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Adaptive Driver-assistance systems |
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AUTHORS |
| Tatsuya Yoshida |
Advanced Technical Center, Automotive Systems, Hitachi, Ltd. |
| Hiroshi Kuroda |
1st Electronic Device Design Dept., Engine Management System Div., Automotive Systems, Hitachi, Ltd. |
| Takaomi Nishigaito |
Mechanical Engineering Research Lab., Hitachi, Ltd. |
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OVERVIEW |
An ACC (adaptive cruise control) system and a pre-crash braking system have been put into practical application.
By automatically controlling the distance to a preceding vehicle, the ACC system helps to reduce driver fatigue.
And by measuring the relative speed and distance of the preceding vehicle, the pre-crash braking system takes control of the brakes in the event that a collision is unavoidable in order to mitigate the impact during the collision.
Although current adaptive driver-assistance systems are mainly applied for highway driving, even driving on public roads will become safer through technologies for coordination with information from surrounding infrastructure and through navigation systems and technologies for driving-environment recognition.
Aiming to contribute to the reduction in traffic accidents, while applying our know-how acquired in the industrial and railway fields, Hitachi Group is developing driving-environment recognition technology, driving-control technology, and actuator technology that all attain high reliability at low cost.
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TO READ THIS ARTICLE |
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RELEVANT SITES |
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KEYWORDS |
x-by-wire, active safety, vehicle dynamics control, ACC, adaptive cruise control, pre-crash braking control system
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