CN109707839B - Method and system for calibrating gear position of electronic gear shifter - Google Patents
Method and system for calibrating gear position of electronic gear shifter Download PDFInfo
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Abstract
The invention relates to the technical field of gear shifters, and discloses a method for calibrating gear positions of an electronic gear shifter, which comprises the following steps: the rotation angle of a rocker arm of the gear shifting assembly is obtained through an angle Hall sensor; judging whether the rotation angle of the rocker arm of the gear shifting assembly is an effective stroke angle or not; timing is started when the rotation angle of the rocker arm of the gear shifting assembly is an effective stroke angle, whether the rotation angle of the rocker arm of the gear shifting assembly changes or not is judged when the time is preset effective time, and if the rotation angle of the rocker arm of the gear shifting assembly changes, no gear position signal is sent; if not, sending a corresponding gear position signal; if the rotating angle of the rocker arm of the gear shifting assembly is not the effective stroke angle, timing is started, and when the time is preset invalid time, whether the rotating angle of the rocker arm of the gear shifting assembly is the effective rotating angle or not is judged; if not, sending a fault signal of the current angle Hall sensor. The invention has the advantages that the gear shifting assembly has self-diagnosis capability and the gear shifting position is accurately obtained.
Description
Technical Field
The invention relates to the technical field of gear shifters, in particular to a method and a system for calibrating gear positions of an electronic gear shifter.
Background
With the development of the technology, the transmission relationship between the gear shifter assembly and the gear box of the automobile is gradually changed from mechanical transmission to electric linkage control operation; the mechanical transmission controls the gearbox in a linkage mode through a gear shifter inhaul cable, and the position of the handle corresponds to the actual position of the gearbox. The electronic gear shifter transmits a gear shifting electric signal to the gearbox from the gear shifter, the electronic gear shifter usually distributes a switch sensor at each gear position of an operating lever, the switch sensor senses gear change, sends an electric signal and controls the gearbox, although the operating mode is simpler, the switch sensor cannot perform self-diagnosis, and once the switch sensor fails, gear shifting cannot be performed, and only a trailer is used for rescue. And the existing gear shifter generally has the conditions of obvious gear shifting vibration and large noise.
The patent number "CN 201276020Y" discloses an electronic shifter, which comprises a main panel, a base fixedly connected with the main panel, a three-dimensional space enclosed by the main panel and the base, and a fork assembly and a circuit board arranged in the three-dimensional space; the shifting fork assembly comprises a shifting fork body, a shifting lever which is positioned at the upper part of the shifting fork body and is connected with the shifting fork body through a connecting piece, and a permanent magnet which is positioned at the lower part of the shifting fork body and is fixedly connected with the shifting fork body; the circuit board is fixed on the base, and a Hall sensing element corresponding to a gear is arranged on the circuit board; and a gear shifter ball head connected with the shifting fork assembly is arranged outside the three-dimensional space. The electronic gear shifter cannot realize a self-diagnosis function, and in the gear shifting process, impact noise between the gear shifting lever and the base is large.
In order to overcome the defects in the prior art, an electronic gear shifter with a self-diagnosis function and low gear shifting noise needs to be designed, and a method and a system for calibrating the gear position of the electronic gear shifter.
Disclosure of Invention
The invention aims to provide a method and a system for calibrating the gear position of an electronic gear shifter, which have a self-diagnosis function and small gear shifting noise, aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problem is to provide an electronic gear shifter, which comprises: the gear shifting device comprises a base, a gear shifting assembly and a main board;
the base comprises an operation inner cavity arranged inside, a boss arranged at the upper part and a bottom cover arranged at the lower part;
the gear shifting assembly comprises a gear shifting rod and a rocker arm, the gear shifting rod is hinged on the boss through a pin shaft, and a bushing for shock absorption and noise reduction is arranged between the gear shifting rod and the pin shaft; one end of the gear shifting rod penetrates through the boss and extends into the operation inner cavity; the rocker arm is arranged on the bottom cover and driven by the gear shifting lever, and a magnet is arranged on the rocker arm and integrally formed with the rocker arm.
The mainboard is provided with angle hall sensor on the position acquisition circuit of fender position including keeping off position acquisition circuit for through the magnet on the response rocking arm, acquire the turned angle of rocking arm, and then the response the fender position of gear level.
Further, position of shift position acquisition circuit includes: an angle hall sensor chip, a capacitor C15 and a capacitor C16;
one end of the capacitor C16 is connected with a VDE-C1 pin of the angle Hall sensor chip, and the other end of the capacitor C16 is connected with a VSS1 pin of the angle Hall sensor chip, a Test1 pin and the ground; one end of the capacitor C15 is connected with a VDE-C2 pin of the angle Hall sensor chip, and the other end of the capacitor C15 is connected with a VSS2 pin of the angle Hall sensor chip, a Test2 pin and the ground; and the VDD1 pin and the VDD2 pin of the angle Hall sensor chip are connected with a 5V power supply voltage.
Further, the model of the angle hall sensor chip is MLX90363 KGO.
A method of electronic shifter gear position determination comprising the steps of:
s1: acquiring the rotation angle of the rocker arm of the current gear shifting assembly through an angle Hall sensor;
s2: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly is an effective stroke angle or not;
s3: if the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle, timing is started, and when the time is preset effective time, whether the rotating angle of the rocker arm of the current gear shifting assembly changes or not is judged; if the gear position is changed, no gear position signal is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
s4: if the rotating angle of the rocker arm of the current gear shifting assembly is not the effective stroke angle, timing is started, and when the time is preset invalid time, whether the rotating angle of the rocker arm of the current gear shifting assembly is the effective rotating angle or not is judged; and if not, sending a fault signal of the current angle Hall sensor.
Further, step S1 is preceded by the steps of:
acquiring a first release position of a rocker arm of the gear shifting assembly, wherein the rocker arm of the gear shifting assembly is at a preset middle position and is upwards to an upward limit position of the rocker arm;
acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is from the rocker arm to the upper limit position when the rocker arm of the gear shifting assembly is at the preset middle position;
acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm;
and setting the obtained average value as an intermediate gear position angle.
Further, step S1 includes:
s11: acquiring the rotation angle of the rocker arm of the current gear shifting assembly through a two-way angle Hall sensor;
s12: judging whether the rotation angle of the rocker arm of the current gear shifting assembly acquired by the first path angle Hall sensor is a preset error zone bit angle or not;
s13: if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
Further, step S2 includes:
s21: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset effective area angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly belongs to an effective area;
s22: if the rotating angle of the rocker arm of the current gear shifting assembly belongs to the effective area, comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle.
A system for electronic shifter gear position determination, comprising:
the double-circuit Hall sensor is used for acquiring the rotation angle of the rocker arm of the current gear shifting assembly;
the angle comparison module is used for comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective rotating angle or not;
the angle confirmation module is used for starting timing if the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly changes or not when the time is preset effective time; if the gear position is changed, no gear position signal is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
the fault confirming module is used for starting timing when the rotating angle of the rocker arm of the current gear shifting assembly is not the effective stroke angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is the effective rotating angle or not when the time is preset invalid time; and if not, sending a fault signal of the current angle Hall sensor.
Further, still include: the middle position calibration module is used for acquiring a first release position of the rocker arm of the gear shifting assembly from the upper limit position to the extreme position; acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is that the rocker arm of the gear shifting assembly is upwards to the extreme position; acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm; and setting the obtained average value as an intermediate gear position angle.
Further, still include: the angle self-checking module is used for judging whether the rotating angle of the rocker arm of the current gear shifting assembly, which is acquired by the first path of angle Hall sensor in the two paths of angle Hall sensors, is a preset error flag angle or not; if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
Compared with the prior art, the invention has the following beneficial effects:
(1) the gear shifter adopts the two-way angle Hall sensor to acquire gear position information corresponding to the gear shifting rod and the rocker arm, and has self-diagnosis capability of judging whether the acquired angle has an error zone.
(2) Through presetting the mean value algorithm, obtain the demarcation of the position of keeping off the position in the middle of the gear level of gear level, reduce the error of keeping off the position from the design source, improved the accuracy of keeping off position angle.
(3) The magnet is arranged on the rocker arm, the rotation angle of the rocker arm is large relative to the rotation angle of the gear shifting rod, and the magnet and the angle Hall sensor are used for sensing, so that sensing is sensitive.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 with the top cover and face plate removed;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic structural view of a base;
FIG. 5 is another schematic view of FIG. 4;
FIG. 6 is a schematic structural view of the shift assembly and the track member;
FIG. 7 is an exploded view of FIG. 6;
FIG. 8 is a schematic view in half section of a rail member;
fig. 9 is a schematic structural view of the closing plate.
FIG. 10 is a circuit schematic of a gear position acquisition circuit on the electronic shifter main board of the present invention;
fig. 11 is a first flowchart of a method for determining a gear position of the electronic shifter according to the present invention;
fig. 12 is a flowchart of a second method of determining a gear position of the electronic shifter of the present invention;
fig. 13 is a system configuration diagram of gear position determination of the electronic shifter of the present invention.
In the figure, 1, a base; 11. operating the inner cavity; 12. a boss; 121. an opening; 122. a mounting cavity; 13. a bottom cover; 14. a top cover; 141. a panel; 15. a rod sleeve; 16. a through groove; 161. a sealing groove; 17. closing the plate; 171. sealing the convex strips; 2. a shift assembly; 21. a shift lever; 22. A rocker arm; 221. a magnet; 23. a pin shaft; 24. a bushing; 25. a guide bar; 26. a damping ring; 27. a rail member; 271. a wear resistant seat; 272. a damper block; 273. a chute; 274. a toothed surface; 29. a handle; 3. a main board.
Detailed Description
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and the detailed description, but the present invention is not limited to these examples.
Example one
The present embodiment provides an electronic shifter, as shown in fig. 1 to 2, the electronic shifter includes: the gear shifting device comprises a base, a gear shifting assembly and a main board;
the base comprises an operation inner cavity arranged inside, a boss arranged at the upper part and a bottom cover arranged at the lower part;
the base comprises a base 1, wherein an operation inner cavity 11 is arranged in the base 1, a boss 12 is formed by protruding the upper part of the base 1, an opening 121 and a mounting cavity 122 are arranged on the boss 12, and the opening 121 and the mounting cavity 122 are both communicated with the operation inner cavity 11; a bottom cover 13 is arranged below the base 1.
The gear shifting assembly comprises a gear shifting rod and a rocker arm, the gear shifting rod is hinged on the boss through a pin shaft, and a bushing for shock absorption and noise reduction is arranged between the gear shifting rod and the pin shaft; one end of the gear shifting rod penetrates through the boss and extends into the operation inner cavity; the rocker arm is arranged on the bottom cover and driven by the gear shifting lever, and a magnet is arranged on the rocker arm and integrally formed with the rocker arm.
The gear shifting assembly 2 comprises a gear shifting rod 21 and a rocker 22, wherein the gear shifting rod 21 is hinged in a mounting cavity 122 through a pin 23, and a bushing 24 for damping and reducing noise is arranged between the gear shifting rod 21 and the pin 23; so as to prevent the gear shift lever 21 from directly and rigidly contacting the pin 23, which results in large gear shift friction and large noise; and the number of the bushings 24 is two, and the two bushings 24 are symmetrically sleeved at the two ends of the pin shaft 23. One end of the pin 23 is provided with an integrally arranged boss, and the other end of the pin passes through the mounting cavity 122 and then is fixed through an open collar, so that the pin 23 is prevented from being separated from the mounting cavity 122. One end of the shift lever 21 extends into the operating cavity 11 through the opening 121; the rocker arm 22 is arranged on the bottom cover 13 and is driven by the gear shift lever 21, and specifically, the gear shift lever 21 rotates to drive the rocker arm 22 to rotate; the rocker arm 22 is provided with a magnet 221, and the magnet 221 is used for inducing a hall element on the mainboard 3 to generate a hall effect; the magnet 221 is provided in the rocker arm 22, the rotation angle of the rocker arm 22 is large relative to the rotation angle of the shift lever 21, and the magnet 221 senses the hall element, so that the sensing is more sensitive. The magnet 221 is integrally formed with the rocker arm 22, specifically, by a rubber coating process; the magnet 221 is molded and wrapped in the rocker arm 22 through an encapsulation die, so that the assembly process is reduced.
The mainboard is provided with angle hall sensor on the position acquisition circuit of fender position including keeping off position acquisition circuit for through the magnet on the response rocking arm, acquire the turned angle of rocking arm, and then the response the fender position of gear level.
The main board 3 is arranged on the bottom cover 13, and an angle hall sensor is arranged on the main board 3 and used for sensing the rotation angle of the rocker arm 22 and further sensing the gear of the gear shift lever 21. The Hall element is an angle Hall sensor; the Hall element can be calibrated into a plurality of induction areas, and each induction area executes different commands; the main board 3 is also provided with a corresponding control component. The bottom cover 13 is provided with an interface near the end 3 of the main board for plugging a wiring harness, realizing the electric connection with the gearbox and transmitting a gear shifting signal to the gearbox.
Further, position of shift position acquisition circuit includes: an angle hall sensor chip, a capacitor C15 and a capacitor C16;
one end of the capacitor C16 is connected with a VDE-C1 pin of the angle Hall sensor chip, and the other end of the capacitor C16 is connected with a VSS1 pin of the angle Hall sensor chip, a Test1 pin and the ground; one end of the capacitor C15 is connected with a VDE-C2 pin of the angle Hall sensor chip, and the other end of the capacitor C15 is connected with a VSS2 pin of the angle Hall sensor chip, a Test2 pin and the ground; and the VDD1 pin and the VDD2 pin of the angle Hall sensor chip are connected with a 5V power supply voltage.
Further, the model of the angle hall sensor chip is MLX90363 KGO.
The angle Hall sensor adopts a two-way redundancy design, a group of data is sampled every 1ms, the two-way data are in an OR relationship, namely, only one way of data is judged under a normal condition, if one way of data check code data is wrong or the data is inconsistent with the calibrated gear data, the second way of data is adopted for judgment, the self-diagnosis function is realized, the accuracy of gear position output is ensured, and the driving safety is further improved.
Example two
The embodiment provides a method for calibrating gear positions of an electronic gear shifter, and as shown in fig. 3 to 4, the method comprises the following steps:
acquiring a first release position of a rocker arm of the gear shifting assembly, wherein the rocker arm of the gear shifting assembly is upwards to an extreme position;
acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is that the rocker arm of the gear shifting assembly is upwards to the extreme position;
acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm; and setting the obtained average value as an intermediate gear position angle.
Because the electron selector mechanism is the monostable, and wherein the release position of gear level is preset intermediate position, sets up to the Z point in this embodiment, because in the actual structure, there is certain clearance in the Z point, in order to reduce the error, consequently improves from the method of the demarcation of design source Z point, promptly:
pushing the gear shifting rod upwards to the limit position through a mechanical hand, then releasing, and recording a first release position;
pushing the gear shifting rod upwards to the limit position by a mechanical hand, then releasing, and recording a second release position;
and adding the data of the first release position and the second release position, and then obtaining an average value, wherein the obtained data is the calibration data of the position of the Z point.
Other gear position calibration data, because of the monostable state, once the manipulator releases, the shift lever will return to point Z and then add the preset offset as the active area.
In addition, the error can be obtained by the following corresponding angle hall sensors:
| position of | Gear shift lever angle | Angle of rocker arm | Angle |
| A2 | |||
| 11±0.5° | 20.2±1° | 16~23° | |
| A1 | 5.5±0.5° | 10.2±1° | 6~14° |
| Z | 0±0.5° | 0±1° | -3~3° |
| B1 | -5.5±0.5° | -10.2±1° | -6~-14° |
| B2 | -11±0.5° | -20.2±1° | -16~-23° |
Where a2 is the gear shift lever pushed up to the bottom or twice, a1 is the gear shift lever pushed up once, Z is the release position, i.e. the intermediate gear position, B2 is the gear shift lever pushed down to the bottom or twice, and B1 is the gear shift lever pushed down once.
S11: acquiring the rotation angle of the rocker arm of the current gear shifting assembly through a two-way angle Hall sensor;
s12: judging whether the rotation angle of the rocker arm of the current gear shifting assembly acquired by the first path angle Hall sensor is a preset error zone bit angle or not;
s13: if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
The angle Hall sensor adopts a two-way redundancy design, a group of data is sampled every 1ms, the two-way data are in an OR relationship, namely, only one way of data is judged under a normal condition, if one way of data check code data is wrong or the data is inconsistent with the calibrated gear data, the second way of data is adopted for judgment, the self-diagnosis function is realized, the accuracy of gear position output is ensured, and the driving safety is further improved.
S2: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly is an effective stroke angle or not;
s3: if the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle, timing is started, and when the time is preset effective time, whether the rotating angle of the rocker arm of the current gear shifting assembly changes or not is judged; if the gear position is changed, no gear position signal is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
s4: if the rotating angle of the rocker arm of the current gear shifting assembly is not the effective stroke angle, timing is started, and when the time is preset invalid time, whether the rotating angle of the rocker arm of the current gear shifting assembly is the effective rotating angle or not is judged; and if not, sending a fault signal of the current angle Hall sensor.
Further, step S2 includes:
s21: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset effective area angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly belongs to an effective area;
s22: if the rotating angle of the rocker arm of the current gear shifting assembly belongs to the effective area, comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle.
And reading the angle value of the current rocker arm, judging whether the angle Hall sensor has an error flag bit, if not, judging that the angle data is valid, and then sequentially comparing the angle data with the valid rocker arm angles of Z, B1, B2, A1 and A2.
The switching angle of the rocker arm is judged whether to belong to an effective zone or not, namely B1-A2, and if the switching angle of the rocker arm exceeds the effective zone of B1-A2, the gear operation is invalid.
If the gear shifting assembly belongs to the effective area, the acquired rotating angle of the rocker arm of the current gear shifting assembly is compared with a preset gear position angle, and whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle or not is judged.
Namely: if the angle data is within the effective stroke angle and the duration time exceeds 50ms, the operation is judged to be effective, and the corresponding gear position is sent out, for example, the currently acquired rocker arm angle is 10.3 degrees and can last for 50ms, and the gear position A1 corresponding to the currently acquired rocker arm angle of 10.3 degrees is sent to the transmission; and if the data is not in the effective area, the current gear position is not sent, and gear control is continued according to the previous gear position signal.
If the data is in a blank space, for example, the rocker angle is 6 °, and the duration exceeds 10s, then a mechanical stuck is determined, also known as a hall fault DTC.
By adopting the method for judging the gear position of the electronic gear shifter, self-diagnosis can be realized, the preset intermediate gear position can be calibrated through a preset mean value algorithm, and the accurate gear position can be obtained.
EXAMPLE III
The present embodiment provides a system for determining a gear position of an electronic gear shifter, as shown in fig. 5, the system includes:
the double-circuit Hall sensor is used for acquiring the rotation angle of the rocker arm of the current gear shifting assembly;
the angle comparison module is used for comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective rotating angle or not;
the angle confirmation module is used for starting timing if the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly changes or not when the time is preset effective time; if the gear position is changed, no gear position signal is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
the fault confirming module is used for starting timing when the rotating angle of the rocker arm of the current gear shifting assembly is not the effective stroke angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is the effective rotating angle or not when the time is preset invalid time; and if not, sending a fault signal of the current angle Hall sensor.
Further, still include: the middle position calibration module is used for acquiring a first release position of the rocker arm of the gear shifting assembly from the upper limit position to the extreme position; acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is that the rocker arm of the gear shifting assembly is upwards to the extreme position; acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm; and setting the obtained average value as an intermediate gear position angle.
Further, still include: the angle self-checking module is used for judging whether the rotating angle of the rocker arm of the current gear shifting assembly, which is acquired by the first path of angle Hall sensor in the two paths of angle Hall sensors, is a preset error flag angle or not; if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
The system adopts the double-path angle Hall sensor to acquire the gear position information corresponding to the gear lever and the rocker arm, has the self-diagnosis capability of judging whether the acquired angle has an error zone bit, acquires the calibration of the middle gear position of the gear lever through a preset mean value algorithm, reduces the error of the gear position from a design source, and improves the accuracy of the gear position angle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. A method for judging the gear position of an electronic gear shifter is characterized by comprising the following steps:
s1: acquiring the rotation angle of the rocker arm of the current gear shifting assembly through an angle Hall sensor;
s2: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly is an effective stroke angle or not;
s3: if the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle, timing is started, and when the time is preset effective time, whether the rotating angle of the rocker arm of the current gear shifting assembly changes or not is judged; if the gear position is changed, no gear position signal is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
s4: if the rotating angle of the rocker arm of the current gear shifting assembly is not the effective stroke angle, timing is started, and when the time is preset invalid time, whether the rotating angle of the rocker arm of the current gear shifting assembly is the effective rotating angle or not is judged; and if not, sending a fault signal of the current angle Hall sensor.
2. The method for determining the gear position of the electronic gear shifter according to claim 1, wherein the step S1 is preceded by the steps of:
acquiring a first release position of a rocker arm of the gear shifting assembly, wherein the rocker arm of the gear shifting assembly is at a preset middle position and is upwards to an upward limit position of the rocker arm;
acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is from the rocker arm to the upper limit position when the rocker arm of the gear shifting assembly is at the preset middle position;
acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm;
and setting the obtained average value as an intermediate gear position angle.
3. The method for determining the gear position of the electronic gear shifter according to claim 1, wherein the step S1 comprises:
s11: acquiring the rotation angle of the rocker arm of the current gear shifting assembly through a two-way angle Hall sensor;
s12: judging whether the rotation angle of the rocker arm of the current gear shifting assembly acquired by the first path angle Hall sensor is a preset error zone bit angle or not;
s13: if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
4. The method for determining the gear position of the electronic gear shifter according to claim 1, wherein the step S2 comprises:
s21: comparing the acquired rotation angle of the rocker arm of the current gear shifting assembly with a preset effective area angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly belongs to an effective area;
s22: if the rotating angle of the rocker arm of the current gear shifting assembly belongs to the effective area, comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective stroke angle.
5. A system for electronic shifter gear position determination, comprising:
the double-circuit Hall sensor is used for acquiring the rotation angle of the rocker arm of the current gear shifting assembly;
the angle comparison module is used for comparing the acquired rotating angle of the rocker arm of the current gear shifting assembly with a preset gear position angle and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an effective rotating angle or not;
the angle confirmation module is used for starting timing when the rotation angle of the rocker arm of the current gear shifting assembly is an effective rotation angle, and judging whether the rotation angle of the rocker arm of the current gear shifting assembly changes or not when the time is preset effective time; if the gear position is changed, a signal indicating that the gear position is the middle gear position is sent; if not, sending a gear position signal of which the gear position is corresponding to the rotation angle of the rocker arm of the current gear shifting assembly;
the fault confirming module is used for starting timing when the rotating angle of the rocker arm of the current gear shifting assembly is an invalid rotating angle, and judging whether the rotating angle of the rocker arm of the current gear shifting assembly is an invalid rotating angle or not when the time is preset invalid time; and if so, sending a fault signal of the current angle Hall sensor.
6. The system of electronic shifter gear position determination of claim 5, further comprising:
the middle position calibration module is used for acquiring a first release position of the rocker arm of the gear shifting assembly, wherein the first release position is from the rocker arm to the upward limit position when the rocker arm of the gear shifting assembly is at a preset middle position; acquiring a second release position of the rocker arm of the gear shifting assembly, wherein the second release position is from the rocker arm to the upper limit position when the rocker arm of the gear shifting assembly is at the preset middle position; acquiring a mean position obtained by adding the first release position and the second release position through a preset mean algorithm; and setting the obtained average value as an intermediate gear position angle.
7. The system of electronic shifter gear position determination of claim 5, further comprising:
the angle self-checking module is used for judging whether the rotating angle of the rocker arm of the current gear shifting assembly, which is acquired by the first path of angle Hall sensor in the two paths of angle Hall sensors, is a preset error flag angle or not; if not, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the first path of angle Hall sensor; and if so, acquiring the rotation angle of the rocker arm of the current gear shifting assembly by adopting the second-path angle Hall sensor.
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| CN201811614883.XA CN109707839B (en) | 2018-12-27 | 2018-12-27 | Method and system for calibrating gear position of electronic gear shifter |
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| CN201811614883.XA CN109707839B (en) | 2018-12-27 | 2018-12-27 | Method and system for calibrating gear position of electronic gear shifter |
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| CN109707839B true CN109707839B (en) | 2020-08-21 |
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| CN110514435B (en) * | 2019-08-22 | 2021-10-29 | 苏州涵富汽车零部件科技有限公司 | Detection method of electronic gear shifter |
| CN111022633A (en) * | 2019-12-30 | 2020-04-17 | 潍柴动力股份有限公司 | Vehicle gear shifting method and vehicle gear shifting device |
| CN111365453B (en) * | 2020-03-26 | 2021-04-06 | 泸州容大智能变速器有限公司 | Built-in electronic gear shifting control method for automatic transmission |
| CN111350810A (en) * | 2020-04-14 | 2020-06-30 | 长春盖尔瑞孚艾斯曼汽车零部件有限公司 | Electronic gear shifter with non-contact Hall sensor |
| CN111878574B (en) * | 2020-06-30 | 2021-09-17 | 东风汽车集团有限公司 | False triggering prevention method and system for electronic gear shifting mechanism |
| CN111998064B (en) * | 2020-07-14 | 2021-11-23 | 宁波高发汽车控制系统股份有限公司 | Manual-automatic gear shifter based on Hall induction |
| CN111734819B (en) * | 2020-07-30 | 2020-12-04 | 宁波高发汽车控制系统股份有限公司 | Single-Hall gear shifter with bidirectional gear acquisition function |
| CN112065977A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Gear shifting position identification method, gear shifting position identification device, gear shifting position identification equipment and storage medium |
| CN113048869B (en) * | 2021-03-10 | 2022-12-09 | 科世达(上海)机电有限公司 | Calibration method, system, equipment and storage medium of electronic gear shifter |
| CN115143281A (en) * | 2021-03-31 | 2022-10-04 | 广州汽车集团股份有限公司 | A kind of control method and device of gear indicator light |
| CN115539620A (en) * | 2021-06-30 | 2022-12-30 | 重庆长安新能源汽车科技有限公司 | A gear-shifting electronic shifter and shifting system |
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