GB/T 44373-2024 English PDF (GB/T44373-2024)

GB/T 44373-2024: Intelligent and connected vehicle - Terms and definitions
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GB/T 44373-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
CCS T 04
Intelligent and Connected Vehicle – Terms and Definitions
ISSUED ON: AUGUST 23, 2024
IMPLEMENTED ON: AUGUST 23, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Underlying Common ... 4
4 Key Technologies ... 6
5 System Components ... 8
6 Function Application ... 11
Bibliography ... 12
Index ... 13
Intelligent and Connected Vehicle – Terms and Definitions
1 Scope
This Document defines the terms and definitions related to the underlying common, key
technologies, system components and functional applications of intelligent and connected
vehicles.
This Document is applicable to Type-M, -N and -O vehicles.
2 Normative References
There are no normative references in this Document.
3 Underlying Common
3.1 Intelligent and connected vehicle; ICV
A vehicle that has environmental perception, intelligent decision-making and automatic control,
or interacts with external information, or even collaborative control functions.
NOTE: As shown in Figure 1, vehicles that have any of the functions a, b, and c are called intelligent and
connected vehicles. Vehicles that only have the intelligent function (6.1) can also be called intelligent
vehicles; vehicles that only have the connected function (6.2) can also be called connected vehicles.
Key:
a – intelligent function (6.1)
b – connected function (6.2);
Intelligent function Connected function
c – with both intelligent function and connected function.
Figure 1 – Schematic diagram of definition of intelligent and connected vehicle
3.2 Driverless vehicle
Automated driving system-dedicated vehicle; ADS-DV
A vehicle that is designed to be driven automatically and does not have steering, braking,
acceleration and other driving-related controls for manual operation, except for devices for
handling emergency situations and temporary operations.
NOTE: "Driverless vehicles" may temporarily handle situations that are difficult for vehicles to handle
automatically through remote control, but do not include vehicles that are designed to be driven by remote
control all the time.
3.3 Functional safety
There is no unreasonable risk of hazards caused by abnormal performance of the
electrical/electronic system.
3.4 Safety of the intended functionality; SOTIF
There is no unreasonable risk of hazard due to inadequacy of the intended functionality or the
functionality it achieves.
3.5 Vehicle cybersecurity
The state of the vehicle whose electronic and electrical systems, components and functions are
protected so that its assets are not threatened.
[SOURCE: GB/T 40861-2021, 3.1]
3.6 Multi-pillar approach
A comprehensive verification and evaluation method for intelligent and connected vehicle
(3.1).
NOTE 1: The "multi-pillar approach" includes methods such as audit evaluation, simulation test, field
test and road test, etc.
NOTE 2: The "multi-pillar approach" is generally used for the verification and evaluation of level 3 and
above driving automation systems (5.1) specified in GB/T 40429-2021.
3.7 Intervention
The user’s behavior that actively influences the driving automation system (5.1) in performing
dynamic driving tasks in an effective manner that has been clearly defined by the system.
4.3 Prediction
The technology of the intelligent and connected vehicle (3.1) that predicts potential changes
in the driving environment around the vehicle.
NOTE: “Surrounding driving environment” includes passable areas, road signs, road markings, traffic
participants, obstacles, etc.
4.4 Localization
The technology of the intelligent and connected vehicle (3.1) for determining vehicle location.
NOTE: Common methods include simultaneous positioning and mapping technology, satellite
navigation technology, inertial navigation technology, environmental feature matching technology, etc.
4.5 Decision
The technology of the intelligent and connected vehicle (3.1) for determining vehicle driving
behavior.
NOTE: “Driving behavior” refers to behaviors such as following a vehicle, lane centering, collision
avoidance, obstacle avoidance, and lane changing, etc.
4.6 Planning
The technology of the intelligent and connected vehicle (3.1) for determining the vehicle's
intended driving trajectory.
4.7 Motion control
The technology of intelligent connected vehicle (3.1) driving along the planning (4.6)
trajectory through lateral/longitudinal driving maneuvers.
4.8 V2X vehicle to everything
A technology that allows vehicles to communicate with the outside world.
NOTE: "The outside world" refers to other vehicles, pedestrians, the cloud, infrastructure, etc. outside
the vehicle.
4.9 Software update
The process of upgrading a certain version of software to a new version (including changing
the configuration parameters of the software) through an update package.
NOTE 1: "Software update" is also called "software upgrade".
NOTE 2: "Software update" includes over-the-air update (4.10) and offline update.
4.10 Over-the-air update; OTA update
Software update (4.9) in which the update package is transmitted to the vehicle wirelessly
rather than using cables or other local connection methods.
NOTE 1: "Over-the-air update " is also called "remote update".
NOTE 2: "Local connection method" generally refers to a physical connection method through the on-
board diagnostic (OBD) interface, universal serial bus (USB) interface, etc.
5 System Components
5.1 Driving automation system; DAS
A system composed of hardware and software that realizes driving automation.
[SOURCE: GB/T 40429-2021, 2.2]
5.2 Advanced driver assistance systems; ADAS
A general term for various systems that use sensors, communications, decision-making and
execution devices installed on the vehicle to monitor the driver, vehicle and its driving
environment in real time, and assist the driver in performing driving tasks or actively
avoiding/mitigating collision hazards through information and/or motion control.
[SOURCE: GB/T 39263-2020, 2.1.1]
5.3 Automated driving system; ADS
A system composed of hardware and software that realizes the automated driving function
(6.4).
Note: "Automated driving system" refers to the level 3 and above driving automation system
(5.1) specified in GB/T 40429-2021.
5.4 Camera
A device that obtains image information through a photosensitive device.
5.5 Lidar
A device that uses laser beams to detect targets and obtain target information.
5.6 Millimeter-wave radar
A device that uses electromagnetic waves in the millimeter wave band to detect targets and
obtain target information.
complex.
[SOURCE: GB/T 40856-2021, 3.1, modified]
5.12 On-board unit; OBU
A device installed on a vehicle to enable communication between the vehicle and the outside
world.
NOTE: "The outside world" refers to other vehicles, pedestrians, the cloud, infrastructure, etc. outside
the vehicle.
5.13 Data storage system for automated driving; DSSAD
A system equipped on a vehicle with an automated driving function (6.4) that has the
functions of monitoring, collecting and storing data and supporting data reading during the
activation of the automated driving system (5.3).
5.14 Cloud-based computing platform
It provides dynamic basic data on vehicle operation, infrastructure, traffic environment, traffic
management, etc. for intelligent and connected vehicle (3.1) and its users, management and
service agencies; and has basic service mechanisms such as data storage, data operation and
maintenance, big data analysis, cloud computing, and information security; and supports the
basic support platform for the actual application needs of intelligent and connected vehicle
(3.1).
5.15 Vehicle-dedicated operating system
A collection of software that runs on the in-vehicle hardware and is used to manage hardware
resources, provide software platforms, provide interfaces, and provide basic services for upper-
layer applications.
NOTE: "Vehicle-dedicated operating system" includes vehicle-control operating system (5.15.1) and
vehicle-info operating system (5.15.2).
5.15.1 Vehicle-control operating system
A collection of software that runs on-board computing platform (5.9) hardware and the
automotive electronic control unit hardware, supporting the realization of driving automation
functions and safe and reliable operation of intelligent and connected vehicle (3.1).
5.15.2 Vehicle-info operating system
A collection of software that runs on-board information interactive system (5.11) and
instrument hardware; manages and controls the on-board software and hardware resources of
the intelligent and connected vehicle (3.1); and provides services other than the realization of
driving automation functions for the intelligent and connected vehicle.
6 Function Application
6.1 Intelligence function
Intelligent and connected vehicle (3.1) has environmental perception, intelligent decision-
making, automatic control and other functions.
6.2 Connection function
Intelligent and connected vehicle (3.1) uses communication technology to realize the function
of information exchange between vehicles and the outside world.
NOTE: "The outside world" refers to other vehicles, pedestrians, cloud, infrastructure, etc. outside the
vehicle.
6.3 Advanced driver assistance function
Driving automation system (5.1) is a function that assists the driver in performing some
dynamic driving tasks under specific design operating conditions.
NOTE: A general term for driving automation functions of level 2 and below specified in GB/T 40429-
2021, including "emergency assistance", "partial driving assistance" and "combined driving assistance"
functions.
6.4 Automated driving function
Driving automation system (5.1) is the function of replacing the driver to continuously and
automatically perform all dynamic driving tasks under specific design operating conditions.
NOTE: The general term for driving automation functions of level 3 and above specified in GB/T 40429-
2021, including "conditional automated driving", "highly automated driving" and "fully automated
driving" functions.
6.5 Automated parking function
The driving automation system (5.1) can continuously perform all dynamic driving tasks
under the designed operating conditions, automatically identify available parking spaces, and
complete the functions of parking in and out of parking spaces.
6.6 Platooning function
The driving automation system (5.1) realizes the function of safe and efficient driving by
exchanging information between vehicles in a queue, so that the vehicles in the queue follow a
predetermined sequence, distance between vehicles and/or change the formation.
GB/T 44373-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
CCS T 04
Intelligent and Connected Vehicle – Terms and Definitions
ISSUED ON: AUGUST 23, 2024
IMPLEMENTED ON: AUGUST 23, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Underlying Common ... 4
4 Key Technologies ... 6
5 System Components ... 8
6 Function Application ... 11
Bibliography ... 12
Index ... 13
Intelligent and Connected Vehicle – Terms and Definitions
1 Scope
This Document defines the terms and definitions related to the underlying common, key
technologies, system components and functional applications of intelligent and connected
vehicles.
This Document is applicable to Type-M, -N and -O vehicles.
2 Normative References
There are no normative references in this Document.
3 Underlying Common
3.1 Intelligent and connected vehicle; ICV
A vehicle that has environmental perception, intelligent decision-making and automatic control,
or interacts with external information, or even collaborative control functions.
NOTE: As shown in Figure 1, vehicles that have any of the functions a, b, and c are called intelligent and
connected vehicles. Vehicles that only have the intelligent function (6.1) can also be called intelligent
vehicles; vehicles that only have the connected function (6.2) can also be called connected vehicles.
Key:
a – intelligent function (6.1)
b – connected function (6.2);
Intelligent function Connected function
c – with both intelligent function and connected function.
Figure 1 – Schematic diagram of definition of intelligent and connected vehicle
3.2 Driverless vehicle
Automated driving system-dedicated vehicle; ADS-DV
A vehicle that is designed to be driven automatically and does not have steering, braking,
acceleration and other driving-related controls for manual operation, except for devices for
handling emergency situations and temporary operations.
NOTE: "Driverless vehicles" may temporarily handle situations that are difficult for vehicles to handle
automatically through remote control, but do not include vehicles that are designed to be driven by remote
control all the time.
3.3 Functional safety
There is no unreasonable risk of hazards caused by abnormal performance of the
electrical/electronic system.
3.4 Safety of the intended functionality; SOTIF
There is no unreasonable risk of hazard due to inadequacy of the intended functionality or the
functionality it achieves.
3.5 Vehicle cybersecurity
The state of the vehicle whose electronic and electrical systems, components and functions are
protected so that its assets are not threatened.
[SOURCE: GB/T 40861-2021, 3.1]
3.6 Multi-pillar approach
A comprehensive verification and evaluation method for intelligent and connected vehicle
(3.1).
NOTE 1: The "multi-pillar approach" includes methods such as audit evaluation, simulat...