CN104029672B - A kind of dynamo-electric mixing becomes the control method of energy device - Google Patents

A kind of dynamo-electric mixing becomes the control method of energy device Download PDF

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Publication number
CN104029672B
CN104029672B CN201410273614.7A CN201410273614A CN104029672B CN 104029672 B CN104029672 B CN 104029672B CN 201410273614 A CN201410273614 A CN 201410273614A CN 104029672 B CN104029672 B CN 104029672B
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motor
vehicle
gear
clutch
power
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CN104029672A (en
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叶辉萍
肖磊
马士奔
邢杰
陈锐
金宇春
朱兰
叶辉
黄冠富
韩雪峰
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China North Vehicle Research Institute
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China North Vehicle Research Institute
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Abstract

The invention discloses a kind of dynamo-electric mixing and become energy device and control method thereof, this device mainly includes a planet row (2), clutch structure and two motors, the input of sun gear is connected with the outfan of electromotor by clutch structure, the rotating shaft of gear ring and the first motor connects, the rotating shaft of planet carrier and the second motor connects, and this rotating shaft is also the clutch end that dynamo-electric mixing becomes energy device.The control method of the present invention is by the control of motor under various operating modes, thus realizes properly functioning under various operating modes of vehicle.Present configuration is simple, and cost is relatively low, it is possible to achieve the comprehensive high-efficiency output of mechanical energy and electric energy, and is capable of the Brake energy recovery recycling of vehicle, and vehicles dynamic performance is greatly improved, and improves economic performance and environmental-protecting performance that vehicle travels simultaneously；It is capable of this target of infinitely variable speeds；And it is capable of the specific function requirement of vehicle pure motor driving.

Description

A kind of dynamo-electric mixing becomes the control method of energy device
Technical field
The present invention relates to a kind of by device comprehensive to mechanical energy and electric energy and control method thereof, it is possible to by mechanical energy and electric energy After comprehensive, efficiently output drives vehicle and realizes the automatic stepless speed-regulating function of vehicle, it is also possible to by vehicle deceleration or braked Mechanical energy transfer in journey is that electric energy recovery stores to recycle, and belongs to a kind of high-efficiency transmission device.
Background technology
Orthodox car uses and causes energy shortage and problem of environmental pollution, and electric motor car can use non-petroleum energy replacement portion Divide or whole oil energy is as energy source, it is possible to largely alleviate the situation that petroleum-based energy is nervous, can also have simultaneously Effect solves the Heavy environmental pollution problem that orthodox car uses petroleum-based energy to be caused.Due to the limitation of battery technology development, The development of pure electric vehicle and being widely used is restricted, and the hybrid electric vehicle technology of hold concurrently electric motor car and orthodox car advantage obtains Extensive application.
Technology of Hybrid Electric Vehicle development it is crucial that realize the comprehensive high-efficiency transmitting device of hybrid power, give full play to mixing dynamic The advantage of power technology, on the premise of ensureing vehicles dynamic performance, improves economic performance and environmental-protecting performance that vehicle travels.Mesh Before, the structure of vehicle combination drive technology typically has tandem, parallel and series parallel type.Serial mixed power version has There is structure to arrange conveniently, control simple feature, be mainly used in the wheeled vehicle of all-wheel drive, the work of its electromotor and tool The road conditions of body the most directly associate and can always work under efficient routine；Defect is that this version requires power part Performance parameter is relatively big, energy change experience chemical energy be converted into mechanical energy, changes mechanical energy be electric energy, electric energy be then converted to machinery The process of energy, so energy conversion efficiency is relatively low.Parallel type hybrid dynamic version and series parallel hybrid power version Then have employed electric drive and mechanically operated mixed form, a road is electric drive path, and another road is Mechanical Driven path, and these are two years old Driving path, road imports comprehensive actuator jointly, and finally output power is to wheel.Wherein, endless-track vehicle structure is more applicable In using series parallel hybrid power structure, key technology is to realize the Dynamic Synthesis transmitting device of series-parallel connection technology, but existing Said apparatus version complicated, relatively costly.
Summary of the invention
The present invention is that a kind of dynamo-electric mixing becomes energy device and control method thereof, solves existing series parallel hybrid power knot The complicated relatively costly problem of configuration formula, it is possible to realize the comprehensive high-efficiency output of mechanical energy and electric energy；Electromotor always works in Under efficient routine；And it is capable of automatic stepless speed-regulating function；And Brake energy recovery recycling function；The property of power part Energy parameter request is less, and energy transfer efficiency is higher.
The technical solution adopted in the present invention is as follows: a kind of dynamo-electric mixing becomes energy device, it is characterised in that: mainly include one Individual planet row, clutch structure and two motors, described planet row includes sun gear, planetary gear, gear ring, planet carrier；Sun gear Input is connected with the outfan of electromotor by clutch structure, and the rotating shaft of gear ring is connected with the rotating shaft of the first motor, planet carrier Rotating shaft with the second motor is connected；The rotating speed of planet row is defined below: r1*n1+r3*n3=(r1+r3)*nH, wherein, r1、n1Respectively It is the radius of sun gear, rotating speed, r3、n3It is the radius of gear ring, rotating speed respectively, nHIt it is the rotating speed of planet carrier；The rotating shaft of the second motor Also being the clutch end of dynamo-electric mixing change energy device, Dynamic Synthesis exports follow-up actuating device and arrives the action of vehicle again Part.
Described clutch structure includes a power intake, a clutch end, a gear shifting actuating mechanism and housing； Described gear shifting actuating mechanism has three, left, center, right gear to control, and when gear shifting actuating mechanism is in left gear, gearshift performs Mechanism engages with power intake, and gear shifting actuating mechanism engages with clutch end simultaneously, then power intake and power output End realizes connection；When gear shifting actuating mechanism is in middle gear, gear shifting actuating mechanism departs from power intake, and gearshift simultaneously is held Row mechanism engages with clutch end, then power intake does not connects with clutch end and clutch end is for rotating without constraint State；When gear shifting actuating mechanism is in right gear, gear shifting actuating mechanism and housing realize static friction braking, execution of simultaneously shifting gears Mechanism engages with clutch end, then clutch end is constrained static does not rotates.
A kind of dynamo-electric mixing becomes the control method of energy device, it is characterised in that comprise the following steps:
1) vehicle start accelerating mode: control electromotor and first start, sets engine speed direction as positive direction, control Clutch is in left gear and puts, and controls the second motor and is in electric model, and output torque is that peak torque condition, rotating speed are from zero It is incremented by positive direction operation i.e. vehicle and starts starting acceleration；Controlling the first motor and be in generating state, rotating speed is servo-actuatedPower generation mode absorbs storage excess energy；
2) vehicle urgency accelerating mode: controlling the second motor is that electric model exports peak torque, exports torque with planet carrier Comprehensively, it is provided that the high driving torque demand of vehicle, rotating speed is incremented by；Driving power demand the most then to control the first motor is electronic mould Formula, torque peak export, and rotating speed is servo-actuated n 3 = ( r 1 + r 3 ) * n H - r 1 * n 1 r 3 ;
3) vehicle at the uniform velocity driving cycle: controlling the second motor is electric model, invariablenes turning speed；Control the first motor with generating Pattern work or the torque-demand with balancing vehicle that do not works, rotating speed is servo-actuated n 3 = ( r 1 + r 3 ) * n H - r 1 * n 1 r 3 ;
4) vehicle climbing operating mode: controlling the second motor is that electric model exports peak torque, combines with planet carrier output torque Close, it is provided that high driving torque demand during vehicle climbing；First motor speed is servo-actuatedBy car Power demand is high or low works in electric model or power generation mode；
5) car braking driving cycle: in vehicle deceleration or braking procedure, controls electromotor and is in idling work state And make clutch be in middle gear to put；First motor and the second motor are power generation mode, are electric energy storage changes mechanical energy Exist in accumulator battery；It is achieved in the recycling of braking energy.
6) vehicle reverse driving cycle: control electromotor and be in idling operation and control clutch and be in right gear and put, The sun gear locking of planet arrangement mechanism；Control the second motor be electric model, rotary speed direction be opposite direction, then vehicle reverse row Sail: when vehicle reverse accelerates, the second motor output torque be peak torque condition, rotating speed be incremented by；When at the uniform velocity travelling, second Motor speed is constant；According to the power demand of above-mentioned vehicle backing driving cycle, determine that the first motor is electric model or non-work Making, rotating speed is servo-actuated n 3 = ( r 1 + r 3 ) * n H - r 1 * n 1 r 3 .
The invention has the beneficial effects as follows: it is simple that the dynamo-electric mixing of the present invention becomes energy apparatus structure, and cost is relatively low, and permissible Realize the comprehensive high-efficiency output of mechanical energy and electric energy, and the Brake energy recovery being capable of vehicle recycles, power performance Can be greatly improved, improve economic performance and environmental-protecting performance that vehicle travels simultaneously；The clutch structure of the present invention not only may be used To realize power transmission, it is also possible to rupturing duty, it is achieved car braking, it is also possible to the locking sun gear when reversing, it is achieved reversing The operation of operating mode.Further, since the rotating speed of motor can realize infinitely variable speeds, so dynamo-electric mixing change energy device power is defeated The rotating speed going out end is capable of this target of infinitely variable speeds；And it is capable of the specific function requirement of vehicle pure motor driving. Properly functioning under various operating modes of vehicle can be realized by the control method of the present invention, and be capable of energy regenerating again Utilize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dynamo-electric mixing change energy device of the present invention.
Fig. 2 is the clutch structure schematic diagram of the dynamo-electric mixing change energy device of the present invention.
Fig. 3 is the planet row structure schematic diagram of the dynamo-electric mixing change energy device of the present invention.
Fig. 4 is the application schematic diagram of the present invention.
In figure: 1. clutch structure, 2. planet row, 3. the first motor, 4. the second motor；
11. power input shaft, 12. power output shafts, 13. gear shifting actuating mechanisms；
21. sun gears, 22. planetary gears, 23. gear rings, 24. planet carriers；
31. dynamo-electric mixing become energy device, 32. electromotors, 33. accumulator batteries.
Detailed description of the invention
For making the purpose of the present invention, content and advantage clearer, below in conjunction with the accompanying drawings and embodiment, to the present invention's Detailed description of the invention is described in further detail.
Fig. 1, shown in 3, dynamo-electric mixing becomes and can mainly include a planet row 2, clutch structure 1 and two motors by device, profit Realize the break-make of this device and mechanical input with a clutch structure 1, make use of a planet row 2 to realize the shunting of energy Or conflux；Described planet row includes sun gear 21, planetary gear 22, gear ring 23, planet carrier 24；The outfan of electromotor 32 connect from Closing the input of structure 1, the input of clutch structure 1 is i.e. the mechanical input that electromechanics of the present invention mixing becomes energy device, clutch The outfan of structure 1 and sun gear rotating shaft connect, and the rotating shaft of gear ring 23 is connected with the rotating shaft of the first motor 3, planet carrier 24 and the The rotating shaft of two motors 4 connects；The rotation speed relation of planet row is as follows: r1*n1+r3*n3=(r1+r3)*nH, wherein, r1、n1It is respectively The radius of sun gear, rotating speed, r3、n3It is the radius of gear ring, rotating speed respectively, nHIt it is the rotating speed of planet carrier；The rotating shaft of the second motor 4 Also being the clutch end of dynamo-electric mixing change energy device, power exports follow-up actuating device and arrives the action portion of vehicle again Point.
In Fig. 2, described clutch structure includes that 11, clutch end of a power intake 12, gearshift performs Mechanism 13 and housing；Described gear shifting actuating mechanism 13 has three, left, center, right gear can control, when gear shifting actuating mechanism 13 is in During left gear, gear shifting actuating mechanism 13 engages with power intake 11, and gear shifting actuating mechanism 13 is nibbled with clutch end 12 simultaneously Close, then power intake 11 realizes connecting with clutch end 12；When gear shifting actuating mechanism 13 is in middle gear, gearshift performs Mechanism 13 departs from power intake 11, and gear shifting actuating mechanism 13 engages with clutch end 12 simultaneously, then power intake 11 Do not connect with clutch end 12 and clutch end 12 is for without constraint rotary state；When gear shifting actuating mechanism 13 is in right gear Time, gear shifting actuating mechanism 13 and housing realize static friction braking, and gear shifting actuating mechanism 13 engages with clutch end 12 simultaneously, then Clutch end 12 is constrained static not to be rotated.
As shown in Figure 4, when the present invention is applied to vehicle hybrid driving, dynamo-electric mixing becomes the mechanical input of energy device 31 End is connected with the outfan of electromotor 32, and the cable output of accumulator battery 33 mixes the cable input becoming energy device 31 with electromechanics Connecting, mechanical mixture becomes the clutch end of energy device 31 and is connected with follow-up actuating device, drives vehicle operation.
In conjunction with vehicle traction performance analysis, the concrete control method of this device is as follows:
1) vehicle start accelerating mode: requiring electromechanics mixing to become can have low speed high torque characteristic by device, but now drives Power demand is relatively low.Setting engine speed direction as positive direction, control clutch and be in left gear and put, dynamo-electric mixing becomes energy The output speed of the device i.e. rotating speed of planet row starts to be 0, the rotating speed of the rotating speed of gear ring that is first motor be negative direction start forNow the driving power demand of vehicle is big compared with little and driving torque demand, controls the second motor and is in electronic shape State, output torque be peak torque condition, rotating speed from the zero increase i.e. vehicle of positive direction operation start starting accelerate；Control the first electricity It is servo-actuated that machine is in generating state, rotating speedPower generation mode absorbs storage excess energy.
2) vehicle urgency accelerating mode: during the anxious acceleration of vehicle, driving torque demand is high, drives power demand big.Driving torque Demand is high, then controlling the second motor is that electric model exports peak torque, comprehensive with planet carrier output torque, it is provided that the height of vehicle Driving torque demand, rotating speed is incremented by；Driving power demand the most then to control the first motor is electric model, peak torque output, mends The high torque (HT) of charging system, high power requirements, rotating speed is servo-actuated n 3 = ( r 1 + r 3 ) * n H - r 1 * n 1 r 3 .
3) vehicle at the uniform velocity driving cycle: when vehicle at the uniform velocity travels, driving torque demand is relatively low, it is desirable to dynamo-electric mixing becomes and can fill Put and there is the little torque characteristics of high speed.Controlling the second motor is electric model, invariablenes turning speed.Control the first motor work in either a generation Making or the torque-demand with balancing vehicle that do not works, rotating speed is servo-actuated n 3 = ( r 1 + r 3 ) * n H - r 1 * n 1 r 3 .
4) vehicle climbing operating mode: during vehicle climbing, general speed is the highest, but driving torque requires very big, drives power demand Greatly.Driving torque demand is high, then controlling the second motor is that electric model exports peak torque, comprehensive with planet carrier output torque, carries High driving torque demand when climbing for vehicle, rotating speed is relatively low.First motor speed is servo-actuated Power generation mode or electric model is worked in: described vehicle power demand can be calculated by existing formula by vehicle power demand Draw, the power that vehicle power demand height i.e. vehicle demand power can provide more than electromotor and the second motor, then the One motor is electric model, otherwise is then power generation mode.
5) car braking driving cycle: in vehicle deceleration or braking procedure, controls electromotor and is in idling work state The mixing change energy device disengaging of incorporating mill electricity, i.e. clutch are in middle gear and put；First motor and the second motor are generating mould Formula changes mechanical energy be electrical power storage in power assist apparatus, be achieved in the recycling of braking energy；This is Braking function, coordinates the mechanical braking pattern of vehicle to realize the brake request of vehicle.
6) vehicle reverse driving cycle: when vehicle backing travels, general speed is relatively low, and vehicle power demand is little.Permissible Control electromotor is in the mixing of idling operation incorporating mill electricity and becomes and can depart from by device, and control clutch is in right gear and puts, planet The sun gear locking of row mechanism；Control the second motor be electric model, rotary speed direction be opposite direction, then vehicle reverse travels: when Vehicle reverse accelerate time, the second motor output torque be peak torque condition, rotating speed be incremented by；When at the uniform velocity travelling, the second motor Invariablenes turning speed；According to the power demand of above-mentioned vehicle backing driving cycle, determine that the first motor, for not work or electric model, turns Speed is servo-actuated

Claims (1)

1. the control method of a dynamo-electric mixing change energy device, it is characterised in that: dynamo-electric mixing becomes energy device mainly include one Planet row (2), clutch structure (1) and two motors, described planet row include sun gear (21), planetary gear (22), gear ring (23), Planet carrier (24)；The input of sun gear (21) is connected with the outfan of electromotor (32) by clutch structure (1), gear ring (23) Rotating shaft be connected with the rotating shaft of the first motor (3), planet carrier (24) is connected with the rotating shaft of the second motor (4)；Planet carrier (24), too Sun wheel is as follows with the rotation speed relation of gear ring: r1*n1+r3*n3=(r1+r3)*nH, wherein, r1、n1It is the radius of sun gear respectively, turns Speed, r3、n3It is the radius of gear ring, rotating speed respectively, nHIt it is the rotating speed of planet carrier；The rotating shaft of the second motor (4) is also that dynamo-electric mixing becomes The clutch end of energy device, power exports follow-up actuating device and arrives the undercarriage of vehicle again；Described clutch structure Including a power intake (11), a clutch end (12), a gear shifting actuating mechanism (13) and housing；Described gearshift Actuator (13) has three, left, center, right gear to control, and when gear shifting actuating mechanism (13) is in left gear, gearshift performs Mechanism (13) engages with power intake (11), and gear shifting actuating mechanism (13) engages with clutch end (12) simultaneously, then power Input (11) realizes connecting with clutch end (12)；When gear shifting actuating mechanism (13) is in middle gear, execution machine of shifting gears Structure (13) departs from power intake (11), and gear shifting actuating mechanism (13) engages with clutch end (12) simultaneously, then power is defeated Enter to hold (11) not connect with clutch end (12) and clutch end (12) is for without constraint rotary state；Work as gear shifting actuating mechanism (13), when being in right gear, gear shifting actuating mechanism (13) and housing realize static friction braking, simultaneously gear shifting actuating mechanism (13) with Clutch end (12) engages, then clutch end (12) is constrained static does not rotates；
Control method specifically includes following steps:
1) vehicle start accelerating mode: control electromotor and first start, sets engine speed direction as positive direction, control clutch Mechanism is in left gear and puts, and controls the second motor and is in electric model, and output torque is that peak torque condition, rotating speed are passed from zero Increase；Control the first motor and be in generating state, rotating speed n3Servo-actuated；
2) vehicle urgency accelerating mode: controlling the second motor is that electric model exports peak torque, and rotating speed is incremented by；Drive power demand Big then control the first motor be electric model, torque peak output, rotating speed n3Servo-actuated；
3) vehicle at the uniform velocity driving cycle: controlling the second motor is electric model, invariablenes turning speed；Control the first motor in either a generation Work or do not work, rotating speed n3Servo-actuated；
4) vehicle climbing operating mode: controlling the second motor is that electric model exports peak torque, and the first motor speed is servo-actuated, by vehicle Power demand is high or low works in electric model or power generation mode；
5) car braking driving cycle: in vehicle deceleration or braking procedure, controls electromotor and is in idling work state and makes Clutch is in middle gear and puts；First motor and the second motor are power generation mode, are that electrical power storage exists changes mechanical energy In accumulator battery；
6) vehicle reverse driving cycle: control electromotor and be in idling operation and control clutch and be in right gear and put, planet The sun gear locking of row mechanism；Control the second motor be electric model, rotary speed direction be opposite direction, then vehicle reverse travels: when Vehicle reverse accelerate time, the second motor output torque be peak torque condition, rotating speed be incremented by；When at the uniform velocity travelling, the second motor Invariablenes turning speed；According to the power demand of above-mentioned vehicle backing driving cycle, determine that the first motor is electric model or does not works, turn Speed n3Servo-actuated.
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