A planar thick-film load cell

White, NM; Brignell, J.E.

doi:10.1016/0924-4247(91)87010-z

Cited by 22 publications

(16 citation statements)

References 3 publications

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“…In the past two decades, the research in thick-films has been extended to include sensing capabilities [14]. One of the early applications of thick-film sensors was in the area of strain gauge technology [15,16].…”

Section: Thick-film Piezoceramicmentioning

confidence: 99%

Thick-film Piezoceramic Microgenerators

Kok

Harris

White

2008

Measurement and Control

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Piezoelectric materials have many desirable characteristics for use in vibration energy harvesting applications. They can produce relatively high output voltages (from a few to several tens of volts) for modest levels of vibration. Many piezoelectric-based generators use piezoceramic materials such as bulk lead zirconate titanate (PZT), which are attached to an elastic element (spring/beam) by using an adhesive. Thick-film technology can offer an advantage over this approach by providing the ability to integrate fully the piezoelectric element onto the beam. This paper provides an overview of the use of piezoelectric materials in energy harvesters and discusses a novel approach to developing freestanding, thick-film piezoelectric devices

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Section: Thick-film Piezoceramicmentioning

confidence: 99%

Thick-film Piezoceramic Microgenerators

Kok

Harris

White

2008

Measurement and Control

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“…The static force sensor exploits the piezoresistive effect exhibited by thick-film resistors [11][12][13][14]. In this effect, the resistance of a thick-film resistor changes in a linear manner with the strain experienced by the resistor.…”

Section: Static Force Sensormentioning

confidence: 99%

“…For those not familiar with the technology, a good overview is given by Holmes and Loasby [10]. For example, low cost force sensors can be achieved by exploiting the piezoresistive characteristics of commercially available thick-film resistive pastes [11][12][13][14][15]. These materials, when printed and fired with electrically conductive end terminations in a planar configuration, form electrical resistors with typical post-processed thicknesses of the order of 10 to 12 µm that exhibit proportional changes in their resistance with applied strain.…”

Section: Introductionmentioning

confidence: 99%

Thick-film force, slip and temperature sensors for a prosthetic hand

Cranny

Cotton

Chappell

et al. 2005

Meas. Sci. Technol.

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Thick-film static and dynamic force sensors have been investigated for their suitability to measure the grip forces exerted upon an object held by a prosthetic hand, and to detect and correspondingly react to the possible slip of a gripped item. The static force sensors exploit the piezoresistive characteristics of commercially available thick-film pastes whilst the dynamic slip sensors utilize the piezoelectric behaviour of proprietary PZT (lead zirconate titanate) pastes. The sensors are located upon stainless steel cantilever type structures that will be placed at the fingertips of each digit of the prosthetic hand. Temperature sensors are also included to provide temperature compensation for the force sensors and to prevent accidental thermal damage to the prosthesis. Results have shown that the static force sensor is capable of measuring fingertip forces in excess of 100 N, with an electrical half-bridge configuration sensitivity approaching 10 µV V −1 N −1(with scope for improvement) and maximum hysteresis below 4% of full scale, depending on the manner in which the cantilever sensor array is attached to the finger. Failure in the bonding mechanism that secures the PZT layer to the stainless steel cantilever meant that the proposed dynamic force sensor could not be evaluated. However, investigations using the same sensor design fabricated on an alumina substrate have shown the potential of the PZT dynamic force sensor to measure the vibration and hence potentially operate as a slip sensor.

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“…In the past two decades, research in thick-films has been extended to include sensing capabilities [39]. One of the prominent applications of thick-film as a sensing element was as a strain gauge [40,41].…”

Section: Evolution Of Thick-film Technologymentioning

confidence: 99%

Energy Harvesting Technologies: Thick-Film Piezoelectric Microgenerator

Kok¹

2011

Sustainable Energy Harvesting Technologies - Past, Present and Future

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A planar thick-film load cell

Cited by 22 publications

References 3 publications

Thick-film Piezoceramic Microgenerators

Thick-film Piezoceramic Microgenerators

Thick-film force, slip and temperature sensors for a prosthetic hand

Energy Harvesting Technologies: Thick-Film Piezoelectric Microgenerator

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