Displacement detection system and displacement detection method for brake pedal
AssigneeHl Mando Corporation
InventorJaehun Jung
Life of this patent
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Abstract
Disclosed herein is a displacement detection system for a brake pedal. The system includes a displacement detection device including a pedal wake up sensor detecting the change in magnetic flux to generate a wake up signal for activating a control device, and a pedal travel sensor having a plurality of detectors that independently detect the magnetic flux, and detecting a change in magnetic flux to measure a stroke of the brake pedal, and is configured to verify reliability of a measurement value that is measured by each of the plurality of detectors of the pedal travel sensor using a measurement value of the pedal wake up sensor.
Claims20
A displacement detection system for a brake pedal, the system comprising:
- a shaft moving in conjunction with a movement of the brake pedal;
- a magnet supported on a shaft to generate a magnetic field;
- a displacement detection device detecting a change in magnetic flux according to a movement of the magnet;
- and
- a control device generating a brake control signal according to a measurement value of the displacement detection device,
- wherein the displacement detection device comprises:
- a pedal wake up sensor detecting the change in magnetic flux to generate a wake up signal for activating the control device;
- and
- a pedal travel sensor having a plurality of detectors that independently detect the magnetic flux, and detecting a change in magnetic flux to measure a stroke of the brake pedal, and
- wherein the control device verifies reliability of a measurement value that is measured by each of the plurality of detectors of the pedal travel sensor using a measurement value of the pedal wake up sensor.
A displacement detection method for a brake pedal that detects a change in magnetic flux according to a movement of a magnet supported on a shaft moving in conjunction with a movement of the brake pedal to generate a magnetic field, the method comprising:
- detecting the change in magnetic flux through a pedal wake up sensor to generate a wake up signal for activating the control device;
- detecting a change in magnetic flux to measure a stroke of the brake pedal through a pedal travel sensor having a plurality of detectors that independently detect the magnetic flux;
- and
- verifying reliability of a measurement value that is measured by each of the plurality of detectors of the pedal travel sensor using a measurement value of the pedal wake up sensor.
Dependencies are inferred from the claim text.