BS ISO 22139:2022
$142.49
Heavy commercial vehicles and buses. Test method for steering effort measurement when manoeuvring at low speed or with stationary vehicle
Published By | Publication Date | Number of Pages |
BSI | 2022 | 30 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | National foreword |
6 | Foreword |
7 | 1 Scope 2 Normative references 3 Terms and definitions |
10 | 4 Principle 5 Variables |
11 | 6 Measuring equipment 6.1 Description 6.2 Transducer installations 6.3 Data processing |
12 | 7 Test conditions 7.1 General 7.2 Test track when manoeuvring at low speed 7.3 Test track with stationary vehicle 7.4 Test vehicle 7.4.1 General data 7.4.2 Operating components 7.4.3 Tyres and rims 7.4.4 Vehicle loading conditions |
13 | 8 Test procedure 8.1 Preparation of test vehicle 8.2 Warm-up 8.3 Measurement with a stationary vehicle |
14 | 8.4 Measurement when manoeuvring at low speed |
15 | 9 Data evaluation and presentation of results 9.1 Time histories |
16 | 9.2 Maximum steering-wheel torque vs. steering-wheel speed |
17 | 9.3 Catch up steering-wheel speed 9.4 Cartesian coordinates 9.5 Maximum steering-wheel torque (MHmaxL and MHmaxR) |
18 | 9.6 Steering-wheel work when steering OUT (WH OutL and WH OutR) |
19 | 9.7 Steering-wheel torque when steering IN (MH 0L and MH 0R) |
20 | 9.8 Steering work when steering IN (WH InL and WH InR) |
21 | 9.9 Steering return ability 9.9.1 Remaining steering-wheel angle (Ī“H remLand Ī“H remR) |
22 | 9.9.2 Steering-wheel speed when returning to steering-wheel straight forward position 9.10 Steering-wheel torque variation āMHmax / MHmax (%) |
24 | Annex A (normative) Test report ā General data |
27 | Annex B (normative) Test report ā Test conditions |
29 | Bibliography |