ECE R13H PDFECE R13H PDF

and share experiences on ECE Regulation implementation with a continuing support from many Meeting on UN/ECE R13H, Braking for Passenger Vehicles . Regulation No H of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of passenger cars. ECE Regulation 90 (abbreviated “ECE R90”) is an ECE Regulation specifying design, construction, and performance requirements and test protocols for.

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If auxiliary equipment is supplied with energy from the same reserve as the electric control transmission, it shall be ensured that, with the engine running at a speed not greater than 80 per cent of the maximum power speed, the supply of energy is sufficient to fulfil the prescribed deceleration values by either provision of an energy supply which is able to prevent discharge of this reserve when all auxiliary equipment is functioning or by automatically switching off pre-selected parts of the auxiliary equipment at a voltage above the critical level referred to in paragraph 5.

ECE Regulation 90

The driver shall be able to achieve this braking action from his driving seat. This energy may be the muscular energy r31h the driver, or energy from another source controlled by the driver, or a combination of these various kinds of energy.

The mean fully developed deceleration d m shall be calculated as the deceleration averaged with r31h to distance over the interval v b to v eaccording to the following formula: For vehicles powered completely or partially by an electric motor or motors ecce, permanently connected to the wheels, all tests shall be carried out with these motor s connected.

It shall be possible to easily assess this wear on service brake linings from the outside or underside of the vehicle, without the removal of the wheels, by the provision of appropriate inspection holes or by some other means.

The mean fully developed deceleration d m shall be calculated as the deceleration averaged with respect to distance over the interval v b to v eaccording to the following fce.

Vehicles on which the braking equipment requires the use of stored energy provided by hydraulic fluid under pressure shall be equipped with energy storage devices energy accumulators of a capacity meeting the requirements of paragraph 1. The service braking control shall then be fully actuated four times in succession with the vehicle stationary.

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Measuring equipment The variables listed in paragraph 2. 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.

Type-0 test ordinary performance test with cold brakes. Sampling and digitising considerations include pre-sampling amplification of signals to minimise digitising errors; number of bits per sample; number of samples per cycle; ee and hold amplifiers; and time-wise spacing of samples. F T and a T are threshold force and threshold deceleration r1h shown in Figure 1a. The energy storage device s shall not be fed; in addition, any energy storage t13h s for auxiliary equipment shall be isolated.

EUR-Lex Access to European Union law

Average the results of paragraph b above to calculate the average brake factor and brake hold-off pressure for all brake applications for the front axle. 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. Detailed drawings of each r1h3 to enable it to be easily located and identified.

Data to be recorded: The requirements shall also be the same as for type-approval, except that in the test described in paragraph 5. Other than as described in paragraph 5. Drum brake type e.

Would you like to keep them? A different type of braking equipment, with more particular reference to the presence or otherwise of equipment for braking a trailer or any presence of electric braking system.

Where functions are combined within a single Unit or indeed within a single computer, but shown in multiple blocks in the block diagram for clarity and ease of explanation, only a single hardware identification marking shall be used. With the engine stationary and commencing at a pressure that may be specified by the manufacturer but does not exceed the cut-in pressure, the warning device shall not operate following two full-stroke actuations of the service brake control.

The variables listed in paragraph 2. At the maximum charge level recommended by the manufacturer, as listed in the vehicle specification; or.

The simulation shall be a means whereby the vehicle stability performance shall be demonstrated with:. The ESC malfunction tell-tale need not be activated when a starter interlock is in operation.

Unless the vehicle has a variable brake proportioning system, this determination is made by static tests. The parking braking system shall ecce capable of holding the laden vehicle stationary on a 20 per cent up or down gradient. Once full deceleration has been achieved, the brake pedal shall be operated so that the Eve continues fully cycling. The performance prescribed for braking systems is based on the stopping distance and the mean fully developed deceleration.

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Where the operational status is indicated to the driver by warning signals, as specified in this Regulation, it shall be possible at a periodic technical inspection to confirm the correct operational status by visual observation of the warning signals following a power-on.

EUR-Lex – X(01) – EN – EUR-Lex

This value shall be specified by the manufacturer. This reserve of energy may be that intended for the service braking system. It may be a friction brake when the forces are generated by friction between two parts of the vehicle moving relatively to one another ; an electrical brake when the forces are generated by electro-magnetic action between two parts of the vehicle moving relatively to but not in contact with one another ; a fluid brake when the forces are generated by the action of a fluid situated between two parts of the vehicle moving relatively to one another ; or an engine brake when the forces are derived from an artificial increase in the braking action, transmitted to the wheels, of the engine.

The minimum filter characteristics and sampling rate shall be such that: A straight line is drawn from the origin through the point F Ta T as shown in Figure 1a. A control for an ESC system whose purpose is to place the ESC system in different modes, at least one of which may no longer satisfy the performance requirements of paragraphs 3, 3.

This test is conducted on a road test surface affording good adhesion.

The temperature shall be measured in accordance with the provisions of paragraph 2. Generation of a braking signal to illuminate stop lamps. Following the recovery process and test, further reconditioning of the linings shall be permitted before the test is made to compare this second cold performance with that achieved in the hot test, against the criteria of ecd 1.