CN104709456B - A kind of series parallel type oil electric mixed dynamic system of tuna long liner - Google Patents
A kind of series parallel type oil electric mixed dynamic system of tuna long liner Download PDFInfo
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- CN104709456B CN104709456B CN201510130745.4A CN201510130745A CN104709456B CN 104709456 B CN104709456 B CN 104709456B CN 201510130745 A CN201510130745 A CN 201510130745A CN 104709456 B CN104709456 B CN 104709456B
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Abstract
The present invention relates to a kind of series parallel type oil electric mixed dynamic system of tuna long liner, described series parallel type oil electric mixed dynamic system includes：Diesel engine, power distributor, battery, motor, fuzzy controller, gear-box and propeller.It the advantage is that：The present invention passes through fuzzy controller, reasonable selection distributes diesel power systems and motor power system, operating mode under full steam, the different dynamic demand thrown rope operating mode, play rope operating mode can be met, enable diesel engine steady operation near efficient region, fuel economy is improved, pollution is reduced；The torque reaction of motor is rapid, it is small to fluctuate, and has wider speed adjustable range, larger torque can be exported during low speed, and with larger overload factor, operating efficiency is high, stability is good, improves the mobility of fishing operation；The present invention, as transmission mechanism, is improved the transmission performance of hybrid power system, reduces power consumption penalty using magnet coupling.
Description
Technical field
It is a kind of series parallel type oil of tuna long liner specifically the present invention relates to a kind of tuna long liner
Electric mixed dynamic system.
Background technology
With the development of Chinese deep-sea fishing, tuna longline fishery proportion shared in China's deep-sea fishing is gradually
Increase, tuna belongs to ocean property migratory fishes, is of high nutritive value, and wide market, tuna longline fishing boat is ocean
The key equipment of fishery.
Tuna long liner is a kind of fishing boat dedicated for fishing for deep-sea tuna, in the case where playing rope working condition, gold
The marlin longliner activity duration was more than 10 hours, and the speed of a ship or plane is relatively low, was typically saved in 3-6, can not if carrying out design speed with this
Meet fast searching and hurry to fishing ground to require.From the perspective of Promoting Industrial sustainable development, seeking one kind can give full play to
The method that the advantage of tuna long liner can effectively reduce oil consumption and discharge again, has become the problem of people pay close attention to jointly.
Existing tuna long liner is typically using adjustable propeller device or spacing oar device or all electric propulsion system dress
Put.The rotary speed of diesel engine of adjustable propeller device can keep stable, but operate in propulsive efficiency under low load condition it is relatively low,
Oil consumption is larger, expensive, and device is complicated, and tuna longline operation belongs to long range fishing, and maintenance difficulty is larger；Spacing
Oar device is that propeller is fixed, if changing the speed of a ship or plane needs to adjust with reduction box by diesel engine, therefore, fishing boat is playing rope operation
Under operating mode, diesel engine long-time low-speed running, not only efficiency is low, and oil consumption is high, and diesel engine can be caused damage；Full electric power is pushed away
The operating mode under full steam of tuna long liner need to be met by entering system, it is necessary to be equipped with powerful motor, therefore motor body
Product is larger, takes fishing boat space, and is difficult in the tuna long liner of smaller cabin arrangement of making rational planning for.
Therefore, a kind of system that can make the diesel engine steady operation of tuna long liner near efficient region is needed badly
Device, such fuel economy is higher, it is possible to reduce the discharge of pollutant.
The content of the invention
The purpose of the present invention is for of the prior art not enough oily electric there is provided a kind of series parallel type of tuna long liner
Hybrid power system.
To achieve the above object, the present invention is adopted the technical scheme that：
A kind of series parallel type oil electric mixed dynamic system of tuna long liner, described series parallel type oil electric mixed dynamic system
System includes：Diesel engine, power distributor, battery, motor, fuzzy controller, gear-box and propeller, described diesel engine
It is coaxially connected by the first magnetic coupling with power distributor, described power distributor respectively with the second magnetic coupling,
Magneto is connected, and the second described magnetic coupling is connected with gear-box, and described magneto is connected with battery
Connect, battery is connected with motor, described motor is connected by the 3rd magnetic coupling with gear-box, described gear-box
It is connected with propeller, described fuzzy controller is connected with diesel engine, battery, motor respectively.
Described diesel engine is provided with first sensor and working electromagnet valve, and described motor is provided with the second sensing
Device, described fuzzy controller is provided with two output ports and three input ports, described output port respectively with work
Magnetic valve, battery connection, described input port are connected with first sensor, second sensor, battery respectively.
Described gear-box is provided with first gear train, second gear train and the 3rd gear wheel-train, the first described tooth
Wheel train is connected with the second magnetic coupling, and described second gear train is connected with propeller, the 3rd described gear
Train is connected with the 3rd magnetic coupling.
Described magnetic coupling includes copper rotor and p-m rotor, and described copper rotor is connected with drive shaft, described
P-m rotor is connected with bearing axle.
The control method of described fuzzy controller is：
(1) determination and calculating of input variable, described input variable includes：Motor speed N, the charged shape of battery
The torque of whole ship demand and the target torque difference DELTA T of current diesel engine at state value SOC, power coupling；
(2) fuzzy control rule is determined, control rule is represented with production method, every control rule can be written as：
if(N is Ni)and(SOC is SOCm)and(ΔT isΔTn), then (K is Kimn)；
Wherein, NiDomain be { Low, High }, SOCmDomain for NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM,
PB, PBB } Δ TnDomain be { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }；
(3) output variable is determined, described output variable is the moment coefficient K of engine.
Described input variable and the membership function of output variable use Triangleshape grade of membership function.
The invention has the advantages that：
1st, the present invention is a kind of new type power propulsion mode of tuna long liner, passes through fuzzy controller reasonable selection
Diesel power systems and motor power system are distributed, operating mode under full steam can be met, rope operating mode is thrown, play rope operating mode not
Same power demand, enables diesel engine steady operation near efficient region, improves fuel economy, reduce pollution.
2nd, the torque reaction of motor is rapid, it is small to fluctuate, and has wider speed adjustable range, and larger turn can be exported during low speed
Square, with larger overload factor, operating efficiency is high, stability is good, improves the mobility of fishing operation.
3rd, the present invention improves the transmission performance of hybrid power system using magnet coupling as transmission mechanism, reduces
Power consumption penalty.
Brief description of the drawings
Accompanying drawing 1 is a kind of structure chart of the series parallel type oil electric mixed dynamic system of tuna long liner of the invention.
Accompanying drawing 2 is the structure chart of magnetic coupling.
Accompanying drawing 3 is the control block diagram of fuzzy controller.
Embodiment
The embodiment that the present invention is provided is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows：
1. the first sensor of diesel engine 11.
12. the power distributor of working electromagnet valve 2.
3. the first gear train of gear-box 31.
32. the gear wheel-train of second gear train 33. the 3rd
41. the magnetic coupling of the first magnetic coupling 42. second
43. the drive shaft of the 3rd magnetic coupling 401.
The p-m rotor of 402. copper rotor 403.
The magneto of 404. bearing axle 5.
6. the motor of battery 7.
71. the fuzzy controller of second sensor 8.
9. propeller.
Embodiment
Fig. 1 is refer to, Fig. 1 is a kind of structure of the series parallel type oil electric mixed dynamic system of tuna long liner of the invention
Figure.Described series parallel type oil electric mixed dynamic system includes：It is diesel engine 1, power distributor 2, battery 6, motor 7, fuzzy
Controller 8, gear-box 3 and propeller 9, described diesel engine 1 and power distributor 2 connect by the way that the first magnetic coupling 41 is coaxial
Connect, described power distributor 2 is connected with the second magnetic coupling 42, magneto 5 respectively, the second described magnetic force shaft coupling
Device 42 is connected with gear-box 3, and described magneto 5 is connected with battery 6, and battery 6 is connected with motor 7, described
Motor 7 be connected by the 3rd magnetic coupling 43 with gear-box 3, described gear-box 3 is provided with first gear train 31, the
Two gear wheel-trains 32 and the 3rd gear wheel-train 33, described first gear train 31 are connected with the second magnetic coupling 42, institute
The second gear train 32 stated is connected with propeller 9, and the 3rd described gear wheel-train 33 is connected with the 3rd magnetic coupling 43
Connect, described fuzzy controller 8 is provided with two output ports and three input ports, described diesel engine 1 is provided with first
Sensor 11 and working electromagnet valve 12, described motor 7 are provided with second sensor 71, described output port respectively with work
Make magnetic valve 12, battery 6 to connect, described input port respectively with first sensor 11, second sensor 71, battery 6
Connection.
Fig. 2 is refer to, Fig. 2 is the structure chart of magnetic coupling, described magnetic coupling includes copper rotor 402 and permanent magnetism
Rotor 403, described copper rotor 402 is connected with drive shaft 401, and described p-m rotor 403 is connected with bearing axle 404.
Fig. 3 is refer to, Fig. 3 is the control block diagram of fuzzy controller.It is described when described hybrid power system work
Three input ports of fuzzy controller 8 gather three data：The difference of duty requirements torque and the torque of diesel engine 1, battery 6
State-of-charge SOC and the rotating speed of motor 7.By the difference of fishing boat current working demand torque and the output torque of diesel engine 1, electric power storage
The state-of-charge SOC and the rotating speed of motor 7 in pond 6 quantify by fuzzy control, obscured as the input signal of fuzzy controller 8
The steps such as change, membership function design, fuzzy rule formulation, ambiguity solution draw the torque distribution coefficient of diesel engine 1 and the torque of motor 7
Two output signals, are then respectively outputted to working electromagnet valve 12 and battery 6 on diesel engine 1, by working by distribution coefficient
Magnetic valve 12 controls the accelerator open degree of diesel engine 1, and output voltage is controlled by battery 6, so as to control diesel engine 1 respectively and electronic
The torque of machine 7.
The input signal of fuzzy controller 8 needs to carry out yardstick quantization, is transformed in the range of domain, the value after quantization
Inputted as the signal of fuzzy controller 8, the output signal obtained by Fuzzy control system also passes through yardstick quantization, quantifies
Value afterwards as fuzzy controller output.The input signal of described fuzzy controller and the domain of output signal are divided into many
Individual fuzzy subset, the input signal of fuzzy controller and the membership function of output signal use triangular membership.Input
Signal actual torque and difference DELTA T, state-of-charge SOC of battery 6 of the output torque of diesel engine 1 as needed for fishing boat current working
Constituted with the rotating speed N of motor 7, it is therefore desirable to which Δ T, SOC, N are quantified.
(1) fuzzy controller input quantity is determined with calculating
The input variable of fuzzy controller is Δ T, SOC, N, and the output variable of fuzzy controller is the torque system of engine
Number K.
ΔT：The torque of whole ship demand and the target torque difference of current diesel engine at power coupling；
SOC：The SOC of battery；
N：Motor speed.
The difference DELTA T of the torque of fishing boat duty requirements and diesel engine torque is：Δ T=Tγ-T0。TγIt is that fishing boat duty requirements turn
Square, T0It is diesel engine square value.In order that fuzzy controller generalization, order
When the torque of whole ship demand is located at the torque interval of diesel engine, i.e. Tγ=[0, Te-max] when, Δ Tscale∈ [- 5,5],
Domain can be set as [0,10], the storage battery charge state SOC value that actually enters is changed into [0,10] model after yardstick quantifies
Interior a certain numerical value is enclosed, an input quantity of fuzzy controller is used as.
If SOC work higher limits are SOChigh, lower limit is SOClow, i.e. SOC ∈ [SOClow, SOChigh], by linear change
The state-of-charge calculation formula for changing rear battery 6 is：
The input signal SOC of fuzzy controller in present invention actual change scope is SOCscale∈ [- 5,5], can be by
Domain is set as [0,10].The storage battery charge state SOC value that actually enters is changed into after yardstick quantifies in the range of [0,10]
A certain numerical value, be used as an input quantity of fuzzy controller.
(2) control process of fuzzy controller
The input signal of fuzzy controller and the membership function of output signal use triangular membership.Fuzzy control
It is more that the fuzzy subset of device input variable and output variable divides, and controls the degree of refinement of rule higher, by input variable and
Output variable domain is subdivided into 11 fuzzy subsets, it is ensured that the accuracy of control.
ΔTscaleFuzzy set be { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }
SOC fuzzy set is { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }
N fuzzy set is { Low, High }
K fuzzy set is { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }
NBB represents negative maximum, and NB represents negative big, during NM represents negative, and NS represents negative small, and NSS represents that negative pole is small, and ZE represents 0,
PSS represents just minimum, and PS represents just small, and PM represents center, and PB represents honest, and PBB represents positive maximum, and Low represents low, High tables
Show height.
Control rule is represented with production method, every control rule can be written as：
if(N is Ni)and(SOC is SOCm)and(ΔT isΔTn), then (K is Kimn),
Ni∈ { Low, High }；
SOCm∈ { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }；
ΔTn∈ { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }；
The rule of fuzzy control is as shown in table 1, table 2：
The fuzzy reasoning table when N of table 1 fuzzy variable is High
The fuzzy reasoning table when N of table 2 fuzzy variable is Low
When the demand torque of tuna long liner current working is less than 1 output torque of diesel engine, if battery 6
State-of-charge SOC is less than setting value, and battery 6 does not discharge, and diesel engine 1 should drive forever in addition to meeting fishing boat demand torque, also
Magnetic generator 5 charges to battery 6；If the state-of-charge SOC of battery 6 is higher than setting value, fuzzy controller 8 will be closed
The output torque of reason distribution diesel engine 1 and motor 7, makes the steady operation of diesel engine 1 near efficient region, fuel oil is reduced with this
Consumption rate, if necessary diesel engine 1 shut down and do not work.
When the demand torque of tuna long liner current working is more than 1 output torque of diesel engine, if battery 6
State-of-charge SOC is higher than setting value, and battery 6 discharges electricity and coordinates the common driving load of diesel engine 1, Fuzzy Control by motor 7
The reasonable distribution of device 8 processed controls the torque ratio of two power sources, so as to allow the steady operation of diesel engine 1 near efficient region, drops
Low burn specific oil consumption；If the state-of-charge SOC of battery 6 is less than setting value, the second magnetic coupling 42 disconnects, diesel engine 1
Power is not transferred to gear-box 3 during work, the power of diesel engine 1 by power distributor 2 distribute after drive magneto 5,
The electric energy that magneto 5 is produced charges to battery 6.
The working condition of the tuna long liner of the present invention is as follows：
1. operating mode under full steam
During operating mode under full steam, the drive pattern of tuna long liner is diesel engine 1 and the joint driving mould of motor 7
Formula.Now, the 3rd gear wheel-train 33 connected by the power-actuated first gear train 31 of diesel engine 1 and the main shaft of motor 7 exists
In gear-box 3 and car, diesel engine-motor power and car are realized, propeller is passed to by the second gear train 32 of gear-box 3
9。
2. throw rope operating mode
When throwing rope operating mode, the drive pattern of tuna long liner is Diesel Driven pattern.Now, diesel engine 1 works,
Motor 7 does not work, and the 3rd magnetic coupling 43 disconnects, and diesel engine 1 transfers power to power distributor 2, diesel engine 1 it is dynamic
Power after power distributor 2 is distributed, a part be delivered to first gear train 31 by the second magnetic coupling 42, finally via
Second gear train 32 is output to propeller 9, and another part driving magneto 5, magneto 5 produces power storage and existed
In battery 6.
3. low speed plays rope operating mode
When low speed plays rope operating mode, the speed of a ship or plane is low, the time is long, and the drive pattern of tuna long liner is the driving mould of motor 7
Formula.When the state-of-charge SOC of battery 6 is higher than setting value, battery 6 provides electric power, the power of propeller 9 to motor 7
Entirely from motor 7, diesel engine 1 is in long-time closed mode；When the state-of-charge SOC of battery 6 is less than setting value
When, diesel engine 1 is opened and steady operation is near efficient region, meanwhile, the second magnetic coupling 42 disconnects, and diesel engine 1 works
When power be not transferred to gear-box 3, the power of diesel engine 1 by power distributor 2 distribute after drive magneto 5, permanent magnetism
The electric energy that generator 5 is produced charges to battery 6.
Tuna long liner using 36 meters, 300 tons is carried out under full steam as research object to tuna long liner
4h, the oil consumption test thrown rope 6h, play rope 12h, the test result are obtained by SIMULINK software emulations, tuna long liner point
Series parallel type oil electric mixed dynamic system and conventional power system that Cai Yong be not of the invention, oil consumption test result be shown in Table 3；
Table is tested in the oil consumption of table 3
From the data of table 3, the series parallel type oil electric mixed dynamic system and tradition of tuna long liner of the invention
Dynamical system is compared, with obvious fuel economy, using the tuna long liner of series parallel type oil electric mixed dynamic system
Compared with the tuna long liner of conventional power system, single operation fishes for fuel consumption and reduces 18%.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (4)
1. a kind of control method of the series parallel type oil electric mixed dynamic system of tuna long liner, it is characterised in that
The control method of described series parallel type oil electric mixed dynamic system includes：It is diesel engine, power distributor, battery, electronic
Machine, fuzzy controller, gear-box and propeller, described diesel engine are coaxially connected with power distributor by the first magnetic coupling
Connect, described power distributor is connected with the second magnetic coupling, magneto respectively, described the second magnetic coupling with
Gear-box is connected, and described magneto is connected with battery, and battery is connected with motor, and described motor passes through
3rd magnetic coupling is connected with gear-box, and described gear-box is connected with propeller, described fuzzy controller respectively with bavin
Oil machine, battery, motor connection；Described diesel engine is provided with first sensor and working electromagnet valve, described motor
Second sensor is provided with, described fuzzy controller is provided with two output ports and three input ports, described output
Port is connected with working electromagnet valve, battery respectively, described input port respectively with first sensor, second sensor, storage
Battery is connected；Three input ports of described fuzzy controller gather three data：Duty requirements torque and diesel engine torque
Difference, the state-of-charge SOC and motor speed of battery, ship current working demand torque and diesel engine output torque will be fished
Difference, the state-of-charge SOC of battery and motor speed as fuzzy controller input signal, by fuzzy control quantity
The step of change, obfuscation, membership function design, fuzzy rule formulation, ambiguity solution, draws diesel engine torque distribution coefficient and electronic
Two output signals, are then respectively outputted to working electromagnet valve and battery on diesel engine, by work by machine torque distribution coefficient
Make the accelerator open degree of solenoid valve control diesel engine, output voltage is controlled by battery；
The control method of described fuzzy controller is：
(1) determination and calculating of input variable, described input variable includes：Motor speed N, the SOC of battery
The torque of whole ship demand and the target torque difference DELTA T of current diesel engine at SOC, power coupling；
(2) fuzzy control rule is determined, control rule is represented with production method, every control rule can be written as：
if(N is Ni)and(SOC is SOCm)and(ΔT isΔTn), then (K is Kimn)；
Wherein, NiDomain be { Low, High }, SOCmDomain for NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB,
PBB}ΔTnDomain be { NBB, NB, NM, NS, NSS, ZE, PSS, PS, PM, PB, PBB }；NBB represents negative maximum, and NB represents negative
Greatly, during NM represents negative, NS represents negative small, and NSS represents that negative pole is small, and ZE represents that 0, PSS represents just minimum, and PS represents just small, PM tables
Show center, PB represents honest, PBB represents positive maximum, Low represents low, High represents high；
Fuzzy reasoning table when N fuzzy variable is High is：
Fuzzy reasoning table when N fuzzy variable is Low is：
(3) output variable is determined, described output variable is the moment coefficient K of engine.
2. the control method of series parallel type oil electric mixed dynamic system according to claim 1, it is characterised in that described tooth
Roller box is provided with first gear train, second gear train and the 3rd gear wheel-train, described first gear train and the second magnetic force
Shaft coupling is connected, and described second gear train is connected with propeller, and the 3rd described gear wheel-train and the 3rd magnetic force join
Axle device is connected.
3. the control method of series parallel type oil electric mixed dynamic system according to claim 1, it is characterised in that described magnetic
Power shaft coupling includes copper rotor and p-m rotor, and described copper rotor is connected with drive shaft, described p-m rotor and bearing axle
Connection.
4. the control method of series parallel type oil electric mixed dynamic system according to claim 1, it is characterised in that described is defeated
The membership function for entering variable and output variable uses Triangleshape grade of membership function.
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| CN112078772B (en) * | 2020-08-28 | 2021-08-03 | 江苏大学 | Hybrid power system of marine internal combustion engine and fuel cell and control method thereof |
| CN112937826A (en) * | 2021-03-19 | 2021-06-11 | 广西玉柴机器股份有限公司 | Using method of marine propulsion system |
| CN113232868B (en) * | 2021-05-24 | 2022-06-17 | 南京航空航天大学 | Multi-energy composite propulsion series-parallel unmanned aerial vehicle and control method thereof |
| CN113525656B (en) * | 2021-07-08 | 2022-10-28 | 哈尔滨工程大学 | Gas-electric hybrid power ship energy distribution method based on propeller rotating speed closed loop |
| CN114834622A (en) * | 2022-05-27 | 2022-08-02 | 哈尔滨工程大学 | Ship diesel-electric hybrid power propulsion system based on fuzzy control |
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