BRIEF ANALYSIS OF THE MOVING OFF INFORMATION SYSTEM (MOIS)

BRIEF ANALYSIS OF THE MOVING OFF INFORMATION SYSTEM (MOIS)

RELEASE DATE:2021-10-14 17:49
Brief: In a stationary or low-speed driving state, the front of M2, M3, N2, and N3 vehicles will have a certain blind spot due to the limited field of view, which usually causes serious consequences for vulnerable road users (VRU).



BRIEF INTRODUCTION OF MOIS
“Moving Off Information System (MOIS)” means a system to detect and inform the driver of the presence of pedestrians and cyclists in the close-proximity forward blind-spot of the vehicle and, if deemed necessary based on manufacturer strategy, warn the driver of a potential collision. That is, when the vehicle is ready to start from a static state or drive straight at a low speed of no more than 10km/h, an information signal will be activated to remind the driver of the presence of pedestrians and cyclists in the close-proximity forward blind-spot of the vehicle, the information signal is low-intensity, and can be activated early enough to remind the driver; When the risk of collision increases, for example, when the vehicle accelerates from a standstill and a pedestrian or cyclist is located directly in front of the vehicle, a collision warning signal will be issued to remind the driver.

SCOPE AND EFFECTIVE TIME
This Regulation applies to the approval of vehicles of categories M2, M3, N2 and N3 with regard to an onboard system to detect and inform the driver of the presence of pedestrians and cyclists in the close-proximity forward blind-spot of the vehicle and, if deemed necessary based on manufacturer strategy, warn the driver of a potential collision.
 
The UN R159 regulation has come into effect on June 10, 2021, and will be mandatory for M2, M3, N2, N3 new models on July 6, 2022, and be enforced to for M2, M3, N2, N3 new registrations on July 7, 2024.

SPECIFICATIONS OF MOIS

No.
Specifications
Specific technical requirements
1
Scope of regulation
Vehicle categories: M2, M3, N2, N3
VRUs: Adult/child pedestrians, adult/child cyclists
2
System functionality

Detection of presence of VRUs in close proximity to vehicle front
Provision of signal to alert driver of VRU presence
  1. Information signal (medium-urgency, low-intrusion)
  2. Collision warning signal (high-urgency, high-intrusion)
3
MOIS deactivation

Automatic deactivation: if malfunction, contamination or low ambient light (≤15 lux) 
Manual deactivation: through a sequence of intentional actions,such as a double press
4
Human-Machine Interface (HMI)

  1. Information signal
Medium-urgency, low-intrusion signal
Advance alert for presence of VRUs in close-proximity to front 
Optical signal only
  1. Collision warning signal
High-urgency, high-intrusion signal
Manufacturer defined strategy to alert driver of imminent collision
At least two signal modes provided from optical, acoustic and haptic (optical signal shall be different from information signal)
  1. Failure warning signal
Signal to alert driver of automatic deactivation
Optical signal only – shall be different from information signal
5
Applicable vehicle manoeuvres

Stationary while preparing to move off from rest 
Moving off from rest in a straight line
Moving ahead slowly in a straight line
Operational at vehicle speeds of ≤10 km/h 
6
VRU manoeuvres

  1. Pedestrians:
Crossing perpendicular from nearside and offside, vehicle stationary
  1. Cyclists:
Crossing perpendicular from nearside and offside, vehicle stationary 
In carriageway, while stationary
In carriageway, while moving off in same direction as vehicle
  1. Speeds:
Pedestrian/cyclist crossing: 3-5 km/h
Cyclist in carriageway: 0-10 km/h
7
Detection zone

  1. Trade off between true positives (detection of VRUs at risk) and false positives (detection of VRUs not at risk)
Minimize false positives
  1. Maximum forward separation plane
Based on most forward point of the blind spot boundary 
Maximum of 3.7 m, minimum of 1.0 m, from vehicle front
  1. Minimum forward separation plane
Distance of 0.8 m from vehicle front
  1. Nearside/offside separation planes
Dependent on vehicle manoeuvre
Potential moving off manoeuvre: 0.5 m outboard from vehicle width 
Low speed manoeuvre: in line with vehicle width (vehicle trajectory)

MOIS MAIN TEST ITEMS ANALYSIS
1.Static Crossing Tests

Vehicle: the vehicle is stationary, but the main control switch has been activated and is in forward gear.
VRU: driving perpendicular to the vehicle longitudinal centerline plane, accelerating no more than 15m to reach a target speed of 3km/h or 5km/h, then uniformly to a distance of not less than 5m from the opposite plane of the vehicle.
Pass: VRU activates the information signal before reaching the last information point (dLPI) and the information signal is maintained all the time in the area surrounded by the maximum and minimum forward separation planes and the near- and far-side separation planes, which is shown in Figure 1 of Appendix 1, without activating the collision warning signal.

2.Longitudinal Stopping for Moving Off Cyclist Tests
 
Vehicle: accelerate to 10+0/-0.5km/h before entering the parking lane, and then decelerate to a stop after 5m of uniform motion, with a deceleration distance of 10m, so that the front of the vehicle is at pstop, and so that the vehicle is no longer in forward gear.
VRU: at first stationary in the position of pcyc, the distance between the front of the vehicle and the most tail of the VRU 100 +10/-0mm gap, when the big car after stopping, after a delay of not less than 10s, the VRU began to accelerate from 0 straight line to 10 +0/-0.5km/h, acceleration distance within 5m, and then deceleration, lateral movement tolerance should not exceed ± 0.05m.
Pass: the large vehicle is activated before reaching the stopping plane distance (pstop) corresponding to the last information point (dLPI) in Figure 2 of Appendix 1, and the MOIS information signal is maintained until the VRU crosses at least the vehicle front distance associated with the maximum forward separation distance (dFSP) in Figure 2 of Appendix 1. The collision warning signal may be activated as appropriate.
 
3.Longitudinal Moving Off with Cyclist Tests

Vehicle: accelerate to 10+0/-0.5km/h before entering the parking lane, and then decelerate to a stop after 5m of uniform motion, with a deceleration distance of 10m, so that the front of the vehicle is at pstop, and so that the vehicle is no longer in forward gear.
VRU: at first stationary at the position of pcyc, the distance between the front of the vehicle and the most rear of the VRU 100+10/-0mm gap, when the big car is stopped, after a delay of not less than 10s, the big car and the VRU at the same time began to accelerate from 0 straight line to 10+0/-0.5km/h, the acceleration distance within 5m, and then maintain a uniform speed until the big car from the pstop at the total driving The distance is not less than 15m, and the tolerance of lateral movement of both the big car and VRU should not exceed ±0.05m.
Pass: The vehicle is activated before it reaches the stopping plane distance (pstop) corresponding to the last information point (dLPI) in Figure 2 of Appendix 1, and the MOIS information signal is maintained until the vehicle crosses a distance of at least 15m from the pstop in Figure 2 of Appendix 1. The collision warning signal can be activated depending on the situation.

R151 BSIS AND R159 MOIS COMPARISON

Content
UN R151 Blind spot information system (BSIS)
UN R159 Moving off information system (MOIS)
Remark
Scope
M2,M3,N2,N3
M2,M3,N2,N3
Same
Entry into force
July 6, 2022
July 6, 2022

Same
Test target
Cyclist:ISO[CD] 19206-4
Pedestrian:ISO 19206-2: 2018
Cyclist:ISO[CD] 19206-4
Difference
Deactivation
Can only be deactivated automatically, not manually
Can be deactivated both automatically and manually
Difference
Detection zone
right side of the vehicle for right-hand traffic
in the close-proximity forward blind-spot of the vehicle
Difference
Test items
Failure detection test
Failure detection test
Same
Automatic deactivation test
Automatic deactivation test
Same
Verification of signals test
Verification of signals test
Same
Electromagnetic compatibility(EMC)(R10.04 and subsequent versions)
Electromagnetic compatibility(EMC)(R10.05 and subsequent versions)
Difference
Static test
Static Crossing Tests
Difference
Dynamic test
Longitudinal Stopping for Moving Off Cyclist Tests
Difference

Longitudinal Moving Off with Cyclist Tests
Difference



























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R159 HOMOLOGATION PLEASE CONTACT 

Emily graduated from Chongqing University of Technology with a master's degree. Emily focuses on automotive electronics cross-field compliance and certification solutions.
Emily Shui
Global Vehicle Regulation Research Department
Emily is Researcher in ATIC, she holds a Master's degree from Chongqing University of Technology. Emily is specializing in cross-disciplinary compliance and certification solutions, as well as ATIC regulation database development
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