Some distinguishing features of the device include: - A new six degree of freedom mechanism. Compared to the dynamic equations of a Stewart Platform type mechanism, the mathematical model is less complicated.
- It uses mature and cheap sensor technology.
- Device drivers to interface the electronics to a computer already exist.
- The programming interface is not proprietary, anyone can build their own software.
- It is an elastic device, which studies suggest is easier to acquire skill with than an isometric device (which responds to the amount of force applied to it).
- Less prone to user fatigue than a free-moving isotonic device.
- The mechanism could be modified with actuators to produce a six degree of freedom robotic joint or force feedback device.
Zhai S. (1998). User Performance in Relation to 3D Input Device Design. ACM Computer Graphics, 32(4), ,50-54.
Sundin, Martin and Fjeld, Morten (2009): Softly Elastic 6 DOF Input. International Journal of Human-Computer Interaction,25:7, pp. 647-691.
T.W. Ng, The optical mouse as a two-dimensional displacement sensor. Sensors and Actuators A, 107, 1 (2003): 21-25.
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