System and method for self-diagnosis in a controller

A self-diagnosis system of a processor capable of realizing a sufficiently high processing ability for control tasks is provided without deteriorating reliability of safety controls even in complex diagnostic techniques. The self-diagnosis system is equipped with a diagnostic target area allocator f...

Full description

Saved in:
Bibliographic Details
Main Authors YAMADA TSUTOMU, ENDOH HIROMICHI, MASHIKO NAOYA, UMEHARA TAKASHI
Format Patent
LanguageEnglish
Published 08.03.2007
Subjects
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:A self-diagnosis system of a processor capable of realizing a sufficiently high processing ability for control tasks is provided without deteriorating reliability of safety controls even in complex diagnostic techniques. The self-diagnosis system is equipped with a diagnostic target area allocator for allocating a non-active area within a memory as a diagnosis-ready area, which is not used in a control task under execution by a main processor in an independent manner from the main processor; and a diagnostic executor for executing a diagnosis based upon a predetermined sequence in an independent manner from the main processor. In the self-diagnosis system, a diagnostic target area segmented from the diagnosis-ready area is selected, and a diagnosis of the selected diagnostic target area is carried out in each of diagnostic cycles by the diagnostic executor.
Bibliography:Application Number: US20060514273