CN103790719A - Ship energy efficiency improving control system and control method - Google Patents
Ship energy efficiency improving control system and control method Download PDFInfo
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- CN103790719A CN103790719A CN201410075340.0A CN201410075340A CN103790719A CN 103790719 A CN103790719 A CN 103790719A CN 201410075340 A CN201410075340 A CN 201410075340A CN 103790719 A CN103790719 A CN 103790719A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention discloses a ship energy efficiency improving control system and control method. The control system comprises a sensor and an energy efficiency controller. The sensor detects the variable of the environment where a ship is located. The energy efficiency controller controls the oil and gas supply amount and the proportion between the oil supply amount and the gas supply amount of a dual-fuel main engine according to the environment variable obtained through detection, controls the oil and gas supply amount and the proportion between the oil supply amount and the gas supply amount of the dual-fuel generator according to power demands of the whole ship, and optimally manages and controls an axle generator and a standby dual-fuel generator. Compared with the prior art, the ship energy efficiency improving control system and control method enable the ship to work in the state with the minimum energy consumption under the complicated and changeable environment, avoid nondeterminacy caused by presetting a channel, save energy, reduce emission of greenhouse gases, meanwhile, improve stability of a power grid, and ensure normal operation of the ship.
Description
Technical field
The present invention relates to ship domain, relate in particular to boats and ships efficiency Lifting Control System and controlling method.
Background technique
The international ocean pact (MARPOL pact) of signing on July 15th, 2011 has passed through to be intended to reduce the mandatory provisions of Global Emissions of Greenhouse Gas to international carriage.From then on, energy efficient becomes an important indicator of Ship Design and application.Boats and ships of the prior art are by using new energy and energy saving device, to reach energy-conservation object.For example, double fuel LNG cargo ship uses double fuel (LNG Liquefied natural gas (LNG)/diesel oil) motor that power is provided, and can reduce the use amount of fossil fuel, reduces the discharge of greenhouse gases.But the efficiency level of such ship power system is not only relevant with ship equipment condition and loading condition, and be easily subject to the impact of navigation environment.Therefore, use the cargo ship of duel fuel engine also can cause navigation direction resistance increment because of the change of environment, thereby increase the consumption of fuel oil.Other prior art comprises utilizes ocean current to carry out air route optimization, to reduce the impact of environmental factor.But navigation environment comprises the various Hydrometeorological Factors such as wind direction, flow velocity, the depth of water, ocean current is only a part for these environmental factors.In addition, each environmental factor is all complicated and changeable.The effect of the power consumption of the navigation channel of therefore, setting in advance to reduction boats and ships is also not obvious.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of boats and ships efficiency Lifting Control System and controlling method, to eliminate or to reduce the impact of environmental factor on boat energy consumption, avoids presetting the uncertainty in navigation channel, thereby reaches the object of energy saving.
The present invention solves its technical problem and adopts following technological scheme:
The invention provides a kind of boats and ships energy efficiency control system, described ship control system comprises:
Network of ship, for boats and ships provide electric energy;
Duel fuel engine, for the first fuel and the second fuel of burning, and provides power to the propeller cavitation of described boats and ships, and wherein, the rotating speed of described duel fuel engine is determined by described the first fuel and described the second fuel feed and ratio between the two; And
The main engine remote control device being connected with described duel fuel engine, for controlling described the first fuel and the second fuel that offer described duel fuel engine,
It is characterized in that, described ship control system also comprises:
Multiple sensors, for detection of the residing environmental variance of described boats and ships, and for generation of the testing signal that represents described environmental variance, wherein, described multiple sensor comprises water velocity meter, anemoclinograph, fuel consumption meter and rotating speed torsionmeter, is respectively used to measure rotating speed and the moment of torsion of water velocity, wind direction and wind speed, oil consumption and described duel fuel engine;
The efficiency controller being connected with described main engine remote control device with described multiple sensors, for calculating the least energy consumption value of described duel fuel engine under described environmental variance according to described testing signal, and generation represents the first control signal of the rotating speed relevant to described least energy consumption value, wherein, described main engine remote control device regulates the delivery volume of described the first fuel and described the second fuel and ratio between the two according to described the first control signal, thereby makes described duel fuel engine run on described rotating speed corresponding to described least energy consumption value;
Brushless pair of feedback axle generator, for providing electric energy to described network of ship;
At least one double fuel engine machine for subsequent use; described the first fuel and described the second fuel burn; supply with described network of ship to produce electric energy; wherein; network of ship described in efficiency monitoring control devices; to measure the electrical energy demands amount of boats and ships; in addition; the generated energy of the more described brushless pair of feedback axle generator of described efficiency controller and described electrical energy demands amount; and produce the second control signal to described double fuel engine machine for subsequent use, to regulate described double fuel engine machine for subsequent use to supply with the electric energy of described network of ship according to the result of described comparison; And
The multiple loads that are connected with described network of ship, wherein, described efficiency controller accesses the described load of described network of ship according to result generation the 3rd control signal control of described comparison.
And described boats and ships energy efficiency control system can also comprise:
The wave filter being connected with described network of ship, for the harmonic wave of filtering electrical network;
Voltage current transformer, for monitoring the real time execution parameter of described boats and ships, described Operational Limits comprises active power, wattless power, apparen power and total percent harmonic distortion,
Wherein, described efficiency controller is according to the harmonic wave of electrical network described in wave filter filtering described in described real time execution parameter generating the 4th control signal control.
The present invention also provides a kind of method of controlling boats and ships efficiency.Said method comprising the steps of:
Detect the residing environmental variance of described boats and ships and produce the testing signal that represents described environmental variance, wherein, described environmental variance comprises rotating speed and the moment of torsion of water velocity, wind direction and wind speed, oil consumption and duel fuel engine, in addition, described duel fuel engine burn the first fuel and the second fuel, and power is provided to the propeller cavitation of boats and ships, wherein, the rotating speed of described duel fuel engine is determined by described the first fuel and described the second fuel feed and ratio between the two;
Calculate described duel fuel engine required corresponding fuel feed and least energy consumption value of power under described environmental variance according to described testing signal, and produce the first control signal that represents described fuel feed and least energy consumption value;
Regulate the delivery volume of described the first fuel and described the second fuel and ratio between the two according to described the first control signal, thereby make described duel fuel engine run on described rotating speed corresponding to described least energy consumption value;
Monitor described network of ship, to measure the electrical energy demands amount of boats and ships;
The generated energy of more brushless pair of feedback axle generator and described electrical energy demands amount, wherein, described brushless pair of feedback axle generator provides electric energy to described network of ship;
Produce the second control signal at least one double fuel engine machine for subsequent use, to regulate described double fuel engine machine for subsequent use to supply with the electric energy of described network of ship according to the result of described comparison; And
Access the load of described network of ship according to result generation the 3rd control signal control of described comparison.
And the method for described control boats and ships can also comprise the following steps:
Monitor the real time execution parameter of described boats and ships, described Operational Limits comprises active power, wattless power, apparen power and total percent harmonic distortion; And
Produce described in the 4th control signal control the harmonic wave of electrical network described in wave filter filtering.
Compared with prior art, the control system of boats and ships of the present invention and controlling method remain operating in the least energy consumption state under current environment according to the environmental data of monitoring in real time, avoid presetting the uncertainty in navigation channel, saved the energy, reduced the discharge of greenhouse gases.In addition, use and rationally regulate by the collocation of brushless pair of feedback axle generator and double fuel engine machine for subsequent use, improved the stability of electrical network, meanwhile, reduced the energy consumption of double fuel engine machine, improve boats and ships efficiency.In addition, by the load number of real-time adjusting access electrical network, further improve the stability of electrical network, guaranteed the normal operation of boats and ships.
Accompanying drawing explanation
Figure 1 shows that boats and ships energy efficiency control system according to an embodiment of the invention.
Figure 2 shows that the structural representation of boats and ships efficiency controller according to an embodiment of the invention.
Figure 3 shows that the structural drawing of voltage current transformer and wave filter according to an embodiment of the invention.
Figure 4 shows that the workflow diagram of boats and ships energy efficiency control system according to an embodiment of the invention.
Embodiment
To embodiments of the invention be provided to detailed explanation below.Although the present invention sets forth and illustrates in connection with some embodiments, it should be noted that the present invention is not merely confined to these mode of executions.On the contrary, the modification that the present invention is carried out or be equal to replacement, all should be encompassed in the middle of claim scope of the present invention.
In addition, for better explanation the present invention, in embodiment below, provided numerous details.It will be understood by those skilled in the art that and there is no these details, the present invention can implement equally.In other example, method, flow process, element and the circuit known for everybody are not described in detail, so that highlight purport of the present invention.
Figure 1 shows that boats and ships energy efficiency control system 100 according to an embodiment of the invention.Boats and ships energy efficiency control system 100 comprises network of ship 106, sensor group 102, boats and ships efficiency controller 104, host module 108.Network of ship 106 provides electric energy for boats and ships.Sensor group 102 detects the residing environmental variance of boats and ships, and produces the testing signal 152 that represents these environmental variances.In one embodiment, sensor group 102 comprises water velocity meter, anemoclinograph, fuel consumption meter and rotating speed torsionmeter, is respectively used to measure the oil consumption of water velocity, wind direction and wind speed, boats and ships and rotating speed and the moment of torsion of engine of boat and ship (for example: the duel fuel engine 138 in host module 108).In one embodiment, each sensor uses wireless network and boats and ships efficiency controller 104 to exchange information.Host module 108 comprises duel fuel engine 138.Duel fuel engine 138 burn the first fuel and the second fuel, and power is provided to the propeller cavitation 116 of boats and ships.What deserves to be explained is, the size of the required power of boats and ships is relevant with environmental factor.The rotating speed of duel fuel engine 138 is determined by described the first fuel and described the second fuel feed and ratio between the two.In one embodiment, the first fuel and the second fuel are respectively LNG Liquefied natural gas (LNG) and diesel oil.Those skilled in the art will appreciate that the first fuel of the present invention and the second fuel can be also other fuel, do not repeat them here.Host module 108 also comprises main engine remote control device 132, oil-feeding device for engine 134 and motor air feeder 136.Main engine remote control device 132 produces control signal 152 and 154.Oil-feeding device for engine 134 and motor air feeder 136 are according to the consumption of control signal 152 and 154 control engine diesel oil and LNG Liquefied natural gas (LNG), thereby the ratio between condition lng (LNG) and diesel oil, thus, can regulate by the rotating speed of controlling duel fuel engine 138 power and the energy consumption that offer propeller cavitation 116.
Boats and ships efficiency controller 104 is connected with main engine remote control device 132 with sensor group 102.Boats and ships efficiency controller 104 receives testing signal 152, and calculate accordingly duel fuel engine 138 required corresponding fuel feed and least energy consumption value of power under current environment variable, and produce the first control signal 156 that represents fuel feed and least energy consumption value.In one embodiment, the power consumption values of duel fuel engine 138 can be represented by equivalent fuel consumption value.For example: the use amount of LNG Liquefied natural gas is converted to the use amount producing with the diesel oil of homenergic.Thus, equivalent fuel consumption value equals by the diesel oil use amount after the conversion of rock gas consumption and the summation of actual diesel oil use amount.Main engine remote control device 132 regulates the delivery volume of the first fuel and described the second fuel and ratio between the two according to the first control signal 156, thereby makes duel fuel engine produce required power and its rotating speed equals the corresponding tachometer value of least energy consumption value.Illustrate, the energy consumption of boats and ships unit distance (below also referred to as: unit oil consumption) can be expressed as:
Wherein, Q
srepresent main frame unit distance energy consumption, K represents scaling factor, and J represents real slurry advance coefficient, and w represents wake factor, [C
ts]
arepresent the total resistance coefficient of boats and ships, g
erepresent the amount of fuel that unit per hour useful horsepower consumes, n represents engine speed.More particularly, complex environment factor (comprising water velocity, wind direction and wind-force size etc.) can produce different direction and big or small resistance to the operation of boats and ships, affects the total resistance coefficient [C of boats and ships
ts]
a.Therefore, if resistance coefficient [C
ts]
aincrease, need to increase unit main frame unit distance oil consumption, also increase the equivalent delivery volume of the first fuel and the second fuel, vice versa.Meanwhile, from formula (1), under a certain specific navigation environment, (be the total resistance coefficient [C of boats and ships
ts]
aduring for a certain particular value), the quadratic function that the oil consumption of main frame unit distance is rotating speed.Because the specific energy consumption of two kinds of fuel is different, so guaranteeing that under the prerequisite of the energy resource supply under specific environment, can make energy consumption is the minimum value under this specific navigation environment.What deserves to be explained is, clear for illustrating, formula (1) is the simplified model providing according to particular boat mode of operation, those skilled in the art will be appreciated that, due to the difference of Ship Structure and the method for operation, the specific energy consumption of boats and ships also can be represented by other formula, and be not limited to formula (1).
Advantage is, in the time that environmental factor changes, boats and ships efficiency controller 104 can calculate the optimal proportion between the required fuel feed of normal operation and two kinds of fuel according to formula (1) and environmental variance 152, be consumption and the ratio of two kinds of fuel of optimum speed (optimum speed refers to engine speed corresponding to least energy consumption value under specific environmental agents), and send main engine remote control device 132 to by the first control signal 156.Main engine remote control device 132 is optimum speed by regulating ratio between the first fuel and described the second fuel and delivery volume to regulate the rotating speed of duel fuel engine 138, thereby realizes the least energy consumption of main frame operation.Compared with prior art, ship control system 100 can remain operating in least energy consumption state according to the environmental data of real-time monitoring, has avoided presetting the uncertainty in navigation channel, has saved the energy, has reduced the discharge of greenhouse gases.
In the embodiment in figure 1, alternate generator group comprises two alternate generators 112 and 114.In other embodiments, alternate generator group can be the alternate generator of other quantity, for example: 1,3 or 4.Because working principle is similar, only introduce the embodiment who comprises two alternate generators 112 and 114 here.Alternate generator 112 comprises double fuel engine machine 146, generator oil supplying device 142 and generator air feeder 144.Double fuel engine machine 146 burns the first fuel (for example: LNG Liquefied natural gas) and the second fuel (for example: diesel oil) to produce electric energy.Generator oil supplying device 142 and generator air feeder 144 receive respectively the second control signal 172 and 174, and the ratio regulating between the first fuel and the second fuel of supplying with double fuel engine machine 146 according to the second control signal 172 and 174, to regulate generated energy, control the oil consumption of double fuel engine machine 146.In like manner, alternate generator 112 comprises double fuel engine machine 166, generator oil supplying device 162 and generator air feeder 164.The ratio that generator oil supplying device 162 and generator air feeder 164 regulate between the first fuel and the second fuel of supplying with double fuel engine machine 166 according to the second control signal 176 and 178, to regulate generated energy, controls the energy consumption of double fuel engine machine 166.Advantage is, boats and ships efficiency controller 104 is monitored network of ship 106, to measure the electrical energy demands amount of boats and ships.In addition, generated energy and the electrical energy demands amount of 104 more brushless pairs of feedback axle generators 110 of boats and ships efficiency controller, and produce the second control signal 172-178 to double fuel engine machine 112 and 114 for subsequent use according to result relatively, to regulate double fuel engine machine 112 and 114 for subsequent use to supply with the electric energy of network of ship 106.Thus, improve the stability of electrical network 106, avoided because brushless pair of feedback axle generator 110 breaks down or the improper accident occurring out of service.Meanwhile, also reduce the oil consumption of double fuel engine machine, improved boats and ships efficiency.
In one embodiment, ship control system 100 also comprises multiple load 120,122 and 124, wave filter 126, nonlinear load 128 and linear load 130.Those skilled in the art will appreciate that multiple loads are not limited to 3 shown in Fig. 1, load can also be other numbers.The harmonic wave of wave filter 126 filtering electrical networks.Wave filter 126 will be described in detail in Fig. 3.Advantage is, boats and ships efficiency controller 104 detects network of ship 106, and produces the 3rd control signal 182,184 and 186 control load 120-124.For example, in the time that the result detecting represents that network of ship 106 is under-voltage, the 3rd control signal 182-186 controls the quantity that reduces 106 loads of access electrical network.Thus, further improve the stability of electrical network 106, guaranteed the normal operation of boats and ships.
Figure 2 shows that the structural representation of boats and ships efficiency controller 104 according to an embodiment of the invention.In the embodiment of Fig. 2, boats and ships efficiency controller 104 comprises data acquisition module 202, man-machine display module 204, digital signal processing module 206 and Realtime Alerts module 208.Be described in conjunction with Fig. 1, data acquisition module 202 receives testing signal 152, gather water velocity, wind direction and wind speed, the oil consumption of boats and ships and the rotating speed of engine of boat and ship and moment of torsion, and these parameter informations are sent to digital signal processing module 206 deal with.Digital signal processing module 206 produces the first control signal, the second control signal and the 3rd control signal main control system module 108, multiple load 120,122 and 124 and alternate generator 112 and 114.
As described in Figure 1, ship control system 100 also comprises voltage current transformer 118, for monitoring the real time execution parameter of boats and ships.These Operational Limitss comprise active power, wattless power, apparen power and total percent harmonic distortion.Data acquisition module 202 in boats and ships efficiency controller 104 gathers these real time execution parameters, sends digital signal processing module 206 to.Digital signal processing module 206 is processed these supplemental characteristics, and sends data after treatment to man-machine display module 204.Man-machine display module 204 shows this real time execution parameter.Occur if described real time execution parameter list is shown with fault, digital signal processing module 206 is notified Realtime Alerts module 208, thereby produces alarm signal.
Figure 3 shows that the structural drawing of voltage current transformer 118 and wave filter 126 according to an embodiment of the invention.In Fig. 3, the element identical with Fig. 1 label has identical function.Fig. 3 has described boats and ships efficiency controller 104 in detail and has controlled the working principle of voltage current transformer 118 and wave filter 126.
In one embodiment, voltage current transformer 118 comprises voltage transformer 1 summation current transformer 2.Wave filter 126 comprises relay 4, passive filter 5, relay 6, coupling transformer 7, switching harmonics wave filter 8, Active Power Filter-APF 10, DC capacitor 11, voltage transducer 12 and reactive power compensator 15.Be in operation, boats and ships efficiency controller 104 gathers the voltage and current of electrical network 106 by voltage transformer 1 summation current transformer 2, and calculates thus the total percent harmonic distortion of electrical network.In the time detecting that electrical network exists harmonic wave, the switch in closing relay 4, access passive filter 5, harmonic carcellation, and carry out certain power back-off.In addition, boats and ships efficiency controller 104 is by for example exporting control signal 9(: pulsewidth modulation (PWM) signal), control active filter 10, can improve filtering performance and the effect of whole mixed filtering system, avoid contingent series and parallel resonance between passive filter 5 and the inductance of electrical network 106.Switching harmonics wave filter 8 is LC low-pass filters, can filtering moves the high frequency burr producing because of switching device high frequency.Coupling transformer 7 can be isolated electric and be mated the voltage and current of pulsewidth modulation (PWM) current transformer.Wave filter 126 of the present invention can be other structures, and is not limited to the embodiment of Fig. 3.
Figure 4 shows that the workflow diagram 400 of ship control system 100 according to an embodiment of the invention.Fig. 4 is described in connection with Fig. 1 to Fig. 3.In step 402, detect the residing environmental variance of boats and ships and produce the testing signal that represents described environmental variance.In one embodiment, environmental variance comprises rotating speed and the moment of torsion of water velocity, wind direction and wind speed, oil consumption and duel fuel engine 138.Duel fuel engine 138 burn the first fuel (for example: LNG Liquefied natural gas) and the second fuel (for example: diesel oil), and power is provided to the propeller cavitation 116 of boats and ships.In step 404, calculate duel fuel engine 138 corresponding rotational speed N of least energy consumption value under this environmental variance according to testing signal, and produce the first control signal that represents rotational speed N.In step 406, monitoring network of ship, to measure the electrical energy demands amount of boats and ships.
In step 410, the generated energy P of more brushless pair of feedback axle generator 110 and electrical energy demands amount Q, wherein, brushless pair of feedback axle generator 110 provides electric energy to network of ship 106.If generated energy P is greater than electrical energy demands amount Q, enter step 411.In step 411, regulate ratio and the delivery volume between the first fuel and the second fuel according to the first control signal, thereby make this duel fuel engine operate in rotational speed N.If generated energy P is less than electrical energy demands amount Q, enter step 412, reduce the load number of access electrical network.Now, enter step 413, again compare generated energy P and electrical energy demands amount Q.If generated energy P is greater than electrical energy demands amount Q, enter step 411, regulate ratio and the delivery volume between the first fuel and the second fuel according to the first control signal, thereby make this duel fuel engine operate in rotational speed N.If generated energy P is still less than electrical energy demands amount Q, enter step 414, produce the second control signal at least one double fuel engine machine for subsequent use, to regulate duel fuel engine for subsequent use to supply with the electric energy of network of ship.
In step 415, detect network of ship.In step 416, produce according to testing result the wave filter that the 4th control signal control is connected with network of ship.
In sum, boats and ships energy efficiency control system of the present invention and controlling method are according to the environmental variance control bi-fuel sustainer supplying oil and gas amount that detects gained, according to the supplying oil and gas amount of the electricity needs control double fuel engine machine of full ship, and optimum management and control axle generator and double fuel engine machine for subsequent use.Compared with prior art, boats and ships energy efficiency control system of the present invention and controlling method make boats and ships can under environment complicated and changeable, remain operating in least energy consumption state, avoid presetting the uncertainty in navigation channel, saved the energy, reduced the discharge of greenhouse gases.Meanwhile, improve the stability of electrical network, guaranteed the normal operation of boats and ships.
Above embodiment and accompanying drawing are only the present invention's conventional embodiment.Obviously, under the prerequisite that does not depart from the present invention's spirit that claims define and invention scope, can have and variously augment, revise and replace.It should be appreciated by those skilled in the art that the present invention can change to some extent in form, structure, layout, ratio, material, element, assembly and other side according to concrete environment and job requirement in actual applications under the prerequisite that does not deviate from invention criterion.Therefore, be only illustrative rather than definitive thereof in the embodiment of this disclosure, the present invention's scope is defined by appended claim and legal equivalents thereof, and is not limited to description before this.
Claims (4)
1. a boats and ships energy efficiency control system, comprising:
Network of ship, for boats and ships provide electric energy;
Duel fuel engine, for the first fuel and the second fuel of burning, and provides power to the propeller cavitation of described boats and ships, and wherein, the rotating speed of described duel fuel engine is determined by described the first fuel and described the second fuel feed and ratio between the two; And
The main engine remote control device being connected with described duel fuel engine, for controlling described the first fuel and the second fuel that offer described duel fuel engine,
It is characterized in that, described ship control system also comprises:
Multiple sensors, for detection of the residing environmental variance of described boats and ships, and for generation of the testing signal that represents described environmental variance, wherein, described multiple sensor comprises water velocity meter, anemoclinograph, fuel consumption meter and rotating speed torsionmeter, is respectively used to measure rotating speed and the moment of torsion of water velocity, wind direction and wind speed, oil consumption and described duel fuel engine;
The efficiency controller being connected with described main engine remote control device with described multiple sensors, for calculating the least energy consumption value of described duel fuel engine under described environmental variance according to described testing signal, and generation represents the first control signal of the rotating speed corresponding with described least energy consumption value, wherein, described main engine remote control device regulates the delivery volume of described the first fuel and described the second fuel and ratio between the two according to described the first control signal, thereby makes described duel fuel engine run on described rotating speed corresponding to described least energy consumption value;
Brushless pair of feedback axle generator, for providing electric energy to described network of ship;
At least one double fuel engine machine for subsequent use; described the first fuel and described the second fuel burn; supply with described network of ship to produce electric energy; wherein; network of ship described in efficiency monitoring control devices; to measure the electrical energy demands amount of boats and ships; in addition; the generated energy of the more described brushless pair of feedback axle generator of described efficiency controller and described electrical energy demands amount; and produce the second control signal to described double fuel engine machine for subsequent use, to regulate described double fuel engine machine for subsequent use to supply with the electric energy of described network of ship according to the result of described comparison; And
The multiple loads that are connected with described network of ship, wherein, described efficiency controller accesses the described load of described network of ship according to result generation the 3rd control signal control of described comparison.
2. boats and ships energy efficiency control system according to claim 1, is characterized in that, also comprises:
The wave filter being connected with described network of ship, for the harmonic wave of filtering electrical network;
Voltage current transformer, for monitoring the real time execution parameter of described boats and ships, described Operational Limits comprises active power, wattless power, apparen power and total percent harmonic distortion,
Wherein, described efficiency controller is according to the harmonic wave of electrical network described in wave filter filtering described in described real time execution parameter generating the 4th control signal control.
3. a method of controlling boats and ships efficiency, is characterized in that, said method comprising the steps of:
Detect the residing environmental variance of described boats and ships and produce the testing signal that represents described environmental variance, wherein, described environmental variance comprises rotating speed and the moment of torsion of water velocity, wind direction and wind speed, oil consumption and duel fuel engine, in addition, described duel fuel engine burn the first fuel and the second fuel, and power is provided to the propeller cavitation of boats and ships, wherein, the rotating speed of described duel fuel engine is determined by described the first fuel and described the second fuel feed and ratio between the two;
Calculate described duel fuel engine required corresponding fuel feed and least energy consumption value of power under described environmental variance according to described testing signal, and produce the first control signal that represents described fuel feed and least energy consumption value;
Regulate the delivery volume of described the first fuel and described the second fuel and ratio between the two according to described the first control signal, thereby make described duel fuel engine run on described rotating speed corresponding to described least energy consumption value;
Monitor described network of ship, to measure the electrical energy demands amount of boats and ships;
The generated energy of more brushless pair of feedback axle generator and described electrical energy demands amount, wherein, described brushless pair of feedback axle generator provides electric energy to described network of ship;
Produce the second control signal at least one double fuel engine machine for subsequent use, to regulate described double fuel engine machine for subsequent use to supply with the electric energy of described network of ship according to the result of described comparison; And
Access the load of described network of ship according to result generation the 3rd control signal control of described comparison.
4. the controlling method of boats and ships efficiency according to claim 3, is characterized in that, described method is further comprising the steps of:
Monitor the real time execution parameter of described boats and ships, described Operational Limits comprises active power, wattless power, apparen power and total percent harmonic distortion; And
Produce described in the 4th control signal control the harmonic wave of electrical network described in wave filter filtering.
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Cited By (7)
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| CN104090595A (en) * | 2014-06-24 | 2014-10-08 | 武汉理工大学 | Ship navigational speed optimizing device and method based on main engine energy efficiency and navigation environment |
| CN104792383A (en) * | 2015-04-15 | 2015-07-22 | 江苏韩通船舶重工有限公司 | Real-time monitoring system for ship oil consumption |
| CN105129022A (en) * | 2015-08-31 | 2015-12-09 | 上海海事大学 | Energy saving and emission reduction real-time analysis method for ship speed reduction |
| WO2016090736A1 (en) * | 2014-12-09 | 2016-06-16 | 倪杰峰 | Method and device for energy-saving ship navigation |
| CN106681332A (en) * | 2017-03-01 | 2017-05-17 | 上海瑞华(集团)有限公司 | Optimal control device for dynamic efficiency of double-electric or pure electric ship |
| CN109990858A (en) * | 2018-01-03 | 2019-07-09 | 陕西汽车集团有限责任公司 | Diesel Methanol double fuel commercial vehicle fuel economy evaluation method and device |
| CN111946431A (en) * | 2020-08-05 | 2020-11-17 | 武汉理工大学 | Ship cogeneration optimal control system and control method utilizing waste heat of diesel generator |
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| CN104792383A (en) * | 2015-04-15 | 2015-07-22 | 江苏韩通船舶重工有限公司 | Real-time monitoring system for ship oil consumption |
| CN105129022A (en) * | 2015-08-31 | 2015-12-09 | 上海海事大学 | Energy saving and emission reduction real-time analysis method for ship speed reduction |
| CN106681332A (en) * | 2017-03-01 | 2017-05-17 | 上海瑞华(集团)有限公司 | Optimal control device for dynamic efficiency of double-electric or pure electric ship |
| CN109990858A (en) * | 2018-01-03 | 2019-07-09 | 陕西汽车集团有限责任公司 | Diesel Methanol double fuel commercial vehicle fuel economy evaluation method and device |
| CN111946431A (en) * | 2020-08-05 | 2020-11-17 | 武汉理工大学 | Ship cogeneration optimal control system and control method utilizing waste heat of diesel generator |
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