Enhancing Safety Measures for Vulnerable Road Users in Low-Speed Manoeuvres
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Reverse motion regulation
9th, 10th and 11th of March 2021
VRU-Proxi-17-05
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Proposal on annex 9 - §3.2:
3.2.
Extract photographic data.
(a) Using the photograph, measure the apparent length, of a 50 mm delineated section of the in-photo ruler,
along the ruler’s
edge, closest to the rear-view image and at a point near the horizontal centre of the rear-view image.
(b) Using the photograph, measure the horizontal width of
the coloured band at
the upper portion of each of the three test
objects
located at positions G, H, and I in Figure B
(c) Define the measured horizontal widths
of the coloured bands
of the three test objects as dG, dH, and dI.
Justifications:
-
Annex 9 - §3 defines the methodology to measure the object size shown in the monitor (the requirement is in §16.1.1, see
below):
16.1.1.
Object size
When the Rear-view image is measured in accordance with the paragraphs 3. of Annex 9, the calculated visual angle subtended by the
horizontal width of:
(a) All three test objects at the last row specified in 15.2 shall average not less than 5 minutes of arc; and
(b) Each individual test object shall not be less than 3 minutes of arc.
-
Annex 9 - §3.2 is a copy paste of FMVSS111 and this coloured band is defined in FMVSS111 and used to measure the object
size (See below illustration). The coloured band is not defined in UN-R158 and may be confused with the movable painted
patch
FMVSS 111 object
coloured band used
to measure the
object size
UN-R158 painted patch used
to checke the visibility of the
poles in the first row
Remote Control Functions
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Justification:
During remote functions according to UN Regulation No. 79 the vehicle driver has no access to his
human machine interface.] Alignment with the text of Text of UN Regulation No. 79:
2.3.4.4. "Remote Control Manoeuvring (RCM)" means a function actuated by the driver that provides
direct control on steering angle, acceleration, and deceleration for low speed manoeuvring. The
actuation is made by remote control in close proximity to the vehicle.
2.4.8. "Remote Controlled Parking (RCP)" means an ACSF of category A, actuated by the driver,
providing parking or low speed manoeuvring. The actuation is made by remote control in close
proximity to the vehicle.
Additional point for consideration/discussion
Additional point to be considered is the additional red text formulation in general to cover future systems in this regulation (R158) and
accordingly there would be no need for additional changes or supplements.
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Since it is expected to be included in UN R152 supplement, it would be useful to apply the same to R158 to maintain uniformity.
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(a) Put the vehicle into the active vehicle mode. This action shall initiate/start the first
timer.
(b) Wait for a minimum of 6 sec
(c) Start the backing event by selecting the reverse mode. If it is not possible to put the
vehicle into reversing mode 6 sec after being put into active vehicle mode, the backing
event shall be started as soon as technically possible.
(d) Initiate/start the second timer, in accordance with the manufacturer’s specification
and no later than when the reverse mode or gear is engaged.
(e) Record the response time on second timer until the rear-view is completely visible on
the display.
No reference to steering wheel position in the test procedure.
Not unique Technical Service feedback:
•
First technical service
negative feedback for display in the cluster
•
Second technical service
positive feedback because the verification is
performed at normal driving position. Anyway, the Technical Service
suggests a clarification in the regulation text.
No indication on the requirement violation
Optical Information Signal on the meter cluster
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Optical information
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As long as one information signal remains active, the driver may de-activate the
other information signals.
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(a) Place a test object in the required field of detection
(b) Put the vehicle into the active vehicle mode. This action shall initiate/start the first timer.
(c) Wait for a minimum of 6 sec
(d) Start the backing event by selecting the reverse mode. If it is not possible to put the vehicle
into reversing mode 6 sec after being put into active vehicle mode, the backing event shall be
started as soon as technically possible. Initiate/start the second timer, in accordance with the
manufacturer’s specification and no later than when the reverse mode or gear is engaged.
(e) Record the response time on second timer until information signal is available."
No reference to steering wheel position in the test procedure.
Not uniform Technical service feedback:
•
First technical service
negative feedback for optical signal in the
instrument cluster
•
Second technical service
positive feedback for optical signal in the
instrument cluster as long as audible signal is not de-activated.
No indication on the requirement violation
Monitor and Optical Information Signal on the meter cluster
Conclusions
Not uniform Technical Service feedback
Not clear indication on which requirement or procedure is violated
For Detection system:
The cluster is showing most of safety-related telltales and other information signals
For both systems
The tests are at static conditions.
In the test conditions is not defined a specific steering wheel position.
This session focuses on awareness of Vulnerable Road Users (VRU) in low-speed manoeuvres with a specific emphasis on reverse motion regulation. It includes discussions on object size measurement, remote control functions, and incorporating text for future system regulations. The aim is to improve safety standards and address concerns related to VRUs in proximity to vehicles during various manoeuvres. Relevant proposals and clarifications are presented for discussion and consideration.
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Presentation Transcript
17th Session GRSG informal group on awareness of Vulnerable Road Users proximity in low speed manoeuvres (VRU-Proxi) Reverse motion regulation 9th, 10th and 11th of March 2021 VRU-Proxi-17-05
Clarification on object size measurement (RVC) Proposal on annex 9 - 3.2: 3.2. Extract photographic data. (a) Using the photograph, measure the apparent length, of a 50 mm delineated section of the in-photo ruler, edge, closest to the rear-view image and at a point near the horizontal centre of the rear-view image. (b) Using the photograph, measure the horizontal width of the coloured band at the upper portion of each of the three test located at positions G, H, and I in Figure B (c) Define the measured horizontal widths of the coloured bands of the three test objects as dG, dH, and dI. Justifications: - Annex 9 - 3 defines the methodology to measure the object size shown in the monitor (the requirement is in 16.1.1, see below): 16.1.1. Object size When the Rear-view image is measured in accordance with the paragraphs 3. of Annex 9, the calculated visual angle subtended by the horizontal width of: (a) All three test objects at the last row specified in 15.2 shall average not less than 5 minutes of arc; and (b) Each individual test object shall not be less than 3 minutes of arc. - Annex 9 - 3.2 is a copy paste of FMVSS111 and this coloured band is defined in FMVSS111 and used to measure the object size (See below illustration). The coloured band is not defined in UN-R158 and may be confused with the movable painted patch FMVSS 111 object coloured band used to measure the object size along the ruler s objects UN-R158 painted patch used to checke the visibility of the poles in the first row
Remote Control Functions Addition of following text to incorporate remote control functions: x.x The requirements in paragraph [ ] shall not apply during a remote control manoeuvring and remote control parking ( Eg: ACSF Category A, RCP as defined in UN Regulation No. 79.) Justification: During remote functions according to UN Regulation No. 79 the vehicle driver has no access to his human machine interface.] Alignment with the text of Text of UN Regulation No. 79: 2.3.4.4. "Remote Control Manoeuvring (RCM)" means a function actuated by the driver that provides direct control on steering angle, acceleration, and deceleration for low speed manoeuvring. The actuation is made by remote control in close proximity to the vehicle. 2.4.8. "Remote Controlled Parking (RCP)" means an ACSF of category A, actuated by the driver, providing parking or low speed manoeuvring. The actuation is made by remote control in close proximity to the vehicle.
Additional point for consideration/discussion Additional point to be considered is the additional red text formulation in general to cover future systems in this regulation (R158) and accordingly there would be no need for additional changes or supplements. Suggested Text: x.x The requirements in paragraph [ ] shall not apply during a remote control manoeuvring and remote control parking ( Eg: ACSF Category A, RCP as defined in UN Regulation No. 79.) or while the automated driving functions are in control of the vehicle (driver not in control of the vehicle)*. *Red text formulation is up for discussions Reference to Supplement No.3 in UN-R152 (Presented GRVA Sept. 2020 Session) Link to the UNECE: https://unece.org/fileadmin/DAM/trans/doc/2020/wp29grva/ECE-TRANS-WP29-GRVA-2020-26e.pdf Since it is expected to be included in UN R152 supplement, it would be useful to apply the same to R158 to maintain uniformity.
Monitor on the meter cluster Regulation statement: 16.1.3.1. The monitor defined size shall be visible without any obstruction from the ocular reference point. A virtual testing is acceptable Test procedure: (a) Put the vehicle into the active vehicle mode. This action shall initiate/start the first timer. (b) Wait for a minimum of 6 sec (c) Start the backing event by selecting the reverse mode. If it is not possible to put the vehicle into reversing mode 6 sec after being put into active vehicle mode, the backing event shall be started as soon as technically possible. (d) Initiate/start the second timer, in accordance with the manufacturer s specification and no later than when the reverse mode or gear is engaged. (e) Record the response time on second timer until the rear-view is completely visible on the display. Video Display No reference to steering wheel position in the test procedure. Not unique Technical Service feedback: First technical service negative feedback for display in the cluster Second technical service positive feedback because the verification is performed at normal driving position. Anyway, the Technical Service suggests a clarification in the regulation text. No indication on the requirement violation
Optical Information Signal on the meter cluster Regulation statement: 17.3.4. Optical information In the case optical information is placed on a monitor used for other information such as meter cluster display or other displays, overlay is allowed and shall comply with the overlay requirements of the RVCS in 16.1.1.2. of this Regulation. As long as one information signal remains active, the driver may de-activate the other information signals. 17.2.2.1 Test procedure: (a) Place a test object in the required field of detection (b) Put the vehicle into the active vehicle mode. This action shall initiate/start the first timer. (c) Wait for a minimum of 6 sec (d) Start the backing event by selecting the reverse mode. If it is not possible to put the vehicle into reversing mode 6 sec after being put into active vehicle mode, the backing event shall be started as soon as technically possible. Initiate/start the second timer, in accordance with the manufacturer s specification and no later than when the reverse mode or gear is engaged. (e) Record the response time on second timer until information signal is available." Information signal No reference to steering wheel position in the test procedure. Not uniform Technical service feedback: First technical service negative feedback for optical signal in the instrument cluster Second technical service positive feedback for optical signal in the instrument cluster as long as audible signal is not de-activated. No indication on the requirement violation
Monitor and Optical Information Signal on the meter cluster Conclusions Not uniform Technical Service feedback Not clear indication on which requirement or procedure is violated For Detection system: The cluster is showing most of safety-related telltales and other information signals For both systems The tests are at static conditions. In the test conditions is not defined a specific steering wheel position.
