Joystick Choices

November 2005
PN;Nov2005, Vol. 59 Issue 11, p40
Trade Publication
The article presents information about joysticks. Position-sensing joysticks and switch arrays have been the traditional means of interface for powerchair chin-control users. However, in a study by researchers at the Human Engineering Research Laboratories, a force-sensing chin-operated joystick has been developed as an alternative to these devices. The force-sensing joystick's mechanical design includes a base, force-sensing beam, covering case, and mounting bracket. The electrical design features two strain-gage bridges, two instrumentation amplifiers.


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