Hill descent control (HDC, or hill mode descent control) is a driver-assistance system allowing for a controlled hill descent in rough terrain without any brake input from the driver.
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Hill Descent Systems
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Understanding Hill Start Assist!
Transcription
Overview
A vehicle can perform controlled descent using the anti-lock braking system (ABS) and in some cases engine braking.[1][2] If a vehicle accelerates under the force of gravity, the system will automatically apply brakes to slow down to the desired vehicle speed. Cruise control buttons can adjust the speed on some vehicles.[2] Applying pressure to the accelerator or brake pedal will override the HDC system. Later implementations combine HDC with traction control and low-range gears and have reduced the set speed to slower than walking pace for extra control.
History
Land Rover invented HDC in late 1998 by adding it to the now discontinued Freelander. [1]
References
- ^ a b "What Is Hill-Descent Control? How This "Downhill Cruise Control" Works". MotorTrend. 2020-07-28. Retrieved 2022-03-19.
- ^ a b Markovich, Tony (6 February 2021). "What is hill-descent Control and How Does it Works?". The Drive. Retrieved 2022-03-19.
This page was last edited on 5 March 2024, at 12:31