CN104627171A - Hybrid power automobile electronic control method - Google Patents

Hybrid power automobile electronic control method Download PDF

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Publication number
CN104627171A
CN104627171A CN201410759385.XA CN201410759385A CN104627171A CN 104627171 A CN104627171 A CN 104627171A CN 201410759385 A CN201410759385 A CN 201410759385A CN 104627171 A CN104627171 A CN 104627171A
Authority
CN
China
Prior art keywords
circuit
hybrid vehicle
state
driving
drive motor
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.)
Pending
Application number
CN201410759385.XA
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Chinese (zh)
Inventor
张学义
马清芝
杜钦君
史立伟
刘从臻
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Shandong University of Technology
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Shandong University of Technology
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 Shandong University of Technology filed Critical Shandong University of Technology
Priority to CN201410759385.XA priority Critical patent/CN104627171A/en
Publication of CN104627171A publication Critical patent/CN104627171A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • 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
    • 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
    • Y02T10/72—Electric energy management 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention provides a hybrid power automobile electronic control method, and belongs to the technical field of the automobile control. A driving circuit, a driving power generating conversion circuit and an engine ECU are controlled by a main control circuit in a coordinated mode so that a hybrid power automobile can work in different states. The working states of the hybrid power automobile comprise: a start-up state, an accelerating state, a cruising and driving state and a braking-energy recycling power generating state. Further detailing is carried out on working modes during the cruising and driving state, so that the power performance and the fuel economical efficiency of the hybrid power automobile under an actual working condition are closer to the performance in an optimal state. Accordingly, the power performance and the fuel economical efficiency of hybrid power automobile are improved. In addition, a braking-energy recycling function is achieved, so that the cruising mileage is remarkably improved.

Description

Hybrid vehicle electric-control method
Technical field
The invention provides a kind of hybrid vehicle electric-control method, belong to Control of Electric Vehicles technical field.
Background technology
Hybrid vehicle electric-control method is the gordian technique determining hybrid electric vehicle power and fuel economy, has vital function for raising vehicle performance, reduction productive costs.Current hybrid vehicle electric-control method great majority carry out car load moment of torsion according to the mode of operation of vehicle to export control, but car load mode of operation divides detailed not, best control method can not be selected according to the operating condition of hybrid vehicle reality, and some does not possess braking energy recovering function, thus performance gap when making the dynamic property of hybrid vehicle under actual condition, fuel consumption and emission and optimum regime is comparatively large, its in-use performance needs further improvement.
Summary of the invention
The object of this invention is to provide one and can overcome above-mentioned defect, car load mode of operation divides specifically, have braking energy recovering function, the hybrid vehicle electric-control method that the power performance and the economy performance of hybrid vehicle significantly promotes, its technology contents is:
Hybrid vehicle electric-control method, governor circuit cooperation control driving circuit, driving generating change-over circuit and Engine ECU, hybrid vehicle is worked under different conditions, it is characterized in that: the mode of operation of hybrid vehicle is divided into: starting state, acceleration mode, cruising condition and Brake energy recovery generating state;
Hybrid vehicle is when the state of starting, pure power mode is adopted to drive, governor circuit receives the starting signal sent from chaufeur, governor circuit is automatically closed and is driven generating change-over circuit, and driving generating change-over circuit and mu balanced circuit are protected, governor circuit confirms the voltage of the required storage battery of starting, calculate the impulse singla needed for starting simultaneously, then driving circuit is sent to, drive pulse signal is carried out power gain and is transported to inverter circuit by driving circuit, inverter circuit controls current switching and the direct current (DC) of storage battery is converted to three plase alternating current to flow to drive motor, thus hybrid electric vehicle start is run,
Hybrid vehicle is when giving it the gun, governor circuit receives the Acceleration Signal that sends from chaufeur and detects the power signal of drive motor, when the effect horse power of drive motor does not reach 80% of rating horsepower, now governor circuit calculates according to Acceleration Signal the acceleration pulse signal that drive motor should provide, through overdrive circuit, inverter circuit sends drive motor to, hybrid vehicle adopts pure electric drive mode Accelerating running, when the power detecting drive motor reaches more than 80% of rating horsepower, governor circuit receives the Acceleration Signal sent from chaufeur, calculate the oil spout ignition signal during running of driving engine peak efficiency, governor circuit sends Engine ECU to oil spout ignition signal, engine ECU controls engine operates with peak efficiency, simultaneously governor circuit calculates according to Acceleration Signal the acceleration pulse signal that the drive motor meeting acceleration request also needs should provide power, governor circuit sends driving circuit to acceleration pulse signal, driving circuit will speed up impulse singla to carry out power gain and is input to inverter circuit, inverter circuit controls current switching and the direct current (DC) of storage battery is converted to three plase alternating current to flow to drive motor, at this moment hybrid vehicle adopts the hybrid mode Accelerating running that driving engine and drive motor work simultaneously,
Hybrid vehicle is when cruising traveling, first governor circuit receives vehicle speed signal and confirms the speed of a motor vehicle, first state, when the speed of a motor vehicle is less than 80km/h, detect storage battery charge state SOC value and be greater than 80%, hybrid vehicle adopts pure electric drive mode to run, second state, detect storage battery charge state SOC value and be less than 80%, the hybrid mode that hybrid vehicle adopts driving engine and drive motor to work simultaneously is cruised traveling, the third state, detects storage battery charge state SOC value and is less than 30%, and hybrid vehicle adopts engine drive mode to cruise traveling;
Hybrid vehicle is when Brake energy recovery generating state; governor circuit receives speed-slackening signal; send to Engine ECU and stop oil spout ignition signal; close driving circuit, and driving circuit and inverter circuit are protected, send brake pulse signal to driving generating change-over circuit simultaneously; drive motor is made to be converted to generator operation; the electric energy that electrical generator exports, after mu balanced circuit is stable, is stored in storage battery, reaches the object of hybrid vehicle Brake energy recovery generating.
The present invention compared with prior art, hybrid vehicle electric-control method the mode of operation of hybrid vehicle is divided into starting state, acceleration mode, cruising condition and and Brake energy recovery generating state, and further refinement has been carried out to the mode of operation cruised when travelling, make the power performance and the economy performance of hybrid vehicle under actual condition more close to performance during optimum regime, thus improve the power performance and the economy performance of hybrid vehicle, and possess braking energy recovering function, significantly improve course continuation mileage.
Accompanying drawing explanation
Fig. 1 is the electric-control method diagram of circuit of the embodiment of the present invention.
In figure: 1, governor circuit 2, driving circuit 3, inverter circuit 4, Engine ECU 5, driving engine 6, hybrid vehicle 7, driving generating change-over circuit 8, drive motor 9, mu balanced circuit 10, storage battery.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Hybrid vehicle electric-control method, governor circuit 1 cooperation control driving circuit 2, driving generating change-over circuit 7 and Engine ECU 4, hybrid vehicle is worked under different conditions, it is characterized in that: the mode of operation of hybrid vehicle 6 is divided into: starting state, acceleration mode, cruising condition and Brake energy recovery generating state;
Hybrid vehicle 6 is when the state of starting, pure power mode is adopted to drive, governor circuit 1 receives the starting signal sent from chaufeur, governor circuit 1 is automatically closed and is driven generating change-over circuit 7, and driving generating change-over circuit 7 and mu balanced circuit 9 are protected, governor circuit 1 confirms the voltage of the required storage battery 10 of starting, calculate the impulse singla needed for starting simultaneously, then driving circuit 2 is sent to, drive pulse signal is carried out power gain and is transported to inverter circuit 3 by driving circuit 2, inverter circuit 3 controls current switching and the direct current (DC) of storage battery 10 is converted to three plase alternating current to flow to drive motor 8, thus make hybrid vehicle 6 driveaway operation,
Hybrid vehicle 6 is when giving it the gun, governor circuit 1 receives the Acceleration Signal that sends from chaufeur and detects the power signal of drive motor 8, when the effect horse power of drive motor 8 does not reach 80% of rating horsepower, now governor circuit 1 calculates according to Acceleration Signal the acceleration pulse signal that drive motor 8 should provide, through overdrive circuit 2, inverter circuit 3 sends drive motor 8 to, hybrid vehicle 6 adopts pure electric drive mode Accelerating running, when the power detecting drive motor 8 reaches more than 80% of rating horsepower, governor circuit 1 receives the Acceleration Signal sent from chaufeur, calculate the oil spout ignition signal during running of driving engine 5 peak efficiency, governor circuit 1 sends Engine ECU 4 to oil spout ignition signal, Engine ECU 4 controls driving engine 5 and operates with peak efficiency, simultaneously governor circuit 1 calculates according to Acceleration Signal the acceleration pulse signal that the drive motor 8 meeting acceleration request also needs should provide power, governor circuit 1 sends driving circuit 2 to acceleration pulse signal, driving circuit 2 will speed up impulse singla to carry out power gain and is input to inverter circuit 3, inverter circuit 3 controls current switching and the direct current (DC) of storage battery is converted to three plase alternating current to flow to drive motor 8, at this moment hybrid vehicle 6 adopts the hybrid mode Accelerating running that driving engine 5 and drive motor 8 work simultaneously,
Hybrid vehicle 6 is when cruising traveling, first governor circuit 1 receives vehicle speed signal and confirms the speed of a motor vehicle, first state, when the speed of a motor vehicle is less than 80km/h, detect storage battery 10 state-of-charge SOC value and be greater than 80%, hybrid vehicle 6 adopts pure electric drive mode to run, second state, detect storage battery 10 state-of-charge SOC value and be less than 80%, the hybrid mode that hybrid vehicle 6 adopts driving engine 5 and drive motor 8 to work simultaneously is cruised traveling, the third state, detect storage battery 10 state-of-charge SOC value and be less than 30%, hybrid vehicle 6 adopts engine drive mode to cruise traveling,
Hybrid vehicle 6 is when Brake energy recovery generating state; governor circuit 1 receives speed-slackening signal; send to Engine ECU 4 and stop oil spout ignition signal; close driving circuit 2; and driving circuit 2 and inverter circuit 3 are protected; send brake pulse signal to driving generating change-over circuit 7 simultaneously; drive motor 8 is made to be converted to generator operation; the electric energy that electrical generator exports is after mu balanced circuit 9 is stable; be stored in storage battery 10, reach the object of hybrid vehicle 6 Brake energy recovery generating.

Claims (1)

1. a hybrid vehicle electric-control method, governor circuit (1) cooperation control driving circuit (2), driving generating change-over circuit (7) and Engine ECU (4), hybrid vehicle is worked under different conditions, it is characterized in that: the mode of operation of hybrid vehicle (6) is divided into: starting state, acceleration mode, cruising condition and Brake energy recovery generating state;
Hybrid vehicle (6) is when the state of starting, pure power mode is adopted to drive, governor circuit (1) receives the starting signal sent from chaufeur, governor circuit (1) is automatically closed and is driven generating change-over circuit (7), and driving generating change-over circuit (7) and mu balanced circuit (9) are protected, governor circuit (1) confirms the voltage of the required storage battery (10) of starting, calculate the impulse singla needed for starting simultaneously, then driving circuit (2) is sent to, drive pulse signal is carried out power gain and is transported to inverter circuit (3) by driving circuit (2), inverter circuit (3) controls current switching and the direct current (DC) of storage battery (10) is converted to three plase alternating current to flow to drive motor (8), thus make hybrid vehicle (6) driveaway operation,
Hybrid vehicle (6) is when giving it the gun, governor circuit (1) receives the Acceleration Signal that sends from chaufeur and detects the power signal of drive motor (8), when the effect horse power of drive motor (8) does not reach 80% of rating horsepower, now governor circuit (1) calculates according to Acceleration Signal the acceleration pulse signal that drive motor (8) should provide, through overdrive circuit (2), inverter circuit (3) sends drive motor (8) to, hybrid vehicle (6) adopts pure electric drive mode Accelerating running, when the power detecting drive motor (8) reaches more than 80% of rating horsepower, governor circuit (1) receives the Acceleration Signal sent from chaufeur, calculate the oil spout ignition signal during running of driving engine (5) peak efficiency, governor circuit (1) sends Engine ECU (4) to oil spout ignition signal, Engine ECU (4) controls driving engine (5) and operates with peak efficiency, simultaneously governor circuit (1) calculates according to Acceleration Signal the acceleration pulse signal that the drive motor (8) meeting acceleration request also needs should provide power, governor circuit (1) sends driving circuit (2) to acceleration pulse signal, driving circuit (2) will speed up impulse singla to carry out power gain and is input to inverter circuit (3), inverter circuit (3) controls current switching and the direct current (DC) of storage battery is converted to three plase alternating current to flow to drive motor (8), at this moment hybrid vehicle (6) adopts the hybrid mode Accelerating running that driving engine (5) and drive motor (8) work simultaneously,
Hybrid vehicle (6) is when cruising traveling, governor circuit (1) first receives vehicle speed signal and confirms the speed of a motor vehicle, first state, when the speed of a motor vehicle is less than 80km/h, detect storage battery (10) state-of-charge SOC value and be greater than 80%, hybrid vehicle (6) adopts pure electric drive mode to run, second state, detect storage battery (10) state-of-charge SOC value and be less than 80%, hybrid vehicle (6) adopts driving engine (5) and the hybrid mode that simultaneously works of drive motor (8) to cruise traveling, the third state, detect storage battery (10) state-of-charge SOC value and be less than 30%, hybrid vehicle (6) adopts engine drive mode to cruise traveling,
Hybrid vehicle (6) is when Brake energy recovery generating state, governor circuit (1) receives speed-slackening signal, send to Engine ECU (4) and stop oil spout ignition signal, close driving circuit (2), and driving circuit (2) and inverter circuit (3) are protected, send brake pulse signal to driving generating change-over circuit (7) simultaneously, drive motor (8) is made to be converted to generator operation, the electric energy that electrical generator exports is after mu balanced circuit (9) is stable, be stored in storage battery (10), reach the object of hybrid vehicle (6) Brake energy recovery generating.
CN201410759385.XA 2014-12-12 2014-12-12 Hybrid power automobile electronic control method Pending CN104627171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018177359A1 (en) * 2017-03-31 2018-10-04 比亚迪股份有限公司 Hybrid electric vehicle and power system thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1809486A (en) * 2003-06-23 2006-07-26 丰田自动车株式会社 Hybrid vehicle and method of controlling the same
CN101428610A (en) * 2008-12-04 2009-05-13 奇瑞汽车股份有限公司 Hybrid power automobile power assembly control method
CN101633309A (en) * 2009-09-01 2010-01-27 东南大学 Series hybrid electric vehicle (SHEV) driving device and control method
CN102431463A (en) * 2011-11-25 2012-05-02 中国南方航空工业(集团)有限公司 Vehicular roadhaul increasing device
US20120161715A1 (en) * 2010-12-22 2012-06-28 Jong-Doo Park Cell balancing circuit, method of driving the same, and battery management system that includes the cell balancing circuit
JP2014108641A (en) * 2012-11-30 2014-06-12 Mazda Motor Corp Control apparatus for hybrid vehicle
CN103991374A (en) * 2014-05-08 2014-08-20 江苏大学 Hybrid power vehicle system based on dual-rotor motor power coupler and control switching method of hybrid power vehicle system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1809486A (en) * 2003-06-23 2006-07-26 丰田自动车株式会社 Hybrid vehicle and method of controlling the same
CN101428610A (en) * 2008-12-04 2009-05-13 奇瑞汽车股份有限公司 Hybrid power automobile power assembly control method
CN101633309A (en) * 2009-09-01 2010-01-27 东南大学 Series hybrid electric vehicle (SHEV) driving device and control method
US20120161715A1 (en) * 2010-12-22 2012-06-28 Jong-Doo Park Cell balancing circuit, method of driving the same, and battery management system that includes the cell balancing circuit
CN102431463A (en) * 2011-11-25 2012-05-02 中国南方航空工业(集团)有限公司 Vehicular roadhaul increasing device
JP2014108641A (en) * 2012-11-30 2014-06-12 Mazda Motor Corp Control apparatus for hybrid vehicle
CN103991374A (en) * 2014-05-08 2014-08-20 江苏大学 Hybrid power vehicle system based on dual-rotor motor power coupler and control switching method of hybrid power vehicle system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018177359A1 (en) * 2017-03-31 2018-10-04 比亚迪股份有限公司 Hybrid electric vehicle and power system thereof
CN108656966A (en) * 2017-03-31 2018-10-16 比亚迪股份有限公司 Hybrid vehicle and its dynamical system
CN108656966B (en) * 2017-03-31 2024-03-05 比亚迪股份有限公司 Hybrid electric vehicle and power system thereof

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