CN112918461A - Parallel hybrid electric vehicle power domain control system - Google Patents

Parallel hybrid electric vehicle power domain control system Download PDF

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Publication number
CN112918461A
CN112918461A CN202110315463.7A CN202110315463A CN112918461A CN 112918461 A CN112918461 A CN 112918461A CN 202110315463 A CN202110315463 A CN 202110315463A CN 112918461 A CN112918461 A CN 112918461A
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China
Prior art keywords
control module
hybrid electric
motor
electric vehicle
real time
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Pending
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CN202110315463.7A
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Chinese (zh)
Inventor
宋大凤
杨丽丽
梁伟智
曾小华
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Jilin University
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Jilin University
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Priority to CN202110315463.7A priority Critical patent/CN112918461A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • 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
    • 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
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • 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
    • B60W10/12—Conjoint control of vehicle sub-units of different type or different function including control of differentials
    • 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
    • B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • 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
    • B60W20/30—Control strategies involving selection of transmission gear ratio
    • 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
    • B60W2710/02—Clutches
    • B60W2710/021—Clutch engagement state
    • 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
    • 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
    • B60W2710/10—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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/24—Energy storage means
    • B60W2710/242—Energy storage means for electrical energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Abstract

The invention provides a parallel hybrid electric vehicle power domain control system which comprises an engine control module, a motor control module, a battery management module, a transmission control module and an energy management module. The hybrid controller of the parallel hybrid electric vehicle is integrated with the transmission controller, so that the number of vehicle controllers is reduced, the signal interaction real-time performance of a vehicle power control system is improved, and the communication time is shortened; corresponding economical gear shifting strategies are formulated according to different working modes of the hybrid electric vehicle, and the oil consumption of the parallel hybrid electric vehicle can be obviously reduced.

Description

Parallel hybrid electric vehicle power domain control system
Technical Field
The invention belongs to a domain control system, and particularly relates to a power domain control system of a parallel hybrid electric vehicle.
Background
The hybrid electric vehicle is an important branch in the current energy-saving vehicles, and becomes the mainstream hybrid configuration of each current large vehicle enterprise, particularly the parallel P2 configuration, because the parallel hybrid electric vehicle has the characteristics of simple structure and remarkable oil-saving effect. Along with the continuous development of hybrid electric vehicles, various performance indexes of the vehicles are continuously improved and perfected, especially, the continuous application of the intelligent networking technology on the vehicles leads to the continuous increase of the number of controllers in the parallel hybrid electric vehicles, if each controller works independently, respective control functions are realized, software, hardware and a control system in the whole vehicle are very complex, the communication efficiency is low, and meanwhile, higher generation and manufacturing cost can be generated, so that a control system is urgently needed to integrate part of controllers, and the domain control of the parallel hybrid electric vehicles is realized.
Disclosure of Invention
The invention aims to solve the technical problems that the number of the existing parallel hybrid electric vehicle controllers is large and the communication efficiency among the controllers is low, and provides a parallel hybrid electric vehicle power domain control system.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
a parallel hybrid electric vehicle power domain control system is characterized by comprising an engine control module, a motor control module, a battery management module, a transmission control module and an energy management module;
the engine control module is used for controlling the engine to output torque in real time;
the motor control module is used for controlling the motor to output torque in real time and simultaneously carrying out active synchronous control on the motor according to a control signal of the transmission control module;
the battery management module controls the output power of the battery in real time according to the control signal of the energy management module;
the transmission control module adopts economic gear shifting strategies formulated under different vehicle working modes in real time according to the control signals of the energy management module and controls the combination state of the clutch in the gear shifting process;
and the energy management module controls the working states of the engine, the motor and the battery in real time according to a rule-based or optimization-based energy management strategy and outputs the working mode of the vehicle to the transmission control module in real time.
Compared with the prior art, the invention has the beneficial effects that:
1. the parallel hybrid electric vehicle power domain control system reduces the number of parallel hybrid electric vehicle controllers, reduces the whole vehicle cost and improves the communication efficiency;
2. the parallel hybrid electric vehicle power domain control system combines the hybrid controller and the transmission controller, so that the real-time interaction of an energy management strategy and an economical gear shifting strategy is realized, and the fuel saving potential of the parallel hybrid electric vehicle can be further improved.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a system configuration diagram of a parallel hybrid vehicle according to the present invention;
fig. 2 is a structural block diagram of a parallel hybrid electric vehicle power domain control system according to the invention.
In the figure: 1-an engine; 2-a clutch; 3, power takeoff; 4-a transmission; 5, a motor; 6-a battery.
Detailed Description
The invention is described in detail below with reference to fig. 1 and 2:
referring to fig. 1, a power system of a parallel hybrid electric vehicle mainly includes an engine 1, a clutch 2, a power takeoff 3, a transmission 4 (typically, an Automatic Mechanical Transmission (AMT)), a motor 5, and a battery 6; the clutch is arranged between the engine 1 and the power take-off 3, the power take-off 3 couples the engine torque and the motor torque, then the engine torque and the motor torque are jointly output to the transmission 4, and then the transmission 4 outputs the torque to the rear axle, wherein the battery 6 can supply power for the motor 5, and the motor 5 can also charge the battery 6.
The parallel hybrid electric vehicle has four working modes, namely an engine direct-drive mode, a combined drive mode, a pure electric mode and a regenerative braking mode, when the vehicle is in the engine direct-drive mode, the motor 5 is a generator, and the battery is charged while the engine 1 drives the vehicle to run; when the vehicle is in a combined driving mode, the motor 5 is a motor, and after the engine torque is coupled with the motor torque, the engine torque and the motor torque are output together to drive the vehicle to run; when the vehicle is in a pure electric mode, the engine 1 does not work, the motor 5 is an electric motor, and the motor 5 drives the vehicle to run independently; when the vehicle is in a regenerative braking mode, the engine 1 is not operated, the electric machine 5 is a generator, and the electric machine 5 charges the battery 6.
Referring to fig. 2, a parallel hybrid electric vehicle power domain control system is characterized by comprising an engine control module, a motor control module, a battery management module, a transmission control module and an energy management module;
the engine control module is used for controlling the engine to output torque in real time;
the motor control module is used for controlling the motor to output torque in real time and simultaneously carrying out active synchronous control on the motor according to a control signal of the transmission control module;
the battery management module controls the output power of the battery in real time according to the control signal of the energy management module;
the transmission control module adopts economic gear shifting strategies formulated under different vehicle working modes in real time according to the control signals of the energy management module and controls the combination state of the clutch in the gear shifting process;
and the energy management module controls the working states of the engine, the motor and the battery in real time according to a rule-based or optimization-based energy management strategy and outputs the working mode of the vehicle to the transmission control module in real time.
The above description is only a specific embodiment of the present invention so that those skilled in the art can understand the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (1)

1. A parallel hybrid electric vehicle power domain control system is characterized by comprising an engine control module, a motor control module, a battery management module, a transmission control module and an energy management module;
the engine control module is used for controlling the engine to output torque in real time;
the motor control module is used for controlling the motor to output torque in real time and simultaneously carrying out active synchronous control on the motor according to a control signal of the transmission control module;
the battery management module controls the output power of the battery in real time according to the control signal of the energy management module;
the transmission control module adopts economic gear shifting strategies formulated under different vehicle working modes in real time according to the control signals of the energy management module and controls the combination state of the clutch in the gear shifting process;
and the energy management module controls the working states of the engine, the motor and the battery in real time according to a rule-based or optimization-based energy management strategy and outputs the working mode of the vehicle to the transmission control module in real time.
CN202110315463.7A 2021-03-24 2021-03-24 Parallel hybrid electric vehicle power domain control system Pending CN112918461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110315463.7A CN112918461A (en) 2021-03-24 2021-03-24 Parallel hybrid electric vehicle power domain control system

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Application Number Priority Date Filing Date Title
CN202110315463.7A CN112918461A (en) 2021-03-24 2021-03-24 Parallel hybrid electric vehicle power domain control system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113771834A (en) * 2021-10-25 2021-12-10 吉林大学 Power domain system of hub hydraulic hybrid commercial vehicle and control method thereof
CN113771833A (en) * 2021-10-25 2021-12-10 吉林大学 Power domain system of P4 configuration hybrid power vehicle and control method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113771834A (en) * 2021-10-25 2021-12-10 吉林大学 Power domain system of hub hydraulic hybrid commercial vehicle and control method thereof
CN113771833A (en) * 2021-10-25 2021-12-10 吉林大学 Power domain system of P4 configuration hybrid power vehicle and control method thereof
CN113771834B (en) * 2021-10-25 2022-04-29 吉林大学 Power domain system of hub hydraulic hybrid commercial vehicle and control method thereof

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