Development of a Magnetoelastic Torque Transducer for Automotive Transmission Applications

Garshelis, Ivan J.; Aleksonis, Jonas A.; Jones, Christopher A.; Rotay, Robert M.

doi:10.4271/970605

Cited by 10 publications

(5 citation statements)

References 16 publications

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“…For dynamic torque measurements using conventional strain-gage type or surface acoustic wave type torque transducers, the shaft torque is generally measured by transmitting electric signals through non-contacting wireless technologies from the rotary shaft being measured to the static systems, which includes a slip ring, rotary transformer system and wireless transceiver technologies, such as RF, ZigBee R and Bluetooth R [1]. In addition to strain-gage type torque transducers, new noncontacting type torque transducer using advanced functional materials, such as magneto-elastic materials, has emerged as one of the innovative technologies for directly sensing the torque on the shafts of automotive powertrains because an additional electrical device for non-contacting purpose is not necessary [3]. A non-contacting magnetic field sensor is used to detect the variations of magnetic field, which is proportional to the stress level within the magnetized region.…”

Section: Introductionmentioning

confidence: 99%

Dynamic torsional response analysis of mechanoluminescent paint and its application to non-contacting automotive torque transducers

Kim

2013

Meas. Sci. Technol.

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This paper presents the result of a preliminary experimental study on the dynamic torsional response analysis of mechanoluminescent (ML) paint for potential development as a new type of non-contacting torque transducer. The torsional torque applied to a transmission shaft is measured by sensing the ML intensity emitting from an ML paint coating a transmission shaft. This study provides the fundamental knowledge for the development of new non-contacting torque sensing technology based on the ML intensity detection. The proposed measurement principle appears to offer potential applications in automotive torque measurement systems, even though the loading rate-dependent characteristics of the ML intensity needs to be examined further.

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Section: Introductionmentioning

confidence: 99%

Dynamic torsional response analysis of mechanoluminescent paint and its application to non-contacting automotive torque transducers

Kim

2013

Meas. Sci. Technol.

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“…It was felt that developing a telemetric strain gauge sensor would be superfluous given that various competitors had already reached a fairly advanced stage of development for such a system. It was also felt that at the most fundamental level, a torque sensing system requiring neither components attached to nor functional contact with the shaft would be far more desirable, not only for racing applications but eventually for production car applications as well [2]. From this basic premise, the development team worked to apply magnetoelastic polarized band sensor technology [3], [4] to the Stewart Grand Prix driveshaft.…”

Section: Introductionmentioning

confidence: 99%

Development of a Magnetoelastic Torque Sensor for Formula 1 and CHAMP Car Racing Applications

Bitar

Probst

Garshelis³

2000

SAE Technical Paper Series

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“…inverse magnetostriction. In [22] a torque sensor was developed for automotive applications too. A Magneto-elastic ring was press fitted around the shaft.…”

Section: Applicationsmentioning

confidence: 99%

Coupled wave-equation and eddy-current model for modelling and measuring propagating stress-waves

Peussa¹,

Belahcen²

2015

Archives of Electrical Engineering

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Abstract:The coupling of the propagating stress wave with the eddy current model is presented. The applied stress produces magnetization in the sample that can be measured outside the sample by measuring the resulting magnetic flux density. The stress and flux density measurements are made on a mechanically excited steel bar. The problem is modelled with the finite element method for both the propagating wave and the eddy current. Three aspects are considered: eddy current model using magnetization from the measurements, coupled wave and eddy current models, and coupled different dimensions in the wave model. The measured stress can be reproduced from the measured flux density by modelling. The coupled models work both for stress and flux couplings as well as for the different dimensionality couplings.

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Development of a Magnetoelastic Torque Transducer for Automotive Transmission Applications

Cited by 10 publications

References 16 publications

Dynamic torsional response analysis of mechanoluminescent paint and its application to non-contacting automotive torque transducers

Dynamic torsional response analysis of mechanoluminescent paint and its application to non-contacting automotive torque transducers

Development of a Magnetoelastic Torque Sensor for Formula 1 and CHAMP Car Racing Applications

Coupled wave-equation and eddy-current model for modelling and measuring propagating stress-waves

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