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ISO 22840:2010-ITS- Devices to aid reverse maneuvers-ERBA

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ISO 22840:2010-Intelligent transport systems — Devices to aid reverse maneuvers — Extended range backing aid systems (ERBA)


This International Standard for extended-range backing aids (ERBA) addresses light-duty vehicles [e.g. passenger cars, pick-up trucks, light vans and sport utility vehicles (motorcycles excluded)] equipped with such ERBA systems. This International Standard establishes minimum functionality requirements that the driver can expect of the system, such as the detection of and information on the presence of relevant obstacles within a defined detection range. This International Standard also sets minimum requirements for failure indication as well as performance test procedures. This International Standard includes rules for the general information strategy but does not restrict the kind of information or display system.



This International Standard does not include reversing aids and obstacle-detection devices for use on heavy commercial vehicles. Requirements for those systems are defined in ISO/TR 12155. This International Standard does not include visibility-enhancement systems, such as video-camera aids that do not have distance ranging and warning capabilities.


The sensing technology is not addressed; however, technology does affect the performance test procedures defined in this International Standard. The test objects are defined based on systems using ultrasonic and radar sensors, which are the most commonly used detection technology for long-range applications at the time of publication of this International Standard.


ERBA systems are intended to supplement the interior and exterior rear view mirrors, not eliminate the requirement for such mirrors. Automatic actions (e.g. applying brakes to prevent a collision between the subject vehicle and the obstacle) are not addressed in this International Standard. Responsibility for the safe operation of the vehicle remains with the driver.


ERBA systems calculate a dynamic estimate of collision danger [e.g. perhaps using a time-to-collision, (TTC) algorithm] and warn the driver that immediate attention is required in order to avoid colliding with the detected obstacle. A dynamic warning is necessary for the higher vehicle speeds that occur in backing events where the relative closing velocities between the vehicle and the obstacle are greater as compared to low-speed situations, such as parking. The purpose of this dynamic warning is to deliver a more urgent warning to the driver in order for the driver to take timely action. Distance indications are optional, but if so included, it is recommended that reference be made to ISO 15008 for requirements.






Publication date: April 2010

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