CN115107914A - Anti-skid body stabilization system and method for electric vehicle - Google Patents
Anti-skid body stabilization system and method for electric vehicle Download PDFInfo
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- CN115107914A CN115107914A CN202210639232.6A CN202210639232A CN115107914A CN 115107914 A CN115107914 A CN 115107914A CN 202210639232 A CN202210639232 A CN 202210639232A CN 115107914 A CN115107914 A CN 115107914A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/10—Indicating wheel slip ; Correction of wheel slip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/412—Speed sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
- B62J45/423—Sensor arrangements; Mounting thereof characterised by mounting on or besides the wheel
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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
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides an anti-skid vehicle body stabilizing system and method of an electric vehicle, comprising the following steps: the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean and sending the changed first voltage signal to the controller; the Hall sensor is used for identifying a changed second voltage signal when passing through the magnetic steel in the motor and sending the changed second voltage signal to the controller; the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel based on the varied second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the driven wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; if not, the electric vehicle normally runs; the driving stability of the whole vehicle can be ensured, and the driving safety and the user experience of a user are improved.
Description
Technical Field
The invention relates to the technical field of electric vehicle control, in particular to an anti-skid vehicle body stabilizing system and method of an electric vehicle.
Background
At present, electric vehicles (electric bicycles) are deeply popular with the majority of users. When the common electric vehicle runs in rainy and snowy weather or runs on a running road with small friction, the electric vehicle can enable the driving wheel to slip on a smooth road under the conditions of starting, running or accelerating, and the life safety of a user can be threatened at the moment, so that the user experience is poor.
Disclosure of Invention
In view of this, the present invention provides a system and a method for stabilizing an anti-skid body of an electric vehicle, so as to solve the problem of skidding of the electric vehicle on a smooth road surface, ensure the driving stability of the entire vehicle, and improve the driving safety and user experience of a user.
In a first aspect, an embodiment of the present invention provides an anti-skid body stabilization system for an electric vehicle, the system including: the speed detection device is arranged on the outer side of a follow-up wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle;
the speed detection device and the Hall sensor are respectively connected with the controller;
the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean, and sending the changed first voltage signal to the controller;
the Hall sensor is used for identifying a changed second voltage signal when passing through magnetic steel in the motor and sending the changed second voltage signal to the controller;
the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel from the varying second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the follow-up wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; and if not, the electric vehicle runs normally.
Further, the controller is configured to compare the speed of the driving wheel with the speed of the follower wheel; if the speed of the driving wheel is greater than the speed of the follow-up wheel, the electric vehicle is in the slipping state; and if the speed of the driving wheel is not more than that of the driven wheel, the electric vehicle is in a normal state.
Further, the controller is configured to calculate the condition parameter according to the following formula:
the condition parameter is (V1-V2)/V2 x 100%
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
Further, the controller is configured to perform power limitation on the driving wheel when the condition parameter is greater than a preset parameter threshold; and when the condition parameter is not greater than the preset parameter threshold value, the electric vehicle normally runs.
Furthermore, the induction magnetic beans are installed on the follow-up wheel, the hall sensor is fixed on the inner side of the front fork hydraulic shock absorption of the driving wheel, and the installation position of the hall sensor is overlapped with that of the induction magnetic beans.
In a second aspect, an embodiment of the present invention provides an anti-skid vehicle body stabilizing method for an electric vehicle, which is applied to the anti-skid vehicle body stabilizing system for an electric vehicle as described above, the system including: the speed detection device is arranged on the outer side of a follow-up wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle; the method comprises the following steps:
when the induction magnetic beans pass through, the speed detection device identifies a changed first voltage signal and sends the changed first voltage signal to the controller;
when the voltage signal passes through the magnetic steel in the motor, the Hall sensor identifies a changed second voltage signal and sends the changed second voltage signal to the controller;
the controller determines the speed of the follower wheel according to the varied first voltage signal;
determining a speed of the drive wheel from the varying second voltage signal;
judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the follow-up wheel;
if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel;
judging whether the condition parameters meet power limiting conditions or not;
if so, performing power limitation on the driving wheel;
and if not, the electric vehicle runs normally.
Further, judging whether the electric vehicle is in a slipping state according to the speed of the driving wheel and the speed of the follow-up wheel comprises:
comparing the speed of the drive wheel with the speed of the follower wheel;
if the speed of the driving wheel is greater than the speed of the follow-up wheel, the electric vehicle is in the slipping state;
and if the speed of the driving wheel is not more than that of the follow-up wheel, the electric vehicle is in a normal state.
Further, obtaining a condition parameter according to the speed of the driving wheel and the speed of the driven wheel includes:
calculating the condition parameter according to the following formula:
the condition parameter is (V1-V2)/V2 x 100%
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program operable on the processor, and the processor implements the method described above when executing the computer program.
In a fourth aspect, embodiments of the invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides an anti-skid vehicle body stabilizing system and method of an electric vehicle, which comprises the following steps: the speed detection device is arranged on the outer side of a driven wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle; the speed detection device and the Hall sensor are respectively connected with the controller; the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean and sending the changed first voltage signal to the controller; the Hall sensor is used for identifying a changed second voltage signal when passing through the magnetic steel in the motor and sending the changed second voltage signal to the controller; the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel based on the varied second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the driven wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; if not, the electric vehicle normally runs; the problem that the electric motor car skids on glossy road surface is solved in this application, guarantees the stability that whole car went, improves user's driving safety and user experience.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an anti-skid body stabilization system of an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the position of the induced magnetic beam on the follower wheel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a position of a speed detection device according to an embodiment of the present invention;
fig. 4 is a top view of an anti-skid body stabilization system of an electric vehicle according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for stabilizing an anti-skid body of an electric vehicle according to a second embodiment of the present invention.
Icon:
1-speed detection means; 2-a hall sensor; 3-a controller; 4-induction of magnetic beans.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic view of an anti-skid body stabilizing system of an electric vehicle according to an embodiment of the present invention.
Referring to fig. 1, the system includes: the device comprises a speed detection device 1, a Hall sensor 2 and a controller 3, wherein the speed detection device 1 is arranged outside a driven wheel of the electric vehicle, and the Hall sensor 2 is arranged on a driving wheel of the electric vehicle;
the speed detection device 1 and the Hall sensor 2 are respectively connected with the controller 3;
the speed detection device 1 is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean and sending the changed first voltage signal to the controller 3;
the Hall sensor 2 is used for identifying a changed second voltage signal when passing through the magnetic steel in the motor and sending the changed second voltage signal to the controller 3;
here, when a gear or a twist grip combination or the like is selected to enter a setting mode, the electric vehicle is in a driving state at this time; on an energized semiconductor wafer, a magnetic field b (induction magnetic flux) is applied perpendicular to the surface of the semiconductor wafer, a voltage appears across the lateral sides of the wafer, and the controller 3 supplies operating voltages to the semiconductor wafer through the wires and recognizes the changing voltage signal. That is, the speed detecting device 1 recognizes the first voltage signal that changes once every time it passes through the induction magnetic beads, and the controller 3 recognizes the number of times of change of the first voltage signal that changes, thereby determining the wheel speed of the follower wheel.
When the hall sensor 2 passes through the magnetic steel in the motor every time, the second voltage signal which changes once can be identified, and the controller 3 identifies the change times of the second voltage signal which changes once, so that the speed of the driving wheel is judged.
A controller 3 for determining the speed of the follower wheel from the varying first voltage signal; determining a speed of the drive wheel based on the varied second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the driven wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; if not, the electric vehicle runs normally.
In this embodiment, after the controller 3 determines the speed of the driving wheel and the speed of the driven wheel, the controller 3 determines whether the electric vehicle is in a slipping state according to the speed difference between the speed of the driving wheel and the speed of the driven wheel; if so, obtaining condition parameters according to the speed of the driving wheel and the speed of the driven wheel; judging whether the condition parameters meet power limiting conditions or not; if the requirements are met, power limitation is carried out on the driving wheel, so that the stability of the whole vehicle is ensured; if not, the electric vehicle runs normally.
Further, a controller 3 for comparing the speed of the driving wheel with the speed of the following wheel; if the speed of the driving wheel is greater than that of the driven wheel, the electric vehicle is in a slipping state; if the speed of the driving wheel is not more than that of the driven wheel, the electric vehicle is in a normal state.
Here, when the speed V1 of the drive wheel and the speed V2 of the follower wheel are compared, and V2 needs to be larger than a set threshold value, V1 and V2 can be compared.
Further, the controller 3 is configured to calculate a condition parameter according to formula (1):
condition parameter (V1-V2)/V2 100% (1)
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
Further, the controller 3 is used for limiting the power of the driving wheel when the condition parameter is larger than a preset parameter threshold; and when the condition parameter is not greater than the preset parameter threshold value, the electric vehicle normally runs.
Furthermore, the induction magnetic beans are installed on the follow-up wheel, the Hall sensor 2 is fixed on the inner side of the front fork hydraulic shock absorption of the driving wheel, and the installation position of the Hall sensor coincides with the installation position of the induction magnetic beans.
Specifically, referring to fig. 2, the induction magnetic beans 4 are provided on the follower wheel; the installation mode of the speed detection device 1 is shown in fig. 3; a plan view of the anti-skid body stabilization system of the electric vehicle is shown in fig. 4. In addition, in order to ensure the success rate of scanning, at least two or more induction magnetic beans 4 need to be installed.
The embodiment of the invention provides an anti-skid vehicle body stabilizing system of an electric vehicle, which comprises: the speed detection device is arranged on the outer side of a driven wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle; the speed detection device and the Hall sensor are respectively connected with the controller; the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean and sending the changed first voltage signal to the controller; the Hall sensor is used for identifying a changed second voltage signal when passing through the magnetic steel in the motor and sending the changed second voltage signal to the controller; the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel based on the varied second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the driven wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; if not, the electric vehicle normally runs; the problem that the electric motor car skids on glossy road surface is solved in this application, guarantees the stability that whole car went, improves user's driving safety and user experience.
Example two:
fig. 5 is a flowchart of a method for stabilizing an anti-skid body of an electric vehicle according to a second embodiment of the present invention.
Referring to fig. 5, the anti-skid vehicle body stabilization system applied to the electric vehicle as described above includes: the speed detection device is arranged on the outer side of a driven wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle; the method comprises the following steps:
step S101, when the induction magnetic beans pass through, the speed detection device identifies a changed first voltage signal and sends the changed first voltage signal to the controller;
step S102, when passing through the magnetic steel in the motor, the Hall sensor identifies a changed second voltage signal and sends the changed second voltage signal to the controller;
step S103, the controller determines the speed of the follow-up wheel according to the changed first voltage signal;
step S104, determining the speed of the driving wheel according to the changed second voltage signal;
step S105, judging whether the electric vehicle is in a slipping state according to the speed of the driving wheel and the speed of the driven wheel; if yes, go to step S106; if not, continuing to execute the step S101;
step S106, obtaining condition parameters according to the speed of the driving wheel and the speed of the driven wheel;
step S107, judging whether the condition parameters meet power limiting conditions; if yes, executing step S108; if not, go to step S109;
step S108, limiting the power of the driving wheel;
and step S109, normally driving the electric vehicle.
Further, step S105 includes the steps of:
step S201, comparing the speed of the driving wheel with the speed of the driven wheel;
step S202, if the speed of the driving wheel is greater than that of the driven wheel, the electric vehicle is in a slipping state;
and step S203, if the speed of the driving wheel is not more than that of the driven wheel, the electric vehicle is in a normal state.
Further, step S106 includes:
calculating a condition parameter according to equation (1):
condition parameter (V1-V2)/V2 100% (1)
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
The embodiment of the invention provides an anti-skid vehicle body stabilizing method of an electric vehicle, which comprises the following steps: the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean and sending the changed first voltage signal to the controller; the Hall sensor is used for identifying a changed second voltage signal when passing through the magnetic steel in the motor and sending the changed second voltage signal to the controller; the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel based on the varied second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the driven wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; if not, the electric vehicle normally runs; the problem that the electric motor car skids on glossy road surface is solved in this application, guarantees the stability that whole car went, improves user's driving safety and user experience.
The embodiment of the invention further provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the computer program to realize the steps of the anti-skid body stabilizing method of the electric vehicle provided by the embodiment.
Embodiments of the present invention also provide a computer readable medium having non-volatile program codes executable by a processor, where the computer readable medium has a computer program stored thereon, and the computer program is executed by the processor to perform the steps of the anti-skid vehicle body stabilization method for an electric vehicle according to the above embodiments.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An anti-skid body stabilization system for an electric vehicle, the system comprising: the speed detection device is arranged on the outer side of a follow-up wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle;
the speed detection device and the Hall sensor are respectively connected with the controller;
the speed detection device is used for identifying a changed first voltage signal when the induction magnetic bean passes through the induction magnetic bean, and sending the changed first voltage signal to the controller;
the Hall sensor is used for identifying a changed second voltage signal when passing through magnetic steel in the motor and sending the changed second voltage signal to the controller;
the controller is used for determining the speed of the follow-up wheel according to the changed first voltage signal; determining a speed of the drive wheel from the varying second voltage signal; judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the follow-up wheel; if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel; judging whether the condition parameters meet power limiting conditions or not; if so, performing power limitation on the driving wheel; and if not, the electric vehicle runs normally.
2. The anti-skid vehicle body stabilization system of an electric vehicle according to claim 1, wherein the controller compares the speed of the driving wheel with the speed of the follower wheel; if the speed of the driving wheel is greater than the speed of the follow-up wheel, the electric vehicle is in the slipping state; and if the speed of the driving wheel is not more than that of the follow-up wheel, the electric vehicle is in a normal state.
3. The anti-skid body stabilization system for electric vehicles according to claim 1, wherein said controller is configured to calculate said condition parameter according to the following formula:
the condition parameter is (V1-V2)/V2 x 100%
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
4. The anti-skid vehicle body stabilization system of an electric vehicle according to claim 3, wherein said controller is configured to power-limit said driving wheel when said condition parameter is greater than a preset parameter threshold; and when the condition parameter is not greater than the preset parameter threshold value, the electric vehicle normally runs.
5. The anti-skid vehicle body stabilization system of an electric vehicle according to claim 1, wherein the induction magnetic bean is mounted on the follower wheel, the hall sensor is fixed inside a front fork hydraulic shock absorber of the driving wheel, and a mounting position of the hall sensor coincides with a mounting position of the induction magnetic bean.
6. An anti-skid vehicle body stabilization method of an electric vehicle, characterized by being applied to the anti-skid vehicle body stabilization system of the electric vehicle of any one of claims 1 to 5, the system comprising: the speed detection device is arranged on the outer side of a follow-up wheel of the electric vehicle, and the Hall sensor is arranged on a driving wheel of the electric vehicle; the method comprises the following steps:
when the induction magnetic beans pass through, the speed detection device identifies a changed first voltage signal and sends the changed first voltage signal to the controller;
when the voltage signal passes through the magnetic steel in the motor, the Hall sensor identifies a changed second voltage signal and sends the changed second voltage signal to the controller;
the controller determines the speed of the follower wheel according to the varied first voltage signal;
determining a speed of the drive wheel from the varying second voltage signal;
judging whether the electric vehicle is in a slipping state or not according to the speed of the driving wheel and the speed of the follow-up wheel;
if yes, obtaining a condition parameter according to the speed of the driving wheel and the speed of the follow-up wheel;
judging whether the condition parameters meet power limiting conditions or not;
if so, performing power limitation on the driving wheel;
and if not, the electric vehicle runs normally.
7. The anti-skid vehicle body stabilization method of an electric vehicle according to claim 6, wherein determining whether the electric vehicle is in a skid state according to the speed of the driving wheel and the speed of the following wheel comprises:
comparing the speed of the drive wheel with the speed of the follower wheel;
if the speed of the driving wheel is greater than that of the driven wheel, the electric vehicle is in the slipping state;
and if the speed of the driving wheel is not more than that of the follow-up wheel, the electric vehicle is in a normal state.
8. The anti-skid vehicle body stabilization method of an electric vehicle according to claim 6, wherein obtaining a condition parameter based on the speed of the driving wheel and the speed of the following wheel comprises:
calculating the condition parameter according to the following formula:
the condition parameter is (V1-V2)/V2 x 100%
Where V1 is the speed of the drive wheel and V2 is the speed of the follower wheel.
9. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor implements the method of any of the preceding claims 6 to 8 when executing the computer program.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210639232.6A CN115107914B (en) | 2022-06-07 | 2022-06-07 | Anti-skid vehicle body stabilization system and method for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210639232.6A CN115107914B (en) | 2022-06-07 | 2022-06-07 | Anti-skid vehicle body stabilization system and method for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN115107914A true CN115107914A (en) | 2022-09-27 |
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| CN207000726U (en) * | 2017-07-20 | 2018-02-13 | 苏州八方电机科技有限公司 | A kind of double managing devices that test the speed on electric bicycle |
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| CN110466358A (en) * | 2019-07-03 | 2019-11-19 | 江苏金坛绿能新能源科技有限公司 | A kind of electric car anti-skid control method and its Full Vehicle System |
| CN112109557A (en) * | 2019-06-20 | 2020-12-22 | 长城汽车股份有限公司 | Method and system for controlling rotating speed of driving wheel |
| CN113580955A (en) * | 2021-08-20 | 2021-11-02 | 上海钧正网络科技有限公司 | Control method and device of electric vehicle and electronic equipment |
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| CN107074320A (en) * | 2014-09-02 | 2017-08-18 | E2驱动公司 | Dynamical system for pedal vehicle |
| CN207000726U (en) * | 2017-07-20 | 2018-02-13 | 苏州八方电机科技有限公司 | A kind of double managing devices that test the speed on electric bicycle |
| CN109835430A (en) * | 2019-03-14 | 2019-06-04 | 黄永锋 | Electric vehicle, crash helmet and electrombile control method |
| CN112109557A (en) * | 2019-06-20 | 2020-12-22 | 长城汽车股份有限公司 | Method and system for controlling rotating speed of driving wheel |
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