汽车滑移门典型关门驱动力构建的研究

为给滑移门导向系统动力学特性研究提供可靠的输入数据,基于某车型滑移门关门力试验数据,进行汽车滑移门典型关门驱动力的构建。首先从3种关门工况下的大量实测关门力曲线中提取出10个特征参数,运用PauTa法则剔除异常数据。在此基础上,利用马尔可夫链方法构建典型的关门驱动力,并将其曲线拟合成STEP函数以便于在工程上实现驱动力的加载。最后,将特征参数的拟合前后数据与其试验数据平均值进行比较,以验证所用方法的有效性,结果表明两者的相对误差均在10%以内,说明此构建方法有效可行。

Study on Construction of Typical Closing Driving Force of Vehicle Sliding Door

To provide reliable input data for the study on the dynamic characteristics of guidance system of sliding door,the typical closing driving force is constructed based on the test data of sliding door closing force of a vehicle model.Firstly,some characteristic parameters are extracted from the massive measured closing force curves under three closing conditions and PauTa criterion is used to reject outlier data.On this basis,Markov chain is applied to the construction of the typical closing driving force of sliding door with their curves fitted into STEP function to realize the loading of driving force in engineering.Finally,in order to verify the effectiveness of the method used,characteristic parameter data before and after fitting are compared with the average value of tested characteristic parameter data.The results indicate that their relative errors are less than 10%for three closing conditions,illustrating the effectiveness and feasibility of the method of closing driving force construction.