CN114607225A - Logic algorithm for preventing clamping of electric tail gate - Google Patents
Logic algorithm for preventing clamping of electric tail gate Download PDFInfo
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- CN114607225A CN114607225A CN202210284812.8A CN202210284812A CN114607225A CN 114607225 A CN114607225 A CN 114607225A CN 202210284812 A CN202210284812 A CN 202210284812A CN 114607225 A CN114607225 A CN 114607225A
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- Prior art keywords
- tail gate
- electric tail
- threshold
- collected
- pinch
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- 230000008859 change Effects 0.000 claims abstract description 18
- 230000009191 jumping Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0854—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/548—Trunk lids
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a logic algorithm for preventing clamping of an electric tail gate, which comprises the following steps: step S1, opening the electric tail gate; step S2, collecting the average speed value of the electric tail gate driving motor in the running process; step S3, setting a speed threshold, judging that the situation of clamping prevention is achieved when the collected average running speed value of the electric tail gate driving motor is larger than or smaller than the threshold, and automatically jumping to the step S6; step S4, collecting motor driving current, and drawing a change rate curve of the collected driving current; step S5, setting a current change threshold, judging that the situation of clamping prevention is achieved when the collected drive current change rate is larger than or smaller than the threshold, and automatically jumping to the step S6; in step S6, the tailgate stops operating. The method can more accurately identify the anti-pinch action and reduce the phenomenon of false triggering, and the algorithm can adapt to the change of the environment and reduce the influence of the environment and other aspects on system judgment.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of automobile electric tail gates, in particular to the technical field of anti-pinch logic algorithms of electric tail gates.
[ background of the invention ]
With the annual increase of automobile reserves in China, the proportion of families with more than 2 automobiles is gradually increased. The resulting probability of a single person driving out is also rising. Because the inconvenience of putting in and out articles in shopping is realized when a single person drives a car, more and more car owners can select to install the automatic electric tail gate of the formula of opening of the kick induction. The automatic electric tail can not be safely protected when used, so that the anti-clamping logic of the electric tail is very important.
The conventional electric tail anti-pinch logic is that a current value of a motor driving module is sampled and identified by a chip adc, and when locked-rotor current is larger than a certain set parameter value, a tail gate is stopped to achieve an anti-pinch function. The threshold parameter value of conventional logic setting should not be too big, and too big leads to the insensitivity phenomenon of electricity tail anti-pinch function failure, and the threshold parameter can receive the temperature when too little, and the car internal pressure influences, for example the temperature is low winter is, and the car is pressed strongly in, and when the electricity tail was opened, the locked-rotor current can lead to the false triggering to prevent the pinch function greatly.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an anti-pinch logic algorithm for an electric tailgate, which can more accurately identify anti-pinch actions and reduce the phenomenon of false triggering.
In order to achieve the purpose, the invention provides a logic algorithm for preventing the clamping of the electric tail gate, which comprises the following steps:
step S1, opening the electric tail gate;
step S2, collecting the average speed value of the electric tail gate driving motor in the running process;
step S3, setting a speed threshold, judging that the situation of clamping prevention is achieved when the collected average running speed value of the electric tail gate driving motor is larger than or smaller than the threshold, and automatically jumping to the step S6;
step S4, collecting motor driving current, and drawing a change rate curve of the collected driving current;
step S5, setting a current change threshold, judging that the situation of clamping prevention is achieved when the collected drive current change rate is larger than or smaller than the threshold, and automatically jumping to the step S6;
in step S6, the tailgate stops operating.
Preferably, in step S3, when the collected average value of the operation speeds of the electric tailgate driving motors does not reach the threshold value, the operation automatically proceeds to step S3.
Preferably, in step S5, when the collected driving current variation rate does not reach the threshold, the method goes back to step S1, and the operation steps are repeated.
Preferably, in step S2, the operation speed of the electric tail gate driving motor is acquired by a hall sensor.
Preferably, in step S4, the ADC chip collects the current value of the driving module of the electric tail gate driving motor.
Preferably, the step S2 and the step S4 are operated in synchronization with each other during the operation of the power tailgate.
The invention discloses a logic algorithm for preventing the electric tail gate from being clamped, which has the following beneficial effects: the method can more accurately identify the anti-pinch action and reduce the phenomenon of false triggering, and the algorithm can adapt to the change of the environment and reduce the influence of the environment and other aspects on system judgment.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a flow chart diagram illustrating a logic algorithm for anti-pinch of a power tailgate according to the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the product of the present invention is used, and are merely for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. . Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
The first embodiment is as follows:
referring to fig. 1, the logic algorithm for preventing the electric tailgate of the present invention comprises the following steps:
step S1, opening the electric tail gate;
step S2, collecting the average speed value of the electric tail gate driving motor in the running process;
step S3, setting a speed threshold, judging that the situation of clamping prevention is achieved when the collected average running speed value of the electric tail gate driving motor is smaller than the threshold, and automatically jumping to the step S6;
step S4, collecting motor driving current, and drawing a change rate curve of the collected driving current; step S5, setting a current change threshold, judging that the situation of clamping prevention is achieved when the collected drive current change rate is larger than the threshold, and automatically jumping to the step S6;
in step S6, the tailgate stops operating.
When the collected running speed average value of the electric tail gate driving motor in the step S3 does not reach the threshold value, automatically jumping to a step S3; when the collected driving current change rate does not reach the threshold value in the step S5, jumping back to the step S1, and continuously repeating the operation step; in the step S2, the operation speed of the electric tail gate driving motor is acquired through a Hall sensor; in the step S4, the current value of the driving module of the electric tail gate driving motor is collected through the ADC chip; the step S2 and the step S4 are synchronized during the operation of the power tailgate. In the process of opening and closing the electric tail, the speed average value of the motor obtained by converting the identification Hall signal is used as the main function of judging anti-clamping, and the speed average value is stable regardless of the conditions of normal temperature, high pressure, low pressure and the like due to the PID speed regulation algorithm. And when the average speed value is greater than or less than a certain threshold value, judging that the clamping is prevented. In addition, judgment logic is added, a change rate curve is made by using the collected current driven by the motor, and anti-pinch is judged in an auxiliary mode through the rate curve. The method can more accurately identify the anti-pinch action and reduce the phenomenon of false triggering, and the algorithm can adapt to the change of the environment and reduce the influence of the environment and other aspects on system judgment.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. A logic algorithm for pinch protection of a power tailgate comprising the steps of:
step S1, opening the electric tail gate;
step S2, collecting the average speed value of the electric tail gate driving motor in the running process;
step S3, setting a speed threshold, judging that the situation of clamping prevention is achieved when the collected average running speed value of the electric tail gate driving motor is larger than or smaller than the threshold, and automatically jumping to the step S6;
step S4, collecting motor driving current, and drawing a change rate curve of the collected driving current;
step S5, setting a current change threshold, judging that the situation of clamping prevention is achieved when the collected drive current change rate is larger than or smaller than the threshold, and automatically jumping to the step S6;
in step S6, the tailgate stops operating.
2. The logic algorithm for anti-pinch of a power tailgate according to claim 1, wherein: and in the step S3, when the collected average value of the running speeds of the electric tail gate driving motors does not reach the threshold value, automatically jumping to the step S3.
3. The logic algorithm for anti-pinch of a power tailgate according to claim 1, wherein: and in the step S5, when the collected driving current change rate does not reach the threshold, returning to the step S1, and continuing to repeat the operation step.
4. The logic algorithm for anti-pinch of a power tailgate according to claim 1, wherein: and in the step S2, the operation speed of the electric tail gate driving motor is acquired through a Hall sensor.
5. The logic algorithm for anti-pinch of a power tailgate according to claim 1, wherein: and in the step S4, the current value of the driving module of the electric tail gate driving motor is acquired through the ADC chip.
6. The logic algorithm for anti-pinch of a power tailgate according to claim 1, wherein: the step S2 and the step S4 are synchronized during the operation of the power tailgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284812.8A CN114607225A (en) | 2022-03-22 | 2022-03-22 | Logic algorithm for preventing clamping of electric tail gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284812.8A CN114607225A (en) | 2022-03-22 | 2022-03-22 | Logic algorithm for preventing clamping of electric tail gate |
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| Publication Number | Publication Date |
|---|---|
| CN114607225A true CN114607225A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210284812.8A Pending CN114607225A (en) | 2022-03-22 | 2022-03-22 | Logic algorithm for preventing clamping of electric tail gate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06253570A (en) * | 1993-02-26 | 1994-09-09 | Omron Corp | Open/close controller |
| DE10034014A1 (en) * | 2000-07-13 | 2002-02-21 | Daimler Chrysler Ag | Method for operating an electric drive unit |
| CN107489333A (en) * | 2017-08-01 | 2017-12-19 | 宁波普龙汽车电子科技有限公司 | A kind of electric car window anti-pinch parameter learning method and anti-pinching car window control method |
| US20190128044A1 (en) * | 2016-07-12 | 2019-05-02 | Denso Corporation | Opening/closing member driving device |
| JP2019112855A (en) * | 2017-12-25 | 2019-07-11 | 株式会社ユーシン | Opening and closing device and control method therefor |
| CN113338743A (en) * | 2021-05-28 | 2021-09-03 | 微进电子科技（上海）有限公司 | Anti-pinch control system of electric tail gate |
-
2022
- 2022-03-22 CN CN202210284812.8A patent/CN114607225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06253570A (en) * | 1993-02-26 | 1994-09-09 | Omron Corp | Open/close controller |
| DE10034014A1 (en) * | 2000-07-13 | 2002-02-21 | Daimler Chrysler Ag | Method for operating an electric drive unit |
| US20190128044A1 (en) * | 2016-07-12 | 2019-05-02 | Denso Corporation | Opening/closing member driving device |
| CN107489333A (en) * | 2017-08-01 | 2017-12-19 | 宁波普龙汽车电子科技有限公司 | A kind of electric car window anti-pinch parameter learning method and anti-pinching car window control method |
| JP2019112855A (en) * | 2017-12-25 | 2019-07-11 | 株式会社ユーシン | Opening and closing device and control method therefor |
| CN113338743A (en) * | 2021-05-28 | 2021-09-03 | 微进电子科技（上海）有限公司 | Anti-pinch control system of electric tail gate |
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