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Wheel monitoring in vehicle

A wheel and vehicle technology, applied in tire measurement, vehicle parts, tire parts, etc., can solve the problem of very expensive updates

Pending Publication Date: 2020-02-21
NIRA DYNAMICS AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This means that any updates to the software after the vehicle is produced will be very expensive

Method used

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  • Wheel monitoring in vehicle
  • Wheel monitoring in vehicle
  • Wheel monitoring in vehicle

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Embodiment Construction

[0031] The wheel monitoring system in the electronic control unit (ECU) that is responsible for the electronic stability control (ESC) arranged in the vehicle has been "frozen" for testing and verification. The cost of replacement or update is very high, and the system "freezes" "It happened just before the production of vehicles started. This is because ESC is a safety-critical system.

[0032] In order to avoid this problem, the wheel monitoring device may be arranged far away from the vehicle, and the parameters required to perform the wheel monitoring function may be transmitted to the wheel monitoring device via a wireless link. However, in the case where the wireless link does not work due to lack of network coverage, for example, there will be no wheel monitoring function in the vehicle in this case. In addition, in some countries, there are regulations requiring all vehicles to include an internal tire under-inflation warning function, for example, in the form of a usual...

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Abstract

In accordance with one or more embodiments herein, a system (100) for wheel monitoring in a vehicle (200) is provided. The system (100) comprises at least one sensor (130), which is arranged in the vehicle (200) for generating at least one wheel related measurement, at least one vehicle processing device (110), which is included in the vehicle (200), and a remote processing arrangement (120), which is separate from the vehicle (200). The at least one vehicle processing device (110) is arranged to receive at least one wheel related measurement from the at least one sensor (130), and based on this perform a basic wheel monitoring functionality, determining whether there is a problem with one or more of the wheels. The remote processing arrangement (120) is arranged to receive at least one wheel related parameter, which is based on said at least one wheel related measurement, and perform an enhanced wheel monitoring functionality, providing further information regarding the determined problem with one or more of the wheels, by performing calculations based on said at least one wheel related parameter.

Description

Technical field [0001] The present disclosure generally relates to systems and methods for wheel monitoring in vehicles. Background technique [0002] In vehicle design, wheel monitoring is an important safety aspect, because wheel problems (such as flat tires or loose wheels) can easily cause accidents. Wheel monitoring also has driving economy aspects, not only due to the fact that tires with less than optimal air pressure wear out faster than correctly inflated tires, but also due to the reduced fuel consumption in vehicles with optimal tire pressure. fact. Therefore, the wheel monitoring system can be both a safety system and a device that protects the environment and avoids unnecessary costs. [0003] Several different types of wheel monitoring are known. WO2016 / 120019 describes the use of wheel speed signals to determine wheel abnormalities, such as loose wheels or wheels with zero tire pressure. US7111607 describes the use of sensors arranged inside the tire for tire pre...

Claims

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Application Information

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IPC IPC(8): B60C23/06B60C23/04
CPCB60C23/0479B60C23/061
Inventor P·林斯科格R·卡尔松
Owner NIRA DYNAMICS AB