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Patent Searching and Data


Title:
ELEVATOR SAFETY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163133
Kind Code:
A1
Abstract:
An elevator safety control device can execute a plurality of functions by multitasking, aborts the execution of a self-diagnosis function task when an abnormality is detected by a safety control function or the self-diagnosis function, and executes a safety transition process corresponding to the detected abnormality within an execution time frame for the aborted task. In addition, when a new abnormality is detected during execution of the safety transition process and the priority of the safety transition process is lower than the priority of the safety transition process corresponding to the newly detected abnormality, the execution of the safety transition process is interrupted and the safety transition process corresponding to the newly detected abnormality is executed.

Inventors:
TORITANI, Akiyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
WASHIO, Kazunori (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/007000
Publication Date:
August 29, 2019
Filing Date:
February 26, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
B66B5/02; G05B9/02; G05B19/05; G06F9/48
Attorney, Agent or Firm:
SOGA, Michiharu et al. (S. Soga & Co, 8th Floor Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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