Method and device to prevent a critical operating state of a control device
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United States of America Patent
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N/A
Issued Date -
Nov 25, 2004
app pub date -
May 20, 2004
filing date -
May 20, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and device prevent a critical operating state of a control device with a control element and an actuator, as well as an acceleration sensor and an evaluation unit. An evaluation unit input is coupled to the acceleration sensor and a further input receives external desired values for the control device. The acceleration sensor acquires acceleration measurement values for the control device, these being transmitted to the evaluation unit, with the evaluation unit deriving assessment values from these values. The evaluation unit determines internal desired values and outputs them for control of the control device. If the evaluation unit determines that the derived assessment values reach an assessment threshold indicating a control device critical operating state parameter, the evaluation unit varies the internal desired values to control the control device until the derived assessment values correspond to a predetermined assessment value indicating a control device non-critical operating state parameter.
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