Standard No.:	GB/T 13047-1991
English Name:	Griterion thresholde and evaluation of controllabilityand stability for automobiles
Chinese Name:	汽车操纵稳定性指标限值与评价方法
Chinese Classification:	T23    Steering and operation systems
Professional Classification:	GB    National Standard
Implemented on:	1992-3-1
Status:	superseded
Superseded by:	QC/T 480-1999 Griterion thresholde and evaluation of controllabilityand stability for automobiles
Superseded on:	1999-3-15
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	110.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard specifies criterion threshold and evaluation of controllability and stability for automobiles. This standard is applicable to the automobiles running on highways or urban roads. Off-highway automobiles may make reference to this standard. 2 Steady State Circular Test 2.1 This test is scored upon evaluation on such three indexes as lateral acceleration at neutral turning point, an, degree of understeer, U, and side tilt of trunk, Kφ. 2.2 For lower limit values of an, U and Kφ as an60, U60 and Kφ60 and upper limit values as an100, U100 and Kφ100, see Table 1.

1 Subject Content and Application Scope 2 Steady State Circular Test 3 Returnability Test 4 Steering Efforts Test 5 Steering Transient Response Test (Steering Wheel Angle Step Input) 6 Steering Transient Response Test (Steering Wheel Angle Pulse Input) 7 Slalom Test 8 Total Evaluation Score for Operation Stability of Automobiles 9 Evaluation on Operation Stability of Automobiles