CN111439135A - Electric vehicle handle rotating control method and system - Google Patents
Electric vehicle handle rotating control method and system Download PDFInfo
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- CN111439135A CN111439135A CN202010348706.2A CN202010348706A CN111439135A CN 111439135 A CN111439135 A CN 111439135A CN 202010348706 A CN202010348706 A CN 202010348706A CN 111439135 A CN111439135 A CN 111439135A
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- 238000004590 computer program Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
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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
- B60L15/209—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 for overtaking
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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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a method and a system for controlling a rotating handle of an electric vehicle, wherein the method comprises the following steps: s101, judging whether the operation of a user on the handle is normal driving operation or overtaking operation; s102, if the judgment result of the step S101 is normal driving operation, outputting power according to a set normal mode; and S103, if the judgment result in the step S101 is the overtaking operation, setting acceleration according to the capacity of the battery of the electric vehicle, and completing the overtaking of the handle. The invention can accurately judge whether the user is in normal driving operation or overtaking operation according to the rotating action of the user on the electric vehicle rotating handle, if the user is in normal driving operation, the power is output according to the set normal mode, and if the user is in overtaking operation, the acceleration is set according to the capacity of the electric vehicle battery, so that the overtaking of the handle is completed. The invention can more effectively utilize the discharge performance of the battery and increase the driving operation pleasure of the electric vehicle.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a method and a system for controlling a rotating handle of an electric vehicle.
Background
Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles, and generally, electric vehicles convert electric energy into mechanical energy to move by using a battery as an energy source through components such as a controller and a motor, so as to control the output of energy and change the speed and torque of the vehicle. The electric vehicle controller is used for controlling the starting, running, advancing and retreating, speed and stopping of the electric vehicle motor and is a core component of the electric vehicle. At present, electric vehicles mainly include electric bicycles, electric two-wheeled motorcycles, electric tricycles, electric quadricycles, battery cars, and the like. However, the conventional electric vehicle has no overtaking function, or switches the overtaking function by setting an overtaking key, and cannot realize the overtaking function similar to the overtaking key by rotating the handle control per se, so that the requirement of a user on driving pleasure cannot be met.
Disclosure of Invention
The invention aims to solve the problems mentioned in the background technology part by using a control method and a control system for a rotating handle of an electric vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method for a rotating handle of an electric vehicle comprises the following steps:
s101, judging whether the operation of the user on the handle is Normal driving (Normal) operation or overtaking (Fast) operation;
s102, if the judgment result of the step S101 is normal driving operation, outputting power according to a set normal mode;
and S103, if the judgment result in the step S101 is the overtaking operation, setting acceleration according to the capacity of the battery of the electric vehicle, and completing the overtaking of the handle.
In particular, the step S101 further includes, before: presetting an initial voltage V0 and a voltage difference parameter N, wherein the initial voltage V0 and the voltage difference parameter N can be changed as required.
Specifically, the step S101 specifically includes: and detecting a handle voltage V1 at the position where the handle is rotated by the user, judging whether the difference value between the handle voltage V1 and the initial voltage V0 is greater than a voltage difference value parameter N, if not, judging that the operation of the handle by the user is normal driving operation, and if so, judging that the operation of the handle by the user is overtaking operation.
Specifically, the step S102 specifically includes: if the judgment result of the step S101 is normal driving operation, the output power corresponding to the initial voltage V0 is output to the electric vehicle motor, and after the reference time is exceeded, the step S101 is executed again.
Specifically, the step S103 specifically includes: and if the judgment result in the step S101 is the overtaking operation, multiplying the output power corresponding to the initial voltage V0 by the overtaking coefficient to obtain the power serving as the overtaking power, outputting the power to the motor of the electric vehicle to finish the overtaking of the handle, and returning to execute the step S101 after the reference time is exceeded.
In particular, the step S101 further includes: and detecting whether the user rotates the handle for the second time continuously within the preset time, and if so, judging that the operation of the user on the handle is overtaking operation.
Based on the electric vehicle handle-rotating control method, the invention also provides an electric vehicle handle-rotating control system, which comprises a driving mode judging unit, a normal driving unit and an overtaking driving unit;
the driving mode judging unit is used for judging whether the operation of the user on the handle is normal driving operation or overtaking operation;
the normal driving unit is used for outputting power according to a set normal mode when the judgment result of the driving mode judgment unit is normal driving operation;
and the overtaking driving unit is used for setting acceleration control according to the capacity of the battery of the electric vehicle when the judgment result of the driving mode judging unit is overtaking operation so as to finish handle overtaking.
Particularly, the electric vehicle twist grip control system further comprises a parameter setting unit, wherein the parameter setting unit is used for presetting an initial voltage V0 and a voltage difference parameter N, and the initial voltage V0 and the voltage difference parameter N can be changed as required.
Particularly, the driving mode determining unit is specifically configured to detect a handlebar voltage V1 at a position where the handlebar is rotated by the user, determine whether a difference between the handlebar voltage V1 and the initial voltage V0 is greater than a voltage difference parameter N, determine that the operation of the user on the handlebar is a normal driving operation if the determination result is no, and determine that the operation of the user on the handlebar is a passing operation if the determination result is yes.
Specifically, the normal driving unit is configured to output the output power corresponding to the initial voltage V0 to the electric vehicle motor when the judgment result of the driving mode judgment unit is the normal driving operation, and the driving mode judgment unit is activated after the reference time is exceeded.
Particularly, the overtaking driving unit is used for multiplying the output power corresponding to the initial voltage V0 by the overtaking coefficient to obtain the power as the overtaking power when the judgment result of the driving mode judging unit is the overtaking operation, outputting the power to the motor of the electric vehicle to finish the overtaking of the handle, and enabling the driving mode judging unit to act after the reference time is exceeded.
Particularly, the driving mode determining unit is further configured to detect whether the user continuously rotates the secondary handle within a preset time, and if so, determine that the operation of the user on the secondary handle is a passing operation.
The electric vehicle handle control method and the electric vehicle handle control system can accurately judge whether the user is in normal driving operation or overtaking operation according to the rotating action of the user on the electric vehicle handle, if the user is in normal driving operation, power is output according to a set normal mode, and if the user is in overtaking operation, acceleration is set according to the capacity of the electric vehicle battery, so that handle overtaking is completed. The invention can more effectively utilize the discharge performance of the battery and increase the driving operation pleasure of the electric vehicle.
Drawings
Fig. 1 is a schematic diagram of a connection relationship between a motor, a motor controller and a rotating handle according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a control method for a rotating handle of an electric vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic table showing the initial voltage V0 and the voltage difference parameter N according to the embodiment of the present invention;
fig. 4 is a schematic diagram of output power/time under normal driving and overtaking provided by the embodiment of the invention.
Detailed Description
The invention is further illustrated by the following figures and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It is also to be noted that, for the convenience of description, only a part of the contents, not all of the contents, which are related to the present invention, are shown in the drawings, and unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a connection relationship between a motor, a motor controller, and a rotating handle according to an embodiment of the present invention. When the motor controller detects different input voltages, the motor controller can control the output of different powers. The motor controller comprises an A/D (analog/digital) detector, and can output different power requirements by utilizing the input handle voltage; the electric vehicle handle is a Hall sensor, different magnetic fields are used for generating counter electromotive force, and the motor controller can detect the counter electromotive force and output different powers to the electric vehicle motor, so that different powers are provided.
Based on the above-mentioned relationship among the motor, the motor controller, and the handle, the present embodiment provides a method for controlling a handle of an electric vehicle, as shown in fig. 2, the method specifically includes: s101, judging whether the operation of the user on the handle is Normal driving (Normal) operation or overtaking (Fast) operation. And S102, if the judgment result in the step S101 is normal driving operation, outputting power according to a set normal mode. And S103, if the judgment result in the step S101 is the overtaking operation, setting acceleration according to the capacity of the battery of the electric vehicle, and completing the overtaking of the handle.
Specifically, in this embodiment, before the step S101, the method further includes: an initial voltage V0 and a voltage difference parameter N are preset, wherein the initial voltage V0 and the voltage difference parameter N may be changed as needed, as shown in fig. 3, and fig. 3 is a schematic table corresponding to the initial voltage V0 and the voltage difference parameter N provided by the embodiment of the present invention.
Specifically, in this embodiment, the step S101 specifically includes: and detecting a handle voltage V1 at the position where the handle is rotated by the user, judging whether the difference value between the handle voltage V1 and the initial voltage V0 is greater than a voltage difference value parameter N, if not, judging that the operation of the handle by the user is normal driving operation, and if so, judging that the operation of the handle by the user is overtaking operation.
Specifically, in this embodiment, the step S102 specifically includes: if the judgment result of the step S101 is normal driving operation, the output power corresponding to the initial voltage V0 is output to the electric vehicle motor, and after the reference time is exceeded, the step S101 is executed again.
Specifically, in this embodiment, the step S103 specifically includes: and if the judgment result in the step S101 is the overtaking operation, multiplying the output power corresponding to the initial voltage V0 by the overtaking coefficient to obtain the power serving as the overtaking power, outputting the power to the motor of the electric vehicle to finish the overtaking of the handle, and returning to execute the step S101 after the reference time is exceeded. As shown in fig. 4, fig. 4 is a schematic diagram of output power/time under normal driving and overtaking provided by the embodiment of the present invention, and the change of the output power under normal driving and overtaking can be obviously compared. It should be noted that, in the present embodiment, the overtaking coefficient is exemplarily set to 1.2, but is not limited thereto, and the system may be adjusted as needed. In the embodiment, the main chip of the motor controller is used for illustration, external time reference exists, and the invention utilizes the reference time plus the voltage change of the rotating handle to complete the handle overtaking function.
Specifically, in this embodiment, in the step S101, it may be further determined that the operation of the user on the turning handle is the overtaking operation by detecting whether the user turns the secondary handle continuously within a preset time, and if so, the size of the preset time may be determined through a specific experiment; it should be noted that, in practical applications, the manner of determining whether the user is the overtaking operation through the handle turning operation is not limited to the manner provided in the embodiment, and any scheme that realizes the switching between the normal driving mode and the overtaking mode through the handle turning is within the protection scope of the present invention.
The invention adds a time detection to the handle control, and can make different power output conditions. The invention can effectively utilize the discharge capacity of the battery; the battery specification has the capability of releasing large current in a short time, so the invention can use the characteristic to release the capability of the battery instantly without damaging the battery.
Based on the electric vehicle handle control method provided by the embodiment, the embodiment provides an electric vehicle handle control system, which comprises a driving mode judging unit, a normal driving unit and an overtaking driving unit; the driving mode judging unit is used for judging whether the operation of the user on the handle is normal driving operation or overtaking operation; the normal driving unit is used for outputting power according to a set normal mode when the judgment result of the driving mode judgment unit is normal driving operation; and the overtaking driving unit is used for setting acceleration control according to the capacity of the battery of the electric vehicle when the judgment result of the driving mode judging unit is overtaking operation so as to finish handle overtaking.
In this embodiment, the electric vehicle twist grip control system further includes a parameter setting unit, where the parameter setting unit is configured to preset an initial voltage V0 and a voltage difference parameter N, where the initial voltage V0 and the voltage difference parameter N may be changed as needed. In this embodiment, the driving mode determining unit is specifically configured to detect a handlebar voltage V1 at a position where the handlebar is rotated by the user, determine whether a difference between the handlebar voltage V1 and the initial voltage V0 is greater than a voltage difference parameter N, determine that the operation of the handlebar by the user is a normal driving operation if the difference is negative, and determine that the operation of the handlebar by the user is a passing operation if the difference is positive. In the embodiment, the normal driving unit is configured to output the output power corresponding to the initial voltage V0 to the electric vehicle motor when the judgment result of the driving mode judging unit is the normal driving operation, and the driving mode judging unit is activated after the reference time is exceeded. In this embodiment, the overtaking driving unit is configured to, when the determination result of the driving mode determining unit is the overtaking operation, multiply the output power corresponding to the initial voltage V0 by the overtaking coefficient to obtain power, which is output to the electric vehicle motor to complete the handle overtaking, and the driving mode determining unit operates after the reference time is exceeded.
Specifically, in this embodiment, the driving mode determining unit may further determine that the operation of the user on the turning handle is the overtaking operation by detecting whether the user turns the secondary handle continuously within a preset time, and if so, determine that the operation of the user on the turning handle is the overtaking operation, where the preset time may be determined through a specific experiment; it should be noted that the manner for determining whether the user is the passing operation or not through the handle turning operation in the specific application is not limited to the manner provided in the embodiment, and any scheme that realizes the switching between the normal driving mode and the passing mode through the handle turning is within the protection scope of the present invention.
The technical scheme of the invention can accurately judge whether the user is in normal driving operation or overtaking operation according to the rotating action of the user on the electric vehicle rotating handle, if the user is in normal driving operation, the power is output according to a set normal mode, and if the user is in overtaking operation, the acceleration is set according to the capacity of the electric vehicle battery, so that the handle overtaking is completed. The invention can more effectively utilize the discharge performance of the battery and increase the driving operation pleasure of the electric vehicle.
It will be understood by those skilled in the art that all or part of the above embodiments may be implemented by the computer program to instruct the relevant hardware, and the program may be stored in a computer readable storage medium, and when executed, may include the procedures of the embodiments of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory or a random access memory.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A control method for a rotating handle of an electric vehicle is characterized by comprising the following steps:
s101, judging whether the operation of a user on the handle is normal driving operation or overtaking operation;
s102, if the judgment result of the step S101 is normal driving operation, outputting power according to a set normal mode;
and S103, if the judgment result in the step S101 is the overtaking operation, setting acceleration according to the capacity of the battery of the electric vehicle, and completing the overtaking of the handle.
2. The electric vehicle twist grip control method according to claim 1, wherein said step S101 is preceded by: presetting an initial voltage V0 and a voltage difference parameter N, wherein the initial voltage V0 and the voltage difference parameter N can be changed as required; the step S101 specifically includes: and detecting the handle voltage V1 at the position where the handle is rotated by the user, judging whether the difference value between the handle voltage V1 and the initial voltage V0 is greater than a voltage difference value parameter N, if not, judging that the operation of the handle by the user is normal driving operation, and if so, judging that the operation of the handle by the user is overtaking operation.
3. The electric vehicle handle turning control method according to claim 2, wherein the step S102 specifically comprises: if the judgment result of the step S101 is normal driving operation, the output power corresponding to the initial voltage V0 is output to the electric vehicle motor, and after the reference time is exceeded, the step S101 is executed again.
4. The electric vehicle handle turning control method according to claim 3, wherein the step S103 specifically comprises: and if the judgment result in the step S101 is the overtaking operation, multiplying the output power corresponding to the initial voltage V0 by the overtaking coefficient to obtain the power serving as the overtaking power, outputting the power to the motor of the electric vehicle to finish the overtaking of the handle, and returning to execute the step S101 after the reference time is exceeded.
5. The handle bar control method for electric vehicle as claimed in claim 1, wherein the step S101 further comprises: and detecting whether the user rotates the handle for the second time continuously within the preset time, and if so, judging that the operation of the user on the handle is overtaking operation.
6. A handle control system of an electric vehicle is characterized by comprising a driving mode judging unit, a normal driving unit and an overtaking driving unit;
the driving mode judging unit is used for judging whether the operation of the user on the handle is normal driving operation or overtaking operation;
the normal driving unit is used for outputting power according to a set normal mode when the judgment result of the driving mode judgment unit is normal driving operation;
and the overtaking driving unit is used for setting acceleration control according to the capacity of the battery of the electric vehicle when the judgment result of the driving mode judging unit is overtaking operation so as to finish handle overtaking.
7. The electric vehicle twist grip control system according to claim 6, further comprising a parameter setting unit, wherein the parameter setting unit is used for presetting an initial voltage V0 and a voltage difference parameter N, and the initial voltage V0 and the voltage difference parameter N can be changed as required; the driving mode judging unit is specifically configured to detect a handlebar voltage V1 at a position where the handlebar is rotated by the user, judge whether a difference between the handlebar voltage V1 and the initial voltage V0 is greater than a voltage difference parameter N, judge that the operation of the handlebar by the user is a normal driving operation if the judgment result is no, and judge that the operation of the handlebar by the user is a passing operation if the judgment result is yes.
8. The electric vehicle handle turning control system according to claim 7, wherein the normal driving unit is configured to output the output power corresponding to the initial voltage V0 to the electric vehicle motor when the judgment result of the driving mode judging unit is the normal driving operation, and the driving mode judging unit is operated after the reference time is exceeded.
9. The handle bar control system for electric vehicle of claim 8, wherein the overtaking driving unit is configured to, when the judgment result of the driving mode judging unit is the overtaking operation, output power obtained by multiplying the output power corresponding to the initial voltage V0 by the overtaking coefficient to the electric vehicle motor as the overtaking power, complete the handle overtaking, and the driving mode judging unit is operated after the reference time is exceeded.
10. The electric vehicle handle turning control system as claimed in claim 6, wherein the driving mode determining unit is further configured to detect whether the user turns the handle twice continuously within a preset time, and if so, determine that the operation of the user on the handle is the overtaking operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010348706.2A CN111439135A (en) | 2020-04-28 | 2020-04-28 | Electric vehicle handle rotating control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010348706.2A CN111439135A (en) | 2020-04-28 | 2020-04-28 | Electric vehicle handle rotating control method and system |
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