CAJ | 학술논문

为研究工程车辆发动机与液力变矩器之间的匹配对其动力性能和经济性能的影响，首先对工程车辆工作的不同工况进行分析，建立两种最高功率扭矩点位不同的发动机与液力变矩器的共同工作输入和输出特性的数学模型，并进行分析，优化计算方法；然后以工程车辆的动力性为目标，建立以液力变矩器有效直径为设计变量的发动机与液力变矩器匹配的优化模型，使用MATLAB进行实例计算，结果表明，优化后工程车辆发动机与液力变矩器的功率匹配在动力性方面提高了3.5％，燃油经济性方面则降低了3.1％。
위연구공정차량발동궤여액력변구기지간적필배대기동력성능화경제성능적영향，수선대공정차량공작적불동공황진행분석，건립량충최고공솔뉴구점위불동적발동궤여액력변구기적공동공작수입화수출특성적수학모형，병진행분석，우화계산방법；연후이공정차량적동력성위목표，건립이액력변구기유효직경위설계변량적발동궤여액력변구기필배적우화모형，사용MATLAB진행실례계산，결과표명，우화후공정차량발동궤여액력변구기적공솔필배재동력성방면제고료3.5％，연유경제성방면칙강저료3.1％。
In order to find out the effect of the match of engineering vehicle motor and torque con-verter on the dynamic performance and economic performance , different work conditions of engineer-ing vehicles were analyzed and a mathematical model of cooperating input and output performance of two engines with different maximum power torque was established and optimized .By setting the dynamic performance of engine of engineering vehicle as a target function and using the effective diameter of the torque converter as design variables , an optimization model of engine and torque con-verter is established by using MTLAB software .According to the optimization results , the dynamic performance of the vehicle increased by 3.5%and fuel economy decreased by 3.1%.