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24. The expert from Italy introduced GRRF-83-09 proposing to insert in Global Technical Regulation (GTR) No. 3 (Motorcycle braking) provisions on tri-cycles Anti-lock Braking Systems (ABS), Emergency Stop Signal and means to disable the ABS function (‘ABS switch’) prepared in collaboration with the expert from IMMA. He informed GRRF on the related discussion at the Executive Committee AC.3 in November 2016 that agreed in principle with the proposal to align GTR No. 3 and Regulation No. 78. The expert from Canada answered to the proposal (GRRF-83-10). The GRRF agreed to resume consideration of these proposals on the basis of an official working document that the experts from Canada and Italy volunteered to prepare.
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GRRF-83-09 | Proposal for Amend. [3] to GTR No. 3
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Proposal for Amend. [3] to GTR No. 3
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Reference Number: GRRF-83-09
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Proposal to align GTR No. 3 with technical progress, addressing among others: electromagnetic compatibility/immunity of ABS-systems, ABS performance requirements for category 3-5 vehicles (three-wheelers), uniform requirements for equipment such Emergency Stop Signal and the means to disable the ABS, if equipped. This amendment aims to harmonize GTR with recent amendments made to UN Regulation No. 78.
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Submitted by: Italy
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Meeting Sessions: 83rd GRRF session (23-27
Jan 2017)
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Document date: 19 Jan 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF-83-10 | Proposal for amendments to GRRF-83-09 on amending GTR No. 3
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Proposal for amendments to GRRF-83-09 on amending GTR No. 3
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Reference Number: GRRF-83-10
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Proposal to delete passages under paragraph 3.1.15.2. referring to the “prediction of the vehicle deceleration” since no method for doing so is described in the regulation. Moreover, in a self-certification system, the requirement would have to be met for the actual vehicle deceleration. The proposal also substitutes switching between ABS modes for the terms “disable” and “deactivate” for greater clarity. Lastly, the proposal recommends the use of a clearly specified telltale design to signal the ABS operating status rather than to leave this function open to “…any other equivalent unequivocal indication of the disabled antilock brake system state.”
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Submitted by: Canada
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Meeting Sessions: 83rd GRRF session (23-27
Jan 2017)
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Document date: 21 Jan 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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