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CN103492217B - Vehicle console device - Google Patents

Vehicle console device Download PDF

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Publication number
CN103492217B
CN103492217B CN201180070102.5A CN201180070102A CN103492217B CN 103492217 B CN103492217 B CN 103492217B CN 201180070102 A CN201180070102 A CN 201180070102A CN 103492217 B CN103492217 B CN 103492217B
Authority
CN
China
Prior art keywords
braking force
unit
regenerative braking
propulsive effort
mentioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201180070102.5A
Other languages
Chinese (zh)
Other versions
CN103492217A (en
Inventor
斋藤正和
伊藤芳辉
田川雅章
大熊仁
细江幸弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Publication of CN103492217A publication Critical patent/CN103492217A/en
Application granted granted Critical
Publication of CN103492217B publication Critical patent/CN103492217B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution type
    • 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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/14—Dynamic electric regenerative braking for vehicles propelled by AC motors
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/18—Controlling the braking effect
    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • 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
    • B60W30/20—Reducing vibrations in the driveline
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • 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
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—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
    • Y02T10/62—Hybrid vehicles
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Control unit (17) possesses: the elementary object propulsive effort calculated unit (17A) calculating elementary object propulsive effort based on accelerator operation amount and the speed of a motor vehicle; The regenerative braking force calculated unit (17B) of regenerative braking force is calculated based on brake service amount; The propulsive effort limiting unit (17C) of elementary object propulsive effort is limited with the 1st rate of change (α); The regenerative braking force limiting unit (17D) of regenerative braking force is limited with the 2nd rate of change (β); And the elementary object propulsive effort limited by propulsive effort limiting unit (17C) and the regenerative braking force that limited by regenerative braking force limiting unit (17D) are added the target drive force calculated unit (17F) as the target drive force produced from electrical motor (4,5).Thus, can guarantee and the brake request of chaufeur, responsibility that driving request is corresponding, and prevent braking force, the generation of impact that the drastic change of propulsive effort causes etc.

Description

Vehicle console device
Technical field
The present invention relates to vehicle console device, particularly at vehicle console device electrical motor being produced in the elec. vehicle of propulsion source vehicle braking force with the regenerative braking force of electrical motor.
Background technology
In vehicle, as drive source, possessing the electrical motor beyond driving engine and this driving engine, having so-called motor vehicle driven by mixed power as the elec. vehicle for improving fuel efficiency.
In this motor vehicle driven by mixed power, as the control method of vehicle braking force, control as follows: add regenerative braking force to will speed up the target drive force that device operational ton and the speed of a motor vehicle preset as parameter.In this case, in order to reduce driving torque sharply to change the running caused inharmonious, usually after adding regenerative braking force to target drive force, carry out limiting thus controlling electrical motor with predetermined rate of change.
That is, as shown in Figure 5, in the control unit 117 of vehicle console device, generally possess: elementary object propulsive effort calculated unit 117A, itself and accelerator operation amount detection unit and Bus-Speed Monitoring unit are got in touch with, and have elementary object propulsive effort table M; Regenerative braking force calculated unit 117B, itself and brake service amount detection unit are got in touch with; Adder unit 117C, itself and elementary object propulsive effort calculated unit 117A and regenerative braking force calculated unit 117B get in touch with; Target drive force calculated unit 117D, itself and this adder unit 117C gets in touch with; And rate of change limit unit 117E, itself and this target drive force calculated unit 117D gets in touch with, and, elementary object propulsive effort table M according to utilizing accelerator operation amount and the speed of a motor vehicle to preset calculates elementary object propulsive effort, presence or absence according to brake request calculates regenerative braking force, after adding regenerative braking force to elementary object propulsive effort, the rate of change limit process of vehicle movement when carrying out the propulsive effort generation drastic change considering electrical motor, carries out electrical motor output.
prior art document
patent documentation
Patent documentation 1: JP 2009-106130 publication
In the elec. vehicle of patent documentation 1 and the method for controlling reproduction of elec. vehicle, the target torque of the electrical motor when vehicle for downhill path travels, at least utilize downhill path to regenerate correcting value to correct elementary object torque, control the energising of electrical motor with the Driving Torque making electrical motor produce this target torque.
Summary of the invention
the problem that invention will solve
But Fig. 6 shows the electrical motor output valve exported by the process of above-mentioned Fig. 5.In this Fig. 6, represent the target drive force obtained according to accelerator opening and brake request with solid line P, represent the electrical motor output valve limited by rate of change limit process with long and short dash line Q.In this case, when accelerator closedown (state of accelerator pedal of not entering into) rear brake opens (state of brake pedal of entering into) (A with reference to Fig. 6), can become large to the delay of brake request, in addition, when drg closes (state of brake pedal of not entering into) (B with reference to Fig. 6), can become large to the delay of driving request.
Like this, rate of change limit is carried out to final driving torque and exports, therefore when accelerator cuts out (state of accelerator pedal of not entering into), drg opens (state of brake pedal of entering into), the braking torque that electrical motor brings drg open (state of brake pedal of entering into) tight after do not increase, speed sense postpones, and chaufeur therefore can be made to feel inharmonious.In addition, when drg closes (state of brake pedal of not entering into), the braking torque that electrical motor brings does not reduce after drg closedown (state of brake pedal of not entering into) is tight, and staying slows down feels and makes chaufeur feel inharmonious, therefore wishes to improve.
Therefore, the invention provides a kind of vehicle console device, it can be guaranteed and the brake request of chaufeur, responsibility that driving request is corresponding, and the generation that can prevent the drastic change due to braking force, propulsive effort from causing impacting etc.
for the scheme of dealing with problems
The invention is characterized in, possessing driving wheel and producing in the vehicle console device of the electrical motor of regenerative braking force, be provided with accelerator operation amount detection unit, it detects accelerator operation amount, be provided with Bus-Speed Monitoring unit, it detects the speed of a motor vehicle, be provided with brake service amount detection unit, it detects brake service amount, be provided with control unit, above-mentioned control unit possesses: elementary object propulsive effort calculated unit, it calculates elementary object propulsive effort based on the accelerator operation amount detected by above-mentioned accelerator operation amount detection unit and the speed of a motor vehicle that gone out by above-mentioned Bus-Speed Monitoring unit inspection, regenerative braking force calculated unit, it calculates regenerative braking force based on the brake service amount detected by above-mentioned brake service amount detection unit, propulsive effort limiting unit, its elementary object propulsive effort calculated by above-mentioned elementary object propulsive effort calculated unit by the 1st rate of change limit, regenerative braking force limiting unit, its regenerative braking force calculated by above-mentioned regenerative braking force calculated unit by the 2nd rate of change limit, and target drive force calculated unit, it is set to by the elementary object propulsive effort limited by above-mentioned propulsive effort limiting unit with by the regenerative braking force phase Calais of above-mentioned regenerative braking force limiting unit restriction the target drive force produced from above-mentioned electrical motor, and above-mentioned 2nd rate of change sets larger than above-mentioned 1st rate of change by above-mentioned regenerative braking force limiting unit.
invention effect
Vehicle console device of the present invention can be guaranteed and the brake request of chaufeur, responsibility that driving request is corresponding, can prevent braking force, the generation of impact that the drastic change of propulsive effort causes etc.
Accompanying drawing explanation
Fig. 1 is the System's composition figure of vehicle console device.(embodiment)
Fig. 2 is the control block diagram of vehicle console device.(embodiment)
Fig. 3 is the diagram of circuit of motor control.(embodiment)
Fig. 4 is the figure that electrical motor output valve is shown.(embodiment)
Fig. 5 is the control block diagram of existing vehicle console device.(conventional example)
Fig. 6 is the figure that existing electrical motor output valve is shown.(conventional example)
Detailed description of the invention
In the present invention, confined elementary object propulsive effort and confined regenerative braking force are added as the target drive force produced from electrical motor, realize guaranteeing and the brake request of chaufeur, responsibility that driving request is corresponding, prevent braking force, the object of impact that the drastic change of propulsive effort causes etc.
embodiment
Fig. 1 ~ Fig. 4 illustrates embodiments of the invention.
In FIG, 1 is the vehicle console device of motor vehicle driven by mixed power as elec. vehicle.Vehicle console device 1 possesses: as the output shaft 3 of the driving engine 2 of the drive source of Driving Torque; As the first electrical motor 4 and the second electrical motor 5 of multiple electrical motor; By exporting the axle drive shaft 8 that transmission mechanism 7 is connected with the drive wheel 6 as wheel; And the Poewr transmission mechanism (differential gear train) 9 to connect respectively with output shaft 3, first electrical motor 4 of driving engine 2 and the second electrical motor 5 and axle drive shaft 8.First electrical motor 4, second electrical motor 5 drives the drive wheel 6 as the outgoing side of Poewr transmission mechanism 9, and produces regenerative braking force.
In the midway of the output shaft 3 of driving engine 2, possesses free-wheel clutch 10 in driving engine 2 side.This free-wheel clutch 10 for making driving engine 2 nonreversible, in addition, at EV(elec. vehicle) bear the torque reaction power of the second electrical motor 5 when travelling.
First electrical motor 4 comprises the first rotor 11 and the first stator 12.Second electrical motor 5 comprises the second rotor 13 and the second stator 14.
In addition, vehicle console device 1 possesses: the first inverter 15 the first electrical motor 4 being carried out to job control; Second electrical motor 5 is carried out to the second inverter 16 of job control; And the control unit (ECU) 17 to get in touch with the first inverter 15 and the second inverter 16.
First inverter 15 is connected with the first stator 12 of the first electrical motor 4.Second inverter 16 is connected with the second stator 14 of the second electrical motor 5.
First inverter 15 is connected with battery (driving with high-voltage battery) 18 with each terminals for power supplies of the second inverter 16.This battery 18 can carry out exchange of electric power with the first electrical motor 4 and the second electrical motor 5.That is, the first electrical motor 4 and the second electrical motor 5 are when power running (speed of being kept in balance when accelerating or go up a slope to wheel (drive wheel) by transmission of power), provide electric power by the first inverter 15 and the second inverter 16 from battery 18.On the other hand, the first electrical motor 4 and the second electrical motor 5 are charged by the first inverter 15 and the second inverter 16 pairs of batteries 18 when regenerating.
In this vehicle console device 1, the output from driving engine 2 and the first electrical motor 4, second electrical motor 5 is utilized to carry out drived control to motor vehicle driven by mixed power.
Poewr transmission mechanism 9 is power input output module of so-called 4 shaft types, be configured with output shaft 3 and the axle drive shaft 8 of driving engine 2, also be configured with the first electrical motor 4 of driving engine 2 side and the second electrical motor 5 of axle drive shaft 8 side, the power of the power of driving engine 2, the first electrical motor 4 and the power coupling of the second electrical motor 5 are outputted to axle drive shaft 8, between driving engine 2, first electrical motor 4, second electrical motor 5 and axle drive shaft 8, carries out the handing-over of power.
The first planet gear mechanism 19 that Poewr transmission mechanism 92 rotating members each other connect and the second sun and planet gear 20 are set up in parallel and form.
First planet gear mechanism 19 possesses: the first sun wheel 21, the first miniature gears 22 engaged with this first sun wheel 21, the first Ring gear 23 engaged with this first miniature gears 22, the first tooth rest 24 connected with the first miniature gears 22 and the output gear 25 connected with the first Ring gear 23.
Second sun and planet gear 20 possesses: the second sun wheel 26, the second miniature gears 27 engaged with this second sun wheel 26, the second Ring gear 28 engaged with this second miniature gears 27 and the second tooth rest 29 connected with the second miniature gears 27.
In Poewr transmission mechanism 9, the first tooth rest 24 of first planet gear mechanism 19 connects with the output shaft 3 of driving engine 2.In addition, the second tooth rest 29 of the second sun and planet gear 20 connects with the first Ring gear 23 of first planet gear mechanism 19 and output gear 25.
First sun wheel 21 is connected by the first rotor 11 of the first motor output shaft 30 with the first electrical motor 4.First tooth rest 24, second sun wheel 26 is connected with the output shaft 3 of driving engine 2.First Ring gear 23, second tooth rest 29 is connected with axle drive shaft 8 with output transmission mechanism 7 by output gear 25.Second Ring gear 28 is connected with the second rotor 13 of the second electrical motor 5 by the second motor output shaft 31.
Second electrical motor 5 directly can be connected with drive wheel 6 by the second motor output shaft 31, second Ring gear 28, second tooth rest 29, first Ring gear 23, output gear 25, output transmission mechanism 7 and axle drive shaft 8, by means of only exporting separately, vehicle is travelled.
That is, in Poewr transmission mechanism 9, first tooth rest 24 of first planet gear mechanism 19 combines with the second sun wheel 26 of the second sun and planet gear 20 and is connected with the output shaft 3 of driving engine 2, first Ring gear 23 of first planet gear mechanism 19 combines with the second tooth rest 29 of the second sun and planet gear 20 and is connected with axle drive shaft 8, first sun wheel 21 of first planet gear mechanism 19 is connected with the first electrical motor 4, second Ring gear 28 of the second sun and planet gear 20 is connected with the second electrical motor 5, at driving engine 2, first electrical motor 4, the handing-over of power is carried out between second electrical motor 5 and axle drive shaft 8.
The entering amount that will speed up device pedal is carried out the accelerator operation amount detection unit 32 detected, the Bus-Speed Monitoring unit 33 detecting the speed of a motor vehicle as accelerator operation amount and is got in touch with control unit 17 by the brake service amount detection unit 34 that the entering amount of brake pedal carries out detecting as brake service amount.
In addition, in order to control driving engine 2, air amount adjustment device 35, fuel provide mechanism 36 and ignition timing adjusting mechanism 37 to get in touch with control unit 17.
As shown in Figure 1 and Figure 2, control unit 17 possesses: the elementary object propulsive effort calculated unit 17A got in touch with accelerator operation amount detection unit 32 and Bus-Speed Monitoring unit 33; The regenerative braking force calculated unit 17B got in touch with brake service amount detection unit 34; The propulsive effort limiting unit 17C got in touch with elementary object propulsive effort calculated unit 17A; The regenerative braking force limiting unit 17D got in touch with regenerative braking force calculated unit 17B; The adder unit 17E got in touch with propulsive effort limiting unit 17C and regenerative braking force limiting unit 17D; And the target drive force calculated unit 17F to get in touch with this adder unit 17E and the first electrical motor 4, second electrical motor 5.
Elementary object propulsive effort calculated unit 17A possesses the elementary object propulsive effort that presets and maps M, calculates elementary object propulsive effort based on the accelerator operation amount detected by accelerator operation amount detection unit 32 and the speed of a motor vehicle that detected by Bus-Speed Monitoring unit 33.
Regenerative braking force calculated unit 17B calculates regenerative braking force based on the brake service amount detected by brake service amount detection unit 34.
Propulsive effort limiting unit 17C limits the elementary object propulsive effort calculated by elementary object propulsive effort calculated unit 17A with the 1st rate of change (α).
Regenerative braking force limiting unit 17D limits the regenerative braking force calculated by regenerative braking force calculated unit 17B with the 2nd rate of change (β).In this case, above-mentioned 2nd rate of change (β) is set as than the 1st rate of change (α) in propulsive effort limiting unit 17C large (α < β) by regenerative braking force limiting unit 17D.In addition, the 2nd rate of change (β) is 100%, does not in fact limit regenerative braking force.
Adder unit 17E is the limited elementary object propulsive effort of self drive limiting unit 17C and the limited regenerative braking force addition from regenerative braking force limiting unit 17D in the future.
Target drive force calculated unit 17F calculates target drive force, it can be used as output valve to send to the first electrical motor 4, second electrical motor 5.
Namely, in this embodiment, with the first electrical motor 4, the regenerative braking force that second electrical motor 5 produces supplements in the motor vehicle driven by mixed power of a part for vehicle braking force, will speed up device operational ton and the speed of a motor vehicle as parameter, map M from the elementary object propulsive effort preset and calculate elementary object propulsive effort, correspondingly regenerative braking force is increased and decreased with the brake request of chaufeur, for elementary object propulsive effort, the movement caused to suppress the drastic change of propulsive effort and limit rate of change, for regenerative braking force, the movement caused to suppress the drastic change of braking force and limit the rate of change preset, the rate of change of regenerative braking force is set as larger than the rate of change of elementary object propulsive effort, add that the regenerative braking force after being multiplied by rate of change limit is used as target drive force to being multiplied by the elementary object propulsive effort after rate of change limit, make the first electrical motor 4, second electrical motor 5 produces target drive force.
The motor control of this embodiment is described based on the diagram of circuit of Fig. 3 below.
Periodically perform the program in this Fig. 3.
As shown in Figure 3, when the program of control unit 17 starts (step 101), first map M from the elementary object propulsive effort preset and calculate elementary object propulsive effort (step 102), calculate the regenerative braking force (step 103) corresponding to the brake request of chaufeur, elementary object propulsive effort (step 104) is limited with the 1st rate of change (α), in addition, regenerative braking force (step 105) is limited with the 2nd rate of change (β), limited elementary object propulsive effort and limited regenerative braking force phase Calais are calculated target drive force (step 106), then, perform the motor control (step 107) corresponding to this target drive force, program is returned (step 108).
In the diagram of circuit of this Fig. 3, before elementary object propulsive effort and regenerative braking force are added, after carrying out the rate of change limit process conformed to the change of respective propulsive effort, elementary object propulsive effort and regenerative braking force are added and carry out electrical motor output as target drive force.
Fig. 4 illustrates the electrical motor output valve exported by the process of above-mentioned Fig. 3.
In this Fig. 4, represent the target drive force obtained by accelerator operation amount and brake request with solid line P, represent the electrical motor output valve limited by rate of change limit process with dotted line R1, R2, represent existing situation with long and short dash line Q.
As shown in Figure 4, when accelerator open (state of accelerator pedal of entering into) and drg close (state of brake pedal of not entering into) (time t1), target drive force is the 1st value G1 of regulation, then, when accelerator cuts out (time t2) when (state of accelerator pedal of not entering into) and drg close (state of brake pedal of not entering into), braking force works and target drive force is the 2nd value G2 specified, then, when accelerator cuts out (time t3) when (state of accelerator pedal of not entering into) and drg open (state of brake pedal of entering into), braking force works further and target drive force is the 3rd value G3 specified.In this case, the 2nd rate of change (β) calculating the change of the regenerative braking force on basis limited as target drive force is greater than 1st rate of change (α) (with reference to dotted line R1) that calculate the change of the basic driver power on basis of restriction as target drive force, therefore, compared with existing (long and short dash line Q), responsibility is good.
Then, again becoming accelerator closedown (state of accelerator pedal of not entering into) and drg closedown (state of brake pedal of not entering into), when target drive force returns the 2nd value G2 (time t4), the 2nd rate of change (β) calculating the change of the regenerative braking force on basis limited as target drive force is greater than 1st rate of change (α) (with reference to dotted line R2) that calculate the change of the basic driver power on basis of restriction as target drive force, compared with existing (long and short dash line Q), responsibility also improves.
Then, when return accelerator and open (state of accelerator pedal of entering into) and drg close (state of brake pedal of not entering into) time (time t5), target drive force returns the 1st value G1.
Namely, known accelerator close (state of accelerator pedal of not entering into) rear brake open (state of brake pedal of entering into) or drg open (state of brake pedal of entering into) arrive again drg closedown (state of brake pedal of not entering into) arbitrary situation under, relative to existing method, responsibility is all good.
Be explained above embodiments of the invention, the formation of above-described embodiment is applied to every claim to be described.
Consequently, in this embodiment, control unit 17 possesses: the elementary object propulsive effort calculated unit 17A calculating elementary object propulsive effort based on the accelerator operation amount detected by accelerator operation amount detection unit 32 and the speed of a motor vehicle that detected by Bus-Speed Monitoring unit 33; The regenerative braking force calculated unit 17B of regenerative braking force is calculated based on the brake service amount detected by brake service amount detection unit 34; The propulsive effort limiting unit 17C of the elementary object propulsive effort calculated by elementary object propulsive effort calculated unit 17A is limited with the 1st rate of change (α); The regenerative braking force limiting unit 17D of the regenerative braking force calculated by regenerative braking force calculated unit 17B is limited with the 2nd rate of change (β); And be added the target drive force calculated unit 17F as the target drive force produced from the first electrical motor 4, second electrical motor 5 using the elementary object propulsive effort limited by propulsive effort limiting unit 17C with by the regenerative braking force of regenerative braking force limiting unit 17D restriction.In addition, above-mentioned 2nd rate of change (β) sets larger than above-mentioned 1st rate of change (α) by above-mentioned regenerative braking force limiting unit 17D.
Thus, the responsibility corresponding to the brake request of chaufeur can be guaranteed, and the generation of the impact preventing the drastic change of braking force from causing etc.In addition, the responsibility corresponding to the driving request of chaufeur can be guaranteed, and prevent the generation of the impact caused by the drastic change of propulsive effort etc.
In addition, can when accelerator close rear brake open, eliminate slow down sense postpone occur inharmonious.In addition, can when drg to be closed, it is inharmonious that the residual sense of slowing down of elimination brings.
industrial utilizability
Vehicle console device of the present invention is not limited to motor vehicle driven by mixed power, also can be applied to other elec. vehicles such as electronlmobil.
description of reference numerals
1 vehicle console device
2 driving engines
4 first electrical motors
5 second electrical motors
6 drive wheels (wheel)
8 axle drive shafts
9 Poewr transmission mechanisms
15 first inverters
16 second inverter 17 control units
17A elementary object propulsive effort calculated unit
17B regenerative braking force calculated unit
17C propulsive effort limiting unit
17D regenerative braking force limiting unit
17E adder unit
17F target drive force calculated unit
32 accelerator operation amount detection units
33 Bus-Speed Monitoring unit
34 brake service amount detection units

Claims (1)

1. a vehicle console device, possesses and drives wheel and the electrical motor producing regenerative braking force, it is characterized in that,
Be provided with accelerator operation amount detection unit, it detects accelerator operation amount,
Be provided with Bus-Speed Monitoring unit, it detects the speed of a motor vehicle,
Be provided with brake service amount detection unit, it detects brake service amount,
Be provided with control unit, above-mentioned control unit possesses:
Elementary object propulsive effort calculated unit, it calculates elementary object propulsive effort based on the accelerator operation amount detected by above-mentioned accelerator operation amount detection unit and the speed of a motor vehicle that gone out by above-mentioned Bus-Speed Monitoring unit inspection;
Regenerative braking force calculated unit, it calculates regenerative braking force based on the brake service amount detected by above-mentioned brake service amount detection unit;
Propulsive effort limiting unit, its elementary object propulsive effort calculated by above-mentioned elementary object propulsive effort calculated unit by the 1st rate of change limit;
Regenerative braking force limiting unit, its regenerative braking force calculated by above-mentioned regenerative braking force calculated unit by the 2nd rate of change limit; And
Target drive force calculated unit, it is set to by the elementary object propulsive effort limited by above-mentioned propulsive effort limiting unit with by the regenerative braking force phase Calais of above-mentioned regenerative braking force limiting unit restriction the target drive force produced from above-mentioned electrical motor,
Above-mentioned 2nd rate of change sets larger than above-mentioned 1st rate of change by above-mentioned regenerative braking force limiting unit.
CN201180070102.5A 2011-02-15 2011-02-15 Vehicle console device Expired - Fee Related CN103492217B (en)

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