QC/T 480-1999: Translated English of Chinese Standard. (QCT 480-1999, QC/T480-1999, QCT480-1999): Criterion thresholds and evaluation of controllability and stability for automobiles
https://www.chinesestandard.net, 8 mars 2020 - 17 sidor
This Standard specifies the criterion thresholds and evaluation methods of controllability and stability for automobiles. This Standard is applicable to the automobiles that are driving on highways, city roads. For the automobiles that are not driving on highways may refer to this Standard for implementation.
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Cornering with steer release performance test
Steering portability test
Steering transient response test steering wheel angle step input
Steering transient response test steering wheel angle pulse input
Pylon course slalom test
Total evaluation score of controllability and stability for automobiles
Evaluation of controllability and stability for automobiles
absolute value according to formula angle pulse input average steering force average steering wheel average yaw rate base speed calculated according cars and vans comprehensive evaluation score controllability and stability cornering with steer evaluated and scored force of steering greater than 100 Indicators lateral acceleration value low-speed cornering lower limit mass 6t maximum steering force Maximum total mass neutral turning point Passenger cars phase lag angle Pylon course slalom rate in cornering release performance test residual yaw rate resonant frequency resonant peak level score as 100 score of controllability score of resonant scored according stability for automobiles Steady-state rotation test steer release performance steering wheel angle Table test is evaluated test value total evaluation score total mass 15t total variance understeer degree upper limit value of residual vans Maximum total variance of yaw vehicle yaw rate wheel angle peak wheel angle pulse yaw rate peak yaw rate response