发动机特性 meaning in English
engine characteristic
Examples
- Performance analysis of the liquid fuel ramjet
液体冲压发动机特性分析 - Hydraulic fluid power - determination of characteristics of motors - part 3 : at constant flow and at constant torque
液压传动.发动机特性的测定.第3部分:在恒流量和恒转矩下测定 - The models for engine system and eq6480 bus equipped with metal pushing v - belt cvt are established , the performance curve fitting of eq491 engine is made , simulation analyses are followed so as to confirm the effectiveness of the control scheme . 3
在台架实验的基础上，对eq491发动机特性进行双参数拟合，得出转矩、油耗与转速和油门开度的关系，对装有金属带式cvt系统的eq6480中高级客车进行了发动机和整车的建模，确认了控制策略。 - Second , engine ' s partial velocity characteristics model and universal characteristics model are built the throttle opening is considered as an essential factor to build the model for reflecting the actual working performance of engine . the situation of the throttle opening change is studied , and a simulation method is given to use torque curved surface and vehicle dynamics equation on base of differential approach method . engine test software is developed for the engine no - load test , variable throttle opening test and throttle step change test
其次，建立了发动机的部分速度特性模型和万有特性模型；为了更好的反映发动机的实际工作特性，将油门开度作为一个重要参数参与建模，并对发动机变油门的情况进行了研究；结合转矩曲面和整车动力学方程，采用微区间逼近法确定了发动机变油门过程仿真方法；开发了发动机试验测控软件，利用该软件进行了发动机空载响应试验、发动机不同油门开度试验和油门阶跃变化试验，并对实际试验数据和数学模型计算数据进行对比；在vc + +平台上开发了发动机特性仿真模块，在系统中用软件实现了变油门控制发动机特性的功能。