CN105150825B - A kind of multiaxis driving heavy vehicle mixed power plant and its control method - Google Patents
A kind of multiaxis driving heavy vehicle mixed power plant and its control method Download PDFInfo
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- CN105150825B CN105150825B CN201510411726.9A CN201510411726A CN105150825B CN 105150825 B CN105150825 B CN 105150825B CN 201510411726 A CN201510411726 A CN 201510411726A CN 105150825 B CN105150825 B CN 105150825B
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Abstract
The invention discloses a kind of multiaxis driving heavy vehicle mixed power plant and its control method, including：The electric machine of motor of engine, the first motor and the second motor composition, it is connected with battery, the output shaft of first motor and the second motor is connected with epicyclic train respectively, the motor shaft of motor of engine is connected with engine output shaft by epicyclic train, clutch is arranged on engine output shaft side, and motor of engine is connected with gearbox, is connected by gearbox with epicyclic train, engine and battery are connected with control device respectively, and control device is connected with monitoring device simultaneously；Due to the setting of control device, condition can be adhered to according to road surface by having the present invention, and reasonable distribution driving force plays road-holding properties to greatest extent, the characteristics of vehicle maneuverability stronger hybrid power.
Description
Technical field
The present invention relates to hybrid power system, and in particular to a kind of multiaxis driving heavy vehicle mixed power plant and its control
Method processed.
Background technology
At present, external U.S. army, Russia, European Countries etc. are generally military as the next generation using hybrid power electric drive platform
Multiaxis driving heavy vehicle drive system platform development direction, this and civilian vehicle field, national governments, enterprise, research institution
The world's vehicle development for greatly developing the new-energy automobile based on electric automobile, hybrid vehicle, fuel cell car becomes
Gesture is consistent, but the heavy vehicle researched and developed with this purpose, because running environment is severe, traffic information complexity has driving force
Unreasonable distribution, it is impossible to condition is adhered to according to road surface and plays attachment characteristic, the problem of mobility is not strong, as in greatest extent
A kind of hybrid power system is described in state's application for a patent for invention 201410103711.1, is characterized in gearbox no matter in pure electricity
Under drive pattern or engine drive mode, appropriate no-load voltage ratio can be provided, improves the pure electric distance travelled of system, system energy
Measure utilization ratio higher.But also could not go to overcome power to distribute reasonability and provide stronger by changing the power output of motor
Dynamic foundation, the problem of saving energy consumption.
The content of the invention
The present invention provides a kind of multiaxis driving heavy vehicle mixed power plant and its control method, it is therefore an objective to solve heavy
Vehicle power deficiency, driving force unreasonable distribution, condition can be adhered to according to road surface there is provided one kind the problems such as energy resource consumption is big,
Reasonable distribution driving force, plays road-holding properties, the stronger mixed power plant of vehicle maneuverability to greatest extent.
What the present invention was realized in：
A kind of multiaxis drives heavy vehicle mixed power plant, including：
Electric machine, it includes motor of engine, the first motor and the second motor, is connected respectively with battery, can be independent
Or combine together with engine while providing power for vehicle；
The motor of engine, it has the output shaft of penetration type, and one end of the output shaft connects the first planetary gear
The gear ring of system, the other end connection gearbox of the output shaft；The output shaft of gearbox connects the second planetary sun gear；
Engine, its outputting rotary power drives the sun gear of the first epicyclic train；First epicyclic train
Planetary gear has planet carrier, the sun gear of its third planet gear that outputs power；
First motor, its output shaft connects the second planetary gear ring；Second planetary planetary gear has planet
Frame, it outputs power to multiple drive axles of vehicle rear；
Second motor, its output shaft is connected to the gear ring of third planet gear；The planetary gear of third planet gear has row
Carrier, it exports the propons of power drive vehicle；
Monitoring device, it includes speed monitoring instrument and gradient monitor, and the speed monitoring instrument is used to monitor vehicle traveling
Speed；The gradient monitor is used to monitor the vehicle traveling road conditions angle of gradient；
Control device, it controls tail-off according to gradient monitor monitoring traveling road conditions gradient angle information；Root
According to the angle of gradient monitor monitoring traveling road conditions angle of gradient and speed monitoring instrument monitoring vehicle speed information, control respectively is started
The switch of machine switch and the electric machine, adjusts the power output of the electric machine.
Preferably, the motor of engine is fixed on the engine side.
Preferably, the gearbox is more than five grades of gearbox.
Preferably, the propons and drive axle, all have deceleration device respectively.
Preferably, center differential is additionally provided with the power path of power output to rear portion drive axle, it is used for
Eliminate the sliding phenomenon of driving wheel.
Preferably, it is characterised in that also including multiple energy storage batteries.
A kind of multiaxis drives the control method of heavy vehicle mixed power plant, it is characterised in that it is according to speed and slope
The second motor power P is adjusted in degree feedback signal2, the first motor power P1And motor of engine electrical power P0, wherein,
P0,P1,P2Unit is W；Uphill way feedback signal is set as just, descending section feedback signal is negative, plane section feedback signal
For 0, wherein, when gradient feedback signal for it is negative when, engine does not start, and the control device control drives car by electric machine
Traveling, while regulation speed is in 0 ＜ V1≤V0To ensure traffic safety；Electric machine is anti-according to feedback speed signal and the gradient
Feedback signal adjusts power output, as the ＜ V of feedback speed signal 01When≤5, the control device control independent output work of motor of engine
Rate, the electrical power of motor of engine passes throughMode
Regulation, wherein, V1It is heavy vehicle travel speed, unit is km/h, and η is power transmission efficiency coefficient, and m is heavy goods vehicles quality,
Unit is kg, and g is acceleration of gravity, and unit is m/s2, f1It is coefficient of rolling resistance, s is front face area, and unit is m2, ρ is outer
Boundary's ambient windstream density, unit is kg/m3, f2It is air resistance coefficient, A is constant, and e is the truth of a matter of natural logrithm；When velocity feedback letter
Number 5 ＜ V1When≤10, control device control motor of engine and the first motor are while power output, motor of engine electrical power is adjusted
Section mode is constant, and the first motor passes through
Mode is adjusted, and wherein α is the angle of gradient, and B is constant, and e is the truth of a matter of natural logrithm；As the ＜ V of feedback speed signal 101≤V0When, its
Middle V0It is the setting speed for reaching engine start, unit is km/h, control device control motor of engine, the first motor and the
Two motors simultaneously power output, wherein, motor of engine and the first motor power regulative mode are constant, the second motor power
Regulative mode is carried out according to the first motor power regulative mode.
Preferably, when gradient feedback signal is that vehicle start rear vehicle speed is not up to setting speed just or when being 0
V0When, engine does not start, and clutch disconnects, and drives vehicle to travel by electric machine, when vehicle start rear vehicle speed reaches
To setting speed V0When, engine start, electric machine is closed, and drives vehicle to travel by engine.
Preferably, the vehicle is needed in when running at a low speed, and control device control tail-off passes through the electricity
Machine device is driven, and vehicle is in low-speed running mode.
Preferably, when the vehicle is in acceleration, the engine and the electric machine drive vehicle to travel jointly；
When the vehicle is in deceleration, the tail-off, by electric machine driving vehicle traveling.
The beneficial effects of the invention are as follows：By monitoring device and control device, control engine and motor switch are adjusted simultaneously
Output power of motor is saved, heavy vehicle is adhered to condition according to road surface, reasonable distribution driving force plays road surface to greatest extent
Attachment characteristic, vehicle maneuverability is stronger.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation that multiaxis of the present invention drives heavy vehicle hybrid power.
Fig. 2 is the flow chart that multiaxis of the present invention drives heavy vehicle hybrid power control method.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
Fig. 1 shows a kind of way of realization according to the present invention, including：Engine 110, motor of engine 120,
One motor 121, the second motor 122, clutch 111, gearbox 112, battery 113, the first epicyclic train 152, the second planet
Gear train 153, third planet gear train 151, wherein, the clutch 111 is arranged on the output shaft side of engine 110, starts
The output revolving force of machine 110 drives the sun gear of the first epicyclic train 152, the planetary gear tool of first epicyclic train 152
There is planet carrier, it outputs power to the sun gear of third planet gear train 151, the motor of engine 120 has penetration type
Output shaft, its one end connect the first epicyclic train 152 gear ring, the other end connection gearbox 112, the gearbox 112
Output shaft connect the second epicyclic train 153 sun gear, the output shaft of the first motor 121 connect the second epicyclic train 153
Gear ring, the planetary gear of the second epicyclic train 153 has planet carrier, its output power to wheel rear portion drive axle 142,
143, the gear ring of the output shaft of the second motor 122 connection third planet gear train 151, the planetary gear tool of third planet gear train 151
There is planet carrier, it outputs power to vehicle propons 141；Monitoring device, it includes speed monitoring instrument 131 and gradient monitor
132, the speed monitoring instrument 131 is used to monitor heavy goods vehicles speed, transmits feedback signal；The gradient monitor 132 is used to supervise
Check weighing type bus or train route condition gradient angle information, transmits feedback signal, wherein, when in uphill way, feedback signal for just, when in
During descending section, feedback signal is negative, and when in plane section, feedback signal is 0；Control device 130, itself and the battery
113rd, engine 110 and monitoring device are connected, and battery is passed through according to speed monitoring instrument 131 and the feedback signal of gradient monitor 132
The switch and power output of the 113 control motor of engine 120, the first motor 121 and the second motor 122, control the hair
The startup and closing of motivation 110；Wherein described motor of engine 120, the first motor 121, the second motor 122 constitute motor dress
Put, be connected respectively with battery 113；Wherein, battery 113 is the lead-acid battery group being in series by battery cell.
Fig. 2 shows a kind of way of realization according to control method of the present invention, and its concrete operations flow is as follows：
S210：The road speed V of vehicle in the process of moving is monitored by speed monitoring instrument 131 and gradient monitor 1321
And road conditions angle of gradient α, uphill way feedback signal is set as just, descending section feedback signal is negative, plane section feedback signal
For 0.
S220、S221：The electrical power P of motor of engine 1200, the electrical power P of the first motor 1211And the electrical power of the second motor 122
P2It is adjusted by following mode：The traffic information that gradient monitor 132 is monitored, when gradient feedback signal is bears,
Engine 110 does not start, and control device 130 controls to drive vehicle to travel by the drive motor device of battery 113, while controlling car
Speed is in 0 ＜ V1≤V0To ensure traffic safety；The road speed monitored by speed monitoring instrument 131, electric machine is according to speed
Feedback signal and gradient feedback signal regulation power output, as the ＜ V of feedback speed signal 01When≤5, the control hair of control device 130
The individual output power of motivation motor 120, the electrical power of motor of engine 120 is adjusted in the following mannerWherein, P0,P1,P2Unit is W, V1It is heavy goods vehicles
Travel speed, unit is km/h, and η is power transmission efficiency coefficient, and m is heavy goods vehicles quality, and unit is kg, and g is that gravity accelerates
Degree, unit is m/s2, f1It is coefficient of rolling resistance, s is front face area, and unit is m2, ρ is external environment current density, and unit is
kg/m3, f2It is air resistance coefficient, A is constant, and e is the truth of a matter of natural logrithm；As the ＜ V of feedback speed signal 51When≤10, control dress
Put 130 control motor of engine 120 and the first motor 121 power output simultaneously, the electrical power of motor of engine 120 passes through following
Mode is adjustedThe electrical power of first motor 121 is led to
Cross in the following manner regulation,
Wherein α is the angle of gradient, and B is constant, and e is the truth of a matter of natural logrithm；As the ＜ V of feedback speed signal 101≤V0When, wherein V0It is to reach
To the setting speed of engine start, unit is km/h, the control of control device 130 motor of engine 120, the first motor 121 and
Second motor 122 power output simultaneously, wherein, the electrical power of motor of engine 120 is adjusted in the following mannerThe electrical power of first motor 121 passes through with lower section
Formula is adjusted, the electricity of the second motor 122
Power is adjusted in the following manner；
In the present embodiment, A=574.89, B=95.68, V0=40.
S230：When speed monitoring instrument 131 monitors that vehicle is in acceleration, engine and electric machine start drive jointly
Motor-car is travelled；When speed monitoring instrument 131 monitors that vehicle is in deceleration, engine 110 is closed, and car is driven by electric machine
Traveling.
S240：When vehicle is in for a long time as needed to be run at a low speed, control device can control engine 110 to close
Close, be driven by electric machine, vehicle is in low-speed running mode；In the present embodiment, running at a low speed speed is
25km/h。
S250：By speed monitoring instrument 131 and the monitoring information of gradient monitor 132, electric machine is believed according to velocity feedback
Number and gradient feedback signal regulation power output, when gradient feedback signal is just or when being 0, as the ＜ V of feedback speed signal 01
When≤5, the control individual output power of motor of engine 120 of control device 130, the electrical power of motor of engine 120 passes throughMode is adjusted, wherein, V1It is heavy vehicle traveling
Speed, unit is km/h, and η is power transmission efficiency coefficient, and m is heavy goods vehicles quality, and unit is kg, and g is acceleration of gravity, unit
For m/s2, f1It is coefficient of rolling resistance, s is front face area, and unit is m2, ρ is external environment current density, and unit is kg/m3, f2
It is air resistance coefficient, A is constant, and e is the truth of a matter of natural logrithm；As the ＜ V of feedback speed signal 51When≤10, control device 130 is controlled
The motor 121 of motor of engine 120 and first processed is while power output, the electrical power of motor of engine 120 is adjusted in the following manner
SectionThe electrical power of first motor 121 passes through following
Mode is adjusted
, wherein α is the angle of gradient, and B is constant, and e is the truth of a matter of natural logrithm；As the ＜ V of feedback speed signal 101≤V0When, wherein V0It is to reach
To the setting speed of engine start, unit is km/h, the control of control device 130 motor of engine 120, the first motor 121 and
Second motor 122 power output simultaneously, wherein, the electrical power of motor of engine 120 is adjusted in the following mannerThe electrical power of first motor 121 is adjusted in the following manner
Section, the electrical power of the second motor 122
Adjust in the following manner；
In the present embodiment, A=574.89, B=95.68, V0=40.
S260、S261、S262：Speed monitoring instrument 131 monitors car speed not up to setting speed after vehicle start
V0When, engine 110 does not start, and clutch disconnects, and drives vehicle to travel by electric machine；Speed monitoring after vehicle start
Instrument 131 monitors that car speed reaches setting speed V0When, engine 110 starts, and electric machine is closed, and passes through engine 110
To drive vehicle to travel, in the present embodiment, V0=40, unit is km/h.
In another embodiment, the motor of engine 120 is fixed on the side of engine 110.
In another embodiment, the gearbox 112 is more than five grades of gearbox.
In another embodiment, the propons 141 and drive axle 142,143 all have deceleration device respectively.
In another embodiment, center is additionally provided with the power path of power output to rear portion drive axle 142 poor
Fast device 157, when with different input angular velocities, it is used for the sliding phenomenon for eliminating driving wheel.
Can be the electric power storage of battery 131 by external power supply, together also including multiple energy storage batteries in another embodiment
When store energy while can also be by generator itself power output, reach the effect of discharge and recharge one.
In another embodiment, it under specific circumstances, can be used in counter-investigation operational requirements, close engine, vehicle
Driven by motor, silence is run at a low speed, highest pure motor driving mileage is more than 25km, can effectively avoid enemy and mainly lead at present
The Reconnaissance system that infrared radar detects thermal source is crossed, makes vehicle anti-reconnaissance capability stronger.
In another embodiment, when larger for vehicle dynamic property demand, particularly highlands, rarefaction of air,
When engine power declines, four power sources can be controlled to open output power, vehicle dynamic property simultaneously by control device 130
It will not decline because of altitude environment, vehicle dynamic property is more preferable.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To mixing dynamic in the present invention
The application of power apparatus, modifications and variations will be readily apparent to persons skilled in the art.
As described above, according to the present invention, due to the setting of the control device of mixed power plant, enabling heavy vehicle to solve
Certainly vehicle power deficiency, driving force unreasonable distribution, bar can be adhered to according to road surface there is provided one kind the problems such as energy resource consumption is big
Part, reasonable distribution driving force plays road-holding properties, the stronger mixed power plant of vehicle maneuverability to greatest extent.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of multiaxis drives heavy vehicle mixed power plant, it is characterised in that including：
Electric machine, it includes motor of engine, the first motor and the second motor, can be same with engine together alone or in combination
When provide power for vehicle；
The motor of engine, it has the output shaft of penetration type, and one end of the output shaft connects the first epicyclic train
Gear ring, the other end connection gearbox of the output shaft；The output shaft of gearbox connects the second planetary sun gear；
Engine, its outputting rotary power drives the sun gear of the first epicyclic train；The planet of first epicyclic train
Wheel has planet carrier, the sun gear of its third planet gear train that outputs power；
First motor, its output shaft connects the gear ring of the second epicyclic train；The planetary gear of second epicyclic train has planet
Frame, it outputs power to multiple drive axles of vehicle rear；
Second motor, its output shaft is connected to the gear ring of third planet gear train；The planetary gear of third planet gear train has row
Carrier, it exports the propons of power drive vehicle；
Monitoring device, it includes speed monitoring instrument and gradient monitor, and the speed monitoring instrument is used to monitor vehicle speed of operation；
The gradient monitor is used to monitor the vehicle traveling road conditions angle of gradient；
Control device, it monitors car speed according to the angle of gradient monitor monitoring traveling road conditions angle of gradient and speed monitoring instrument
The switch of information, control tail-off and the electric machine, adjusts the power output of the electric machine；
The speed monitoring instrument is used to monitor heavy goods vehicles speed, transmits feedback signal；The gradient monitor is used to monitor heavy type
Bus or train route condition gradient angle information, transmits feedback signal, wherein, when in uphill way, feedback signal is just, when in downhill path
Duan Shi, feedback signal is negative, and when in plane section, feedback signal is 0.
2. multiaxis as claimed in claim 1 drives heavy vehicle mixed power plant, it is characterised in that the motor of engine
It is fixed on the engine side.
3. multiaxis as claimed in claim 1 or 2 drives heavy vehicle mixed power plant, it is characterised in that the gearbox
For more than five grades gearboxes.
4. multiaxis as claimed in claim 1 drives heavy vehicle mixed power plant, it is characterised in that the propons and driving
Bridge, all has deceleration device respectively.
5. multiaxis as claimed in claim 4 drives heavy vehicle mixed power plant, it is characterised in that after power output is arrived
Center differential is additionally provided with the power path of portion's drive axle, it is used for the sliding phenomenon for eliminating driving wheel.
6. the multiaxis driving heavy vehicle mixed power plant as any one of claim 1,2,4 or 5, its feature exists
In also including multiple energy storage batteries.
7. a kind of multiaxis drives the control method of heavy vehicle mixed power plant, it is characterised in that using such as claim 1-6
Any one of multiaxis driving heavy vehicle mixed power plant；It is adjusted the according to speed and gradient feedback signal
Two motor power P2, the first motor power P1And motor of engine electrical power P0, wherein, P0,P1,P2Unit is W；In setting
Slope section feedback signal is that just, descending section feedback signal is negative, and plane section feedback signal is 0, wherein, when gradient feedback letter
Number for it is negative when, engine does not start, and the control device control drives vehicle to travel by electric machine, while regulation speed exists
0<V1≤V0To ensure traffic safety；Electric machine adjusts power output according to feedback speed signal and gradient feedback signal, works as speed
Spend feedback signal 0<V1When≤5, control device control motor of engine individual output power, the electrical power of motor of engine passes through
Mode is adjusted, wherein, V1It is heavy vehicle row
Speed is sailed, unit is km/h, and η is power transmission efficiency coefficient, and m is heavy goods vehicles quality, and unit is kg, and g is acceleration of gravity, it is single
Position is m/s2, f1It is coefficient of rolling resistance, s is front face area, and unit is m2, ρ is external environment current density, and unit is kg/
m3, f2It is air resistance coefficient, A is constant, and e is the truth of a matter of natural logrithm；When feedback speed signal 5<V1When≤10, control device control
Motor of engine processed and the first motor are while power output, motor of engine electrical power regulative mode is constant, and the first motor passes through
Mode is adjusted, and wherein α is the angle of gradient, and B is constant, and e is the truth of a matter of natural logrithm；When feedback speed signal 10<V1≤V0
When, wherein V0It is the setting speed for reaching engine start, unit is km/h, control device control motor of engine, the first electricity
Machine and the second motor power output simultaneously, wherein, motor of engine and the first motor power regulative mode are constant, the second motor
Electrical power regulative mode is carried out according to the first motor power regulative mode.
8. multiaxis as claimed in claim 7 drives the control method of heavy vehicle mixed power plant, it is characterised in that work as slope
Degree feedback signal is that vehicle start rear vehicle speed is not up to setting speed V just or when being 00When, engine does not start, from
Clutch disconnects, and drives vehicle to travel by electric machine, when vehicle start rear vehicle speed reaches setting speed V0When, engine
Start, electric machine is closed, and drives vehicle to travel by engine.
9. multiaxis as claimed in claim 7 drives the control method of heavy vehicle mixed power plant, it is characterised in that described
Vehicle is needed in when running at a low speed, and control device control tail-off is driven by the electric machine, makes vehicle
In low-speed running mode.
10. multiaxis as claimed in claim 7 drives the control method of heavy vehicle mixed power plant, it is characterised in that institute
When stating vehicle in acceleration, the engine and the electric machine drive vehicle to travel jointly；When the vehicle is in deceleration,
The tail-off, by electric machine driving vehicle traveling.
Priority Applications (1)
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| CN201510411726.9A CN105150825B (en) | 2015-07-14 | 2015-07-14 | A kind of multiaxis driving heavy vehicle mixed power plant and its control method |
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| CN105150825B true CN105150825B (en) | 2017-07-18 |
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| CN106828068B (en) * | 2017-03-14 | 2019-01-15 | 辽宁工业大学 | A kind of energy storage device and its control method for heavy hybrid vehicle |
| CN113148093B (en) * | 2021-04-22 | 2022-10-28 | 哈尔滨工程大学 | Power distribution method of parallel ship hybrid power system |
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| CN101235882A (en) * | 2007-01-31 | 2008-08-06 | 通用汽车环球科技运作公司 | Electrically variable transmission device using multiple pairings of electrical machines |
| CN102245418A (en) * | 2008-12-09 | 2011-11-16 | 丰田自动车株式会社 | Power transmission device for front and rear wheel drive vehicle |
| CN104859641A (en) * | 2014-02-21 | 2015-08-26 | 丰田自动车株式会社 | Hybrid vehicle and control method thereof |
| CN204749838U (en) * | 2015-07-14 | 2015-11-11 | 中国人民解放军装甲兵技术学院 | Heavy vehicle hybrid device of multiaxis drive |
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2015
- 2015-07-14 CN CN201510411726.9A patent/CN105150825B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389358A (en) * | 2001-05-31 | 2003-01-08 | 陈清泉 | Mixed serial and parallel electric-vehicle driving system with epicyclic gear |
| JP3855905B2 (en) * | 2002-09-27 | 2006-12-13 | トヨタ自動車株式会社 | Hybrid vehicle drive system |
| CN1898482A (en) * | 2003-12-19 | 2007-01-17 | 通用汽车公司 | Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratios |
| CN101235882A (en) * | 2007-01-31 | 2008-08-06 | 通用汽车环球科技运作公司 | Electrically variable transmission device using multiple pairings of electrical machines |
| CN102245418A (en) * | 2008-12-09 | 2011-11-16 | 丰田自动车株式会社 | Power transmission device for front and rear wheel drive vehicle |
| CN104859641A (en) * | 2014-02-21 | 2015-08-26 | 丰田自动车株式会社 | Hybrid vehicle and control method thereof |
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| CN105150825A (en) | 2015-12-16 |
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