The "intelligent tire" utilizing passive SAW sensors measurement of tire friction

Pohl, A.; Steindl, R.; Reindl, L.

doi:10.1109/19.816111

Cited by 186 publications

(82 citation statements)

References 10 publications

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“…In recent years, to enhance the performance of antilock brake systems (ABSs) and detect the conditions of road surfaces, there has been a demand for intelligent tires that monitor the slip ratio and coefficient of friction (COF) between the tire rubber and the road surface (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11) ．For monitoring the slip ratio, it is necessary to measure rolling radius (out-of-plane displacement) of tires, while measurements of the applied force, which can be estimated using strain distribution, are required for monitoring the COF (1)(2)(3) . Pohl et al (3)(4) showed that it is possible to monitor road surface friction utilizing the deformation of the tread elements by using surface acoustic wave sensors fixed onto the interior surface of the tire rubber.…”

Section: Introductionmentioning

confidence: 99%

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Optical 3D Deformation Measurement Utilizing Non-planar Surface for the Development of an “Intelligent Tire”

Matsuzaki

Hiraoka

Todoroki

et al. 2010

JMMP

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Intelligent tires, also known as smart tires, are equipped with sensors to monitor the strain of the interior surface and the rolling radius of tire, and are expected to improve the reliability of tires and tire control systems such as anti-lock braking systems (ABS). However, the high stiffness of an attached sensor like a strain gauge causes sensors to debond from the tire rubber. In the present study, a novel optical method is used for the concurrent monitoring of in-plane strain and out-of-plane displacement (rolling radius) utilizing the non-planar surface of the monitoring object. The optical method enables noncontact measurement of strain distribution. The in-plane strain and out-of-plane displacement are calculated by using image processing with an image of the interior surface of a tire that is taken with a single CCD camera fixed on the wheel rim. This new monitoring system is applied to an aluminum beam and a commercially available radial tire. As a result, the monitoring system provides concurrent measurement of in-plane strain, out-of-plane displacement and tire pressure, and is shown to be an effective monitoring system for intelligent tires.

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Section: Introductionmentioning

confidence: 99%

“…Pohl et al (3)(4) showed that it is possible to monitor road surface friction utilizing the deformation of the tread elements by using surface acoustic wave sensors fixed onto the interior surface of the tire rubber. Yilmazoglu et al (5) used magnetic field sensors implanted in the tire rubber to detect tread deformation.…”

Section: Introductionmentioning

confidence: 99%

Optical 3D Deformation Measurement Utilizing Non-planar Surface for the Development of an “Intelligent Tire”

Matsuzaki

Hiraoka

Todoroki

et al. 2010

JMMP

View full text Add to dashboard Cite

show abstract

“…The wafer layout is designed for easy dicing into individual sensors, and on a 3" wafer yields 48 single and 18 'multiple' sensors. 5. Die details: as the sensors have been custom designed for the project, there is scope to prototype many different varieties of device.…”

Section: Proposed Approachmentioning

confidence: 99%

“…Vehicle condition monitoring for preventative maintenance. 5. Point of delivery weighing and billing of bulk loads.…”

Section: Introductionmentioning

confidence: 99%

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Design and Manufacture of Surface Acoustic Wave Sensors for Real-Time Weigh-in-Motion

Geraghty

O’Mahony

2005 IEEE Instrumentationand Measurement Technology Conference Proceedings

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Surface Acoustic Wave Delay Lines

Reindl

Ruppel²

2005

Encyclopedia of RF and Microwave Engineering

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Surface acoustic wave (SAW ) delay lines are special microwave components that have been used for electronic analog signal processing since the early 1970s. A tremendous variety of devices and systems for consumer, commercial, and military applications have been developed, running now at an annual rate of some hundred million U.S. dollars. SAW filters, especially linear and nonlinear delay lines, as well as reflective delay lines play a key role in the radiofrequency (RF ) and intermediate‐frequency (IF ) stages of many electronic systems such as radar systems, spread‐spectrum telecommunication systems, and wireless passive sensor systems. The objective of this article is to provide an overview of the latest developments in SAW delay lines and to identify novel emerging applications, especially in the field of wireless communications and sensing. The pertinent key issues for the successful design and mass fabrication of SAW devices are addressed and the underlying operating principles are discussed.

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The "intelligent tire" utilizing passive SAW sensors measurement of tire friction

Cited by 186 publications

References 10 publications

Optical 3D Deformation Measurement Utilizing Non-planar Surface for the Development of an “Intelligent Tire”

Optical 3D Deformation Measurement Utilizing Non-planar Surface for the Development of an “Intelligent Tire”

Design and Manufacture of Surface Acoustic Wave Sensors for Real-Time Weigh-in-Motion

Surface Acoustic Wave Delay Lines

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