An Improved Rollover Index Based on BP Neural Network for Hydropneumatic Suspension Vehicles

Xiaotong Dong, Yi Jiang, Zhou Zhong, Wei Zeng and Wei Liu

Mathematical Problems in Engineering, 2018, vol. 2018, 1-15

Abstract:

The 3-DOF rollover model has been established by the Lagrangian second-class equation, taking the road inclination angle, the steering strategy, and the hydropneumatic suspension characteristics into consideration. A 3-layer BP (backpropagation) neural network is applied to predict the road inclination angle and to optimize the rollover model in real-time. The number of the hidden layer neurons for the BP network is also discussed. The numerical calculation of the optimized rollover model is in good agreement with the full-scale vehicle test. Different rollover indexes are compared, and the results indicate that the rollover index of dynamic LTR optimized by the BP neural network can evaluate the rollover tendency more accurately in the ramp steering test and the snake steering test. This study provides practical meanings for developing a rollover warning system.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:7859521

DOI: 10.1155/2018/7859521

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