Method and apparatus for monitoring tire pressure using zero crossing

A tire pressure monitoring and zero-crossing technology, applied in tire measurement, tire parts, transportation and packaging, etc., can solve the problems of inconsistent results of tire pressure estimation, complex calculation, and complex calculation of tire pressure monitoring system.

Active Publication Date: 2017-02-01
HYUNDAI AUTOEVER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both methods are complex and computationally intensive
[0017] Because the indirect tire pressure monitoring system is complex and has a large amount of calculation, the result of tire pressure estimation may not be consistent with the actual
Such an indirect tire pressure monitoring system may send a false alarm (false alarm) to the driver that does not match the actual situation.

Method used

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  • Method and apparatus for monitoring tire pressure using zero crossing
  • Method and apparatus for monitoring tire pressure using zero crossing
  • Method and apparatus for monitoring tire pressure using zero crossing

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Embodiment Construction

[0062] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0063] When describing the embodiments, descriptions of technical contents that are well known in the technical field to which the present invention pertains and are not directly related to the present invention are omitted. This is to enable more accurate expression without confusing the gist of the present invention by omitting unnecessary explanations.

[0064] For the same reason, in the drawings, some constituent elements are exaggerated, omitted, or schematically shown. In addition, the size of each constituent element does not fully reflect the actual size. In each drawing, the same reference numerals are attached to the same or corresponding components.

[0065] figure 1 It is a structural diagram of a tire pressure monitoring device using zero crossing according to an embodiment of the present invention.

[0066] like figure 1 As shown, the tire ...

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Abstract

The present invention relates to a method and apparatus for monitoring a tire pressure using zero crossing. The method in an embodiment includes acquiring a wheel speed signal of a vehicle; interpolating the obtained wheel speed signal by a fixed time; calculating a maximum value of the interpolated wheel speed signal using a time range of zero crossing; calculating a changed amount of the maximum value by comparing the maximum value of the calculated wheel speed signal and the maximum value of the predetermined normal pressure; and determining a low pressure of a tire mounted on the vehicle using the calculated changed amount of the maximum value.

Description

technical field [0001] This specification relates to a tire pressure monitoring method and device, and in more detail relates to a tire pressure monitoring method and device using zero crossing. Background technique [0002] The air pressure of the tire is one of the elements that the car can run safely. If the air pressure of the tires is low, the vehicle can easily cause a major accident due to skidding, and the fuel efficiency will be greatly reduced due to the increase of fuel consumption. In addition, not only the life of the tire is shortened, but also the ride feeling and braking force will be greatly reduced. If the tire's air pressure drops, functional problems like reduced fuel efficiency, tire wear, etc. may occur. Not only that, but if the air pressure drops significantly, it may be impossible to drive or the tire may blow out, resulting in an accident, etc., which may cause injury to the vehicle and people. [0003] However, drivers are usually unable to unde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/06
CPCB60C23/061B60C23/062
Inventor 金大宪罗东镇
Owner HYUNDAI AUTOEVER
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