GB/T 18954-2017Methods of setting running resistance on a chassis dynamometer for motorcycles and mopeds (English PDF)
摩托车和轻便摩托车底盘测功机行驶阻力的设定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 31, 2017
Implementation date
February 1, 2018
Scope
GB/T 18954-2017 is the English-translated version of 摩托车和轻便摩托车底盘测功机行驶阻力的设定方法.
GB/T 18954-2017 describes how to set the running resistance of a motorcycle or moped on a chassis dynamometer, so that the dynamometer reproduces the resistance the vehicle meets on the road.
It defines running resistance, reference speed, specified speed and reference mass - the curb mass plus a driver counted as 75 kg - and lists the symbols used.
The method covers the test motorcycle, the chassis dynamometer and the equipment, measurement accuracy, the road coast-down test and its data processing, and two ways of setting the dynamometer: from the coast-down results or from a look-up table.
Compared with the 2003 edition it extends the scope to three-wheeled motorcycles and mopeds and adds the look-up table method. It replaces GB/T 18954-2003, was issued on 31 July 2017 and has applied since 1 February 2018.
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Document preview — GB/T 18954-2017
National Standard of the People's Republic of China
- ICS
- 43.140
- Classification
- T 80
- Replacing
- GB/T 18954-2003
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 symbol
- 5 test motorcycle, chassis dynamometer, equipment
- 6 measurement accuracy
- 7 Road glide test
- 8 Data Processing
- 9 Set of chassis dynamometer based on road taxiing method
- Chassis dynamometer setup based on look-up table
- Appendix A (informative) Motorcycle Description
- Appendix B (informative) Chassis dynamometer and test equipment description
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is GB/T 18954-2003 "motorcycles and mopeds chassis dynamometer set inertial taxiing law" revision, The main differences are as follows.
--- Expand the scope of the standard, an increase of three-wheeled motorcycles and three-wheeled moped driving resistance on the chassis dynamometer settings method;
--- Increase the table lookup method.
1 Scope
This standard specifies the motorcycle and moped driving resistance on the chassis dynamometer setting method.
This standard applies to motorcycles and mopeds (hereinafter referred to as motorcycles).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 5378 Motorcycle and moped road test methods
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Running resistance
Motorcycle encountered all the obstacles encountered. The driving resistance measured by taxiway method also includes the friction of motorcycle transmission system resistance.
3.2 Reference speed
Calculate the motorcycle speed when running resistance, for the chassis dynamometer settings.
3.3 Specified speed
Measure the driving resistance and determine the motorcycle speed of the driving resistance curve.
3.4 Motorcycle reference mass
Vehicle curb weight plus the quality of the driver (calculated according to 75kg).
4 Symbol
The symbols listed in Table 1 apply to this document.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 18954
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 18954-2017 | Methods of setting running resistance on a chassis dynamometer for motorcycles and mopeds | current edition | Current |
| GB/T 18954-2003 | Methods of setting running resistance on a chassis dynamometer for motorcycles and mopeds | previous edition | Superseded |
This page sells the current edition, GB/T 18954-2017. Earlier editions are listed for reference only.
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