcontrib>ZHENG LIHUI</creatorcontrib><creatorcontrib>SUN PEI</creatorcontrib><creatorcontrib>WANG YANSONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GUO HUI</au><au>YUAN TAO</au><au>MOU BAOJUN</au><au>ZHENG LIHUI</au><au>SUN PEI</au><au>WANG YANSONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electric vehicle driving permanent magnet synchronous motor noise test method</title><date>2022-12-30</date><risdate>2022</risdate><abstract>The invention provides a method for testing noise of a permanent magnet synchronous motor driven by an electric vehicle. The testing process comprises the following steps: 1) determining the working condition of noise testing; 2) microphone test point positions are set and arranged; 3) a test bench laboratory is prepared and a noise test system is built; 4) testing and recording all microphone sampling data of motor noise, and calculating the sound pressure level of each measuring point and the average sound pressure level of the measuring surface; 5) calculating the sound power of the motor; and 6) analyzing the motor noise. Compared with the prior art, the method for testing the noise of the driving permanent magnet synchronous motor of the electric vehicle has the characteristics of high measurement precision, convenience and simplicity in arrangement, good stability, strong anti-interference capability and the like, and provides a basis for the research of controlling the noise of the motor.
本发明提供了一种电动汽车驱</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Electric vehicle driving permanent magnet synchronous motor noise test method |
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