Memory corruption detection in engine control systems
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United States of America Patent
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Mar 4, 2014
Grant Date -
Aug 11, 2011
app pub date -
Jul 21, 2010
filing date -
Feb 10, 2010
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Abstract
A system for detecting memory corruption in an engine control module includes a variable selection module, an output module, an input module, and a response comparing module. The variable selection module selects a variable of a control system for testing. The output module outputs a predetermined value of said variable to a memory location where said variable is stored in said engine control module. The input module receives a response of said control system to said predetermined value when said predetermined value is written in said memory location. The response comparing module compares said response to a predetermined range and determines that said memory location is defective when said response is not within said predetermined range.
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