CN107627901A - Output torque control method, device and the automobile of a kind of motor - Google Patents
Output torque control method, device and the automobile of a kind of motor Download PDFInfo
- Publication number
- CN107627901A CN107627901A CN201710762853.2A CN201710762853A CN107627901A CN 107627901 A CN107627901 A CN 107627901A CN 201710762853 A CN201710762853 A CN 201710762853A CN 107627901 A CN107627901 A CN 107627901A
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- Prior art keywords
- motor
- output torque
- automobile
- initial output
- pedal aperture
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Classifications
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention provides output torque control method, device and the automobile of a kind of motor, it is related to Motor Control Field, for the technical problem for solving that driving and braking vehicle can not be realized by a pedal in the prior art, the output torque control method of the motor in the embodiment of the present invention includes:Determine the driving model of automobile;Gas pedal aperture and motor speed when the driving model for obtaining automobile is single pedal driving model;According to the gas pedal aperture and the motor speed, the initial output torque of motor is determined;Torque limit processing is carried out to the initial output torque of the motor, obtains the moment of torsion after carrying out torque limit processing, and export.The above embodiment of the present invention, realize the effect braked or driven to automobile by one pedal of gas pedal.
Description
Technical field
The present invention relates to Motor Control Field, output torque control method, device and the automobile of especially a kind of motor.
Background technology
In vehicle traveling process, if desired cause the Accelerating Traveling of Automobiles, it is necessary to trample the gas pedal of automobile, and then to electricity
The output torque of machine is controlled;When needing car deceleration to travel, then need to realize system by the brake pedal for trampling automobile
It is dynamic.That is, in the prior art, it is necessary to two pedals could realize the braking or acceleration to automobile, also, because two pedal drives
Pattern so that driver often occur by gas pedal as brake pedal and then the situation of initiation traffic accident.
The content of the invention
Technical problems to be solved of the embodiment of the present invention are to provide output torque control method, device and the vapour of a kind of motor
Car, to realize braking and driving that automobile is realized by one pedal of gas pedal.
In order to solve the above technical problems, the output torque control method of motor provided in an embodiment of the present invention, applied to whole
Vehicle controller, including:Determine the driving model of automobile;
Gas pedal aperture and motor speed when the driving model for obtaining automobile is single pedal driving model;
According to the gas pedal aperture and the motor speed, the initial output torque of motor is determined;
Torque limit processing is carried out to the initial output torque of the motor, obtains the torsion after carrying out torque limit processing
Square, and export.
Preferably, the step of driving model for determining automobile, includes:
Determine the working condition of the single pedal switch of automobile;
Current shift and current failure state when the working condition for obtaining the single pedal switch of automobile is opening;
When the current shift is predetermined gear and the current failure state is non-malfunction, driving for automobile is determined
It is single pedal driving model to sail pattern.
Preferably, the step of working condition for determining the single pedal switch of automobile, includes:
Obtain the current shift and brake pedal aperture of automobile;
When the current shift of automobile is predetermined gear and the brake pedal aperture is more than default opening value, automobile is determined
Single pedal switch be in enabled state;
Judge whether to receive the processing that user operates single pedal switch when single pedal switch is in enabled state
Signal;
If receive, it is determined that the working condition of the single pedal switch of automobile is opening.
Preferably, according to the gas pedal aperture and the motor speed, the step of the initial output torque of motor is determined
Suddenly include:
Determine the working condition of the crawling function button of automobile;
When the working condition of the crawling function button is opening, according to the gas pedal aperture, the electricity
Machine rotating speed, according to the first predetermined mapping table between the initial output torque of gas pedal aperture, motor speed and motor
Lattice, determine the initial output torque of motor;Or
When the working condition of the crawling function button is closed mode, according to the gas pedal aperture, the electricity
Machine rotating speed, according to the second predetermined mapping table between the initial output torque of gas pedal aperture, motor speed and motor
Lattice, determine the initial output torque of motor;
Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are equal
When being zero, the initial output torque is not zero;
In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero
When, the initial output torque is zero.
Preferably, the described first predetermined correspondence table and the second predetermined correspondence table are at least two
Kind;
Wherein, in different first predetermined correspondence tables, corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of the initial output torque of motor is different;
In different second predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of initial output torque is different.
Preferably, torque limit processing is carried out to the initial output torque of the motor, obtains and carry out torque limit processing
The step of rear moment of torsion, includes:
Judge whether the initial output torque of the motor is more than the maximum allowable output torque of motor;
If being more than, the maximum allowable output torque is defined as the moment of torsion that obtains after torque limit processing;
If being less than or equal to, the initial output torque of the motor is defined as the torsion that obtains after torque limit processing
Square.
Preferably, methods described also includes:
Obtain the braking deceleration of automobile;
When the braking deceleration is more than preset deceleration angle value, control vehicle brake lamp is opened.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of output torque control of motor
Device, applied to entire car controller, including:
First determining module, for determining the driving model of automobile;
First acquisition module, gas pedal aperture when the driving model for obtaining automobile is single pedal driving model and
Motor speed;
Second determining module, for according to the gas pedal aperture and the motor speed, determining the initial defeated of motor
Go out moment of torsion;
Second acquisition module, for carrying out torque limit processing to the initial output torque of the motor, acquisition is turned round
Moment of torsion after the processing of square limit value, and export.
Preferably, the first determining module includes:
First determining unit, the working condition that the single pedal for determining automobile switchs;
First acquisition unit, the current shift when working condition that the single pedal for obtaining automobile switchs is opening
With current failure state;
Second determining unit, for being predetermined gear in the current shift and the current failure state is non-failure shape
During state, the driving model for determining automobile is single pedal driving model.
Preferably, the first determining unit includes:
First obtains subelement, for obtaining the current shift and brake pedal aperture of automobile;
First determination subelement, it is more than in advance for predetermined gear and the brake pedal aperture for the current shift in automobile
If during opening value, determine that the single pedal switch of automobile is in enabled state;
Judgment sub-unit, single pedal is switched for judging whether to receive user when single pedal switch is in enabled state
The process signal operated;
Second determination subelement, if for receiving, it is determined that the working condition of the single pedal switch of automobile is opening state
State.
Preferably, the second determining module includes:
3rd determining unit, the working condition of the crawling function button for determining automobile;
4th determining unit, for when the working condition of the crawling function button is opening, according to the oil
Door pedal aperture, the motor speed, according to the between the initial output torque of gas pedal aperture, motor speed and motor
One predetermined correspondence table, determine the initial output torque of motor;Or
5th determining unit, for when the working condition of the crawling function button is closed mode, according to the oil
Door pedal aperture, the motor speed, according to the between the initial output torque of gas pedal aperture, motor speed and motor
Two predetermined correspondence tables, determine the initial output torque of motor;
Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are equal
When being zero, the initial output torque is not zero;
In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero
When, the initial output torque is zero.
Preferably, the described first predetermined correspondence table and the second predetermined correspondence table are at least two
Kind;
Wherein, in different first predetermined correspondence tables, corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of the initial output torque of motor is different;
In different second predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of initial output torque is different.
Preferably, the second acquisition module includes:
Judging unit, the maximum allowable the output whether initial output torque for judging the motor is more than motor are turned round
Square;
4th determining unit, if for being more than, after the maximum allowable output torque is defined as into torque limit processing
The moment of torsion of acquisition;
5th determining unit, if for being less than or equal to, the initial output torque of the motor is defined as moment of torsion limit
The moment of torsion obtained after value processing.
Preferably, described device also includes:
3rd acquisition module, for obtaining the braking deceleration of automobile;
Control module, for when the braking deceleration is more than preset deceleration angle value, control vehicle brake lamp to be opened.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of automobile, including above-mentioned electricity
The output torque controller of actuating of machine.
Compared with prior art, output torque control method, device and the automobile of motor provided in an embodiment of the present invention, extremely
Have the advantages that less:
Realize and acceleration mode or on-position are in by a brake pedal automobile, improve driver and drive
Comfort property is sailed, and, the safety traffic of vehicle can be ensured.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the output torque control method of the motor described in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of step 1 in the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of step 11 in the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of step 3 in the embodiment of the present invention;
Fig. 5 is the schematic flow sheet of step 4 in the embodiment of the present invention;
Fig. 6 is the structural representation of the output torque controller of actuating of the motor described in the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.In the following description, there is provided such as specific configuration and the specific detail of component are only
In order to help comprehensive understanding embodiments of the invention.Therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, eliminate pair
The description of known function and construction.
Reference picture 1, the embodiments of the invention provide a kind of output torque control method of motor, applied to full-vehicle control
Device, including:
Step 1, the driving model of automobile is determined.
The driving model of automobile includes two pedal driving model and single pedal driving model, wherein, two pedal driving model
For existing driving model, it realizes that vehicle is braked by brake pedal, and gas pedal realizes vehicle traction;Single pedal drives mould
Formula is to carry out vehicle braking and vehicle traction by one pedal of gas pedal.
Preferably, reference picture 2, step 1 include:
Step 11, the working condition of the single pedal switch of automobile is determined;
Step 12, current shift and current failure when the working condition for obtaining the single pedal switch of automobile is opening
State;
Step 13, when the current shift is predetermined gear and the current failure state is non-malfunction, it is determined that
The driving model of automobile is single pedal driving model.
The working condition of the single pedal switch of automobile is in working condition during enabled state for single pedal switch.
When the working condition of single pedal switch refers to that single pedal switch is in enabled state for opening, user is to singly stepping on
Switching plate operated after state.When single pedal switch is in not enabled state, single pedal switch gray pattern, this
When, user can not switch to single pedal and operate;When single pedal switch is in enabled state, now, single pedal switch is in
Red pattern, now, user can switch to single pedal and perform operation, user shows after single pedal switch is pressed first
User wishes unlatching single pedal driving model, and now, the working condition of single pedal switch is opening.
In order to ensure the safety traffic of the vehicle under single pedal driving model, it is desirable to which vehicle enters single pedal driving model
Before, each operational factor of vehicle is normal, does not occur exception.
Preferably, reference picture 3, step 11 include:
Step 111, the current shift and brake pedal aperture of automobile are obtained;
Step 112, when the current shift of automobile is more than default opening value for predetermined gear and the brake pedal aperture,
Determine that the single pedal switch of automobile is in enabled state;
Step 113, judge whether to receive user when single pedal switch is in enabled state to grasp single pedal switch
The process signal of work;
Step 114, if receiving, it is determined that the working condition of the single pedal switch of automobile is opening.
In embodiments of the present invention, the automobile of Default Value, the enabled state of its single pedal switch are defaulted as not enabling shape
State.Switched in the single pedal that automobile is determined according to step 112 in can be after enabled state, entire car controller passes through CAN message
Form send single pedal switch enable signal to the EHU of automobile, EHU is according to the message flag position (example of the CAN message received
Such as:Message flag position is 1, corresponding enabled state;Message flag position is 0, corresponding not enabled state), it is determined whether control is singly stepped on
Switching plate is in enabled state.EHU controls single pedal switch to be in enabled state according to the message flag position of the CAN message of reception
Afterwards, EHU to entire car controller feedback pedal switch be in enabled state when user to the processing that is operated of single pedal switch
Signal (i.e. the working condition of single pedal switch is opening).
If being determined in the CAN message that EHU is sent according to entire car controller, the order that entire car controller issues is single for control
Pedal switch for not enabled state when, EHU then according to it is electric under the automobile last time itself stored when the work shape that switchs of single pedal
State control single pedal switch, i.e. when automobile is previous lower electric, the working condition of the single pedal switch of EHU storages is opening, then
Single pedal switch is now controlled to be in opening;When automobile is previous lower electric, the working condition of the single pedal switch of EHU storages is
Closed mode, then single pedal switch is now controlled to be closed.
Step 2, gas pedal aperture and motor speed when the driving model for obtaining automobile is single pedal driving model.
Step 3, according to the gas pedal aperture and the motor speed, the initial output torque of motor is determined.
Preferably, reference picture 4, step 3 include:
Step 31, the working condition of the crawling function button of automobile is determined;
Step 32, when the working condition of the crawling function button is opening, according to the gas pedal aperture,
The motor speed, it is predetermined corresponding according to first between the initial output torque of gas pedal aperture, motor speed and motor
Related table, determine the initial output torque of motor;Or
Step 33, when the working condition of the crawling function button is closed mode, according to the gas pedal aperture,
The motor speed, it is predetermined corresponding according to second between the initial output torque of gas pedal aperture, motor speed and motor
Related table, determine the initial output torque of motor;
Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are equal
When being zero, the initial output torque is not zero;
In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero
When, the initial output torque is zero.
In the first predetermined correspondence table, include:During driver's accelerator pedal, each gas pedal aperture and
The initial output torque of motor corresponding to each motor speed;During with driver's accelerator releasing pedal, each gas pedal aperture and
The initial output torque of motor corresponding to each motor speed.
In the second predetermined correspondence table, similarly, also include:During driver's accelerator pedal, each throttle
The initial output torque of motor corresponding to pedal aperture and each motor speed;During with driver's accelerator releasing pedal, each throttle
The initial output torque of motor corresponding to pedal aperture and each motor speed.
In driver's accelerator pedal, according in the first predetermined correspondence table or the second predetermined correspondence table
The initial output torque of motor determined of data be driving torque, the driving torque is used to realize the acceleration to automobile.
In driver's accelerator releasing pedal, according to the difference of the concrete numerical value of gas pedal aperture, automobile, which is likely to be at, to be added
Fast state, sliding state or deceleration regime.In embodiments of the present invention, gas pedal aperture is divided into three sections:Add
Fast area, area and deceleration area are slided, wherein, the gas pedal aperture of accelerating region is more than the gas pedal aperture for sliding area, slides area
Gas pedal aperture be more than deceleration area gas pedal aperture.It is pre- according to first when gas pedal aperture is in accelerating region
The initial output torque for determining the motor that the data in correspondence table or the second predetermined correspondence table are determined is driving
Moment of torsion, the driving torque are used to realize the acceleration to automobile;When gas pedal aperture is in and slides area, according to first predetermined pair
The initial output torque for answering the motor that the data in related table or the second predetermined correspondence table determine is zero, now,
Motor enters sliding state without torque output, vehicle;When gas pedal aperture is in deceleration area, according to motor speed number
The difference of value, the motor determined from the data in the first predetermined correspondence table or the second predetermined correspondence table just
Beginning output torque may be:Braking torque or driving torque.
Preferably, the described first predetermined correspondence table and the second predetermined correspondence table are at least two
Kind;Wherein, in different first predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of initial output torque is different;In different second predetermined correspondence tables, identical gas pedal aperture and same motor
The numerical value of the initial output torque of motor corresponding to rotating speed is different.
Specifically, the first predetermined correspondence table and the second predetermined correspondence table are three kinds, and each first
Predetermined correspondence table and the second predetermined correspondence table correspond to a kind of severity of braking, strong according to the braking that user selects
The difference of degree, predetermined relationship form corresponding to selection perform step 3.
Step 4, torque limit processing is carried out to the initial output torque of the motor, obtained after carrying out torque limit processing
Moment of torsion, and export.
Preferably, reference picture 5, step 4 include:
Step 41, judge whether the initial output torque of the motor is more than the maximum allowable output torque of motor;
Step 42, if being more than, the maximum allowable output torque is defined as the moment of torsion that obtains after torque limit processing;
Step 43, if being less than or equal to, obtained after the initial output torque of the motor is defined as into torque limit processing
The moment of torsion obtained.
It is maximum allowable in step 41 when being braking torque according to the initial output torque of the motor determined in step 3
It is maximum allowable braking output torque corresponding to output torque;The initial output torque of the motor determined in step 3 is driving
It is maximum allowable driving output torque corresponding to the maximum allowable output torque in step 41 during moment of torsion.
Preferably, methods described also includes:
Step 5, the braking deceleration of automobile is obtained;
Step 6, when the braking deceleration is more than preset deceleration angle value, control vehicle brake lamp is opened.
It can be acquired for the braking deceleration of automobile by the acceleration transducer set on automobile.
The setting of step 5 and step 6, be in order in single pedal driving model, when braking torque is excessive, rearward car
Driver prompting, vehicle be in on-position, and prompting front vehicle driver pays attention to travelling.
By the output torque control method of motor provided in an embodiment of the present invention, following effect is mainly reached and has 1. mitigated
Driver fatigue, when being driven a vehicle in City Routine road conditions, driver need to only control gas pedal, be not used to switchback door of changing oil and step on
Plate and brake pedal, lessen fatigue;2. reducing brakes loss, when being driven a vehicle in City Routine road conditions, vehicle completely can be with
Conventional hydraulic brakes is replaced using motor braking, so as to reduce brake fluid system loss;3. vehicle continual mileage is improved,
Vehicle is under single pedal driving model functional status, can improve vehicle capacity usage ratio, so as to lift continual mileage.It is 4. whole
Car configuration requirement is low, the realization of the above method of the present invention, it is only necessary to can be realized by VCU and EHU information exchange.
To sum up, the above method of the present invention realizes is in acceleration mode or braking by a brake pedal automobile
State, driver's driving comfort performance is improved, and, the safety traffic of vehicle can be ensured.
Reference picture 6, another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of output of motor
Torque control device, applied to entire car controller, including:
First determining module 1, for determining the driving model of automobile;
First acquisition module 2, the gas pedal aperture when driving model for obtaining automobile is single pedal driving model
And motor speed;
Second determining module 3, for according to the gas pedal aperture and the motor speed, determining the initial defeated of motor
Go out moment of torsion;
Second acquisition module 4, for carrying out torque limit processing to the initial output torque of the motor, acquisition is turned round
Moment of torsion after the processing of square limit value, and export.
Preferably, the first determining module includes:
First determining unit, the working condition that the single pedal for determining automobile switchs;
First acquisition unit, the current shift when working condition that the single pedal for obtaining automobile switchs is opening
With current failure state;
Second determining unit, for being predetermined gear in the current shift and the current failure state is non-failure shape
During state, the driving model for determining automobile is single pedal driving model.
Preferably, the first determining unit includes:
First obtains subelement, for obtaining the current shift and brake pedal aperture of automobile;
First determination subelement, it is more than in advance for predetermined gear and the brake pedal aperture for the current shift in automobile
If during opening value, determine that the single pedal switch of automobile is in enabled state;
Judgment sub-unit, single pedal is switched for judging whether to receive user when single pedal switch is in enabled state
The process signal operated;
Second determination subelement, if for receiving, it is determined that the working condition of the single pedal switch of automobile is opening state
State.
Preferably, the second determining module includes:
3rd determining unit, the working condition of the crawling function button for determining automobile;
4th determining unit, for when the working condition of the crawling function button is opening, according to the oil
Door pedal aperture, the motor speed, according to the between the initial output torque of gas pedal aperture, motor speed and motor
One predetermined correspondence table, determine the initial output torque of motor;Or
5th determining unit, for when the working condition of the crawling function button is closed mode, according to the oil
Door pedal aperture, the motor speed, according to the between the initial output torque of gas pedal aperture, motor speed and motor
Two predetermined correspondence tables, determine the initial output torque of motor;
Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are equal
When being zero, the initial output torque is not zero;
In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero
When, the initial output torque is zero.
Preferably, the described first predetermined correspondence table and the second predetermined correspondence table are at least two
Kind;
Wherein, in different first predetermined correspondence tables, corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of the initial output torque of motor is different;
In different second predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed
The numerical value of initial output torque is different.
Preferably, the second acquisition module includes:
Judging unit, the maximum allowable the output whether initial output torque for judging the motor is more than motor are turned round
Square;
4th determining unit, if for being more than, after the maximum allowable output torque is defined as into torque limit processing
The moment of torsion of acquisition;
5th determining unit, if for being less than or equal to, the initial output torque of the motor is defined as moment of torsion limit
The moment of torsion obtained after value processing.
Preferably, described device also includes:
3rd acquisition module, the braking deceleration for automobile;
Control module, for being more than preset deceleration angle value constantly in the braking deceleration, control vehicle brake lamp is opened.
The output torque controller of actuating of motor described in the embodiment of the present invention, it is the output torque control method with above-mentioned motor
Corresponding device, all implementations in the above method can also reach identical suitable for the embodiment of the device
Technique effect.Realize and acceleration mode or on-position are in by a brake pedal automobile, improve driver
Driving comfort performance, and, the safety traffic of vehicle can be ensured.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of automobile, including above-mentioned electricity
The output torque controller of actuating of machine.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (15)
- A kind of 1. output torque control method of motor, applied to entire car controller, it is characterised in that including:Determine the driving model of automobile;Gas pedal aperture and motor speed when the driving model for obtaining automobile is single pedal driving model;According to the gas pedal aperture and the motor speed, the initial output torque of motor is determined;Torque limit processing is carried out to the initial output torque of the motor, obtains the moment of torsion after carrying out torque limit processing, and Output.
- 2. the output torque control method of motor according to claim 1, it is characterised in that determine the driving model of automobile The step of include:Determine the working condition of the single pedal switch of automobile;Current shift and current failure state when the working condition for obtaining the single pedal switch of automobile is opening;When the current shift is predetermined gear and the current failure state is non-malfunction, the driving mould of automobile is determined Formula is single pedal driving model.
- 3. the output torque control method of motor according to claim 2, it is characterised in that determine that the single pedal of automobile is opened The step of working condition of pass, includes:Obtain the current shift and brake pedal aperture of automobile;When the current shift of automobile is predetermined gear and the brake pedal aperture is more than default opening value, the list of automobile is determined Pedal switch is in enabled state;Judge whether to receive the process signal that user operates single pedal switch when single pedal switch is in enabled state;If receive, it is determined that the working condition of the single pedal switch of automobile is opening.
- 4. the output torque control method of motor according to claim 1, it is characterised in that opened according to the gas pedal Degree and the motor speed, include the step of the initial output torque for determining motor:Determine the working condition of the crawling function button of automobile;When the working condition of the crawling function button is opening, turned according to the gas pedal aperture, the motor Speed, according to the first predetermined correspondence table between the initial output torque of gas pedal aperture, motor speed and motor, really Determine the initial output torque of motor;OrWhen the working condition of the crawling function button is closed mode, turned according to the gas pedal aperture, the motor Speed, according to the second predetermined correspondence table between the initial output torque of gas pedal aperture, motor speed and motor, really Determine the initial output torque of motor;Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are zero When, the initial output torque is not zero;In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero, institute It is zero to state initial output torque.
- 5. the output torque control method of motor according to claim 4, it is characterised in that the described first predetermined corresponding pass It is form and the second predetermined correspondence table is at least two;Wherein, in different first predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed Initial output torque numerical value it is different;In different second predetermined correspondence tables, motor is initial corresponding to identical gas pedal aperture and same motor rotating speed The numerical value of output torque is different.
- 6. the output torque control method of motor according to claim 1, it is characterised in that to the initial defeated of the motor Going out the step of moment of torsion carries out torque limit processing, obtains the moment of torsion after carrying out torque limit processing includes:Judge whether the initial output torque of the motor is more than the maximum allowable output torque of motor;If being more than, the maximum allowable output torque is defined as the moment of torsion that obtains after torque limit processing;If being less than or equal to, the initial output torque of the motor is defined as the moment of torsion that obtains after torque limit processing.
- 7. the output torque control method of motor according to claim 1, it is characterised in that methods described also includes:Obtain the braking deceleration of automobile;When the braking deceleration is more than preset deceleration angle value, control vehicle brake lamp is opened.
- A kind of 8. output torque controller of actuating of motor, applied to entire car controller, it is characterised in that including:First determining module, for determining the driving model of automobile;First acquisition module, gas pedal aperture and motor when the driving model for obtaining automobile is single pedal driving model Rotating speed;Second determining module, for according to the gas pedal aperture and the motor speed, determining that the initial output of motor is turned round Square;Second acquisition module, for carrying out torque limit processing to the initial output torque of the motor, obtain and carry out moment of torsion limit Moment of torsion after value processing, and export.
- 9. the output torque controller of actuating of motor according to claim 8, it is characterised in that the first determining module includes:First determining unit, the working condition that the single pedal for determining automobile switchs;First acquisition unit, for obtaining the current shift when working condition of single pedal switch of automobile is opening and working as Prior fault state;Second determining unit, for being predetermined gear in the current shift and the current failure state is non-malfunction When, the driving model for determining automobile is single pedal driving model.
- 10. the output torque controller of actuating of motor according to claim 9, it is characterised in that the first determining unit includes:First obtains subelement, for obtaining the current shift and brake pedal aperture of automobile;First determination subelement, it is more than default open for the current shift in automobile for predetermined gear and the brake pedal aperture During angle value, determine that the single pedal switch of automobile is in enabled state;Judgment sub-unit, progress is switched to single pedal for judging whether to receive user when single pedal switch is in enabled state The process signal of operation;Second determination subelement, if for receiving, it is determined that the working condition of the single pedal switch of automobile is opening.
- 11. the output torque controller of actuating of motor according to claim 8, it is characterised in that the second determining module includes:3rd determining unit, the working condition of the crawling function button for determining automobile;4th determining unit, for when the working condition of the crawling function button is opening, being stepped on according to the throttle Plate aperture, the motor speed, it is pre- according to first between the initial output torque of gas pedal aperture, motor speed and motor Determine correspondence table, determine the initial output torque of motor;Or5th determining unit, for when the working condition of the crawling function button is closed mode, being stepped on according to the throttle Plate aperture, the motor speed, it is pre- according to second between the initial output torque of gas pedal aperture, motor speed and motor Determine correspondence table, determine the initial output torque of motor;Wherein, in the described first predetermined correspondence table, when the gas pedal aperture and the motor speed are zero When, the initial output torque is not zero;In the described second predetermined correspondence table, when the gas pedal aperture and the motor speed are zero, institute It is zero to state initial output torque.
- 12. the output torque controller of actuating of motor according to claim 11, it is characterised in that described first is predetermined corresponding Related table and the second predetermined correspondence table are at least two;Wherein, in different first predetermined correspondence tables, motor corresponding to identical gas pedal aperture and same motor rotating speed Initial output torque numerical value it is different;In different second predetermined correspondence tables, motor is initial corresponding to identical gas pedal aperture and same motor rotating speed The numerical value of output torque is different.
- 13. the output torque controller of actuating of motor according to claim 8, it is characterised in that the second acquisition module includes:Judging unit, for judging whether the initial output torque of the motor is more than the maximum allowable output torque of motor;4th determining unit, if for being more than, obtained after the maximum allowable output torque is defined as into torque limit processing Moment of torsion;5th determining unit, if for being less than or equal to, the initial output torque of the motor is defined as at torque limit The moment of torsion obtained after reason.
- 14. the output torque controller of actuating of motor according to claim 8, it is characterised in that described device also includes:3rd acquisition module, for obtaining the braking deceleration of automobile;Control module, for when the braking deceleration is more than preset deceleration angle value, control vehicle brake lamp to be opened.
- A kind of 15. automobile, it is characterised in that the output torque control dress including the motor described in any one of claim 8 to 14 Put.
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CN201710762853.2A CN107627901B (en) | 2017-08-30 | 2017-08-30 | Output torque control method and device of motor and automobile |
PCT/CN2018/100630 WO2019042129A1 (en) | 2017-08-30 | 2018-08-15 | Method and device for controlling output torque of electric motor, and automobile |
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