JPS6479500A - Self-diagnostic method of safety monitor - Google Patents
Self-diagnostic method of safety monitorInfo
- Publication number
- JPS6479500A JPS6479500A JP23458887A JP23458887A JPS6479500A JP S6479500 A JPS6479500 A JP S6479500A JP 23458887 A JP23458887 A JP 23458887A JP 23458887 A JP23458887 A JP 23458887A JP S6479500 A JPS6479500 A JP S6479500A
- Authority
- JP
- Japan
- Prior art keywords
- normality
- checking
- brightness
- self
- check
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Image Processing (AREA)
- Manipulator (AREA)
Abstract
PURPOSE: To always check a robot or the like in operation by making a self- diagnosis checking a normality of an information processing section, checking an abnormality of an image input line from a camera, and checking a normality of an image processing section. CONSTITUTION: Normality is considered to satisfy all three conditions; TOTAL check for checking a P-ROM is normal; histogram data of a camera input image are not concentrated to a lowest level of brightness or a highest level of brightness; a number of pixels are changing comparing with those of previous images in two to three levels of brightness among levels of brightness adapting to a background in the histogram data of the camera input image. Processing time for checking normality is much shorter than processing time for a supervisory cycle thereby, so check for normality can be assembled into the supervisory cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23458887A JPH0781677B2 (en) | 1987-09-18 | 1987-09-18 | Self-diagnosis method for safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23458887A JPH0781677B2 (en) | 1987-09-18 | 1987-09-18 | Self-diagnosis method for safety monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6479500A true JPS6479500A (en) | 1989-03-24 |
| JPH0781677B2 JPH0781677B2 (en) | 1995-09-06 |
Family
ID=16973374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23458887A Expired - Lifetime JPH0781677B2 (en) | 1987-09-18 | 1987-09-18 | Self-diagnosis method for safety monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0781677B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987662A (en) * | 1997-04-02 | 1999-11-23 | Kiyokawa; Shin | Sauna device |
| JP2001320698A (en) * | 2000-05-12 | 2001-11-16 | Nippon Signal Co Ltd:The | Image type monitoring method, and image type monitoring device and safety system using it |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010046735A (en) * | 2008-08-20 | 2010-03-04 | Central Motor Co Ltd | Safety monitoring system using image recognition device |
| JP5998798B2 (en) * | 2012-09-26 | 2016-09-28 | Ｊｆｅスチール株式会社 | Safety equipment for in-line work |
-
1987
- 1987-09-18 JP JP23458887A patent/JPH0781677B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987662A (en) * | 1997-04-02 | 1999-11-23 | Kiyokawa; Shin | Sauna device |
| JP2001320698A (en) * | 2000-05-12 | 2001-11-16 | Nippon Signal Co Ltd:The | Image type monitoring method, and image type monitoring device and safety system using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0781677B2 (en) | 1995-09-06 |
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