JPS575529A - Method of controlling main engine and variable pitch propeller in ship - Google Patents
Method of controlling main engine and variable pitch propeller in shipInfo
- Publication number
- JPS575529A JPS575529A JP7907180A JP7907180A JPS575529A JP S575529 A JPS575529 A JP S575529A JP 7907180 A JP7907180 A JP 7907180A JP 7907180 A JP7907180 A JP 7907180A JP S575529 A JPS575529 A JP S575529A
- Authority
- JP
- Japan
- Prior art keywords
- ship speed
- propeller
- generator
- ship
- rotational frequency
- 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
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
PURPOSE: To minimize fuel consumption by controlling rotational frequency of a main engine on the basis of deviation of current ship speed value from set ship speed value and blade angle of a propeller on the basis of the optimum efficiency function and marine load characteristic function of propeller obtained from the set ship speed value.
CONSTITUTION: Ship speed measured by a ship speed meter mounted on the ship is signalled by a ship speed generator 2. When value of the ship speed is larger than that set on a ship speed setting dial 1, rotational frequency of a main engine is reduced by a rotational frequency control 3 and, if smaller than that, increased reversely. Next, a rack sacle for the rotational frequency is determined by a generator 6 for comparing function of a marine load characteristic function generator 5 with that of an optimum propeller efficiency function generator 4 for seeking the optimum propeller efficiency for the set ship speed to generate minimum fuel characteristic function, and compared with current rack signal from a rack scale generator 7 to control blade angle of the propeller with a variable picth propeller blade angle control 8.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7907180A JPS575529A (en) | 1980-06-13 | 1980-06-13 | Method of controlling main engine and variable pitch propeller in ship |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7907180A JPS575529A (en) | 1980-06-13 | 1980-06-13 | Method of controlling main engine and variable pitch propeller in ship |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS575529A true JPS575529A (en) | 1982-01-12 |
Family
ID=13679647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7907180A Pending JPS575529A (en) | 1980-06-13 | 1980-06-13 | Method of controlling main engine and variable pitch propeller in ship |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS575529A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107108000A (en) * | 2015-02-25 | 2017-08-29 | 三菱重工业株式会社 | The navigation accessory system of ship and the navigation householder method of ship |
-
1980
- 1980-06-13 JP JP7907180A patent/JPS575529A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107108000A (en) * | 2015-02-25 | 2017-08-29 | 三菱重工业株式会社 | The navigation accessory system of ship and the navigation householder method of ship |
CN107108000B (en) * | 2015-02-25 | 2019-04-23 | 三菱重工业株式会社 | The navigation auxiliary system of ship and the navigation householder method of ship |
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