JPH0318201B2 - - Google Patents
Info
- Publication number
- JPH0318201B2 JPH0318201B2 JP56126409A JP12640981A JPH0318201B2 JP H0318201 B2 JPH0318201 B2 JP H0318201B2 JP 56126409 A JP56126409 A JP 56126409A JP 12640981 A JP12640981 A JP 12640981A JP H0318201 B2 JPH0318201 B2 JP H0318201B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- output
- converter
- processing unit
- central processing
- 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.)
- Expired - Lifetime
Links
- 230000005856 abnormality Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 9
- 238000004092 self-diagnosis Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
- Control Of Electric Motors In General (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Safety Devices In Control Systems (AREA)
- Control By Computers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56126409A JPS5827202A (ja) | 1981-08-12 | 1981-08-12 | デイジタルコントロ−ル装置 |
US06/389,960 US4480303A (en) | 1981-08-12 | 1982-06-18 | Digital controller of analog systems containing isolation circuitry and error detection circuitry |
GB08220306A GB2104248B (en) | 1981-08-12 | 1982-07-13 | Digital controller |
AU86089/82A AU535991B2 (en) | 1981-08-12 | 1982-07-16 | Digital controller |
DE19823228305 DE3228305A1 (de) | 1981-08-12 | 1982-07-29 | Digitalregler |
FR8213423A FR2511526A1 (fr) | 1981-08-12 | 1982-07-30 | Appareil de commande numerique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56126409A JPS5827202A (ja) | 1981-08-12 | 1981-08-12 | デイジタルコントロ−ル装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5827202A JPS5827202A (ja) | 1983-02-17 |
JPH0318201B2 true JPH0318201B2 (US07922777-20110412-C00004.png) | 1991-03-12 |
Family
ID=14934437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56126409A Granted JPS5827202A (ja) | 1981-08-12 | 1981-08-12 | デイジタルコントロ−ル装置 |
Country Status (6)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59112308A (ja) * | 1982-12-20 | 1984-06-28 | Fanuc Ltd | 数値制御装置 |
FR2539887B1 (fr) * | 1983-01-20 | 1985-07-26 | Tech Europ Commutation | Procede pour assurer la securite du fonctionnement d'un automate programmable et automate pour la mise en oeuvre du procede |
JPS59211143A (ja) * | 1983-05-17 | 1984-11-29 | Nissan Motor Co Ltd | マイクロコンピユ−タを用いた車両用制御回路 |
US4628397A (en) * | 1984-06-04 | 1986-12-09 | General Electric Co. | Protected input/output circuitry for a programmable controller |
JPS61190607A (ja) * | 1985-02-18 | 1986-08-25 | Toyoda Mach Works Ltd | 異常停止機能を備えた数値制御工作機械 |
DE4008214A1 (de) * | 1990-03-15 | 1991-09-19 | Baur Gmbh | Sollwertgeber fuer widerstandsgesteuerte einrichtungen |
KR101247810B1 (ko) * | 2010-11-19 | 2013-04-03 | 엘에스산전 주식회사 | 온도 제어 모듈 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53139072A (en) * | 1977-05-11 | 1978-12-05 | Yokogawa Hokushin Electric Corp | Controller |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034718A (en) * | 1960-04-18 | 1962-05-15 | Foxboro Co | Computer-controller set point system |
US3582621A (en) * | 1968-05-20 | 1971-06-01 | Foxboro Co | Industrial process control apparatus |
FR2134080B1 (US07922777-20110412-C00004.png) * | 1971-04-19 | 1977-01-28 | Gec Elliott Automation Ltd | |
US3720819A (en) * | 1971-11-26 | 1973-03-13 | Exxon Research Engineering Co | Direct digital computer control error detector system |
US3974364A (en) * | 1975-02-28 | 1976-08-10 | Koehring Company | Structure for and method of error compensation |
US3984665A (en) * | 1975-06-04 | 1976-10-05 | Phillips Petroleum Company | Process controller |
JPS51148339A (en) * | 1975-06-16 | 1976-12-20 | Toshiba Corp | Computer control unit |
JPS6037481B2 (ja) * | 1975-06-17 | 1985-08-27 | 株式会社横河電機製作所 | プロセス制御装置 |
US4115860A (en) * | 1977-06-02 | 1978-09-19 | Lockheed Electronics Co., Inc. | Plural load power controller with time-shared processor |
CH626183A5 (en) * | 1978-03-28 | 1981-10-30 | Landis & Gyr Ag | Intrinsically safe circuit for an information processing device which is not intrinsically safe |
-
1981
- 1981-08-12 JP JP56126409A patent/JPS5827202A/ja active Granted
-
1982
- 1982-06-18 US US06/389,960 patent/US4480303A/en not_active Expired - Lifetime
- 1982-07-13 GB GB08220306A patent/GB2104248B/en not_active Expired
- 1982-07-16 AU AU86089/82A patent/AU535991B2/en not_active Ceased
- 1982-07-29 DE DE19823228305 patent/DE3228305A1/de active Granted
- 1982-07-30 FR FR8213423A patent/FR2511526A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53139072A (en) * | 1977-05-11 | 1978-12-05 | Yokogawa Hokushin Electric Corp | Controller |
Also Published As
Publication number | Publication date |
---|---|
AU8608982A (en) | 1983-02-17 |
DE3228305A1 (de) | 1983-03-03 |
FR2511526A1 (fr) | 1983-02-18 |
DE3228305C2 (US07922777-20110412-C00004.png) | 1990-05-31 |
AU535991B2 (en) | 1984-04-12 |
GB2104248A (en) | 1983-03-02 |
GB2104248B (en) | 1985-03-20 |
JPS5827202A (ja) | 1983-02-17 |
US4480303A (en) | 1984-10-30 |
FR2511526B1 (US07922777-20110412-C00004.png) | 1985-03-08 |
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