CN112009424A - Accurate positioning keyless entry and starting system and method - Google Patents
Accurate positioning keyless entry and starting system and method Download PDFInfo
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- CN112009424A CN112009424A CN202010928372.6A CN202010928372A CN112009424A CN 112009424 A CN112009424 A CN 112009424A CN 202010928372 A CN202010928372 A CN 202010928372A CN 112009424 A CN112009424 A CN 112009424A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/246—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user characterised by the challenge triggering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/248—Electronic key extraction prevention
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Abstract
The invention discloses a system and a method for accurately positioning keyless entry and start, wherein the method comprises the following steps: 1) determining the position of a remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle; 2) determining functional areas, and accurately calibrating each functional area by placing a key at the boundary of the functional area to be defined; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area; 3) according to the calibration of each functional area, giving corresponding authority to each functional area where the key is located, and according to the position of the key, determining the functional area where the key is located and the corresponding authority to ensure the control accuracy of keyless entry and starting; 4) if the key is judged to be in the function forbidden area, the vehicle HMI sends out related prompt. The invention accurately determines the position of the key according to the transmission path loss of the intensity of the key transmitting signal, and accurately marks the working interval of keyless entry and starting.
Description
Technical Field
The invention relates to the intelligent automobile technology, in particular to a system and a method for accurately positioning keyless entry and starting.
Background
The current key-free entry and start-up in the process of product development generally follows two technical routes: high-performance infrared radiation route and bluetooth route. While the high performance infrared radiation route is so mature, the following problems still exist: 1) the effective infrared radiation range is narrow; 2) the infrared radiation is greatly influenced by the electric quantity. Although the bluetooth route has good positioning performance, the limitation is large and the key cost is high. Bluetooth technology routing systems are typically used for advanced vehicles and electronic keys are costly.
Even if the existing high-performance infrared radiation route is mature, the two problems cannot be solved due to the limitation of functions. 1) For the electronic key fob function: the remote control distance is shortened along with the reduction of the electric quantity; 2) for the keyless start function: the functional area is unstable, and a blind area (the key cannot start the vehicle in the vehicle) is easy to appear in the vehicle; 3) for keyless entry function: the functional area is unstable and is easy to leak outside the vehicle (the key can start the vehicle by mistake outside the vehicle).
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a system and a method for accurately positioning keyless entry, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for accurately positioning keyless entry and starting comprises the following steps:
1) determining the position of a remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle;
the infrared radio frequency radiation receiver is used for receiving an infrared radiation signal of the remote control key;
the infrared radio frequency radiation receiver is also used for transmitting radio frequency signals and recovering reflected echo information;
2) determining functional areas, and accurately calibrating each functional area by placing a key at the boundary of the functional area to be defined; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area;
3) according to the calibration of each functional area and the position of the key, the functional area where the key is located is determined, corresponding authority is given to each functional area where the key is located, and the control accuracy of the keyless entry system is guaranteed;
4) if the key is judged to be in the function forbidden area, the vehicle HMI sends out related prompt.
According to the scheme, the positioning method in the step 1) comprises the following steps:
the number of the infrared radio frequency radiation receiver reference nodes for key positioning is 3, A, B and C are reference nodes, and Z is a key positioning node with an unknown position
The key positioning node is a radio frequency signal transmitting node, and the reference node is a radio frequency signal receiving node;
the known transmitting node transmits signal strength, the receiving node calculates transmission path loss according to the received signal strength of the positioning node, and then the path loss is converted into distance (the signal strength is an internal known parameter, and an original vehicle system uses the parameter to remind that a battery is replaced).
According to the scheme, the transmission path loss calculated in the step 1) adopts the following mode, and the transmission path loss P (d) is as follows:
wherein P (d) is the transmission path loss when the reference distance is d; d is the distance between the transmitting node and the receiving node; p0Is a distance receiving node d0The transmission path loss at (a), n is the path loss factor.
As shown in the formula, the signal strength of the receiving node is as follows:
PRSSI＝PT-P(d)
PTfor the transmission power of the signal, from the transmitting node d0The reference point at receives a signal strength of a-PT－P0Then, the formula is obtained:
P(d)＝PT-A.
the distance measurement is realized by the above formula.
According to the scheme, the path loss factor n is time-varying along with the movement of the positioning node, and is obtained by adopting a real vehicle calibration method:
and calibrating the corresponding path loss factor n according to the distance d along with the movement of the positioning node.
According to the scheme, the functional regions in the step 2) are defined as follows:
the active identification area is an area which enables the vehicle to complete corresponding instructions by actively pressing a button on the remote control key;
the passive identification area is an area which can enable the vehicle to complete corresponding instructions only by touching a corresponding inductor/switch on an induction door handle or a tail gate without pressing a button on a remote control key;
the starting functional area is that if the key is in the area, the keyless entry starting system can authorize the vehicle to start under the condition that other conditions are correct and satisfied; and forbidding the vehicle from being locked;
the function forbidden area in the vehicle is an area in the space in the vehicle, and the key is clearly reminded of not allowing to be placed in the area;
the inner contour area of the vehicle is a closed area which is formed by taking the outer edge of the vehicle as a curved surface boundary and is surrounded by the outer edge of the vehicle.
According to the above method, we also provide a precisely located keyless entry and start system, comprising:
the remote control key position determining module is used for determining the position of the remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle;
the infrared radio frequency radiation receiver is used for receiving an infrared radiation signal of the remote control key;
the infrared radio frequency radiation receiver is also used for transmitting radio frequency signals and recovering reflected echo information;
the functional area calibration module is used for determining functional areas and placing keys at the boundaries of the functional areas to be defined to accurately calibrate each functional area; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area;
the key authority determining module is used for determining the functional area where the key is located according to the calibration of each functional area and the position of the key, giving corresponding authority to each functional area where the key is located, and ensuring the control accuracy of keyless entry or starting;
and the prompting module is used for sending out related prompts by the vehicle HMI if the key is judged to be in the function forbidden area.
According to the scheme, the positioning method for determining the position of the remote control key in the remote control key position determining module is as follows:
the number of the infrared radio frequency radiation receiver reference nodes for key positioning is 3, A, B and C are reference nodes, and Z is a key positioning node with an unknown position
The key positioning node is a radio frequency signal transmitting node, and the reference node is a radio frequency signal receiving node;
knowing the signal intensity transmitted by the transmitting node, the receiving node calculates the transmission path loss according to the signal intensity received by the positioning node, and then converts the path loss into a distance.
According to the scheme, the transmission path loss calculated in the remote control key position determining module adopts the following mode, and the transmission path loss P (d) is as follows:
wherein P (d) is the transmission path loss when the reference distance is d; d is the distance between the transmitting node and the receiving node; p0Is a distance receiving node d0The transmission path loss at (a), n is the path loss factor.
As shown in the formula, the signal strength of the receiving node is as follows:
PRSSI＝PT-P(d)
PTfor the transmission power of the signal, from the transmitting node d0The reference point at receives a signal strength of a-PT－P0Then, the formula is obtained:
P(d)＝PT-A.
the distance measurement is realized by the above formula.
According to the scheme, the path loss factor n is time-varying along with the movement of the positioning node, and is obtained by adopting a real vehicle calibration method:
and calibrating the corresponding path loss factor n according to the distance d along with the movement of the positioning node.
According to the scheme, the functional area in the functional area calibration module is defined as follows:
the active identification area is an area which enables the vehicle to complete corresponding instructions by actively pressing a button on the remote control key;
the passive identification area is an area which can enable the vehicle to complete corresponding instructions only by touching a corresponding inductor/switch on an induction door handle or a tail gate without pressing a button on a remote control key;
the starting functional area is that if the key is in the area, the keyless entry starting system can authorize the vehicle to start under the condition that other conditions are correct and satisfied; and forbidding the vehicle from being locked;
the function forbidden area in the vehicle is an area in the space in the vehicle, and the key is clearly reminded of not allowing to be placed in the area;
the inner contour area of the vehicle is a closed area which is formed by taking the outer edge of the vehicle as a curved surface boundary and is surrounded by the outer edge of the vehicle.
The invention has the following beneficial effects: the position of the key is accurately determined by using a three-dimensional space positioning method according to the transmission path loss of the intensity of the key transmitting signal, the working areas for keyless entry and starting are accurately calibrated, corresponding functions are stably started in different working areas, the problem that the key starts a vehicle outside the vehicle, the problem that the keyless entry is too far into a safe area is solved, and the functions and the application range of a keyless entry and starting system are improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of a method of an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an embodiment of the present invention;
fig. 3 is a flow chart of the use of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a method of accurately positioning keyless entry includes the steps of:
1) determining the position of a remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle;
the infrared radio frequency radiation receiver is used for receiving an infrared radiation signal of the remote control key;
the infrared radio frequency radiation receiver is also used for transmitting radio frequency signals and recovering reflected echo information;
the number of reference nodes of the infrared radio frequency radiation receiver for key positioning is 3, A, B and C are set as reference nodes, and Z is a key positioning node at an unknown position;
the key positioning node is a radio frequency signal transmitting node, and the reference node is a radio frequency signal receiving node;
the known transmitting node transmits signal strength, the receiving node calculates transmission path loss according to the received signal strength of the positioning node, and then the path loss is converted into distance (the signal strength is an internal known parameter, and an original vehicle system uses the parameter to remind that a battery is replaced).
According to the scheme, the transmission path loss calculated in the step 1) adopts the following mode, and the transmission path loss P (d) is as follows:
wherein P (d) is the transmission path loss when the reference distance is d; d is the distance between the transmitting node and the receiving node; p0Is a distance receiving node d0The transmission path loss at (a), n is the path loss factor.
As shown in the formula, the signal strength of the receiving node is as follows:
PRSSI＝PT-P(d)
PTfor the transmission power of the signal, from the transmitting node d0The reference point at receives a signal strength of a-PT－P0Then, the formula is obtained:
P(d)＝PT-A.
the distance measurement is realized by the above formula.
According to the scheme, the path loss factor n is time-varying along with the movement of the positioning node, and is obtained by adopting a real vehicle calibration method:
and calibrating the corresponding path loss factor n according to the distance d along with the movement of the positioning node.
2) Determining functional areas, and accurately calibrating each functional area by placing a key at the boundary of the functional area to be defined; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area;
the active identification area is an area which enables the vehicle to complete corresponding instructions by actively pressing a button on the remote control key;
the passive identification area is an area which can enable the vehicle to complete corresponding instructions only by touching a corresponding inductor/switch on an induction door handle or a tail gate without pressing a button on a remote control key;
the starting functional area is that if the key is in the area, the keyless entry starting system can authorize the vehicle to start under the condition that other conditions are correct and satisfied; and forbidding the vehicle from being locked;
the function forbidden area in the vehicle is an area in the space in the vehicle, and the key is clearly reminded of not allowing to be placed in the area;
the inner contour area of the vehicle is a closed area which is formed by taking the outer edge of the vehicle as a curved surface boundary and is surrounded by the outer edge of the vehicle.
3) According to the calibration of each functional area and the position of the key, the functional area where the key is located is determined, corresponding authority is given to each functional area where the key is located, and the control accuracy of the keyless entry system is guaranteed; in particular, as shown in FIG. 3;
4) if the key is judged to be in the function forbidden area, the vehicle HMI sends out related prompt.
Typical scenario scenarios for the use of key remotes:
1) the driver is far away from the vehicle 40m, and the driver can only open and close the vehicle door using the key fob key.
2) The key is positioned in a calibrated passive identification area which is generally smaller than a psychological safety area within 2m of the periphery of the vehicle, a driver or other people can open and close the vehicle door by pulling a door handle or a switch on a door handle, and the vehicle door can also be opened and closed by a remote key button; but not to start the vehicle.
3) The key is positioned in the calibrated starting identification area, and can only start and stop the vehicle, thereby effectively preventing the key from being locked in the vehicle.
4) If the function forbidden areas such as the key wireless charging working area and the like are judged, the vehicle HMI can send out related prompts.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A method for accurately positioning keyless entry and starting is characterized by comprising the following steps:
1) determining the position of a remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle;
the infrared radio frequency radiation receiver is used for receiving an infrared radiation signal of the remote control key;
the infrared radio frequency radiation receiver is also used for transmitting radio frequency signals and recovering reflected echo information;
2) determining functional areas, and accurately calibrating each functional area by placing a key at the boundary of the functional area to be defined; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area;
3) according to the calibration of each functional area, giving corresponding authority to each functional area where the key is located, and according to the position of the key, determining the functional area where the key is located and the corresponding authority to ensure the control accuracy of keyless entry and starting;
4) if the key is judged to be in the function forbidden area, the vehicle HMI sends out related prompt.
2. The method for accurately positioning keyless entry and start according to claim 1, wherein the positioning method in step 1) is as follows:
the number of the infrared radio frequency radiation receiver reference nodes for key positioning is 3, and the reference nodes A, B and C are set as reference nodes, and the key positioning node Z at an unknown position
The key positioning node is a radio frequency signal transmitting node, and the reference node is a radio frequency signal receiving node;
knowing the signal intensity transmitted by the transmitting node, the receiving node calculates the transmission path loss according to the signal intensity received by the positioning node, and then converts the path loss into a distance.
3. The method of claim 2, wherein the transmission path loss is calculated in step 1) by the following method, and the transmission path loss p (d) is:
wherein P (d) is the transmission path loss when the reference distance is d; d is the distance between the transmitting node and the receiving node; p0Is a distance receiving node d0The transmission path loss of (a), n is a path loss factor;
as shown in the formula, the signal strength of the receiving node is as follows:
PRSSI＝PT-P(d)
PTfor the transmission power of the signal, from the transmitting node d0The reference point at receives a signal strength of a-PT－P0Then, the formula is obtained:
P(d)＝PT-A；
the distance measurement is realized by the above formula.
4. The method of claim 3, wherein the path loss factor n is obtained by a real vehicle calibration method as the positioning node moves, wherein n is time-varying:
and calibrating the corresponding path loss factor n according to the distance d along with the movement of the positioning node.
5. The method for accurately positioning keyless entry and start according to claim 1, wherein the functional zones in step 2) are defined as follows:
the active identification area is an area which enables the vehicle to complete corresponding instructions by actively pressing a button on the remote control key;
the passive identification area is an area which can enable the vehicle to complete corresponding instructions only by touching a corresponding inductor/switch on an induction door handle or a tail gate without pressing a button on a remote control key;
the starting functional area is that if the key is in the area, the keyless entry starting system can authorize the vehicle to start under the condition that other conditions are correct and satisfied; and forbidding the vehicle from being locked;
the function forbidden area in the vehicle is an area in the space in the vehicle, and the key is clearly reminded of not allowing to be placed in the area;
the inner contour area of the vehicle is a closed area which is formed by taking the outer edge of the vehicle as a curved surface boundary and is surrounded by the outer edge of the vehicle.
6. A precision positioning keyless entry and start system, comprising:
the remote control key position determining module is used for determining the position of the remote control key according to three infrared radio frequency radiation receivers arranged in the vehicle;
the infrared radio frequency radiation receiver is used for receiving an infrared radiation signal of the remote control key;
the infrared radio frequency radiation receiver is also used for transmitting radio frequency signals and recovering reflected echo information;
the functional area calibration module is used for determining functional areas and placing keys at the boundaries of the functional areas to be defined to accurately calibrate each functional area; the functional area comprises an active identification area, a passive identification area, a starting functional area, an in-vehicle function forbidden area and an in-vehicle outline area;
the key authority determining module is used for determining the functional area where the key is located according to the calibration of each functional area and the position of the key, giving corresponding authority to each functional area where the key is located, and ensuring the control accuracy of keyless entry or starting;
and the prompting module is used for sending out related prompts by the vehicle HMI if the key is judged to be in the function forbidden area.
7. The system of claim 6, wherein the key location determination module determines the location of the key by the following method:
the number of the infrared radio frequency radiation receiver reference nodes for key positioning is 3, and the reference nodes A, B and C are set as reference nodes, and the key positioning node Z at an unknown position
The key positioning node is a radio frequency signal transmitting node, and the reference node is a radio frequency signal receiving node;
knowing the signal intensity transmitted by the transmitting node, the receiving node calculates the transmission path loss according to the signal intensity received by the positioning node, and then converts the path loss into a distance.
8. The key-less entry and start system of claim 7 wherein the calculation of transmission path loss in the key fob location determination module is performed in the following manner, transmission path loss p (d) being:
wherein P (d) is the transmission path loss when the reference distance is d; d is the distance between the transmitting node and the receiving node; p0Is a distance receiving node d0The transmission path loss at (a), n is the path loss factor.
As shown in the formula, the signal strength of the receiving node is as follows:
PRSSI＝PT-P(d)
PTfor the transmission power of the signal, from the transmitting node d0The reference point at receives a signal strength of a-PT－P0Then, the formula is obtained:
P(d)＝PT-A.
the distance measurement is realized by the above formula.
9. The precision location keyless entry and start system of claim 8 wherein the path loss factor n is time varying with movement of the location node, and is obtained using a real vehicle calibration method:
and calibrating the corresponding path loss factor n according to the distance d along with the movement of the positioning node.
10. The system of claim 6, wherein the functional zones in the functional zone calibration module are defined as follows:
the active identification area is an area which enables the vehicle to complete corresponding instructions by actively pressing a button on the remote control key;
the passive identification area is an area which can enable the vehicle to complete corresponding instructions only by touching a corresponding inductor/switch on an induction door handle or a tail gate without pressing a button on a remote control key;
the starting functional area is that if the key is in the area, the keyless entry starting system can authorize the vehicle to start under the condition that other conditions are correct and satisfied; and forbidding the vehicle from being locked;
the function forbidden area in the vehicle is an area in the space in the vehicle, and the key is clearly reminded of not allowing to be placed in the area;
the inner contour area of the vehicle is a closed area which is formed by taking the outer edge of the vehicle as a curved surface boundary and is surrounded by the outer edge of the vehicle.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896094A (en) * | 2021-04-01 | 2021-06-04 | 上海科世达-华阳汽车电器有限公司 | Operation control method, system and device and vehicle |
| CN113212421A (en) * | 2021-05-14 | 2021-08-06 | 东风汽车集团股份有限公司 | Key positioning automatic parking method, device, equipment and storage medium |
| CN114019943A (en) * | 2021-11-05 | 2022-02-08 | 浙江吉利控股集团有限公司 | Energy consumption control method and system for automobile key |
| CN115226201A (en) * | 2022-03-15 | 2022-10-21 | 广州汽车集团股份有限公司 | Method and device for calibrating digital key, vehicle and storage medium |
| CN115402259A (en) * | 2022-09-09 | 2022-11-29 | 浙江吉利控股集团有限公司 | Control method, control device, automobile and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100191392A1 (en) * | 2009-01-29 | 2010-07-29 | Trw Automotive U.S. Llc | Apparatus for locating a vehicle electronic key |
| CN102209382A (en) * | 2011-05-18 | 2011-10-05 | 杭州电子科技大学 | Wireless sensor network node positioning method based on received signal strength indicator (RSSI) |
| CN102975686A (en) * | 2012-11-23 | 2013-03-20 | 奇瑞汽车股份有限公司 | Passive entry starting system and operation method thereof |
| CN103646457A (en) * | 2013-12-27 | 2014-03-19 | 重庆集诚汽车电子有限责任公司 | Low frequency calibration method for PEPS (passive entry passive start) system |
| CN106842120A (en) * | 2017-04-11 | 2017-06-13 | 东北林业大学 | RSSI indoor multipaths scattering localization method based on optimized algorithm |
| CN107662579A (en) * | 2016-07-27 | 2018-02-06 | 华晨汽车集团控股有限公司 | A kind of keyless entry activation system low-frequency calibration and the method for searching Intelligent key |
-
2020
- 2020-09-07 CN CN202010928372.6A patent/CN112009424A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100191392A1 (en) * | 2009-01-29 | 2010-07-29 | Trw Automotive U.S. Llc | Apparatus for locating a vehicle electronic key |
| CN102209382A (en) * | 2011-05-18 | 2011-10-05 | 杭州电子科技大学 | Wireless sensor network node positioning method based on received signal strength indicator (RSSI) |
| CN102975686A (en) * | 2012-11-23 | 2013-03-20 | 奇瑞汽车股份有限公司 | Passive entry starting system and operation method thereof |
| CN103646457A (en) * | 2013-12-27 | 2014-03-19 | 重庆集诚汽车电子有限责任公司 | Low frequency calibration method for PEPS (passive entry passive start) system |
| CN107662579A (en) * | 2016-07-27 | 2018-02-06 | 华晨汽车集团控股有限公司 | A kind of keyless entry activation system low-frequency calibration and the method for searching Intelligent key |
| CN106842120A (en) * | 2017-04-11 | 2017-06-13 | 东北林业大学 | RSSI indoor multipaths scattering localization method based on optimized algorithm |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896094A (en) * | 2021-04-01 | 2021-06-04 | 上海科世达-华阳汽车电器有限公司 | Operation control method, system and device and vehicle |
| CN112896094B (en) * | 2021-04-01 | 2022-12-20 | 上海科世达-华阳汽车电器有限公司 | Operation control method, system and device and vehicle |
| CN113212421A (en) * | 2021-05-14 | 2021-08-06 | 东风汽车集团股份有限公司 | Key positioning automatic parking method, device, equipment and storage medium |
| CN114019943A (en) * | 2021-11-05 | 2022-02-08 | 浙江吉利控股集团有限公司 | Energy consumption control method and system for automobile key |
| CN115226201A (en) * | 2022-03-15 | 2022-10-21 | 广州汽车集团股份有限公司 | Method and device for calibrating digital key, vehicle and storage medium |
| CN115226201B (en) * | 2022-03-15 | 2024-02-13 | 广州汽车集团股份有限公司 | Digital key calibration method, device, vehicle and storage medium |
| CN115402259A (en) * | 2022-09-09 | 2022-11-29 | 浙江吉利控股集团有限公司 | Control method, control device, automobile and storage medium |
| CN115402259B (en) * | 2022-09-09 | 2024-04-19 | 浙江吉利控股集团有限公司 | Control method, control device, automobile and storage medium |
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Application publication date: 20201201 |