3 Mar E/ECE//Rev.1/Add/Rev.8−E/ECE/TRANS//Rev.1/Add/Rev.8 . Appendix 1 – List of vehicle data for the purpose of regulation No. The UNECE Sustainable Transport Division provides the secretariat services to WP, the World Forum that incorporates into its regulatory framework the. vehicle regulations not only to lift up our people’s safety and environmental . harmonization and the mutual recognition of approvals on UN/ECE/RH.

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Vehicle Regulations – Transport – UNECE

In the event of a failure in the energy source, whilst the vehicle is stationary and the parking braking system applied, the energy in the reservoir shall be sufficient to actuate the lights even when the brakes are applied.

Excessive analogue filtering shall be avoided, and all filters shall have sufficiently similar phase characteristics to ensure that time delay differences are within the required accuracy for the time measurement.

The contribution of the electric regenerative braking system to the braking force generated shall rgulations exceed that minimum level guaranteed by the system design. Determine lateral displacement by integrating zeroed lateral velocity. Vehicle type according to Regulation No Regulatiions approval: There may be, in addition to the driver, a second person on the front seat who is responsible for noting the results of the tests.

This information shall be made freely available, e. To eliminate the effects of differential brake temperatures it is recommended that z AL be determined prior to the determination of k.

Vehicle Regulations

The simulation shall be carried out with a validated modelling and simulation tool and using the dynamic manoeuvres of paragraph 5. Provisions for the periodic technical inspection of braking systems. The requirements of Annex 8 shall be applied to the safety aspects of all complex electronic vehicle control systems which provide or form part of the control transmission of the braking function including those which utilise the braking system s for automatically commanded braking or selective braking.


Special additional requirements for service braking systems with electric control regulatuons Where braking torque for a particular axle or axles is provided regulatios both a friction braking system and an electrical regenerative braking system of category B, disconnection of the latter source is permitted, providing that the friction braking source remains permanently connected and able to provide the compensation referred to in paragraph 5.

For vehicles fitted with an electric regenerative braking system of either category, all the relevant prescriptions shall apply except paragraph 5. The time delay for all filter orders is: If wheel lockup commences at a braking rate less than 0,15 and more than 0,8 then the test is invalid and should be repeated on a different road surface.

– Transport – UNECE

The purpose of this test is to measure the brake factors and thus determine the adhesion utilisation of the front and rear axles over a range of braking rates between 0,15 and 0,8. This annex defines the required braking performance for road vehicles fitted with anti-lock systems. With the parking brake released, the service braking system shall be able to fulfil the following requirements:. A control, whose only purpose is to place the ESC system in a mode in which it will no longer satisfy the performance requirements of paragraphs 3, 3.

Information defining the maximum acceptable wear limit at the point at which replacement becomes necessary. The driver can at any moment increase or decrease the braking force by acting on the control; 2. The vehicle is allowed to cool-down between each test runs for a period of 1,5 to 5 minutes, with the vehicle stationary.

TESTS Braking tests which the vehicles submitted for approval are required to undergo, and the braking performance required, are described in Annex 3 to this Regulation.

The above approval mark affixed to a vehicle shows that the vehicle type concerned has, with regard to braking, been approved in the United Kingdom E 11 pursuant to Regulation No H under approval number A specified failure or defect shall be signalled to fegulations driver by the above-mentioned warning signal regulatikns not later than on actuation of the relevant braking control.

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That has an algorithm to determine the need, and a means to modify propulsion torque, as necessary, to assist the driver in maintaining control of the vehicle.

These devices need not operate simultaneously, provided that each of them meets the above requirements and the acoustic signal is not actuated before the optical signal.

A typical model may include the following vehicle parameters in an explicit or implicit form:. While regulationd initial start-up self test and plausibility checks are completed, not to exceed 2 minutes when driven under the conditions of paragraph 5. This procedure is applicable to vehicle batteries used for traction and regenerative braking.

Both rear wheels shall not reach a locked condition prior to both front wheels being locked — at vehicle braking rates between 0,15 and 0,8.

The example in Figure 3 has its origin at the time t 0 crossing the a ABS line 2 seconds. Torque wheel test procedure.

EUR-Lex Access to European Union law

The maximum mass, as defined in paragraph 2. Any such part as aforesaid whose failure would make it impossible to brake the vehicle with a degree of effectiveness at least equal to that prescribed for secondary braking shall be made of metal or of a material with equivalent characteristics and shall not undergo notable distortion in normal operation of the braking systems.

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