EP0789658B1 - A control device for achieving optimum use of the energy which is produced by a vessel's main energy source - Google Patents
A control device for achieving optimum use of the energy which is produced by a vessel's main energy source Download PDFInfo
- Publication number
- EP0789658B1 EP0789658B1 EP95938070A EP95938070A EP0789658B1 EP 0789658 B1 EP0789658 B1 EP 0789658B1 EP 95938070 A EP95938070 A EP 95938070A EP 95938070 A EP95938070 A EP 95938070A EP 0789658 B1 EP0789658 B1 EP 0789658B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vessel
- energy
- manoeuvring
- movement
- control
- 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
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
- B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
Definitions
- the invention concerns a control device for achieving optimum use of the energy which is produced by a vessel's main energy source, this energy being converted to electrical energy via a generator device and supplied via a power-line network to at least one first motor which operates a first device for movement of the vessel in its longitudinal direction, and possibly at least one second motor which operates a second device for movement of the vessel in its transverse direction, together with further motors etc. for operation of further devices on board the vessel.
- the pitch of a variable pitch ship's propeller can be controlled as a function old disturbances in the ship's movements and that several main engines can be controlled simultaneously.
- the disturbances can be ongoing or estimated in advance.
- Ongoing disturbances are obtained from transductors which emit impulses concerning the ship's vertical speed and the first derivative of the ship's trim.
- the object of the device according to the invention is to provide a device of the known type described in the introduction which provides an optimum utilization of the energy, including, e.g. thermal as well as mechanical energy, which can be produced by an energy source on board a vessel to all the energy consumers in the vessel.
- FIG. 1 is a diagram which schematically illustrates the working connection between an energy source and devices which are operated thereby, and an electrical control circuit for the energy source and the devices, the components of the system being indicated symbolically and located on board a vessel.
- driven devices described herein are presented as examples, and that the system can comprise fewer or more devices which are operated by the main energy source and that it can comprise a different number of engines than two.
- the energy source is composed of two main engines, e.g. two diesel engines 1, 2, each of which drives its respective electrical generator 5, 6 via respective shafts 3, 4.
- diesel engines steam or gas turbines, e.g., or a combination of different types of engine can be used.
- auxiliary engines are not provided according to the prior art, but only one common energy source for all purposes.
- the invention can, however, also be employed when a propeller is used which is directly driven mechanically by means of the main engines and in addition the vessel has a number of auxiliary engines.
- the generators supply electrical energy to a common power network which is composed of power lines 8, which are indicated by double lines in the figure.
- the generators supply energy for operation of the following devices:
- Waste heat from the engines 1, 2, indicated by the arrows 53, 54, can be used for heating, desalination of sea water, absorption refrigerating plants, etc..
- the motors 11-14, 33, 34, 38, 39 can be frequency controlled, thus enabling their rotation speed to be varied.
- generators 5, 6 can supply electrical energy to other devices on board the vessel (not shown), such as winches, fans, pumps, water heaters, lighting, etc., these devices being indicated only by the reference number 52.
- a control device For controlling the engines (1, 2) and the energy supply to those devices which receive energy therefrom, a control device has been provided which comprises
- the device ensures that the correct number of motors is in operation at any time, and it can stop or start motors depending on the energy requirements.
- the manoeuvring device comprises a control stick device 50 of the type which has a control stick, one end of which is mounted via a universal joint, and which is arranged for simultaneous control of all the propeller motors 11 - 14, 33, 34, 38, 39 during manoeuvring in order to achieve by means of this single control stick a controlled movement of the vessel along and about the above-mentioned major axes, including turning of the vessel about any point along its longitudinal axis.
- the manoeuvring device further comprises a steering wheel device 51 for controlling the rudder motors 42, 43.
- the rudders are partially retracted for reduction of the hydraulic resistance.
- the rudders can be completely retracted, whereby the steering of the vessel is performed by varying the power to the two propellers.
- the PLS device is arranged to receive information concerning a desired movement of the vessel from the manoeuvring device 45 and to coordinate this information with information concerning the vessel's actual movement from the GP system, possible also from sensors and gyros (not shown), and transmit control impulses to the motors for control thereof based on an optimization programme for obtaining a desired movement of the vessel with a minimum energy consumption.
- the device also ensures that the rudders are retracted and provides for the transfer to power steering in the case of multi-propeller units.
- control system is arranged to steer the vessel to its destination along an optimum path whilst, e.g., evading storms without risk of running aground or colliding with other vessels, and with a minimum energy consumption.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Description
- Two pairs of
electric motors coaxial shafts variable pitch propellers - A pair of
transverse propellers electric motor - A pair of
transverse propellers electric motor - Two
rudders propulsion propellers respective steering machinery rudders
- a manoeuvrable control impulse emission device, hereinafter called
manoeuvring device 45, - a programmable, logic control device, hereinafter called
PLS device 46, - a
global positioning system 47, hereinafter called GP system, - an electrical control network which via
electrical control cables 48 links themain engines 1, 2, thegenerators control cables 48 are illustrated by a single line in the figure.
Claims (7)
- A control device for achieving optimum use of the energy which is produced by a vessel's main energy source (1, 2), this energy being converted to electrical energy via a generator device (5, 6) and supplied via a power line network (8) to at least one first motor (11, 12, 13, 14) which operates a first device for movement of the vessel in its longitudinal direction, and possibly at least one second motor (33, 34, 38, 39) which operates a second device for movement of the vessel in its transverse direction, together with further motors etc. for operation of further devices on board the vessel, characterized in that the control device comprises an electrical control network (8) which links the main energy source (1, 2), the generator device (5, 6) and the motors to a manoeuvrable control impulse emission device, hereinafter called manoeuvring device (45), a programmable, logic control device, hereinafter called PLS device (46), and a global positioning system, hereinafter called GP system (47), the PLS device (46) being arranged to receive information concerning a desired movement of the vessel from the manoeuvring device (45) and or the GP system (47) and to transmit control impulses to the motors for an operation thereof based on an optimization data programme for obtaining the desired movement of the vessel with an optimal utilizing of the energy of the main energy source during transit and manoeuvring.
- A device according to claim 1,
characterized in that the first device for movement of the vessel comprises at least one pair of propulsion propellers (19, 20, 21, 22) which are driven by respective coaxial shafts (15, 16, 17, 18) each of which in turn are driven by its respective electric motor (11, 12, 13, 14). - A device according to claim 1 or 2,
characterized in that the second device for movement of the vessel comprises at least one plate-shaped rudder (41, 42) which is arranged for retraction into the vessel's hull. - A device according to one of the preceding claims,
characterized in that the second device for movement of the vessel comprises at least one transverse propeller (31, 32, 36, 37). - A device according to one of the preceding claims,
characterized in that the PLS device is arranged for calculation of a sailing route with optimum utilization of energy having due regard to the condition of the sailing area the sea and the weather. - A device according to one of the preceding claims,
characterized in that the manoeuvring device comprises a control stick for manoeuvring the ship by means of all the propellers, and a steering wheel for manoeuvring the ship by means of the rudder, or varying the power in the case of a multi-propeller unit. - A device according to one of the preceding claims,
characterized in that the PLS device is arranged to receive information from gyros.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO944225 | 1994-11-04 | ||
NO944225A NO944225L (en) | 1994-11-04 | 1994-11-04 | Control device for optimal use of the energy emitted by a vessel's main energy source |
PCT/NO1995/000205 WO1996014241A1 (en) | 1994-11-04 | 1995-11-03 | A control device for achieving optimum use of the energy which is produced by a vessel's main energy source |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0789658A1 EP0789658A1 (en) | 1997-08-20 |
EP0789658B1 true EP0789658B1 (en) | 1999-01-27 |
Family
ID=19897598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95938070A Expired - Lifetime EP0789658B1 (en) | 1994-11-04 | 1995-11-03 | A control device for achieving optimum use of the energy which is produced by a vessel's main energy source |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0789658B1 (en) |
JP (1) | JPH10508557A (en) |
DE (1) | DE69507628T2 (en) |
DK (1) | DK0789658T3 (en) |
FI (1) | FI971891A0 (en) |
NO (1) | NO944225L (en) |
RU (1) | RU2139810C1 (en) |
WO (1) | WO1996014241A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI107042B (en) | 1998-09-14 | 2001-05-31 | Abb Azipod Oy | Turning a propulsion unit |
AU2011231682B2 (en) * | 2010-03-25 | 2013-11-14 | Siemens Aktiengesellschaft | Method for operating a ship drive motor fed by at least one pulse width modulated inverter, and ship drive system |
KR101432422B1 (en) * | 2013-01-15 | 2014-08-20 | 현대중공업 주식회사 | An Energy System of Ship |
CN103790719B (en) * | 2014-03-04 | 2016-03-30 | 武汉理工大学 | Boats and ships efficiency Lifting Control System and controlling method |
RU2648547C1 (en) * | 2016-11-11 | 2018-03-26 | Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" | Propulsion-steering column with integrated monitoring system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO170722C (en) * | 1990-10-12 | 1992-11-25 | Oddvard Johnsen | PROCEDURE AND DEVICE FOR THE OPTION OF OPTIMAL USE OF A VESSEL'S PROGRAMMING MACHINERY |
US5199912A (en) * | 1991-08-15 | 1993-04-06 | Newport News Shipbuilding And Dry Dock Company | Electric power system for marine vehicles |
-
1994
- 1994-11-04 NO NO944225A patent/NO944225L/en unknown
-
1995
- 1995-11-03 RU RU97108977A patent/RU2139810C1/en active
- 1995-11-03 WO PCT/NO1995/000205 patent/WO1996014241A1/en active IP Right Grant
- 1995-11-03 JP JP8515218A patent/JPH10508557A/en active Pending
- 1995-11-03 DK DK95938070T patent/DK0789658T3/en active
- 1995-11-03 EP EP95938070A patent/EP0789658B1/en not_active Expired - Lifetime
- 1995-11-03 DE DE69507628T patent/DE69507628T2/en not_active Expired - Fee Related
-
1997
- 1997-05-02 FI FI971891A patent/FI971891A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPH10508557A (en) | 1998-08-25 |
FI971891A (en) | 1997-05-02 |
RU2139810C1 (en) | 1999-10-20 |
EP0789658A1 (en) | 1997-08-20 |
DE69507628T2 (en) | 1999-06-17 |
FI971891A0 (en) | 1997-05-02 |
DK0789658T3 (en) | 1999-09-13 |
NO944225D0 (en) | 1994-11-04 |
WO1996014241A1 (en) | 1996-05-17 |
DE69507628D1 (en) | 1999-03-11 |
NO944225L (en) | 1996-05-06 |
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