Self-calibrating sensor orienting system
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United States of America Patent
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Jan 29, 2008
Grant Date -
Jul 6, 2006
app pub date -
Apr 8, 2005
filing date -
Apr 16, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Controlling an orienting/positioning system having a sensor and actuator for controlling at least one of an orienting and positioning action of the sensor. The invention (1) evaluates pre-action output information of a sensor in order to detect the position of a pattern in the input space of the sensor, (2) determines a targeted post-action position of the pattern in the input space of the sensor, (3) defines an actuator command by mapping any deviation of the pre-action and post action position in the input space to actuator control coordinates using a predefined mapping function, (4) controls the actuators according to the defined command to execute the orienting/positioning action, (5) detects the real post-action position of the pattern in an input space of the sensor, (6) adapts the mapping function based on differences between the real post-action position and the targeted post-action position of the pattern in the input space.
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