论文部分内容阅读
概括了配气机构动力学模型发展的特点,讨论了现代高速配气机构动力学模型的完善程度与配气机构润滑磨损和接触应力等相关领域研究进展的密切关系.指出适于多种工况的考虑多个非线性因素影响的动力学模型是将来本领域研究的一个重点,最后简单讨论了系统参数识别对提高配气机构动力学模型预测精度和扩大模型适用范围的重要作用.
The characteristics of dynamic model development of gas distribution mechanism are summarized, and the close relationship between the perfection degree of dynamic model of modern high-speed gas distribution mechanism and research progress in lubrication wear and contact stress of gas distribution mechanism is discussed. The dynamic model considering the influence of several non-linear factors is one of the focuses in this field in the future. Finally, the important role of system parameter identification in improving the prediction accuracy of the dynamic model of the valve train and expanding the applicable range of the model is briefly discussed.