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Plug-in cards correct measuring errors
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01/02/2007
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The kinematics of an individual vehicle give rise to different measuring errors.
The kinematics of an individual vehicle give rise to different measuring errors. Kistler has addressed the problem for its System 2000 with new 5629A11 and 5629A12 ANI plug-in cards that offer analogue inputs for processing signals suitable for correcting systematic measuring errors. Adaptation of the coordinate transformation consequently allows conversions to be performed in real time in the signal processors.
For example, the steering angle from a measuring steering wheel can be fed in through the card to correct errors in this angle induced by the steering geometry during bend negotiation that lead to rotation of the coordinate system fixed relative to the wheel.
Errors produced by changes in other kinematic variables of the wheel can also be measured by a sensor system for feedback purposes.
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Author
Roger Bishop
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