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    • 3. 发明授权
    • Vehicle driveability evaluation system
    • 车辆驾驶性能评估系统
    • US5986545A
    • 1999-11-16
    • US938428
    • 1997-09-26
    • Masakatsu SanadaToshio Tanahashi
    • Masakatsu SanadaToshio Tanahashi
    • G01M17/007G01M15/04B60Q1/00G01L3/26
    • G01M17/00G01M15/044
    • In a vehicle driveability evaluation system, an engine is coupled to a dynamic dynamometer which is capable of changing a load torque and a speed in a very short time. A control unit controls the dynamic dynamometer so that the load torque and the speed of the dynamometer simulate the load and the speed of the engine when it is mounted on an actual vehicle. The driveability evaluation test is performed by operating the engine while simulating various running conditions of the vehicle by the dynamic dynamometer. Engine operating parameters such as an engine speed and an output torque are converted by a driveability data generating unit into driveability data such as an acceleration and vibration of the vehicle in accordance with the characteristic of the vehicle. These driveability data are converted by a sense-data generating unit into stimuli such as visual images, sounds and forces which can be directly perceived by the human senses. Therefore, an inspector can directly perceive the driveability of the actual vehicle from the stimuli generated by the sense-data generating unit without actually mounting the engine in the vehicle body.
    • 在车辆驾驶性能评价系统中,发动机与能够在短时间内改变负载转矩和转速的动态测力计相结合。 控制单元控制动态测力计,使负载转矩和测功机的速度模拟当发动机安装在实际车辆上时的负载和速度。 在通过动态测力计模拟车辆的各种行驶状态的同时操作发动机来进行驾驶性评价试验。 诸如发动机转速和输出转矩之类的发动机工作参数由驾驶性能数据生成单元根据车辆的特性被转换为诸如车辆的加速度和振动的驾驶性能数据。 这些可驾驶性数据由感测数据生成单元转换成诸如可以由人类感觉直接感知的视觉图像,声音和力的刺激。 因此,检查员可以直接从感知数据生成单元产生的刺激感知实际车辆的驾驶性,而不需要将发动机实际安装在车体中。