BRIEF INTRODUCTION OF UN R160 REGULATION

BRIEF INTRODUCTION OF UN R160 REGULATION

RELEASE DATE:2022-03-05 16:06
Brief: Vehicle’s EDR, or event data recorder, commonly known as "black box", is used for data collection and storage in unexpected situations such as vehicle collisions. According to UN R160 regulation, vehicles equipped with EDR need to complete type approval along with the whole vehicle and receive E-mark certificate to enter the EU market.


THE INTRODUCTION OF UN R160
UN R160 regulation applies to M1, N1 vehicles equipped with EDR devices. The provisions concern the minimum collection, storage and crash survivability of motor vehicle crash event data. The purpose of these provisions is to ensure that EDR’s record, in a readily usable manner, data valuable for effective crash investigations and for analysis of safety equipment performance (e.g., advanced restraint systems). These data will help provide a better understanding of the circumstances in which crashes and injuries occur and will facilitate the development of safer vehicle designs.

INFORMATION PROVIDED BY THE MANUFACTURER
The manufacturer shall provide the following explanatory information about the EDR device:
• The location of the EDR in the vehicle, the triggering parameters, storing capacity and the resistance to high deceleration and mechanical stress of a severe impact;
• The data elements and format stored in the EDR;
• Instructions for retrieving data from the EDR.

TECHNICAL REQUIREMENTS
1. The EDR non-volatile memory buffer shall accommodate the data related to at least two different events.
2. An event shall be recorded by the EDR if one of the following threshold values is met or exceeded: 
(1) Change in longitudinal or lateral vehicle velocity more than 8 km/h within a 150 ms or less interval. 
(2) Activation of Non-reversible occupant restraint system or vulnerable road user secondary safety system (If applicable).
3. In the circumstances where a non-reversible occupant restraint system or vulnerable road user secondary safety system (if applicable) is deployed, the memory for the event shall be locked to prevent any future overwriting of the data by subsequent event. 
4. Data recorded in non-volatile memory is retained after loss of power. 
5. The data shall be retrievable even after an impact of a severity level set by UN Regulations Nos.94, 95 or 137.
6. The data that are mandatory to be recorded by R160 are shown in the table below:

Data element 
Recording interval/time (relative to time zero)
Data sample rate (samples per second) 
Delta-V, longitudinal
0 to 250 ms or 0 to End of Event Time plus 30 ms, whichever is shorter.
100
Maximum delta-V, longitudinal
0–300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter.
N.A.
Time, maximum delta-V, longitudinal
0–300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter.
N.A.
Speed, vehicle indicated
-5.0 to 0 sec 
2
Engine throttle, % full (or accelerator pedal, % full) 
-5.0 to 0 sec 
Service brake pedal, on/off 
-5.0 to 0 sec 
Ignition cycle, crash 
-1.0 sec 
N.A.
Ignition cycle, download 
At time of download 
N.A.
Safety belt status, driver 
-1.0 sec 
N.A.
Airbag warning lamp, on/off 
-1.0 sec 
N.A.
Frontal airbag deployment, time to deploy, in the case of a single stage airbag, or time to first stage deployment, in the case of a multi- stage airbag, driver 
Event 
N.A.
Frontal airbag deployment, time to deploy, in the case of a single stage airbag, or time to first stage deployment, in the case of a multi- stage airbag, front passenger 
Event 
N.A.
Multi-event, number of events 
Event 
N.A.
Time from event 1 to 2
As needed 
N.A.
Complete file recorded (1 ~ 14) 
Y/N 
N.A.

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EDR HOMOLOGATION PLEASE CONTACT 
Bruce got his master's degree from Nanjing University of Technology, he is now an expert in whole vehicle performance testing, certification and regulation research for global vehicle homologation.
Bruce Chen
Vehicle Homologation Project Engineer
Bruce holds a Master's degree from Nanjing University of Technology, in ATIC, he is the professional driver & racer and type approval testing engineer
Phone: +86 020-82510156
Mail: cs@atic-cn.com