Safety instrument system based on D-S (Dempster/Shafer) evidence theory

• Main Authors: LIU FENG, PAN DONGBO
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2013
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention discloses a safety instrument system based on D-S (Dempster/Shafer) evidence theory. The safety instrument system comprises a sensor, a logic decision system and a performing unit, wherein the logic decision system comprises an input circuit, a processor, an output circuit, and a diagnosis module based on the D-S evidence theory; and the diagnosis module based on the D-S evidence theory is used for improving the reliability of the diagnosis basis through the calculation based on the D-S evidence theory in a multi-channel logical decision system according to the related feedback information among the channels. By adopting the safety instrument system based on the D-S evidence theory, the self-diagnosis function of the system can be realized through fewer hardware devices; and the safety instrument system based on the D-S evidence theory has the advantages of being lower in cost and higher in reliability and safety.