A novel temperature compensation method for proportional solenoid

2017 International Conference on Mechanical, System and Control Engineering (ICMSC) Pub Date : 2017-05-01 DOI:10.1109/ICMSC.2017.7959486

Chang Lu, Qing Zhuo, Yongheng Jiang, Kaisheng Huang, Xiaomei Luo, Shubiao Guo

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Abstract

In the clutch-to-clutch shifting control of automatic transmission system, the precise control of oil pressure in the clutch chamber is crucial, for which the proportional solenoid is the key component. The electrical parameters of solenoid will change considerably due to temperature variation, which will result in the change of input-output characteristics of solenoid and the deterioration of shifting quality. In order to realize a smooth shifting control under any temperature circumstance, the electrical, hydraulic and mechanical model of the solenoid are analyzed. The temperature influence on resistance and inductance of solenoid are provided and they can account for the variation of oil pressure and flow. Finally, a novel temperature compensation method for proportional solenoid applied to the automatic transmission system is developed. It can be implemented for embedded devices due to its low computational load. Experimental results are also provided to validate the model and the temperature compensation method.

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一种新型比例螺线管温度补偿方法

在自动变速器系统的离合换档控制中，离合器腔油压的精确控制至关重要，比例电磁阀是其中的关键部件。由于温度的变化，电磁阀的电气参数会发生较大的变化，导致电磁阀的输入输出特性发生变化，换挡质量变差。为了实现在任意温度环境下的平稳换挡控制，对电磁阀的电气、液压和力学模型进行了分析。给出了温度对螺线管电阻和电感的影响，它们可以解释油压和流量的变化。最后，提出了一种适用于自动变速器的比例电磁阀温度补偿方法。由于其计算负荷低，可以在嵌入式设备上实现。实验结果验证了模型和温度补偿方法的正确性。

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2017 International Conference on Mechanical, System and Control Engineering (ICMSC)

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