拖拉机巡航控制系统线性化纵向动力学模型

Proceedings of the 10th International Conference on Computer Modeling and Simulation Pub Date : 2018-01-08 DOI:10.1145/3177457.3177493

Zhixiang Liu, Zhuo Wang, X. Bai, Lei Gao

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引用次数: 4

摘要

建立拖拉机巡航控制系统的纵向动力学模型是必要的，根据模型的特点和外部干扰特性设计固定速度控制算法。针对拖拉机纵向动力传动系统的复杂性，本文采用模块化机构建模和实验数据建模的方法建立了拖拉机纵向动力学模型。针对纵向动力系统的非线性特性，采用逆模型法对模型进行线性化处理，方便了标准巡航控制系统控制结构和控制算法的设计。在Simulink上对纵向动力学模型进行了仿真，并在实际行驶条件下对模型进行了验证。仿真数据与实验数据的对比表明，该模型能较准确地反映拖拉机的纵向动力学特性，能够满足巡航控制系统的设计要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Linearized Longitudinal Dynamic Model for Tractor Cruise Control System

It is necessary to establish the longitudinal dynamic model of the tractor for the cruise control system to design a fixed speed control algorithm according to the characteristics of the model and the external disturbance characteristics. Aiming at the complexity of the longitudinal power transmission system of the tractor, this paper uses the modular mechanism modeling and the experimental data modeling to establish the longitudinal dynamic model of the tractor. Due to the nonlinearity of the longitudinal dynamics system, the inverse model method is used to linearize the model, which is convenient for the design of control structure and control algorithm of the standard cruise control system. The longitudinal dynamics model is simulated on Simulink, and the model is verified by real vehicle under driving condition. Comparing the simulation data with the experimental data, the results show that the model can accurately reflect the longitudinal dynamics characteristics of tractor, and can meet the requirements for the design of cruise control system.

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Proceedings of the 10th International Conference on Computer Modeling and Simulation

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