Abstract
Force Sensing Resistor™ devices (FSR™) superficially resemble a membrane switch, but unlike the conventional switch, change resistance inversely with applied force. For example, with a typical FSR sensor, a human finger applying a force from 0,1 N to 10 N will cause the sensor to change resistance continuously from 400 kΩ to 40kΩ. These sensors are ideal for touch control, and may be applied where a semi-quantitative sensor is called for that is relatively inexpensive, thin (>0,15 mm), durable (10.000.000 actuations), and environmentally resistant. These sensors can be made into arrays or single elements up to 60 cm × 80 cm, and cover forces in the tens of grams to tens of kilograms range.
Force and Position Sensing Resistor™ devices (FPSR™) can sense the position and normal force of a single actuator, such as a finger or a stylus, along either a straight line (a Linear Potentiometer) or on a planar surface (an XYZ Pad). Depending on the mechanical arrangement, positional resolution of 0,05 mm is possible.
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© 1993 ECSC-EEC-EAEC, Brussels-Luxembourg
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Hagen, J., Witte, M. (1993). Force and Position Sensing Resistors : An Emerging Technology. In: Pfleger, S., Gonçalves, J., Vernon, D. (eds) Data Fusion Applications. Research Reports ESPRIT, vol 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84990-9_18
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DOI: https://doi.org/10.1007/978-3-642-84990-9_18
Publisher Name: Springer, Berlin, Heidelberg
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