CN108128213A - Power-control method and system - Google Patents
Power-control method and system Download PDFInfo
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- CN108128213A CN108128213A CN201711400769.2A CN201711400769A CN108128213A CN 108128213 A CN108128213 A CN 108128213A CN 201711400769 A CN201711400769 A CN 201711400769A CN 108128213 A CN108128213 A CN 108128213A
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000003137 locomotive effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005183 dynamical system Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- 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
- B60W30/18—Propelling the vehicle
-
- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- 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
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The embodiment of the present invention provides a kind of power-control method and system, and this method includes receiving the rotating speed of motor and the output torque information that electric machine controller is sent；The second clutch is controlled to keep connection with the planetary gear set according to the rotating speed of the motor and output torque information and transmitted under the driving of the motor into action edge, the first clutch is controlled to be disengaged with the planetary gear set and the third clutch is controlled to be combined to complete gear switch with the planetary gear set after the first clutch is disengaged with the planetary gear set.The embodiment of the present invention can effectively improve the overall performance of the power control system in electric vehicle, reduce power of motor consumption.
Description
Technical field
The present invention relates to technical field of new energy, in particular to a kind of power-control method and system.
Background technology
The dynamical system of pure electric vehicle pick up is mainly using electric-machine directly-driven mode or motor and the matched drive of reduction box at present
Flowing mode, still, both type of drive are driven using the motor of the large torque slow-speed of revolution, cause motor cost excessively high,
And high efficient district is relatively narrow.
Invention content
In view of this, the embodiment of the present invention is designed to provide a kind of power-control method and system, to improve above-mentioned
Problem.
Present pre-ferred embodiments provide a kind of power-control method and are applied to the automatic change being connect with automatic gear-box
Fast case control unit, the automatic gear-box include planetary gear set, first clutch, second clutch and third clutch,
The input shaft of the automatic gear-box is connect with motor, and the planetary gear set is set to the input of the automatic gear-box
Axis, the first clutch, second clutch and third clutch are set to the planetary gear set, the method includes：
Receive the rotating speed for the motor that electric machine controller (MCU, Moter Contro l Unit) is sent and output torque letter
Breath；
The second clutch is controlled to be protected with the planetary gear set according to the rotating speed of the motor and output torque information
It holds connection and transmits and control the first clutch and the planetary gear set into action edge under the driving of the motor
It disengages, and the third clutch and the planetary gear set is controlled after the first clutch and the planetary gear set disengage
With reference to complete gear switch.
In the selection of present pre-ferred embodiments, the method further includes：
After the first clutch and the planetary gear set disengage, the first clutch free movement is controlled；With
And
Whether the combination torque for detecting the third clutch and the planetary gear set has met power transmission demand,
If having met power transmits demand, the second clutch is controlled to carry out surmounting free movement, controls the third clutch
Device is transmitted into action edge.
Present pre-ferred embodiments also provide a kind of power-control method, applied to including electric machine controller, motor, automatic
Gearbox and automatic gear-box control unit, the automatic gear-box include planetary gear set, first clutch, second clutch
With third clutch, the input axis connection of the motor and the automatic gear-box, and the planetary gear set are set to described
The input shaft of automatic gear-box, the first clutch, second clutch and third clutch are set to the planetary gear set,
The method includes：
The rotating speed and output torque information of the electric machine controller transmission motor are to the automatic gear-box control unit；
The automatic gear-box control unit according to the rotating speed and output torque information of the motor control described second from
Clutch keeps connection and under the driving of the motor into action edge transmission and control described first with the planetary gear set
Clutch is disengaged with the planetary gear set, and controls the third after the first clutch and the planetary gear set disengage
Clutch is combined to complete gear switch with the planetary gear set.
In the selection of present pre-ferred embodiments, the method further includes：
After the first clutch and the planetary gear set disengage, described in the automatic gear-box control unit control
First clutch free movement；And
The automatic gear-box control unit detects the third clutch and the combination torque of the planetary gear set
The no power that met transmits demand, if having met power transmits demand, the second clutch is controlled surmount certainly
By moving, the third clutch is transmitted into action edge.
In the selection of present pre-ferred embodiments, the power control system further includes entire car controller, in the electricity
Before the rotating speed and output torque information of machine controller transmission motor are to the step of automatic gear-box control unit, the side
Method further includes：
The entire car controller (VCU, Veh i c l e Contro l Un it) detects gear information and according to the shelves
Position information calculation of throttle aperture and the rotating speed of motor and output torque information and by the rotating speed are calculated according to the accelerator open degree
The electric machine controller is sent to output torque information.
In the selection of present pre-ferred embodiments, the method further includes：
The electric machine controller calculates big for the power of driving motor rotation according to the rotating speed and output torque information
It is small, and the motor is controlled to be rotated according to the watt level.
In the selection of present pre-ferred embodiments, before the step of entire car controller detects gear information, institute
The method of stating includes：
The entire car controller detection power control system is not present with the presence or absence of failure when in the power control system
During failure, the entire car controller performs the step of detecting gear information.
In the selection of present pre-ferred embodiments, the method further includes：
When, there are during failure, being preserved in the power control system to fault message, and by the fault message into
Row shows to prompt driver.
Present pre-ferred embodiments also provide a kind of power control system, including motor, automatic gear-box and fluid drive
Case control unit, the automatic gear-box include planetary gear set, first clutch, second clutch and third clutch；
The motor and the input axis connection of the automatic gear-box, and the planetary gear set is set to the automatic change
The input shaft of fast case, the first clutch, second clutch and third clutch are set to the planetary gear set and can
It is combined with the planetary gear set to realize gear switch under the control of the automatic gear-box control unit.
In the selection of present pre-ferred embodiments, the first clutch and the third clutch are multi-disc clutch
Device, the second clutch are one-way clutch, and the motor is high-speed electric expreess locomotive.
Compared with prior art, the embodiment of the present invention provides a kind of power-control method and system, wherein, the dynamic Control
System realizes that the power in shift process transmits by the way of motor and the cooperation of two-shift automatic variable speed case, can effectively improve dynamic
The overall performance of Force control system reduces motor power consumption and cost.Meanwhile the entirety of the invention that can also effectively extend electric vehicle continues
Boat ability.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the frame structure schematic diagram of power control system provided in an embodiment of the present invention.
Fig. 2 is the power-control method of the power control system provided in an embodiment of the present invention applied to shown in Fig. 1
Flow diagram.
Fig. 3 is that the flow of the power-control method provided in an embodiment of the present invention applied to automatic gear-box control unit is shown
It is intended to.
Fig. 4 is another flow diagram of power-control method provided in an embodiment of the present invention
Icon：10- power control systems；11- entire car controllers；12- electric machine controllers；The control of 13- automatic gear-box is single
Member；14- automatic gear-box；15- motors.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually
The component for the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be configured to arrange and design with a variety of different.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
As shown in Figure 1, the frame structure schematic diagram for power control system 10 provided in an embodiment of the present invention, wherein, it should
Power control system 10 includes automatic gear-box control unit 13, automatic gear-box 14 and motor 15, the automatic gear-box 14
Including planetary gear set, first clutch, second clutch and third clutch.The motor 15 and the automatic gear-box 14
Input axis connection, and the planetary gear set is set to the input shaft of the automatic gear-box 14, the first clutch,
Two clutches and third clutch are set to the planetary gear set.
Wherein, the first clutch and the third clutch can be multiplate clutch, and the second clutch can
Think that one-way clutch, such as mechanical one-way clutch, the present embodiment are not limited herein.In addition, the motor 15 can be
Rotating speed is more than the high-speed electric expreess locomotive 15 of 10000r/min, and 15 power density of motor of the high-speed electric expreess locomotive 15 is high, but volume is much smaller than work(
The common motor 15 of rate, can effectively save material, reduce cost.
It should be noted that the automatic gear-box 14 is two-shift automatic variable speed case 14.Therefore, in the embodiment of the present invention by using
High-speed electric expreess locomotive 15 matches the mode transmitted into action edge with two-shift automatic variable speed case 14, can effectively promote the globality of electric vehicle
Can, reduce the power consumption of motor 15 and manufacture cost.Meanwhile relative to existing direct-drive type power-driven system, the present embodiment
In the power control system 10 that provides can extend the cruising ability of electric vehicle.
The automatic gear-box control unit 13 is used for according to the rotary speed information and output torque information control received
Automatic gear-box 14 processed realizes that gear switch, such as low grade switch to high-grade or top grade and switch to low grade.
In addition, the power control system 10 further includes electric machine controller 12 and entire car controller 11, the full-vehicle control
Device 11 is connect with the electric machine controller 12 and the automatic gear-box control unit 13, the electrode controller and the motor
15 connections.Wherein, the entire car controller 11 is used to detect the status information and electric vehicle of the power control system 10
Gear information, and according to the gear information calculation of throttle aperture, and then power information and electricity when obtaining carrying out gear switch
The rotary speed information and output torque of machine 15, and power information when carrying out gear switch is sent to institute in a manner of power request
It states electric machine controller 12 and the rotary speed information and output torque is sent to automatic gear-box control unit 13.
The electric machine controller 12 is rotated according to the power request control motor 15 received.
Further, based on the description and design to above-mentioned power control system 10, as shown in Fig. 2, the embodiment of the present invention
A kind of power-control method applied to the power control system 10 is also provided, below in conjunction with Fig. 2 to the dynamic Control side
The specific steps and flow of method are described.
Step S10, the entire car controller 11 detects the power control system 10 with the presence or absence of failure, when the power
When fault message being not present in control system 10, then step S12 is performed, it is on the contrary then perform step S11.
It wherein, can be only in electric vehicle when the entire car controller 11 detects the power control system 10 with the presence or absence of failure
It carries out, can also be carried out in electric vehicle gearshift or operational process, this example is not limited herein when powering on and starting.
In addition, core electron control unit of the entire car controller 11 as the full-vehicle control decision of electric vehicle, has
Full Vehicle System fault diagnosis is protected and store function, after such as by monitoring car status information and carrying out judgement processing to it,
Such as speed, temperature send operating status control instruction of vehicle etc. to dynamical system, electrokinetic cell system.
Step S11, when, there are during failure, being preserved in the power control system 10 to the fault message, and will
The fault message is shown to prompt driver.
In the embodiment of the present invention, if the entire car controller 11 detects that there are failure letters in the power control system 10
Breath, then preserved and shown to the fault type etc., in order to which driver carries out in time failure according to fault cues information
It repairs.
Step S12, the entire car controller 11 detect gear information and according to the gear information calculation of throttle aperture and
According to the rotating speed of accelerator open degree calculating motor 15 and output torque information and the rotating speed and output torque information are sent to
The electric machine controller 12.
Step S13, the electric machine controller 12 are calculated according to the rotating speed and output torque information for driving motor 15
The watt level of rotation, and the motor 15 is controlled to be rotated according to the watt level.
Step S14, the rotary speed information and output torque information of the transmission of electric machine controller 12 motor 15 are to described automatic
Gear box control unit 13.
Step S15, the automatic gear-box control unit 13 is according to the rotating speed of the motor 15 and output torque information control
The second clutch is made to keep connection with the planetary gear set and transmit into action edge under the driving of the motor 15, with
And the control first clutch is disengaged with the planetary gear set, and is disengaged in the first clutch and the planetary gear set
After the third clutch is controlled to be combined to complete gear switch with the planetary gear set..
Wherein, the automatic gear-box control unit 13 controls the first clutch to carry out wink with the planetary gear set
When disengaging, disengage speed and can reach within 50ms, meanwhile, combined controlling the third clutch with the planetary gear set
When, 300ms or so is can reach with reference to speed, can be substantially improved the vehicle power performance of electric vehicle, and its acceleration and is climbed
The gradient also has a distinct increment.
In addition, in the embodiment of the present invention, after the first clutch and the planetary gear set disengage, the automatic change
Fast case control unit 13 controls the first clutch free movement；And
The automatic gear-box control unit 13 detects the combination torque of the third clutch and the planetary gear set
Power whether is met and has transmitted demand, if having met power transmits demand, the second clutch has been controlled to be surmounted
Free movement, the third clutch are transmitted into action edge.
Wherein, the combination torque whether met power transmit demand criterion can be according to the motor received
15 rotating speed and output torque is judged that the present embodiment example is not limited herein.
Further, based on the description to above-mentioned power-control method, Fig. 3 and Fig. 4 are please referred to, the present invention is preferably real
It applies example and a kind of power-control method for being applied to automatically control box unit is also provided, below in conjunction with Fig. 3, Fig. 4 to the power control
The specific steps and flow of method processed illustrate.
Step S20 receives the rotating speed of motor 15 and output torque information that electric machine controller 12 is sent.
Step S21 controls the second clutch and the row according to the rotating speed of the motor 15 and output torque information
Star gear set keeps connection and transmits and control the first clutch and institute into action edge under the driving of the motor 15
Planetary gear set disengagement is stated, and the third clutch and institute are controlled after the first clutch and the planetary gear set disengage
Planetary gear set is stated to combine to complete gear switch.
Step S22 after the first clutch and the planetary gear set disengage, controls the first clutch free
Movement.
Whether step S23, the combination torque for detecting the third clutch and the planetary gear set have met power
Transmission demand if having met power transmits demand, controls the second clutch surmount free movement, described in control
Third clutch is transmitted into action edge.
Wherein, above-mentioned steps S21 to step S23 has identical technical characteristic with step S14 and step S15, specifically may be used
Refering to the description of above-mentioned steps S14 and step S15, details are not described herein for the present embodiment.
In conclusion the embodiment of the present invention provides a kind of power-control method and system, wherein, the power control system 10
It realizes that the power in shift process transmits in a manner that motor 15 and two-shift automatic variable speed case 14 coordinate, can effectively improve dynamic
The overall performance of Force control system 10 reduces the power consumption and cost of motor 15.Meanwhile the present invention can also effectively extend it is electronic
The whole cruising ability of vehicle.
In the several embodiments provided in the embodiment of the present invention, it should be understood that disclosed device and method also may be used
To realize by another way.Device and method embodiment described above is only schematical, for example, in attached drawing
Flow chart and block diagram show the device of multiple embodiments according to the present invention, the possibility of method and computer program product is realized
Architectural framework, function and operation.In this regard, each box in flow chart or block diagram can represent module, a program
A part for section or code, a part for the module, program segment or code are used to implement defined patrol comprising one or more
Collect the executable instruction of function.It should also be noted that at some as the function of in the realization method replaced, being marked in box
It can be occurred with being different from the sequence marked in attached drawing.For example, two continuous boxes can essentially be held substantially in parallel
Row, they can also be performed in the opposite order sometimes, this is depended on the functions involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and/or flow chart can use function or dynamic as defined in performing
The dedicated hardware based system made is realized or can be realized with the combination of specialized hardware and computer instruction.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is independent product sale or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words
The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be
People's computer, electronic equipment or network equipment etc.) perform all or part of step of each embodiment the method for the present invention
Suddenly.And aforementioned storage medium includes：USB flash disk, read-only memory (ROM, Read-Only Memory), is deposited mobile hard disk at random
The various media that can store program code such as access to memory (RAM, Random Access Memory), magnetic disc or CD.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to the packet of nonexcludability
Contain so that process, method, article or equipment including a series of elements not only include those elements, but also including
It other elements that are not explicitly listed or further includes as elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, also there are other identical elements in article or equipment.
The foregoing is merely the alternative embodiments of the present invention, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of power-control method, which is characterized in that applied to the automatic gear-box control unit being connect with automatic gear-box,
The automatic gear-box includes planetary gear set, first clutch, second clutch and third clutch, the automatic gear-box
Input shaft connect with motor, and the planetary gear set is set to the input shaft of the automatic gear-box, first clutch
Device, second clutch and third clutch are set to the planetary gear set, the method includes：
Receive the rotating speed of motor and the output torque information that electric machine controller is sent；
The second clutch is controlled to keep connecting with the planetary gear set according to the rotating speed of the motor and output torque information
It connects and is transmitted into action edge under the driving of the motor and the first clutch is controlled to be taken off with the planetary gear set
It opens, and the third clutch and the planetary gear set knot is controlled after the first clutch and the planetary gear set disengage
It closes to complete gear switch.
2. power-control method according to claim 1, which is characterized in that the method further includes：
After the first clutch and the planetary gear set disengage, the first clutch free movement is controlled；And
Whether the combination torque for detecting the third clutch and the planetary gear set has met power transmission demand, if
Through meet power transmit demand, then the second clutch is controlled to carry out surmounting free movement, control the third clutch into
Action edge transmits.
3. a kind of power-control method, which is characterized in that applied to including electric machine controller, motor, automatic gear-box and automatic
Gear box control unit, the automatic gear-box include planetary gear set, first clutch, second clutch and third clutch
Device, the motor and the input axis connection of the automatic gear-box, and the planetary gear set is set to the automatic gear-box
Input shaft, the first clutch, second clutch and third clutch are set to the planetary gear set, the method packet
It includes：
The rotating speed and output torque information of the electric machine controller transmission motor are to the automatic gear-box control unit；
The automatic gear-box control unit controls the second clutch according to the rotating speed and output torque information of the motor
Connection is kept with the planetary gear set and transmits and control first clutch into action edge under the driving of the motor
Device is disengaged with the planetary gear set, and controls the third clutch after the first clutch and the planetary gear set disengage
Device is combined to complete gear switch with the planetary gear set.
4. power-control method according to claim 3, which is characterized in that the method further includes：
After the first clutch and the planetary gear set disengage, the automatic gear-box control unit control described first
Clutch free movement；And
Whether the combination torque of the automatic gear-box control unit detection third clutch and the planetary gear set
Demand is transmitted through meeting power, if having met power transmits demand, the second clutch is controlled to carry out surmounting free fortune
Dynamic, the third clutch is transmitted into action edge.
5. power-control method according to claim 3, which is characterized in that the power control system further includes vehicle control
Device processed, the electric machine controller send motor rotating speed and output torque information to the automatic gear-box control unit step
Before rapid, the method further includes：
The entire car controller detects gear information and is opened according to the gear information calculation of throttle aperture and according to the throttle
The rotating speed and output torque information are simultaneously sent to the electric machine controller by the rotating speed and output torque information of degree calculating motor.
6. power-control method according to claim 5, which is characterized in that the method further includes：
The electric machine controller calculates the watt level rotated for driving motor according to the rotating speed and output torque information, and
The motor is controlled to be rotated according to the watt level.
7. power-control method according to claim 5, which is characterized in that detect gear information in the entire car controller
The step of before, the method includes：
The entire car controller detection power control system is with the presence or absence of failure, when there is no failures in the power control system
When, the entire car controller performs the step of detecting gear information.
8. power-control method according to claim 7, which is characterized in that the method further includes：
When, there are during failure, being preserved in the power control system to fault message, and the fault message is shown
Show to prompt driver.
9. a kind of power control system, which is characterized in that including motor, automatic gear-box and automatic gear-box control unit, institute
It states automatic gear-box and includes planetary gear set, first clutch, second clutch and third clutch；
The motor and the input axis connection of the automatic gear-box, and the planetary gear set is set to the automatic gear-box
Input shaft, the first clutch, second clutch and third clutch are set to the planetary gear set and can be in institutes
It states under the control of automatic gear-box control unit and to be combined to realize gear switch with the planetary gear set.
10. power control system according to claim 9, which is characterized in that the first clutch and the third from
Clutch is multiplate clutch, and the second clutch is one-way clutch, and the motor is high-speed electric expreess locomotive.
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| CN201711400769.2A CN108128213B (en) | 2017-12-22 | 2017-12-22 | Power control method and system |
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| CN108128213B CN108128213B (en) | 2019-12-17 |
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