Highlights

The author

Michael Hunston is Managing Director of Analogue & Digital Services Ltd, Ruscombe, UK. Tel: 0118 932 0900; Fax: 0118 934 4300; E-mail: adsltd1@aol.com

Keywords

Sensors, Thin film, Automotive, Packaging

Abstract

A novel approach is presented for measuring contact pressure across a defined area using thin Mylar film sensors. The design and benefits from the use of such technology is described. The 0.1mm thick sensors are non-intrusive and can be made in a variety of pressure ranges, shape, size and spatial resolution. When linked to a PC, these sensors provide real-time dynamic 2D or 3D images, or data may be collected at speeds of up to 125 frames per second for sensors having as many as 2,000 measurement points. Recorded data may be replayed and further analysed. Typical examples of the use of this technology are described.

Electronic access

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Force and Pressure Measurement

The use of load cells and accelerometers in many areas of force testing is well known. These devices are accurate and, if positioned carefully, provide valuable information with regard to the total forces involved during a monitored event. Difficulties can arise however if detail is required regarding the spatial distribution of these forces and the associated localised pressures.