Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load
Due to the high-frequency torque characteristics of electric vehicle motors，the impact load of their effect on the fatigue life of transmission systems such as reducers and differentials has been paid more and more attention by enterprises. According to the actual torsion load of electric vehicle di...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Transmission
2021-01-01
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| Series: | Jixie chuandong |
| Subjects: | |
| Online Access: | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2021.01.018 |
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| _version_ | 1841547210443980800 |
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| author | Xihong Zou Jinxiao Li Qiuyang Hu Shuaijie Xi Lingfeng Fu Dongmei Yuan |
| author_facet | Xihong Zou Jinxiao Li Qiuyang Hu Shuaijie Xi Lingfeng Fu Dongmei Yuan |
| author_sort | Xihong Zou |
| collection | DOAJ |
| description | Due to the high-frequency torque characteristics of electric vehicle motors，the impact load of their effect on the fatigue life of transmission systems such as reducers and differentials has been paid more and more attention by enterprises. According to the actual torsion load of electric vehicle differential， a torsion fatigue test system of electric vehicle differential based on hydraulic servo is designed. A wireless telemetry system is used to collect the axle shaft torque of electric vehicle in Dianjiang test site according to Pascal test specification. After preprocessing the collected axle shaft torque load spectrum and analyzing the characteristics in time-frequency domain， it is determined that the load waveform of torsional fatigue test is sine wave and the load frequency is 0.5 Hz. Through rainflow counting and extrapolation， the loading amplitude and frequency are determined，thus a torsional fatigue test method for differential of electric vehicles is established. Finally，an electric vehicle differential torsion fatigue test system is set up to verify the test method. The results show that the fatigue failure parts and forms of the differential are consistent with those of the real vehicle，and the established method is effective and feasible. |
| format | Article |
| id | doaj-art-8fd6042b113d46bc950134112256fb04 |
| institution | Kabale University |
| issn | 1004-2539 |
| language | zho |
| publishDate | 2021-01-01 |
| publisher | Editorial Office of Journal of Mechanical Transmission |
| record_format | Article |
| series | Jixie chuandong |
| spelling | doaj-art-8fd6042b113d46bc950134112256fb042025-01-10T14:54:23ZzhoEditorial Office of Journal of Mechanical TransmissionJixie chuandong1004-25392021-01-014510911529798639Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving LoadXihong ZouJinxiao LiQiuyang HuShuaijie XiLingfeng FuDongmei YuanDue to the high-frequency torque characteristics of electric vehicle motors，the impact load of their effect on the fatigue life of transmission systems such as reducers and differentials has been paid more and more attention by enterprises. According to the actual torsion load of electric vehicle differential， a torsion fatigue test system of electric vehicle differential based on hydraulic servo is designed. A wireless telemetry system is used to collect the axle shaft torque of electric vehicle in Dianjiang test site according to Pascal test specification. After preprocessing the collected axle shaft torque load spectrum and analyzing the characteristics in time-frequency domain， it is determined that the load waveform of torsional fatigue test is sine wave and the load frequency is 0.5 Hz. Through rainflow counting and extrapolation， the loading amplitude and frequency are determined，thus a torsional fatigue test method for differential of electric vehicles is established. Finally，an electric vehicle differential torsion fatigue test system is set up to verify the test method. The results show that the fatigue failure parts and forms of the differential are consistent with those of the real vehicle，and the established method is effective and feasible.http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2021.01.018Electric vehicle differentialTorsional fatigueTestLoading |
| spellingShingle | Xihong Zou Jinxiao Li Qiuyang Hu Shuaijie Xi Lingfeng Fu Dongmei Yuan Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load Jixie chuandong Electric vehicle differential Torsional fatigue Test Loading |
| title | Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load |
| title_full | Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load |
| title_fullStr | Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load |
| title_full_unstemmed | Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load |
| title_short | Research on Torsional Fatigue Test Method of Electric Vehicle Differential based on Actual Driving Load |
| title_sort | research on torsional fatigue test method of electric vehicle differential based on actual driving load |
| topic | Electric vehicle differential Torsional fatigue Test Loading |
| url | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2021.01.018 |
| work_keys_str_mv | AT xihongzou researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload AT jinxiaoli researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload AT qiuyanghu researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload AT shuaijiexi researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload AT lingfengfu researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload AT dongmeiyuan researchontorsionalfatiguetestmethodofelectricvehicledifferentialbasedonactualdrivingload |