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GA/T 1999.1-2022: Methods for speed identification of vehicles involved in road traffic accidents - Part 1: Method based on vehicle travelling data recorder
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Methods for speed identification of vehicles involved in road traffic accidents - Part 1: Method based on vehicle travelling data recorder
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GA/T 1999.1-2022
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Basic data | Standard ID | GA/T 1999.1-2022 (GA/T1999.1-2022) | | Description (Translated English) | Methods for speed identification of vehicles involved in road traffic accidents - Part 1: Method based on vehicle travelling data recorder | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | R81 | | Classification of International Standard | 43.020 | | Word Count Estimation | 12,152 | | Date of Issue | 2022-07-27 | | Date of Implementation | 2022-10-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 1999.1-2022: Methods for speed identification of vehicles involved in road traffic accidents - Part 1: Method based on vehicle travelling data recorder
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ICS 43:020
CCSR81
People's Republic of China Public Security Industry Standards
Appraisal Method of Vehicle Speed in Road Traffic Accidents
Part 1: Based on vehicle driving recorder
Released on 2022-07-27
2022-10-01 Implementation
Released by the Ministry of Public Security of the People's Republic of China
table of contents
Preface I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Identification requirements 2
5 Identification method 2
6 Expression of appraisal opinion 3
Appendix A (informative) Data record file extraction and fixation step 4
Appendix B (Informative) Inspection Process Original Record Form 6
Reference 7
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
to be drafted:
This document is the first part of GA/T 1999 "Vehicle Speed Appraisal Method for Road Traffic Accidents": GA/T 1999 has been issued with
Lower part:
--- Part 1: Based on the vehicle driving recorder;
--- Part 2: Based on the vehicle event data recording system:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Road Traffic Management Standardization Technical Committee (SAC/TC576):
This document is drafted by: Institute of Traffic Management Science, Ministry of Public Security:
The main drafters of this document: Gong Biao, Li Pingfan, Pan Hanzhong, Gao Yan, Wei Ran, Yan Yong, Zhang Aihong, Zhang Jun, Chen Yibo, Li Yi:
Introduction
Road traffic accident inspection and identification is an important link in the accident handling procedure, and vehicle speed identification is an important technical method among them:
The analysis of the cause of the accident and the determination of the responsibility for the accident have an important supporting role in evidence: Vehicle speed identification can be based on dynamics theory, empirical formula, model
Methods such as quasi-test, simulation reproduction, vehicle driving recorder, vehicle event data recording system, and video images are suitable for vehicle speed identification:
Select the appropriate method according to the accident form and inspection material conditions, and cross-validation should be carried out if the application requirements of multiple identification methods are met: GA/T 1999
It was formulated to guide the selection of vehicle speed identification methods, standardize the identification requirements, identification steps and methods for vehicle speed identification in road traffic accidents:
Appraisal opinion:
GB/T 33195-2016 "Vehicle Speed Appraisal in Road Traffic Accidents" is the universal and basic
Standard, GA/T 1999 "Vehicle Speed Appraisal Method for Road Traffic Accidents" is a supplement and detail to the appraisal method in GB/T 33195-2016
GA/T 1999 is proposed to be composed of three parts:
--- Part 1: Based on the vehicle tachograph: Aiming at ensuring the speed identification of vehicles in road traffic accidents based on vehicle travel recorders
The scientificity and accuracy of the determined results:
--- Part 2: Based on the vehicle event data recording system: Aiming at guaranteeing the safety of road traffic accidents based on automotive event data recording systems
Therefore, the scientificity and accuracy of the vehicle speed identification results:
--- Part 3: Based on video images: A science aimed at guaranteeing the results of vehicle speed identification in road traffic accidents based on video images
sex and accuracy:
Appraisal Method of Vehicle Speed in Road Traffic Accidents
Part 1: Based on vehicle driving recorder
1 Scope
This document specifies the terms and definitions, identification requirements, and identification methods for vehicle speed identification in road traffic accidents based on vehicle travel recorders:
and a statement of opinion:
This document is applicable to the identification of vehicle speed in road traffic accidents based on vehicle travel recorders, and the identification of vehicle behavior based on vehicle travel recorders:
The identification of the driving state and the identification of the vehicle speed based on the satellite positioning device with the function of driving records are carried out by reference:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 19056 Vehicle Travel Recorder
GB/T 33195 Appraisal of Vehicle Speed in Road Traffic Accidents
GA/T 1998-2022 Technical Specifications for Vehicle Electronic Data Extraction
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
Record and store vehicle speed, time, location and other data as well as audio and video data, and realize data transmission through data communication
digital electronic recording device:
[Source: GB/T 19056-2021, 3:1]
3:2
Extracted from the car driving recorder, it includes driving status records, accident doubt records, overtime driving records, driver information records, daily
Electronic data of log records and other information:
3:3
Integrity check value integritycheckvalue
The electronic data is calculated using a specific algorithm such as a hash algorithm, and the data value used to verify the integrity of the data is obtained:
[Source: GA/T 1568-2019, 2:74]
3:4
Integrity check integrity check
Use the integrity check value to check whether the data copy result is completely consistent with the copied data:
[Source: GA/T 1568-2019, 2:75]
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