On-line determination of tyre deformation, a novel sensor principle

Mágori, V.; Seitz, N.

doi:10.1109/ultsym.1998.762194

Cited by 23 publications

(19 citation statements)

References 4 publications

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“…Recent advances in instrumentation technologies have explored the possibility of obtaining accurate information about the forces applied to tyres during operation. For instance, an ultrasonic sensor mounted inside a tyre could be used to obtain real-time information about the vertical tyre deflection [5]. An alternative technique involves using capacitive-resistive sensors embedded within the tyre tread [6].…”

Section: Measurement Of Tyre Behaviourmentioning

confidence: 99%

Experimental Characterisation of Tyre Indentation by Simulated Runway Debris

Nguyen

Greenhalgh

Iannucci

et al. 2011

Strain

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As part of an investigation to assess the impact threat posed to vehicles by tyre‐lofted runway debris, it is important to gain a quantitative understanding of the interaction between inflated tyres and foreign objects. In this paper, experiments involving indentation of an inflated tyre to represent over‐rolling of a foreign object were used to estimate the energy that could be transferred to the over‐rolled object. The maximum kinetic energy that a 24‐mm diameter spherical stone could potentially attain from such an indentation‐related loft mechanism by a tyre inflated to 0.34 MPa (50 psi) was 20 J.

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Section: Measurement Of Tyre Behaviourmentioning

confidence: 99%

Experimental Characterisation of Tyre Indentation by Simulated Runway Debris

Nguyen

Greenhalgh

Iannucci

et al. 2011

Strain

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show abstract

“…Known as intelligent tires, they are equipped with sensors to monitor quantities such as strain [30, 31], temperature [32, 33], and acceleration [34] in addition to air pressure to improve automobile safety [35-42]. A European Union project, called APOLLO (2002–2005), has been set up for the purpose of developing intelligent tires that can monitor their deformation [20, 43-46].…”

Section: Advanced Intelligent Tiresmentioning

confidence: 99%

“…As a non-contact sensing technique for tire rubber, Magori et al [31] presented an ultrasonic tire sensor mounted on the base of the wheel rim inside the tire. The sensor measures continuously the distance to the opposite inner wall of the tire providing highly significant information about the status of the tire.…”

Section: Advanced Intelligent Tiresmentioning

confidence: 99%

Wireless Monitoring of Automobile Tires for Intelligent Tires

Matsuzaki

Todoroki

2008

Sensors

102

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This review discusses key technologies of intelligent tires focusing on sensors and wireless data transmission. Intelligent automobile tires, which monitor their pressure, deformation, wheel loading, friction, or tread wear, are expected to improve the reliability of tires and tire control systems. However, in installing sensors in a tire, many problems have to be considered, such as compatibility of the sensors with tire rubber, wireless transmission, and battery installments. As regards sensing, this review discusses indirect methods using existing sensors, such as that for wheel speed, and direct methods, such as surface acoustic wave sensors and piezoelectric sensors. For wireless transmission, passive wireless methods and energy harvesting are also discussed.

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“…As a consequence, there is an urgent need, from a traffic safety point-of-view, for intelligent tires with a road condition warning system to optimize control on poor surfaces, a tire defect detection system and a TPMS. Intelligent tires, equipped with sensors for monitoring applied strain [7,8] are effective in improving reliability and control systems, such as anti-lock braking systems (ABSs) [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Intelligent tires for improved tire safety using wireless strain measurement

Matsuzaki

Todoroki

2008

SPIE Proceedings

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From a traffic safety point-of-view, there is an urgent need for intelligent tires as a warning system for road conditions, for optimized braking control on poor road surfaces and as a tire fault detection system. Intelligent tires, equipped with sensors for monitoring applied strain, are effective in improving reliability and control systems such as anti-lock braking systems (ABSs). In previous studies, we developed a direct tire deformation or strain measurement system with sufficiently low stiffness and high elongation for practical use, and a wireless communication system between tires and vehicle that operates without a battery. The present study investigates the application of strain data for an optimized braking control and road condition warning system. The relationships between strain sensor outputs and tire mechanical parameters, including braking torque, effective radius and contact patch length, are calculated using finite element analysis. Finally, we suggested the possibility of optimized braking control and road condition warning systems. Optimized braking control can be achieved by keeping the slip ratio constant. The road condition warning would be actuated if the recorded friction coefficient at a certain slip ratio is lower than a 'safe' reference value.

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On-line determination of tyre deformation, a novel sensor principle

Cited by 23 publications

References 4 publications

Experimental Characterisation of Tyre Indentation by Simulated Runway Debris

Experimental Characterisation of Tyre Indentation by Simulated Runway Debris

Wireless Monitoring of Automobile Tires for Intelligent Tires

Intelligent tires for improved tire safety using wireless strain measurement

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