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System and method for controlling the release of an automatic parking brake device onboard an automobile

A braking device and automatic parking technology, which is applied in the direction of automatic starting device, control device, braking action starting device, etc., to achieve the effect of improving accuracy

Inactive Publication Date: 2013-01-30
RENAULT SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such systems can cause a variety of operating problems in the event that at least one of the shifter's neutral position sensor and reverse position sensor fails or malfunctions (which is used to calculate the estimated threshold of torque delivered)

Method used

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  • System and method for controlling the release of an automatic parking brake device onboard an automobile
  • System and method for controlling the release of an automatic parking brake device onboard an automobile
  • System and method for controlling the release of an automatic parking brake device onboard an automobile

Examples

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Embodiment Construction

[0032] figure 1 An exemplary system 1 for controlling the release of an automatic parking brake 2 on a vehicle is shown. Vehicles may include manual, automatic or automated transmissions. The system comprises: a module 3 for estimating the torque ECT transmitted by the clutch, for measuring the inclination angle θ of the vehicle's driving surface tilt sensor 4, and a module 5 for controlling the release of the parking brake device 2.

[0033] The control module 5 includes a function for comparing the torque ECT transmitted by the clutch with the threshold torque CT seuil Compared to the first module 6. The torque ECT transmitted by the clutch is provided by the estimation module 3 to the first comparison module 6 via the connection 7 . According to the static inclination angle θ of the vehicle running surface transmitted by the storage module 16 via the connection 10 tilt_gelée , the stored figure 8 of the control module 5 will be the threshold torque CT seuil It is supp...

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Abstract

A system controlling release of an automatic parking brake onboard an automobile, that includes a mechanism estimating torque transmitted by the clutch, a sensor measuring an inclination angle of the rolling surface, and a mechanism controlling release of the parking brake device that compares the torque transmitted by the clutch with a continuous threshold torque depending on the inclination angle of the rolling surface at an end of a vehicle stop.

Description

technical field [0001] The invention relates to a system and a method for controlling the release of an automatic parking brake on a vehicle. Background technique [0002] In the prior art, a manual braking device known as a "handbrake" is known, which is used to mechanically ensure that the vehicle remains at a standstill in the absence of external input energy, even if it is subjected to The same is true for the appropriate force to move it. Thus, due to the specific features of the clutch device and the ergonomics of the driving control, the manual brake device makes it possible to keep the vehicle on an incline when changing the transmission ratio without causing the vehicle to roll back, as is usually the case with It is to cut off the traction force from the wheels before the transmission ratio of the gearbox is changed, so that the vehicle is subjected to the gravity and inertia on the slope. [0003] In such a so-called "hill start" driving maneuver or similar driv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T7/12
CPCB60W2550/142B60T7/122B60W2552/15
Inventor A·蒙蒂R·波廷
Owner RENAULT SA
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