JPS6480742A - Automatic testing device for engine - Google Patents
Automatic testing device for engineInfo
- Publication number
- JPS6480742A JPS6480742A JP23939087A JP23939087A JPS6480742A JP S6480742 A JPS6480742 A JP S6480742A JP 23939087 A JP23939087 A JP 23939087A JP 23939087 A JP23939087 A JP 23939087A JP S6480742 A JPS6480742 A JP S6480742A
- Authority
- JP
- Japan
- Prior art keywords
- torque
- stroke
- control amplifier
- revolutions
- command
- 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.)
- Pending
Links
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE:To improve ability to follow up a torque command and the accuracy of a performance test by biasly adding a dead band part per number of revolutions being existent in the characteristics of torque output for a throttle stroke to a stroke command. CONSTITUTION:An engine 1 to be tested is coupled with a DC dynamo meter 3 through a torque meter 2, and torque detected by the torque meter 2 is inputted into an axial torque control amplifier 6 through a converter 5. The axial torque control amplifier 6 issues a command for a throttle stroke according to deviation between set torque and a conversion torque detecting signal issued from the converter 5 to hydraulically control a hydraulic actuator for controlling a throttle opening. A detecting signal issued from a detector 4 for number of revolutions is inputted into a speed control amplifier 11 and a dead stroke setting apparatus 14, and a dead stroke is thereby computed according to the number of revolutions, and added to the output of the axial torque control amplifier 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23939087A JPS6480742A (en) | 1987-09-24 | 1987-09-24 | Automatic testing device for engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23939087A JPS6480742A (en) | 1987-09-24 | 1987-09-24 | Automatic testing device for engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480742A true JPS6480742A (en) | 1989-03-27 |
Family
ID=17044071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23939087A Pending JPS6480742A (en) | 1987-09-24 | 1987-09-24 | Automatic testing device for engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480742A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401847A2 (en) * | 1989-06-09 | 1990-12-12 | Kabushiki Kaisha Toshiba | Method and apparatus for controlling engine in engine characteristics test |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62123329A (en) * | 1985-11-22 | 1987-06-04 | Mitsubishi Electric Corp | Controller for engine test |
-
1987
- 1987-09-24 JP JP23939087A patent/JPS6480742A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62123329A (en) * | 1985-11-22 | 1987-06-04 | Mitsubishi Electric Corp | Controller for engine test |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401847A2 (en) * | 1989-06-09 | 1990-12-12 | Kabushiki Kaisha Toshiba | Method and apparatus for controlling engine in engine characteristics test |
US5119304A (en) * | 1989-06-09 | 1992-06-02 | Kabushiki Kaisha Toshiba | Method and apparatus for controlling engine in engine characteristics test |
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