Fevereiro 2014 vol. 1 num. 1 - XXI Simpósio Internacional de Engenharia Automotiva
Artigo Completo - Open Access.
INNOVATIVE HILL START ASSISTANCE DEVICE
The hill start in manual or automated manual transmission vehicles is faced by most users as inconvenient situation. In the time interval between brake pedal releasing and gas pedal pressing, the car might roll backwards, causing an unsafe or at least uncomfortable situation. The device currently presented offers a simple solution that assists the driver in such situation, keeping the vehicle stopped while the driver releases the brake pedal and requests enough engine torque to safely start in hill condition. The simplicity of the device allows its assembly in manual, automated manual or even automatic transmission cars, with or without anti-lock brake system and it also ensures its use from the lowest to the top range of vehicles. The operation principle is based on a directional valve assembled in the brake line which is only activated when all the logic conditions are redundantly checked on a hill start situation. An accelerometer is used to identify the exact hill inclination in which is the vehicle and calculate the required engine torque for a safe start.
Burger, Paulo; Buzinaro, Claudinei; Bucci, Alberto; "INNOVATIVE HILL START ASSISTANCE DEVICE", p. 748-754 . In: In Anais do XXI Simpósio Internacional de Engenharia Automotiva — SIMEA 2013.
São Paulo: Blucher,
ISSN 2357-7592, DOI 10.5151/engpro-simea-PAP100
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