CN106114224B - A kind of control method of electric vehicle, control system and electric vehicle - Google Patents
A kind of control method of electric vehicle, control system and electric vehicle Download PDFInfo
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- CN106114224B CN106114224B CN201610579550.2A CN201610579550A CN106114224B CN 106114224 B CN106114224 B CN 106114224B CN 201610579550 A CN201610579550 A CN 201610579550A CN 106114224 B CN106114224 B CN 106114224B
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
- B60L1/04—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits fed by the power supply line
-
- 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
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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
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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)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of control method of electric vehicle, control system and electric vehicle, the control method：Obtain the first state mark for the first state that integrated manipulator is presently in；When first state belongs to first kind state, the first predetermined registration operation corresponding with first state mark is executed according to first state mark, and first state mark is sent to multiple high-low pressure parts；Receive the state that the high-low pressure parts fed back after high-low pressure parts identify corresponding second predetermined registration operation according to first state mark execution with first state are presently in；When the state that the result of the first predetermined registration operation and high-low pressure parts are presently in meets when redirecting condition of preset state machine, the status indicator for jumping to the second state from first state, and updating the state that is presently in is the second status indicator of the second state；The control method simplifies upward and downward electric process, while being capable of easy orientation problem when upward and downward electric process is abnormal.
Description
Technical field
The present invention relates to automobile technical field, a kind of control method of electric vehicle, control system and electronic are particularly related to
Automobile.
Background technology
In face of increasingly severe energy and environment problem, the energy saving heat for just becoming the research of current various countries with new-energy automobile
Point.The great attention of government and industrial quarters has been obtained with new-energy automobile China is energy saving, and has been set to emerging strategic production
One of industry.As energy saving and new-energy automobile one kind, pure electric automobile has emission-free discharge, energy dose-effect in the process of moving
The multiple advantages such as rate height, low, the recoverable energy of noise, therefore greatly develop pure electric automobile and energy security, environment are protected
Protector is of great importance.
With the fast development of pure electric automobile, integrated control becomes the trend of pure electric automobile current development.Integrated control
System, as its name suggests, the powerful computing capability of microprocessor, abundant function and external resource will be responsible for difference to support at this stage
The effective together as one of separate controller of function, by common hardware resource, realization was originally completed by multiple independent controls
Institute it is functional.Integrated control can not only save hardware resource, reduce controller cost, at the same time since system obtains
It integrates, improves whole stability from another point of view.In pure electric automobile, to ensure that the high speed of driving motor stablizes fortune
Row, higher to the requirement of real-time of electric machine controller, controlling cycle is generally in Microsecond grade；And entire car controller, real-time
It is required that low compared with electric machine controller, controlling cycle is generally in Millisecond, in this context, vehicle control is integrated by electric machine controller
The function that device processed is realized becomes the direction of current pure electric automobile integrated control development.
Upper and lower electric control is the important component of pure electric automobile control, pure electric automobile different from conventional fuel oil car
There are a large amount of high and low pressure parts, such as power battery, battery management system BMS, high-low pressure apparatus for converting DC power DC/DC,
High voltage components and the instrument such as air conditioning warm air heating system PTC, middle control, car body control module BCM, electronic power assist steering system EPS,
The low-pressure systems such as force aid system for braking need formulation detailed strategy ensureing these high-low pressure parts upward and downward electric process just thus
Often work and rationally cooperation.Current pure electric automobile upward and downward electric process is mostly by entire car controller directly to each high-low pressure zero
Part carries out active control to realize, process is complicated, is affected by extraneous factor and spare parts logistics, if one of link goes out
Existing problem will influence the upward and downward electric process of vehicle.
Invention content
The purpose of the present invention is to provide a kind of control method of electric vehicle, control system and electric vehicles, solve
Electric vehicle upward and downward electric process is complicated in the prior art, the problem of being affected by extraneous factor and spare parts logistics.
In order to achieve the above object, the embodiment of the present invention provides a kind of control method of electric vehicle, the electric vehicle
It is provided with an integrated manipulator, the control method includes：
The integrated manipulator obtains the first state mark for the first state that the integrated manipulator is presently in；
When the first state belongs to first kind state, the integrated manipulator is identified according to the first state and is executed
The first predetermined registration operation corresponding with first state mark, and send described the to multiple high-low pressure parts of electric vehicle
One status indicator；
The integrated manipulator receives the high-low pressure parts and is executed and described first according to first state mark
The state that the high-low pressure parts fed back after the corresponding second predetermined registration operation of status indicator are presently in；
When the state that the result of described the first predetermined registration operation and the high-low pressure parts are presently in meets preset state
When redirecting condition of machine, the integrated manipulator jumps to the second state from first state, and updates the shape for the state that is presently in
State is identified as the second status indicator of second state.
Wherein, the integrated manipulator obtains the first state mark for the first state that the integrated manipulator is presently in
Later, the control method further includes：
When the first state belongs to the second class state, the integrated manipulator is identified according to the first state and is executed
The first predetermined registration operation corresponding with first state mark；
When the result of described the first predetermined registration operation meets when redirecting condition of preset state machine, the integrated manipulator is from
One state transition to the second state, and the second status indicator that the status indicator for updating the state that is presently in is the second state.
Wherein, the first kind state of the integrated manipulator includes：
Low pressure parts self-test state, power battery self-test state, high-pressure system pre-charge state, high voltage parts self-test
Electro-detection state and low pressure power-down state under state, driving states, zero power phase, high pressure power-down state, high pressure.
Wherein, the second class state of the integrated manipulator includes：
Integrated manipulator init state and integrated manipulator power-down state.
Wherein, multiple high-low pressure parts include：
Battery management system BMS, high-low pressure apparatus for converting DC power DC/DC, air conditioning warm air heating system PTC, air-conditioning
Compressor EAS, electric boosting steering system EPS and vehicular meter system ICM.
Wherein, the control method further includes：
Pre-set the first predetermined registration operation corresponding with first state mark；And/or
Pre-set second predetermined registration operation corresponding with first state mark；With or,
Pre-set preset state machine redirects condition under different conditions.
The embodiment of the present invention also provides a kind of control system, and the set-up of control system is on electric vehicle, the control
System includes the integrated manipulator in the control method of electric vehicle as described above.
Wherein, the control system further includes：
Multiple high-low pressure parts, the integrated manipulator are connect with each high-low pressure parts respectively；
Wherein, the integrated manipulator sends the first state that integrated manipulator is presently in the high-low pressure parts
First state mark, and the state that the high-low pressure parts for receiving high-low pressure parts feedback are presently in.
The embodiment of the present invention also provides a kind of electric vehicle, including control system as described above.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In the control method of the electric vehicle of the embodiment of the present invention, control system and electric vehicle, electric vehicle it is integrated
Controller controls the power-on and power-off process of electric vehicle by way of sending status indicator, simplifies upward and downward electric process, simultaneously
It being capable of easy orientation problem when upward and downward electric process is abnormal；In addition integrated manipulator provided in an embodiment of the present invention is integrated
The function of the function of entire car controller and electric machine controller in the prior art, improves the integrated level of system, in certain procedures
On improve the reliability of system.
Description of the drawings
Fig. 1 shows the basic step flow charts of the control method of the electric vehicle of first embodiment of the present invention offer；
Integrated manipulator and high-low pressure in the control method for the electric vehicle that Fig. 2 expression first embodiment of the present invention provides
The connection relationship diagram of parts；
The power-on and power-off of electric vehicle in the control method for the electric vehicle that Fig. 3 expression first embodiment of the present invention provides
One of state transition block diagram in journey；
The power-on and power-off of electric vehicle in the control method for the electric vehicle that Fig. 4 expression first embodiment of the present invention provides
Two of state transition block diagram in journey；
The power-on and power-off of electric vehicle in the control method for the electric vehicle that Fig. 5 expression first embodiment of the present invention provides
Three of state transition block diagram in journey；
The power-on and power-off of electric vehicle in the control method for the electric vehicle that Fig. 6 expression first embodiment of the present invention provides
Four of state transition block diagram in journey.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
First embodiment
As shown in Figure 1, the first embodiment of the present invention provides a kind of control method of electric vehicle, the electric vehicle is set
It is equipped with an integrated manipulator, the control method includes：
Step 11, the integrated manipulator obtains the first state mark for the first state that the integrated manipulator is presently in
Know；
Step 12, when the first state belongs to first kind state, the integrated manipulator is according to the first state
Mark executes the first predetermined registration operation corresponding with first state mark, and is sent out to multiple high-low pressure parts of electric vehicle
The first state is sent to identify；
Step 13, the integrated manipulator receives the high-low pressure parts and identifies execution and institute according to the first state
It states first state and identifies the state that the high-low pressure parts fed back after corresponding second predetermined registration operation are presently in；
Step 14, when the state that the result of described the first predetermined registration operation and the high-low pressure parts are presently in meets in advance
If when redirecting condition of state machine, the integrated manipulator jumps to the second state from first state, and updates and be presently in shape
The status indicator of state is the second status indicator of second state.
In the above embodiment of the present invention, integrated manipulator is controlled by transmission status indicator, such as the mode of conditional code
The power-on and power-off process of electric vehicle, simplifies upward and downward electric process.Specifically, the electric vehicle in the embodiment of the present invention is pure electric vehicle
Automobile, integrated manipulator provided in an embodiment of the present invention are integrated with the function and electric machine controller of entire car controller in the prior art
Function.The control method adoption status mechanism realizes the power-on and power-off of vehicle, with traditional by entire car controller active control height
Low pressure parts realize that the power-on and power-off of vehicle are different, and integrated manipulator sends vehicle in control method provided in an embodiment of the present invention
Current state code (being presently in status indicator of state, such as first state mark, the second status indicator etc.), high-low pressure
Parts execute different control logics according to the difference of conditional code after the conditional code for receiving integrated manipulator transmission, and to
Controller feedback states, the final power-on and power-off for realizing vehicle.This process simplify the control logics of controller, make the upper and lower of complexity
Electric process sharpening, while being capable of easy orientation problem when upward and downward electric process is abnormal；In addition this method will be original whole
The upward and downward electric process of vehicle controller and electric machine controller has been incorporated into the integrated level for improving system together, to a certain extent
Improve the reliability of system.
It should be noted that the state that integrated manipulator is presently in the above embodiment of the present invention can be divided into first
Class state and the second class state.Further, in the above embodiment of the present invention after step 11, the control method is also wrapped
It includes：
Step 15, when the first state belongs to the second class state, the integrated manipulator is according to the first state
Mark executes the first predetermined registration operation corresponding with first state mark；
Step 16, when the result of described the first predetermined registration operation meets when redirecting condition of preset state machine, the integrated control
Device processed jumps to the second state from first state, and the second state that the status indicator for updating the state that is presently in is the second state
Mark.
First kind state and the second class state is distinguished as in the above embodiment of the present invention：
When integrated manipulator is in first kind state, integrated manipulator need to execute pre- with first kind state relevant first
If operation, also needs the status indicator (or conditional code) of first kind state being sent to high-low pressure parts, high-low pressure parts
Also it executes second predetermined registration operation corresponding with conditional code and feedback states is to integrated manipulator, integrated manipulator is according to its high-low pressure
The fructufy present condition of status information and the first predetermined registration operation that parts are fed back redirects；And when integrated manipulator is in second
When class state, integrated manipulator only needs execution and the relevant the first predetermined registration operation of first kind state, to according to the first default behaviour
The result of work realizes the state transition of integrated manipulator.
Specifically, the upward and downward electric process of pure electric automobile under drive mode is subdivided into 11 in the above embodiment of the present invention
A state, wherein 9 states are first kind state, 2 states are the second class state.Specifically, the of the integrated manipulator
A kind of state includes：
Low pressure parts self-test state, power battery self-test state, high-pressure system pre-charge state, high voltage parts self-test
Electro-detection state and low pressure power-down state under state, driving states, zero power phase, high pressure power-down state, high pressure.
Second class state of the integrated manipulator includes：
Integrated manipulator init state and integrated manipulator power-down state.
Under each of the above state integrated manipulator will send out corresponding status indicator (A1 can be respectively set to ---
A11), high-low pressure parts according to status indicator carry out different operations and to integrated manipulator feedback states, integrated manipulators
Corresponding state is jumped to according to the feedback of status of high-low pressure parts.
Specifically, multiple high-low pressure parts include in the above embodiment of the present invention：
Battery management system BMS, high-low pressure apparatus for converting DC power DC/DC, air conditioning warm air heating system PTC, air-conditioning
Compressor EAS, electric boosting steering system EPS and vehicular meter system ICM.Its multiple high-low pressure parts and integrated control
Connection relation between device is as shown in Figure 2.
Further, in order to enable integrated manipulator can be realized between each state and smoothly be jumped in upward and downward electric process
Turn, control method described in the above embodiment of the present invention further includes：
Step 17, the first predetermined registration operation corresponding with first state mark is pre-set；And/or
Step 18, second predetermined registration operation corresponding with first state mark is pre-set；With or,
Step 19, pre-set preset state machine redirects condition under different conditions.
It should be noted that it is above-mentioned pre-set the first predetermined registration operation, second predetermined registration operation, redirect condition etc. may each be
It voluntarily being pre-set by user, can also default setting be carried out by the driving system of automobile, user can modify to it,
So that its jump procedure more meets human oriented design, user experience is promoted.
Specifically, the control method of the electric vehicle for clearer description first embodiment of the present invention offer, under
Face combines specific example to realize that the process of electric vehicle power-on and power-off is described in detail to the control method using the present invention：
As shown in figure 3, vehicle initially enters integrated manipulator init state (A1) after the power is turned on, integrated manipulator is complete at this time
At the initial configuration that I/O, A/D, CAN communication and SPI are communicated, reads EEPROM information and go forward side by side line control unit self-test, call out later
Awake BMS, DC/DC, PTC, EAS, EPS and ICM controller simultaneously carries out integrated manipulator internal fault detection, at the beginning of integrated manipulator
Beginningization stage condition code A1 is not sent out by CAN, is only used for internal applications.In integrated manipulator initial phase, BMS,
The high-low pressures parts such as DC/DC are initialized after receiving wake-up signal, and the integrated manipulator delay T1 times are laggard at this time
Row state transition (jumps to A2 states), and wherein time T1 disclosure satisfy that the initial reguirements of high-low pressure parts.
After jumping to low pressure parts self-test state (A2), integrated manipulator period transmission CAN message (including send state
Code A2), start fault detect (not detecting high voltage fault at this time) and to motor rotation become initialize；After receiving conditional code A2
BMS, DC/DC, PTC, EAS, EPS and ICM carry out low pressure self-test, and feed back self-test state to integrated manipulator by CAN network；
Electric fault is then jumped under integrated manipulator receives BMS, DC/DC, EPS and ICM self-test complement mark within the T2 times and do not occur
It goes to power battery self-test state (A3) and otherwise jumps to low pressure power-down state (A10).Whether wherein PTC and EAS has initialized
At not influencing basic driving function, therefore redirects in condition and do not consider.
After jumping to power battery self-test state (A3), the integrated manipulator period sends the order of closed high relay simultaneously
Continue fault detect.BMS carries out battery system high pressure detection of electrical leakage and battery pack cycle detection under the state, and to collection
Detecting state, electricity event under integrated manipulator receives BMS detection complement marks within the T3 times and do not occur are fed back at controller
Barrier then jumps to high pressure pre-charge state (A4) and otherwise jumps to low pressure power-down state (A10).
As shown in figure 4, after jumping to high-pressure system pre-charge state (A4), integrated manipulator continues fault detect.
BMS carries out the electric control of power battery preliminary filling and carries out detection of electrical leakage under the state, while feeding back precharge shape to integrated manipulator
State, integrated manipulator receive the power battery precharge complement mark of BMS in time T4, and are then jumped to without lower electric fault
Otherwise state A5 jumps to state A8, into high pressure under electricity.
After jumping to high voltage parts self-test state (A5), integrated manipulator continues fault detect, while detecting electricity
Machine high-pressure system working condition.BMS carries out power battery state-detection, detection power battery leakage condition under the state, simultaneously
It is fed back to integrated manipulator；DC/DC, PTC and EAS are detected the high-pressure system of itself, and certainly to integrated manipulator feedback
Inspection state.The power battery high pressure self-test that integrated manipulator receives BMS in time T5 is completed to complete with DC/DC high pressure self-tests
Mark, and then jumps to state A6 without lower electric fault, otherwise jumps to state A8, into high pressure under electricity.In this state, PTC
Whether high pressure self-test completion does not influence basic driving function with EAS, therefore redirects in condition and do not consider.
After jumping to driving states (A6), integrated manipulator continues fault detect, is performed simultaneously full-vehicle control logic
And torque, rotating speed control are carried out to motor.BMS carries out power battery state-detection (battery pack cycle detection), inspection under the state
Power battery leakage condition is surveyed, while being fed back to integrated manipulator；DC/DC, PTC, EAS, EPS and ICM are to itself working condition
It is detected, and is fed back to integrated manipulator.The driver's operation of integrated manipulator monitoring at this time, is asked when receiving electricity under driver
It asks or detects that electric fault then jumps to state A7 under high pressure, otherwise will be always held at the state.
As shown in figure 5, after jumping to zero power phase (A7), integrated manipulator carries out fault detect and is carried out simultaneously to motor
Zero energy controls.BMS carries out detection of electrical leakage under the state, and DC/DC, PTC and EAS stopping power output are simultaneously anti-to integrated manipulator
Feedback state, if integrated manipulator receives the flag bit that DC/DC, PTC and EAS fully enter 0 power rating in time T7,
State A8 is jumped to, the T7' pressures that are otherwise delayed jump to A8, wherein time T7'>T7.
After jumping to zero power phase (A8), integrated manipulator carries out fault detect, and BMS carries out battery pack inspection under the state
Survey simultaneously switches off inside battery high-voltage relay, and DC/DC, PTC and EAS, which are closed, to be enabled and to integrated manipulator feedback states, collect
If receiving power battery high-voltage relay in time T8 at controller disconnects complement mark and the pass of DC/DC, PTC, EAS
Closing enabler flags, then integrated manipulator executes electrion and disconnected vehicle relay operation and jumps to state A9, is otherwise delayed
T8' pressures jump to A9, wherein time T8'>T8.
It jumps under high pressure after electro-detection state (A9), integrated manipulator carries out failure and electro-detection under high pressure.The state
Lower BMS carries out detection of electrical leakage and is detected with battery pack, if integrated manipulator detects interior high-voltage system voltage drop in time T9
State A10 is then jumped to as low as safe range, the T9' pressures that are otherwise delayed jump to A10, wherein time T9'>T9.
As shown in fig. 6, after jumping to low pressure power-down state (A10), integrated manipulator carries out fault detect, close to BMS,
The wake-up of DC/DC, PTC, EAS, EPS, ICM simultaneously close off CAN bus transmitting-receiving.BMS, DC/DC under the state, PTC, EAS,
EPS, ICM execute low pressure power-down operation.Integrated manipulator delay T10 jumps to A11 states.
After jumping to integrated manipulator power-down state (A11), integrated manipulator stops fault detect, at this time into row write
EEPROM is operated, electric under low pressure later.
To sum up, realize that the power-on and power-off of vehicle are different by controller active control high-low pressure parts from traditional, the present invention
Integrated manipulator sends the current state code of vehicle in the control method that embodiment provides, and high-low pressure parts are receiving control
Different control logics is executed after the conditional code that device is sent according to the difference of conditional code, and to integrated manipulator feedback states, is collected
Carry out redirecting for state of a control at controller, the final power-on and power-off for realizing vehicle.Specifically, provided by the invention based on the upper of state
The upward and downward electric process of vehicle is divided into 11 states by lower electric control method, respectively：Integrated manipulator initializes, low pressure components
Self-test, power battery self-test, high-pressure system precharge, high voltage parts self-test are driven a vehicle, zero energy, electricity under high pressure.It is electric under high pressure
It detects, electricity, integrated manipulator power down under low pressure；Integrated manipulator and the division of labor of high-low pressure parts are clear in each state, respectively
From the task of itself is executed, power-on and power-off process is pushed.Method provided in an embodiment of the present invention simplifies the control logic of controller,
Make originally complicated upward and downward electric process sharpening, while being capable of clearly orientation problem when power-on and power-off process is obstructed.This method
The upward and downward electric process of entire car controller in the prior art and electric machine controller has been incorporated into together, the integrated of system is improved
Degree, improves the reliability of system to a certain extent.
Second embodiment
In order to preferably realize that above-mentioned purpose, the second embodiment of the present invention provide a kind of control system, the control system
System is arranged on electric vehicle, and the control system includes the integrated control in the control method of electric vehicle as described above
Device.
Specifically, control system described in the second embodiment of the present invention further includes：
Multiple high-low pressure parts, the integrated manipulator are connect with each high-low pressure parts respectively；
Wherein, the integrated manipulator sends the first state that integrated manipulator is presently in the high-low pressure parts
First state mark, and the state that the high-low pressure parts for receiving high-low pressure parts feedback are presently in.
It is the trend of current development, i.e., the function that will be completed before by multiple controllers that controller for pure electric automobile is integrated
Collection is together in a controller, and integrated can not only be shared by hardware resource of controller reduces vehicle manufacture cost, simultaneously
The reliability and stability of system is also contributed to due to reducing the physical connection between controller.The second of the present invention is real
In the control system for applying example offer, integrated manipulator then integrates entire car controller in the prior art and electric machine controller function；
In traditional pure electric automobile, power-on and power-off need the tight fit of each point of control system, especially entire car controller, motor control
Device and this three controls device of battery management system.Integrated manipulator mentioned in the present invention is by entire car controller and motor control
The function of device processed is integrated, therefore is needed again in upward and downward electric process to being worked before by the unaided task of two controllers
It is integrated, the power-on and power-off of vehicle is completed under the premise of improving whole efficiency, ensureing reliability.
To sum up, control system adoption status mechanism provided in an embodiment of the present invention realizes the power-on and power-off of vehicle, and traditional
Realize that the power-on and power-off of vehicle are different by controller active control high-low pressure parts.Integrated manipulator is according to working as in upward and downward electric process
Preceding state to high-low pressure parts send conditional code, high-low pressure parts receive integrated manipulator transmission conditional code after,
According to the difference of conditional code, corresponding action is executed, current state is fed back into integrated manipulator later；Integrated manipulator then root
Logic judgment is carried out according to the status information of high-low pressure parts feedback, state transition is carried out when meeting certain condition and to state
Code is updated；Integrated manipulator is interacted with high-low pressure parts by conditional code, and vehicle is realized by the update of conditional code
Upward and downward electric process.This process simplify the control logics of controller, make complicated upward and downward electric process sharpening, while when upper
Lower electric process being capable of easy orientation problem when being abnormal；In addition this method is by original entire car controller and electric machine controller
Upward and downward electric process has been incorporated into the integrated level for improving system together, improves the reliability of system to a certain extent.
High-low pressure parts in electric vehicle include：BMS, DC/DC, PTC, EAS, EPS and ICM；Wherein, BMS tables
Show that battery management system, DC/DC indicate that high-low pressure apparatus for converting DC power, PTC indicate air conditioning warm air heating system, EAS tables
Show that compressor of air conditioner, EPS indicate that electric boosting steering system, ICM indicate vehicular meter system.
3rd embodiment
In order to preferably realize that above-mentioned purpose, the third embodiment of the present invention also provide a kind of electric vehicle, including it is as above
The control system.
It should be noted that electric vehicle provided in an embodiment of the present invention is the control for including above-mentioned second embodiment offer
The electric vehicle of system, then all embodiments of above-mentioned control system be suitable for the electric vehicle, and can reach it is identical or
Similar advantageous effect.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of power-on and power-off control method of electric vehicle, which is characterized in that the electric vehicle is provided with an integrated manipulator,
The control method includes：
In electric vehicle upward and downward electric process, the integrated manipulator obtains the first state that the integrated manipulator is presently in
First state mark；
When the first state belongs to first kind state, the integrated manipulator identifies execution and institute according to the first state
It states first state and identifies corresponding the first predetermined registration operation, and first shape is sent to multiple high-low pressure parts of electric vehicle
State identifies；
The integrated manipulator receives the high-low pressure parts and is executed and the first state according to first state mark
Identify the state that the high-low pressure parts fed back after corresponding second predetermined registration operation are presently in；
When the state that the result of described the first predetermined registration operation and the high-low pressure parts are presently in meets preset state machine
When redirecting condition, the integrated manipulator jumps to the second state from first state, and updates the state mark for the state that is presently in
Know the second status indicator for second state.
2. control method according to claim 1, which is characterized in that the integrated manipulator obtains the integrated manipulator
After the first state mark for the first state being presently in, the control method further includes：
When the first state belongs to the second class state, the integrated manipulator identifies execution and institute according to the first state
It states first state and identifies corresponding the first predetermined registration operation；
When the result of described the first predetermined registration operation meets when redirecting condition of preset state machine, the integrated manipulator is from the first shape
State jumps to the second state, and the second status indicator that the status indicator for updating the state that is presently in is the second state.
3. control method according to claim 1, which is characterized in that the first kind state of the integrated manipulator includes：
Low pressure parts self-test state, power battery self-test state, high-pressure system pre-charge state, high voltage parts self-test shape
Electro-detection state and low pressure power-down state under state, driving states, zero power phase, high pressure power-down state, high pressure.
4. control method as claimed in claim 2, which is characterized in that the second class state of the integrated manipulator includes：
Integrated manipulator init state and integrated manipulator power-down state.
5. control method according to claim 1 or 2, which is characterized in that multiple high-low pressure parts include：
It is battery management system BMS, high-low pressure apparatus for converting DC power DC/DC, air conditioning warm air heating system PTC, air conditioner compressed
Machine EAS, electric boosting steering system EPS and vehicular meter system ICM.
6. control method according to claim 1, which is characterized in that the control method further includes：
Pre-set the first predetermined registration operation corresponding with first state mark；And/or
Pre-set second predetermined registration operation corresponding with first state mark；With or,
Pre-set preset state machine redirects condition under different conditions.
7. a kind of control system, which is characterized in that for the set-up of control system on electric vehicle, the control system includes such as
Integrated manipulator in the control method of claim 1-6 any one of them electric vehicles.
8. control system as claimed in claim 7, which is characterized in that the control system further includes：
Multiple high-low pressure parts, the integrated manipulator are connect with each high-low pressure parts respectively；
Wherein, the integrated manipulator sends the of the first state that is presently in of integrated manipulator to the high-low pressure parts
One status indicator, and the state that the high-low pressure parts for receiving the high-low pressure parts feedback are presently in.
9. a kind of electric vehicle, which is characterized in that including control system as claimed in claim 7 or 8.
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| CN201610579550.2A CN106114224B (en) | 2016-07-21 | 2016-07-21 | A kind of control method of electric vehicle, control system and electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107415738B (en) * | 2017-07-31 | 2020-05-12 | 北京新能源汽车股份有限公司 | Vehicle working condition control method and system and vehicle |
| CN108528242B (en) * | 2018-03-29 | 2020-04-21 | 吉利汽车研究院（宁波）有限公司 | Medium-low voltage power-on and power-off control method and device and electronic equipment |
| CN111660827B (en) * | 2020-06-03 | 2021-07-06 | 东风小康汽车有限公司重庆分公司 | State machine for range-extended electric automobile and range-extended electric automobile |
| CN113459827B (en) * | 2021-05-27 | 2022-12-09 | 浙江伊控动力系统有限公司 | Power-on and power-off method of function integrated type motor controller |
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