CN114161992A - Power drive control method, device, vehicle and readable storage medium - Google Patents
Power drive control method, device, vehicle and readable storage medium Download PDFInfo
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- CN114161992A CN114161992A CN202111640674.4A CN202111640674A CN114161992A CN 114161992 A CN114161992 A CN 114161992A CN 202111640674 A CN202111640674 A CN 202111640674A CN 114161992 A CN114161992 A CN 114161992A
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
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- 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
- B60L2240/54—Drive Train control parameters related to batteries
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- 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
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a power drive control method, a power drive control device, a vehicle and a readable storage medium, which relate to the technical field of vehicle power control and comprise the steps of monitoring first power output by an energy type battery; judging whether the first power meets the target required power; when the first power meets the target required power, the first power is supplied to the second driving motor, so that the second driving motor provides driving for the current vehicle; when the first power does not meet the target required power, the power type battery is controlled to output second power, the first power is provided for the second driving motor, and the second power is provided for the first driving motor to provide electric energy, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle, and the technical problem that the current vehicle cannot meet both the acceleration performance and the cruising performance is solved.
Description
Technical Field
The invention relates to the technical field of vehicle power control, in particular to a power driving control method, a power driving control device, a vehicle and a readable storage medium.
Background
With the development of vehicle technology, the requirements for the performance of vehicle batteries are increasing. The electric vehicle has to satisfy both the acceleration characteristic and the endurance characteristic, and also has to save cost. There is currently no battery that addresses the above needs simultaneously.
Disclosure of Invention
The invention aims to provide a power drive control method, a power drive control device, a vehicle and a readable storage medium, so as to relieve the technical problem that the current vehicle cannot meet the acceleration performance and the cruising performance at the same time.
In a first aspect, an embodiment of the present invention provides a power drive control method, a vehicle power system including a power-type battery and an energy-type battery, the vehicle power system including a first drive motor and a second drive motor, the method including:
monitoring a first power output by the energy type battery;
judging whether the first power meets a target required power;
when the first power meets the target required power, providing the first power to the second driving motor so that the second driving motor provides driving for the current vehicle;
when the first power does not meet the target required power, the power type battery is controlled to output second power, the first power is provided for the second driving motor, and the second power is provided for the first driving motor to provide electric energy, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where before the step of determining whether the first power meets the target required power, the method further includes:
monitoring a throttle signal of the current vehicle in real time;
and determining the target required power according to the strength information of the throttle signal.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where before the step of determining whether the first power meets the target required power, the method further includes:
determining a vehicle state of the current vehicle according to a throttle signal and vehicle data, wherein the vehicle state comprises a rapid acceleration state;
and if the current vehicle is in the rapid acceleration state, executing a step of judging whether the first power meets the target required power.
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the vehicle state further includes a rapid deceleration state, and the method further includes:
and if the current vehicle is in the rapid deceleration state, executing a step of judging whether the first power meets the target required power, and controlling the power type battery and/or the energy type battery to reversely recover electric energy.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the method further includes:
and if the ambient temperature of the current vehicle is lower than the temperature threshold, executing a step of judging whether the first power meets the target required power.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the method further includes:
respectively monitoring the states of the power type battery and the energy type battery in real time;
if the energy type battery has a fault, providing electric energy for the first driving motor through the second power so as to drive the first driving motor to drive the current vehicle;
and if the power type battery has a fault, providing electric energy for the second driving motor through the first power so as to drive the second driving motor to drive the current vehicle.
With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the energy type battery is further used for supplying electric energy to a vehicle electric load, and the method further includes: and if the energy type battery has a fault, controlling the power type battery to supply electric energy to the electric load for the vehicle.
In a second aspect, an embodiment of the present invention further provides a power drive control apparatus, a vehicle power system including a power-type battery and an energy-type battery, the vehicle drive system including a first drive motor and a second drive motor, the apparatus including:
the monitoring module is used for monitoring first power output by the energy type battery;
the judging module is used for judging whether the first power meets the target required power;
the first driving module is used for providing the first power to the second driving motor when the first power meets the target required power so as to enable the second driving motor to provide driving for the current vehicle;
and the second driving module is used for controlling the power type battery to output second power, providing the first power to the second driving motor and providing the second power to the first driving motor to provide electric energy when the first power does not meet the target required power, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
In a third aspect, embodiments provide a vehicle comprising a vehicle body, a memory, and a processor, wherein the memory stores a computer program operable on the processor, and the processor implements the steps of the method of any of the foregoing embodiments when executing the computer program.
In a fourth aspect, embodiments provide a machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to carry out the steps of the method of any preceding embodiment.
The embodiment of the invention provides a power drive control method, a power drive control device, a vehicle and a readable storage medium, wherein through the combined application of an energy type battery and a power type battery, the energy type battery with stronger cruising performance and lower cost is mainly responsible for supplying power for driving the vehicle, if the output power of the energy type battery cannot meet the target power requirement, a driving motor connected with the power type battery is started, the power type battery also provides output power for driving the vehicle, and the vehicle is driven by two driving motors connected with the two batteries together, so that the cruising performance is ensured, and the performance requirement of vehicle acceleration is realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a power driving control method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an application of a power drive control according to an embodiment of the present invention;
fig. 3 is a functional block diagram of a power driving control device according to an embodiment of the present invention;
fig. 4 is a schematic hardware architecture diagram of an electronic device in a vehicle according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The battery of the current electric vehicle cannot guarantee the simultaneous satisfaction of acceleration performance and endurance performance, and is not beneficial to the practical application of the vehicle.
Based on this, the power drive control method, the power drive control device, the vehicle and the readable storage medium provided by the embodiment of the invention can realize acceleration performance under the condition of ensuring the cruising characteristic by introducing the power type battery when the energy type battery cannot meet the power requirement.
To facilitate understanding of the present embodiment, a power drive control method disclosed in an embodiment of the present invention will be described in detail, and may be applied to a vehicle controller for controlling a vehicle power system including a power-type battery and an energy-type battery and a vehicle drive system including a first drive motor and a second drive motor.
Fig. 1 is a flowchart of a power driving control method according to an embodiment of the present invention.
Referring to fig. 1, the method includes the steps of:
step S102, monitoring a first power output by the energy type battery.
The energy type battery has high capacity, low unit price and good cruising performance, and the power type battery has relatively low capacity and high unit price, but can realize power output in a short time.
And step S104, judging whether the first power meets the target required power.
Illustratively, the first power output by the energy type battery can be monitored and obtained according to the steps, and compared with the target required power, if the first power is smaller than the target required power and the difference value between the first power and the target required power exceeds a power threshold, the first power is considered not to meet the target required power; otherwise, the first power is considered to meet the target required power.
And step S106, when the first power meets the target required power, providing the first power for the second driving motor so that the second driving motor provides driving for the current vehicle.
If the output power of the current energy type battery can meet the requirement, the energy type battery supplies power to the driving motor, and then the driving motor drives the current vehicle.
It should be noted that the driving motor may include a front driving motor or a rear driving motor.
And S108, when the first power does not meet the target required power, controlling the power type battery to output second power, supplying the first power to the second driving motor, and supplying the second power to the first driving motor to supply electric energy, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
For example, if the output power of the single-energy battery cannot meet the demand, a power battery may be introduced, in which case the first and second driving motors jointly power the vehicle.
In a preferred embodiment of practical application, through the combined application of the energy type battery and the power type battery, the energy type battery with strong cruising performance and low cost is mainly responsible for supplying power for driving the vehicle, if the output power of the energy type battery cannot meet the target power requirement, the driving motor connected with the power type battery is started, at the moment, the power type battery also provides output power for driving the vehicle, and the vehicle is driven by the two driving motors connected with the two batteries together, so that the cruising performance is ensured, and the performance requirement of vehicle acceleration is met.
In some embodiments, the target required power may be changed according to the actual driving scene of the vehicle, and before step S104, the method further includes:
and 1.1) monitoring the throttle signal of the current vehicle in real time.
The accelerator signal can be monitored by acquiring a signal of a pedal treaded by a user, the strength of the accelerator signal can be represented by acquiring the strength of the pedal treaded by the user, and if the strength is larger, the signal is stronger.
And step 1.2), determining target required power according to the strength information of the throttle signal.
For example, if the force of the pedal is larger, the current acceleration intention of the user is larger, that is, the target required power is larger.
In some embodiments, the power driving mode can be further changed in combination with the vehicle state, and after step 1.2), the method further includes:
and step 1.3), determining the vehicle state of the current vehicle according to the throttle signal and the vehicle data.
The vehicle state comprises a rapid acceleration state, and the vehicle data comprises vehicle speed information.
And 1.4) if the current vehicle is in a rapid acceleration state, executing a step of judging whether the first power meets the target required power.
Exemplarily, if the current state is in a rapid acceleration state, that is, the increase of the power needs to be rapidly realized, the step of determining whether the current power can meet the requirement may be performed, so as to realize the current rapid acceleration scenario and ensure the user experience.
In some embodiments, the vehicle state further includes a rapid deceleration state, and in the rapid deceleration scenario, the method further includes:
and 1.5) if the current vehicle is in a rapid deceleration state, executing a step of judging whether the first power meets the target required power, and controlling the power type battery and/or the energy type battery to reversely recycle electric energy.
It should be noted that, if the vehicle is in a rapid deceleration scene, such as an emergency stop, the wheels may generate a reverse potential energy with the ground, and the potential energy is recovered by the currently operating battery through the driving motor.
In some embodiments, to satisfy more application scenarios, the method further includes:
and 2.1) if the current environment temperature of the vehicle is lower than the temperature threshold, executing a step of judging whether the first power meets the target required power.
It can be understood that, in practical applications, if the temperature of the environment in which the vehicle runs is low, the output power of the battery may be lower than the ideal output power, so as to cause a situation that the target requirement cannot be met in the current cold environment. Therefore, on the basis of the embodiment, the strategy of detecting the ambient temperature and further triggering the power drive control can be added, so that the vehicle can achieve the performance of cruising and short-time acceleration in various complex scenes.
In some embodiments, to ensure safety of vehicle driving, the method further comprises:
and 3.1) respectively monitoring the states of the power type battery and the energy type battery in real time.
The corresponding parameters of the battery can be monitored according to the preset safety level of the battery safety management strategy and the corresponding priority level, for example, the voltage and the temperature of the battery can be monitored to identify the battery state.
And 3.2) if the energy type battery has a fault, providing electric energy for the first driving motor through the second power so that the first driving motor can provide driving for the current vehicle.
If the energy type battery fails, the second driving motor connected with the energy type battery stops working, and the first driving motor connected with the power type battery is started to provide power for the vehicle.
And 3.3) if the power type battery has a fault, providing electric energy for the second driving motor through the first power so as to enable the second driving motor to provide driving for the current vehicle.
If the battery is short of electricity, the battery and the motor may be switched according to the above steps.
In some embodiments, the energy-type battery is further used to provide electrical energy to a vehicle electrical load, the method further comprising: and if the energy type battery has a fault, controlling the power type battery to supply the electric energy to the electric load for the vehicle.
For more clarity, as an alternative embodiment, as shown in fig. 2, a first driving Motor connected to the Bat2 energy type battery is a Rear driving Motor (RMC), and a second driving Motor connected to the Bat1 power type battery is a Front driving Motor (FMC), for example, in practical application, the first driving Motor connected to the Bat2 energy type battery may also be a Front driving Motor, and the second driving Motor connected to the Bat1 energy type battery may also be a Rear driving Motor, and fig. 2 is only an exemplary embodiment, and is not limited thereto. The front drive motor is mainly used for increasing the driving capability under the condition of rapid acceleration, and the rear drive motor is used for driving and outputting normal uniform speed running.
The battery pack comprises a Bat1 power type battery and a Bat2 energy type battery, the Bat1 power type battery is connected with the front drive motor and used for supplying power to the front drive motor, and the front wheels of the vehicle are driven under the condition that the front drive motor works; the Bat2 energy type battery is connected with other electric loads and a rear-drive motor through the PDU high-voltage distribution box respectively, supplies power for the rear-drive motor and other electric loads, and drives the rear wheel of a vehicle under the condition that the rear-drive motor works. The other electrical loads include a dc conversion module, an On Board Charger (OBC), an air conditioner, a heater, and the like.
As shown in fig. 2, in the practical application process, under the condition that the output power of the energy-type battery can meet the target requirement, the energy-type battery provides electric energy for other electric loads and a rear-drive motor, and the rear-drive motor operates to drive the rear wheels to provide power for the vehicle to run.
If the current vehicle is in a low-temperature environment or in a scene of rapid acceleration running and the like, the output power of the energy type battery cannot meet the target requirement, the precursor motor is controlled to work, the power type battery supplies power to the precursor motor at the moment, so that the precursor motor drives the front wheels, and the vehicle is driven by four wheels to run at the same time. If the energy type battery of the current vehicle fails, the power type battery can supply power for the front driving motor, and the vehicle is changed from the original rear wheel driving to the front wheel driving, or if the energy type battery of the current vehicle fails, the switches K1 and K2 shown in FIG. 2 can be controlled to be closed, so that the power type battery can supply power for the rear driving motor. Furthermore, when the energy type battery of the current vehicle fails, the power type battery is also used to supply power to other electric loads.
It should be noted that the choice of front wheel drive or rear wheel drive for the vehicle may depend on the actual vehicle application. For example, if the energy-type battery fails during a process that requires more power, such as when the current vehicle is in a reverse mode, the vehicle may tend to cause the power-type battery to still supply power to the rear-drive motor, so as to ensure the working state of the rear-drive motor; for another example, if the energy-type battery fails during a process that requires more operability, such as when the vehicle is on an uphill slope, the vehicle may tend to have the power-type battery power the front-drive motor, stop the operation of the rear-drive motor, and switch to driving with the front-drive motor.
The embodiment of the invention can control the double motors to be matched with the whole vehicle to drive the whole vehicle according to the actual working condition, namely, different types of batteries are adopted according to the actual working condition to be matched with different types of motors, so that the requirements of the different motors and the characteristics of the different batteries are fully utilized, the power performance of the whole vehicle is stronger, and the battery cost can be reduced.
In some embodiments, as shown in fig. 3, an embodiment of the present invention provides a power drive control apparatus, a vehicle power system including a power-type battery and an energy-type battery, the vehicle power system including a first drive motor and a second drive motor, the apparatus including:
the monitoring module is used for monitoring first power output by the energy type battery;
the judging module is used for judging whether the first power meets the target required power;
the first driving module is used for providing the first power to the second driving motor when the first power meets the target required power so as to enable the second driving motor to provide driving for the current vehicle;
and the second driving module is used for controlling the power type battery to output second power, providing the first power to the second driving motor and providing the second power to the first driving motor to provide electric energy when the first power does not meet the target required power, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
In this embodiment, the electronic device may be, but is not limited to, a Personal Computer (PC), a notebook Computer, a monitoring device, a server, and other Computer devices with analysis and processing capabilities.
As an exemplary embodiment, referring to fig. 4, the electronic device 110 includes a communication interface 111, a processor 112, a memory 113, and a bus 114, wherein the processor 112, the communication interface 111, and the memory 113 are connected by the bus 114; the memory 113 is used for storing computer programs that support the processor 112 to execute the above-mentioned methods, and the processor 112 is configured to execute the programs stored in the memory 113.
A machine-readable storage medium as referred to herein may be any electronic, magnetic, optical, or other physical storage device that can contain or store information such as executable instructions, data, and the like. For example, the machine-readable storage medium may be: a RAM (random Access Memory), a volatile Memory, a non-volatile Memory, a flash Memory, a storage drive (e.g., a hard drive), any type of storage disk (e.g., an optical disk, a dvd, etc.), or similar storage medium, or a combination thereof.
The non-volatile medium may be non-volatile memory, flash memory, a storage drive (e.g., a hard drive), any type of storage disk (e.g., an optical disk, dvd, etc.), or similar non-volatile storage medium, or a combination thereof.
It can be understood that, for the specific operation method of each functional module in this embodiment, reference may be made to the detailed description of the corresponding step in the foregoing method embodiment, and no repeated description is provided herein.
The computer-readable storage medium provided in the embodiments of the present invention stores a computer program, and when executed, the computer program code may implement the method described in any of the above embodiments, and for specific implementation, reference may be made to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (10)
1. A power drive control method characterized in that a vehicle power system includes a power type battery and an energy type battery, the vehicle drive system includes a first drive motor and a second drive motor, the method comprising:
monitoring a first power output by the energy type battery;
judging whether the first power meets a target required power;
when the first power meets the target required power, providing the first power to the second driving motor so that the second driving motor provides driving for the current vehicle;
when the first power does not meet the target required power, the power type battery is controlled to output second power, the first power is provided for the second driving motor, and the second power is provided for the first driving motor to provide electric energy, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
2. The method of claim 1, wherein prior to the step of determining whether the first power meets a target demand power, the method further comprises:
monitoring a throttle signal of the current vehicle in real time;
and determining the target required power according to the strength information of the throttle signal.
3. The method of claim 2, wherein prior to the step of determining whether the first power meets a target power demand, the method further comprises:
determining a vehicle state of the current vehicle according to a throttle signal and vehicle data, wherein the vehicle state comprises a rapid acceleration state;
and if the current vehicle is in the rapid acceleration state, executing a step of judging whether the first power meets the target required power.
4. The method of claim 3, wherein the vehicle state further comprises a hard deceleration state, the method further comprising:
and if the current vehicle is in the rapid deceleration state, executing a step of judging whether the first power meets the target required power, and controlling the power type battery and/or the energy type battery to reversely recover electric energy.
5. The method of claim 1, further comprising:
and if the ambient temperature of the current vehicle is lower than the temperature threshold, executing a step of judging whether the first power meets the target required power.
6. The method of claim 1, further comprising:
respectively monitoring the states of the power type battery and the energy type battery in real time;
if the energy type battery has a fault, providing electric energy for the first driving motor through the second power so as to drive the first driving motor to drive the current vehicle;
and if the power type battery has a fault, providing electric energy for the second driving motor through the first power so as to drive the second driving motor to drive the current vehicle.
7. The method of claim 6, wherein the energy-type battery is further configured to provide electrical energy to a vehicle electrical load, the method further comprising: and if the energy type battery has a fault, controlling the power type battery to supply electric energy to the electric load for the vehicle.
8. A power drive control apparatus characterized in that a vehicle power system includes a power type battery and an energy type battery, the vehicle drive system includes a first drive motor and a second drive motor, the apparatus comprising:
the monitoring module is used for monitoring first power output by the energy type battery;
the judging module is used for judging whether the first power meets the target required power;
the first driving module is used for providing the first power to the second driving motor when the first power meets the target required power so as to enable the second driving motor to provide driving for the current vehicle;
and the second driving module is used for controlling the power type battery to output second power, providing the first power to the second driving motor and providing the second power to the first driving motor to provide electric energy when the first power does not meet the target required power, so that the first driving motor and the second driving motor jointly provide driving for the current vehicle.
9. A vehicle comprising a vehicle body, a memory, a processor and a program stored on the memory and executable on the processor, the processor implementing the method of any one of claims 1 to 7 when executing the program.
10. A computer-readable storage medium, characterized in that a computer program is stored in the readable storage medium, which computer program, when executed, implements the method of any of claims 1-7.
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