Aircraft systems
Classified in Computers
Written at on 
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EXECUTION SUPERVISION-Tries to guarantee the execution with success of a given plan; SYSTEM SUPERVISION - Tries to keep the system healthy; An execution error might be caused by some system error (or not) A system error might cause an execution error (or not). Interactions between the two systems:Some execution errors might be caused by some malfunctioning of a device, but other errors might have other causes: - The plan was too simplistic and didn’t consider all behavioral aspects of the system - Some external cause, e.G. An intruder entered in the system (physical or virtual intrusion). A malfunctioning of device or sub-system might cause an execution error: But not all malfunctioning situations lead to execution errors, especially if the system has some functional redundancy.