开发了基于车轮力传感器的底盘测功机上轮胎滚动阻力(系数)的测试系统，为深入研究轮胎在滚筒上的滚动阻力提供了新方法。
A new rolling resistance (coefficient) test system is developed based on wheel torque sensor, which offers a new method for deeply researching the rolling resistance of the wheels on the rollers.
实验结果表明，以“被测试电机-直流电力测功机-负载电阻”为结构、基于数字信号处理芯片的感应电动机转矩-转速特性自动测试系统是可行的。
The experimental results demonstrate: the automatic measurement system which bases on the DC dynamometer and DSP can well measure torque-speed characteristic of induction motor.
该系统能够对柴油机进行全自动测试，它具有柴油机和测功机两个控制回路。
The system with two control circuits separately for tested engine and dynamometer could conduct engine test automatically.
许多汽车性能试验均在底盘测功机上进行，而轮胎滚动阻力是影响测试精度的重要原因。
Many automotive performance tests are conducted on chassis dynamometer, while tyre rolling resistance is an important factor to affect measuring accuracy.
本文以发动机测试中一项重要的特性测试项目——速度特性测试为目的，重点研究了交流电力测功机及其控制系统设计。
Aiming at the speed characteristics test, which is one of important test items of engine test, this paper proposes studies of ac electrical dynamometer and its control system.
利用底盘测功机反拖测试汽车的传动系阻力，建立传动系阻力的数学模型。
By use of the reverse? Drive test on a chassis dynamometer, the transmission resistance is measured, and the model of the transmission resistance is established.
综合论述了动力试验与测功机在动力机械设备测试的基本方法和应用场合。
The primary method and applicable fields of dynamic test and dynamometer in dynamic machinery equipment are summarized.
测功机是电机性能测试台、机械传动测试台、以及发动机性能测试台等试验装置中的核心设备。
The dynamometer is core equipment of motor performance test station, mechanical drive test station and engine performance test station.
通过研制立式直流电力测功机，实现对立轴发动机的动力和经济性能测试，为改进其性能提供科学依据。
By developing the vertical DC dynamometer, the test of power and economic properties of vertical shaft engine is accomplished, which provides scientific basis for improving the performances.
本文根据百余种国产摩托车排气污染物底盘测功机工况法测试结果，建立了相应的数据库。
Depending on chassis dynamometer test results from more than 100 motorcycles a relative database has been set up.
根据发动机台架试验测试平台的基本要求，充分利用了测功机、油耗仪等原有设备，开发了基于P89C668的发动机台架试验测试平台，实现了显示、打印、控制和通讯等功能。
In this paper, we utilize current equipments such as dynameter and specific fuel consumption detector, and design a set of engine test bench platform based on P89C668.
研制了一种在发动机台架上进行柴油机变工况下排气微粒测量的测试系统。该系统主要由普通测功机和微粒稀释取样袋等组成。
A system for measuring exhaust particulates from an automotive diesel engine under transient operating conditions was developed, which includes a conventional dynamometer and a dilution sampling bag.
研制了一种在发动机台架上进行柴油机变工况下排气微粒测量的测试系统。该系统主要由普通测功机和微粒稀释取样袋等组成。
A system for measuring exhaust particulates from an automotive diesel engine under transient operating conditions was developed, which includes a conventional dynamometer and a dilution sampling bag.
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