JT/T 883-2014Commercial vehicle driving dangerous warning system technical requirements and test procedures (English PDF)
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Issued by
Ministry of Transport of PRC
Level / Type
National · Recommended
Issue date
April 15, 2014
Implementation date
September 1, 2014
Scope
JT/T 883-2014 (Commercial vehicle driving dangerous warning system technical requirements and test procedures) is available as an English-translated PDF.
JT/T 883-2014 — This standard specifies the general requirements, functional requirements, performance requirements, installation and use requirements, test methods, for the driving dangerous warning system of commercial vehicles (hereinafter referred to as the warning system).
This standard is applicable to the dangerous warning system for commercial vehicles, which are equipped with the warning function of the front vehicle collision and the dangerous state of lane departure.
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Document preview — JT/T 883-2014
National Standard of the People's Republic of China
- ICS
- 03.220.20; 35.240.60
- Classification
- R 86
Issued by: Ministry of Transport of PRC
Contents
- Foreword...3
- 1 Scope...4
- 2 Normative references...4
- 3 Terms and definitions...4
- 4 General requirements...5
- 5 Functional requirements...5
- 6 Performance requirements...7
- 7 Installation and usage requirements...7
- 8 Test methods...8
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by AND shall be under the jurisdiction of the National
Road Transport Standardization Technical Committee (SAC/TC 521).
Drafting organization of this standard. Highway Research Institute of Ministry of
Transport.
Participating drafting organizations of this standard. Tsinghua University State Key
Laboratory of Automobile Safety and Energy Conservation, Technology Center of
China FAW Co., Ltd., Dongguan Meibaoyu Automotive Intelligent Technology Co.,
Ltd.
1 Scope
This standard specifies the general requirements, functional requirements, performance
requirements, installation and use requirements, test methods, for the driving dangerous
warning system of commercial vehicles (hereinafter referred to as the warning system).
This standard is applicable to the dangerous warning system for commercial vehicles,
which are equipped with the warning function of the front vehicle collision and the
dangerous state of lane departure.
2 Normative references
The following documents are essential to the application of this document. For the dated
documents, only the versions with the dates indicated are applicable to this document;
for the undated documents, only the latest version (including all the amendments) is
applicable to this standard.
GB 5768.3-2009 Road traffic signs and markings - Part 3.Road traffic markings
GB/T 26773-2011 Intelligent transport systems - Lane departure warning systems -
Performance requirements and test procedures
JT/T 794 GNSS system for operating vehicles - Technical specification for vehicle
terminals
ISO 15623.2002 Transport information and control systems - Forward vehicle
collision warning systems - Performance requirements and test procedures
IEC 60825-1 Safety of laser products - Part 1.Equipment classification and
requirements
3 Terms and definitions
The terms and definitions as defined in JT/T 794, GB/T 26773-2011, ISO 15623.2002,
as well as the following terms and definitions, apply to this document.
3.1
Commercial vehicle driving dangerous warning system
A system, which automatically collects the speed, distance from the front vehicle,
lane, other vehicle running status information, during the driving process of the
commercial vehicle;
4 General requirements
4.1 Composition of early warning system
The early warning system shall include a front vehicle collision warning module, a lane
departure warning module, a data communication interface. The front vehicle collision
warning module and the lane departure warning module shall transmit no less than the
following information, to the on-board terminal of satellite positioning system, through
the data communication interface, respectively.
4.2 Others
The appearance, nameplate, text, graphics, signs, materials, enclosure protection of
each module of the early warning system shall meet the requirements of JT/T 794.
5 Functional requirements
5.1 Self-check
The early warning system shall be started, within 30 s after the vehicle is started;
complete the self-check of all the main system sensors and components; clearly indicate
the current working status of the early warning system, by signal lights or display
screens.
5.2 Automatic calibration
For a specific vehicle, the early warning system shall be able to automatically calibrate,
to compensate for normal or predictable changes in vehicle load (e.g. empty/full fuel
tank, trailer with/without bucket, loaded/unloaded, one or more occupants, etc.).
5.3 Front vehicle collision warning
5.3.1 The early warning system shall meet the requirements of Appendix A.
5.4 Lane departure warning
5.4.1 The function of the early warning system shall meet the requirements of Chapter
4 of GB/T 26773-2011.
5.4.2 The early warning system shall be able to detect the following lane lines, which
meet the requirements of GB 5768.3-2009.
5.4.3 When driving under normal road conditions, the early warning system shall be
able to detect lane lines, in lighting conditions such as in day, night, dusk, dawn.
5.4.4 When the driver has a tendency to change lanes or turn AND turn on the turn
signal in the correct direction, the early warning system shall not issue a lane departure
warning.
5.5 Others
The early warning system shall provide the driver with a human-machine interface,
including indicator lights related to the operating state of the system, alarm information
of dangerous states in the form of sound/tactile/visualization, the operating/stop/fault
state of the system. Indicator lights shall clearly show status in direct sunlight and at
night.
6 Performance requirements
6.1 Overall performance
The early warning system and firmware shall keep working independently and stably
for 24 hours. They shall meet the following performance requirements.
6.2 Others
The electrical performance, environmental adaptation performance, electromagnetic
compatibility performance of the early warning system shall comply with the relevant
requirements of JT/T 794.
7 Installation and usage requirements
7.1 The early warning system shall be installed, in accordance with the manufacturer's
recommendations. It shall not affect the driver's sight. It shall not be installed on
surfaces, which are prone to vibration.
7.2 The main components of the early warning system, such as controllers and sensors,
shall be marked with the manufacturer's logo.
8 Test methods
8.1 Test conditions
The test conditions are as follows.
8.2 Alarm test of front vehicle collision dangerous state
8.2.1 Test 1
8.2.1.3 Test procedure
The test steps are as follows.
8.2.2 Test 2
8.2.2.1 Test method
The subject vehicle approaches, at a constant speed, the front vehicle; the speed of the
front vehicle is lower than that of the subject vehicle. The test process is as shown in
Figure 2.
8.2.2.3 Test procedure
The test steps are as follows.
8.3 Alarm test for lane departure dangerous state
8.3.1 Test rules
Carry out test respectively on different lane types in 5.4.2.The test method is carried
out, in accordance with the requirements of Chapter 5 of GB/T 26773-2011.
8.3.2 Reliability of lane departure alarm
For repeatability tests conducted on straight lanes, the early warning system shall pass
three tests out of a single set of four tests, AND pass 13 tests out of a total of 16 tests as
required.
JT/T 883-2014
TRANSPORT INDUSTRY STANDARD
ICS 03.220.20; 35.240.60
R 86
Filing No..
Commercial vehicle driving dangerous warning system
technical requirements and test procedures
Issued on. APRIL 15, 2014
Implemented on. SEPTEMBER 01, 2014
Issued by. Ministry of Transport of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 4
4 General requirements... 5
5 Functional requirements... 5
6 Performance requirements... 7
7 Installation and usage requirements... 7
8 Test methods... 8
Appendix A (Normative) Technical specifications and requirements for early warning
systems)... 13
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by AND shall be under the jurisdiction of the National
Road Transport Standardization Technical Committee (SAC/TC 521).
Drafting organization of this standard. Highway Research Institute of Ministry of
Transport.
Participating drafting organizations of this standard. Tsinghua University State Key
Laboratory of Automobile Safety and Energy Conservation, Technology Center of
China FAW Co., Ltd., Dongguan Meibaoyu Automotive Intelligent Technology Co.,
Ltd.
1 Scope
This standard specifies the general requirements, functional requirements, performance
requirements, installation and use requirements, test methods, for the driving dangerous
warning system of commercial vehicles (hereinafter referred to as the warning system).
This standard is applicable to the dangerous warning system for commercial vehicles,
which are equipped with the warning function of the front vehicle collision and the
dangerous state of lane departure.
2 Normative references
The following documents are essential to the application of this document. For the dated
documents, only the versions with the dates indicated are applicable to this document;
for the undated documents, only the latest version (including all the amendments) is
applicable to this standard.
GB 5768.3-2009 Road traffic signs and markings - Part 3.Road traffic markings
GB/T 26773-2011 Intelligent transport systems - Lane departure warning systems -
Performance requirements and test procedures
JT/T 794 GNSS system for operating vehicles - Technical specification for vehicle
terminals
ISO 15623.2002 Transport information and control systems - Forward vehicle
collision warning systems - Performance requirements and test procedures
IEC 60825-1 Safety of laser products - Part 1.Equipment classification and
requirements
3 Terms and definitions
The terms and definitions as defined in JT/T 794, GB/T 26773-2011, ISO 15623.2002,
as well as the following terms and definitions, apply to this document.
3.1
Commercial vehicle driving dangerous warning system
A system, which automatically collects the speed, distance from the front vehicle,
lane, other vehicle running status information, during the driving process of the
commercial vehicle;
4 General requirements
4.1 Composition of early warning system
The early warning system shall include a front vehicle collision warning module, a lane
departure warning module, a data communication interface. The front vehicle collision
warning module and the lane departure warning module shall transmit no less than the
following information, to the on-board terminal of satellite positioning system, through
the data communication interface, respectively.
4.2 Others
The appearance, nameplate, text, graphics, signs, materials, enclosure protection of
each module of the early warning system shall meet the requirements of JT/T 794.
5 Functional requirements
5.1 Self-check
The early warning system shall be started, within 30 s after the vehicle is started;
complete the self-check of all the main system sensors and components; clearly indicate
the current working status of the early warning system, by signal lights or display
screens.
5.2 Automatic calibration
For a specific vehicle, the early warning system shall be able to automatically calibrate,
to compensate for normal or predictable changes in vehicle load (e.g. empty/full fuel
tank, trailer with/without bucket, loaded/unloaded, one or more occupants, etc.).
5.3 Front vehicle collision warning
5.3.1 The early warning system shall meet the requirements of Appendix A.
5.4 Lane departure warning
5.4.1 The function of the early warning system shall meet the requirements of Chapter
4 of GB/T 26773-2011.
5.4.2 The early warning system shall be able to detect the following lane lines, which
meet the requirements of GB 5768.3-2009.
5.4.3 When driving under normal road conditions, the early warning system shall be
able to detect lane lines, in lighting conditions such as in day, night, dusk, dawn.
5.4.4 When the driver has a tendency to change lanes or turn AND turn on the turn
signal in the correct direction, the early warning system shall not issue a lane departure
warning.
5.5 Others
The early warning system shall provide the driver with a human-machine interface,
including indicator lights related to the operating state of the system, alarm information
of dangerous states in the form of sound/tactile/visualization, the operating/stop/fault
state of the system. Indicator lights shall clearly show status in direct sunlight and at
night.
6 Performance requirements
6.1 Overall performance
The early warning system and firmware shall keep working independently and stably
for 24 hours. They shall meet the following performance requirements.
6.2 Others
The electrical performance, environmental adaptation performance, electromagnetic
compatibility performance of the early warning system shall comply with the relevant
requirements of JT/T 794.
7 Installation and usage requirements
7.1 The early warning system shall be installed, in accordance with the manufacturer's
recommendations. It shall not affect the driver's sight. It shall not be installed on
surfaces, which are prone to vibration.
7.2 The main components of the early warning system, such as controllers and sensors,
shall be marked with the manufacturer's logo.
8 Test methods
8.1 Test conditions
The test conditions are as follows.
8.2 Alarm test of front vehicle collision dangerous state
8.2.1 Test 1
8.2.1.3 Test procedure
The test steps are as follows.
8.2.2 Test 2
8.2.2.1 Test method
The subject vehicle approaches, at a constant speed, the front vehicle; the speed of the
front vehicle is lower than that of the subject vehicle. The test process is as shown in
Figure 2.
8.2.2.3 Test procedure
The test steps are as follows.
8.3 Alarm test for lane departure dangerous state
8.3.1 Test rules
Carry out test respectively on different lane types in 5.4.2.The test method is carried
out, in accordance with the requirements of Chapter 5 of GB/T 26773-2011.
8.3.2 Reliability of lane departure alarm
For repeatability tests conducted on straight lanes, the early warning system shall pass
three tests out of a single set of four tests, AND pass 13 tests out of a total of 16 tests as
required.
......
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.
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GB 5768.3-2009 — Road Traffic Signs and Markings - Part 3: Road Traffic Markings
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