Measurement Principle

Each T-Pod utilises a dual digital CCD camera measurement system. The individual cameras are surrounded by 900 LED’s to provide illumination to facilitate measurement. The two cameras have a slightly different viewing angle to the wheel. The integration of the two images produces a spatial display. This principle is similar to the way we can see in three dimensions. Two-dimensionally perceived images, from each of our eyes, are integrated in our brain to give a spatial impression.

Each of the T-Pods is equipped with its own computing capability, it evaluates the stereoscopic images and then determines how the wheel is spatially positioned. This spatial image of the rim is calculated in each T-Pod by 4 digital signal processors, for a total of 16 system digital signal processors in the measurement system.

The data is then processed and displayed on the computer system display.

The integrated reference system, IRES, allows easy positioning of the t-pods in front of the wheel of the car.