Abstract
Ability to reproduce the fault of proving ground and user use is poor, which uses the traditional durability test method of the front swingarm bench. However, the road simulation test method is able to accurately reproduce the real road load spectrum of the swingarm, which has good validation results. The article focuses on accelerated editing the target response signal of swingarm, a new method for compressing and reconstructing the time-domain load spectrum, is put forward based on the intensified extrapolation and superposition of the load rainflow matrix according to the experimental conditions so as to further shorten the bench test period. The mean cycles of the load rainflow matrix were corrected, according to the Goodman method. And the S-N curve of the swingarm is calculated according to the nominal stress method. The damage degree of the measuring point load of the swingarm is compared before and after accelerated editing. The equivalence relation between the reconstructed spectrum of rainflow matrix and the original load spectrum was verified. Finally, the results showed that the speed-up ratio of the simulation iterative target response signal of the swingarm reaches 78.8 times compared with the road test at the proving ground, which is 2.4 times compared with the traditional bench test standard. A bench test was performed to verify that this accelerated editing method is effective.
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Yang, Z., Zhang, S., Jia, J., Fu, J., Zhai, J. (2020). Research on Road Simulation Accelerated Durability Test Method for Front Swingarm. In: (China SAE), C. (eds) Proceedings of China SAE Congress 2018: Selected Papers. SAE-China 2018. Lecture Notes in Electrical Engineering, vol 574. Springer, Singapore. https://doi.org/10.1007/978-981-13-9718-9_7
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DOI: https://doi.org/10.1007/978-981-13-9718-9_7
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