5.6 变速器测试
•按F9,专家模板转换到标准模式;
•单击File > New > Suspension命令,弹出子系统对话框,如图5-11所示;
•Subsystem Name(系统名称):gearbox;
•Minor Role(副特征):any;
•Template Name(模板路径):mdids://my_driveline/templates.tbl/_gearbox.tpl;
•单击OK,完成子系统_gearbox的创建。
•单击File > New > Bench Test Assembly命令,如图5-12所示;
•Assembly Name:gearbox_tester;
•Subsystems:mdids://my_driveline/subsystems.tbl/gearbox.sub;
•单击OK,完成变速器测试平台建立。

图5-11 变速器子系统

图5-12 变速器测试平台
变速器平台创建过程信息如下。
Creating the full vehicle assembly:'gearbox_tester'...
Opening the driveline subsystem:'gearbox'...
Assembling subsystems...
Assigning communicators...
WARNING:The following input communicators were not assigned during assembly:
testrig.cis_steering_wheel_joint
testrig.cis_steering_rack_joint
testrig.cis_measure_for_distance
testrig.cil_steer_reference
testrig.cir_steer_reference
testrig.cis_chassis_path_reference
testrig.cis_body_subsystem (attached to ground)
testrig.cis_driver_reference
testrig.cis_engine_rpm
testrig.cil_front_suspension_mount (attached to ground)
testrig.cir_front_suspension_mount (attached to ground)
testrig.cil_rear_suspension_mount (attached to ground)
testrig.cir_rear_suspension_mount (attached to ground)
testrig.cil_tire_force_front(https://www.daowen.com)
testrig.cir_tire_force_front
testrig.cil_tire_force_rear
testrig.cir_tire_force_rear
testrig.cis_body_cg
testrig.cis_static_torque_marker
Assignment of communicators completed.
Assembly of subsystems completed.
Full vehicle assembly ready.%变速器测试平台创建成功
•Simulate > Full-Vehicle Analysis > Driveline Tests > Step Torque;
•Output Prefix:gearbox;
•End Time:2;
•Number Of Steps:400;
•Mode of Simulation:interactive;
•Road Data File:mdids://acar_shared/roads.tbl/2d_flat.rdf;
•Gear Position:1;
•Initial Torque Value:0;
•Final Torque Value:1E4;
•Step Start Time:0.5;
•Duration of Step:1;
•Engine Dyno:gearbox.ues_dyno;
•单击OK,完成阶跃扭矩设置并提交计算,变速器各计算参数如图5-13~图5-18所示。

图5-13 动力元输入扭矩

图5-14 动力元输入角度

图5-15 齿轮1输入角速度

图5-16 齿轮1输出角速度

图5-17 齿轮2输入角速度

图5-18 齿轮2输出角速度