This standard specifies the terms and definitions and general requirements of speed limitation system for motor vehicles, as well as requirements and test methods for vehicles with maximum speed limitation system and adjustable speed limitation system.
It is applicable to:
——Maximum speed limitation device and adjustable speed limitation device.
——Classes M and N vehicles equipped with maximum speed limitation device or adjustable speed limitation device.
——Classes M and N vehicles with maximum vehicle speed limitation function or adjustable speed limitation function.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 4094 Symbols for controls, indicators and tell-tales of motor vehicles
GB 7258 Technical specifications for safety of power-driven vehicles operating on roads
GB/T 12534 Motor vehicles - General rules of road test method
GB/T 15089 Classification of power-driven vehicles and trailers
GB/T 17619 Limits and methods of testing for immunity of electrical/electronic sub-assemblies in vehicles to electromagnetic radiation
GB/T 21437.2-2008 Road vehicles - Electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 25978 Road vehicle - Plate and label
GB/T 28046.1 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 1: General
GB/T 28046.2 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads
GB/T 28046.3 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 3: Mechanical loads
GB/T 28046.4 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 4: Climatic loads
GB/T 28046.5 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 5: Chemical loads
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB 7258 and GB/T 15089 and the following apply.
3.1
speed limitation system
system for limiting the vehicle speed realized by controlling the energy supply of the vehicle power unit and the management of the vehicle or engine (or motor), including maximum speed limitation system and adjustable speed limitation system
