Levelling, drilling and other applications for measuring with a wii controller
Through several examples from university professors and software developers, the wiimote still remains the preferred device for every kind of accelerometer-based applications which require an evaluation of body/motor states(as identification of vertical level, drilling conditions or gesture recognition). In a steady state, a tri-axial accelerometer provides an angular measure compared with gravity. Then, the transient states allow the detection of changing behaviors. And finally, the maintained states (i.e. a repetitive behavior) can be identified and characterized inside a defined bandwidth of the wiimote's acquisition.
1. Measuring angular values in a stationary state
Here, the wiimote doesn't move and delivers information as a level.
Wiimote as a Level
The wiimote is used as a protractor (angle value compared with gravity) with the application Leveltool. Roll and pitch are displayed on a graph. This application is not complex but who really needs an overengineered electronic plumb-line.
Link(Lang. : English)
Author : Alanceil (pseudo)
2. Detection of transient states :
The detection of a change in the behavior of actuators/motors/transmissions is often necessary to prevent failures and efficiency losses :
Drilling Lab – A Sensor and Computation Grid Enabled Engineering Model for Drilling Vibration Research
Louisiana State University, Society of Petroleum Engineers
This application makes a comparison between a physical analog model and a simulated earth models. Drilling dynamic dysfunction and inefficient motion phenomenons are identified through a sensor platform. Cactus drilling application toolkit works with acquisition of accelerometer values (here, wii remote) via Labview as software data acquisition.
Link(Lang. : English)
Authors : Richard Duff, Yaakoub El Khamra
3. data acquisition from a Wii Controller - Other interesting links :
More and more wiimote-based applications and publications are referenced around the web.
- Website : Analysis Tools from Australian Antartic Data Centre (Lang. English)
The Australian Antarctic Division has referenced a suite of analysis tools utilizing the wii remote with Matlab. (Thanks to the people from the "land down under" for having referenced the library fWIIne!)
- Publication : Science in Your pocket from R.F. Wisman and K. Forinash, Indiana University Souheast, USA (Lang. English)
New accelerometer-based devices - as cellphones or wii remote - are easing experiments and the diffusion of investigative tools.
- Document : Wiimote Lab an Introduction from SKIES program of Colorado State University, USA (Lang. English)
A short introduction for students about hacking the wiimote.
- Blog : Posts about applications with a wiimote on nueve años no son nada from Manuel Martin Ortiz, Technical University of Madrid (Lang. Spanish)
- Blog : Giimote(A Wii Remote extension for Game Maker) from Sam Whited(Lang. English)
A blog about the Giimote library including a development of a Matlab wrapper.-Misc. : Call for internship (ST Microelectronics - June 2008) about Wiimote Tracking (Lang. Italian)
- Misc : Specification for internship (ACTIA MULLER/University of Valenciennes, France - January 2009 ) about designing a low-cost electronic device for diagnostic on vehicle parallelism (Lang. French)
- Course Presentation : Ambient Intelligence -Chapter 10 Human Computer Interaction from J.L. Encaranaçao, Graphisch-Interaktive Systeme, Technical University of Darmstad, Germany (Lang. German)
Example of a hand gesture application for picture viewer.