CN113747567B - Self-adaptive calibration data adjustment system, method and medium - Google Patents
Self-adaptive calibration data adjustment system, method and medium Download PDFInfo
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- CN113747567B CN113747567B CN202111043674.6A CN202111043674A CN113747567B CN 113747567 B CN113747567 B CN 113747567B CN 202111043674 A CN202111043674 A CN 202111043674A CN 113747567 B CN113747567 B CN 113747567B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/84—Vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides a self-adaptive calibration data adjustment system, a method and a medium, wherein the system comprises: the device comprises a digital key management module, a calibration adjustment module and a control module. The method comprises the following steps: step S1: connecting Bluetooth, and checking whether calibration data exist by the digital key; step S2: the calibration data in the calibration adjustment module is received and positioned according to the signal intensity information; step S3: introducing an error into the positioning result; step S4: controlling the vehicle according to the positioning result after the error is introduced, returning the vehicle control result to the digital key, and sending new calibration data by the digital key; step S5: and after the vehicle receives the new calibration data, the old calibration data is covered. According to the invention, calibration data can be automatically adjusted according to related operation of a user and Bluetooth positioning conditions so as to achieve better Bluetooth positioning effect in the subsequent use process.
Description
Technical Field
The invention relates to the technical field of Bluetooth calibration, in particular to a self-adaptive calibration data adjustment system, a self-adaptive calibration data adjustment method and a self-adaptive calibration data adjustment medium.
Background
The automobile digital key based on the Bluetooth technology is positioned by means of signal intensity information between a vehicle Bluetooth antenna and intelligent equipment in the Bluetooth positioning process. The specific method is to bind the distances of different positions of the vehicle with the signal intensity information between the vehicle and the digital key at the positions, the binding relationship is called as calibration data, and the binding process is called as Bluetooth calibration. When the Bluetooth positioning is carried out, the Bluetooth positioning algorithm calculates the position of the intelligent device relative to the vehicle according to the signal intensity between the Bluetooth antenna of the current vehicle and the intelligent device and combining calibration data.
Bluetooth calibration data is usually collected under a specific test environment, and this environment is different from the actual use environment of the user, so that the experience of the user on the function cannot reach the design expectation, and the implementation of the function is seriously affected.
The invention patent with publication number of CN111075306A discloses a control method, a device and a controller for height self-adaptive opening of an electric tail gate, which comprises the following steps: acquiring a human body image obtained by shooting a user by a calibrated rear camera; extracting a human body contour from a human body image, positioning key edge points of human body height calculation on the human body contour, and calculating to obtain the human body height of a user according to the key edge points and calibration data of a rear camera; determining the optimal opening height of the electric tail gate according to the human body height of a user; and when receiving an opening instruction of a user for the electric tail gate, controlling the electric tail gate to be opened to the optimal opening height.
In the prior art, when calibrating, firstly fixed point positions are arranged in and outside the vehicle according to the requirements, then Bluetooth signal intensity information between the vehicle and the intelligent equipment is collected at each point position, and the collected signal intensity information and the position information of the collected point positions are bound and shaped into calibration data. The prior art has the defects that: the test environment is different from the actual use environment of the user, so that the experience of the user can not reach the design expectation; the users of the same model use the same set of calibration data, but the actual positioning effect of the mobile phones of the users is possibly greatly different due to shielding objects such as mobile phone shells; the use of fixed calibration data may result in poor bluetooth positioning effects when user habits change.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a self-adaptive calibration data adjustment system, a self-adaptive calibration data adjustment method and a self-adaptive calibration data adjustment medium.
According to the self-adaptive calibration data adjustment system, method and medium provided by the invention, the scheme is as follows:
in a first aspect, there is provided an adaptive calibration data adjustment system, the system comprising:
digital key management module: the module is located at the cloud end and used for storing calibration data of various machine types;
and a calibration adjustment module: the module is positioned in a digital key of the intelligent equipment and is used for automatically adjusting the calibration data and sending the adjusted calibration data to a control module of the vehicle;
and the control module is used for: and the positioning and the vehicle control are completed according to the signal intensity and the received calibration data, certain errors are allowed in the positioning, the vehicle control is allowed in the error range, and the vehicle control result is returned to the calibration adjustment module of the digital key.
Preferably, the digital key management module sends the calibration data of the corresponding model to the digital key after receiving the request calibration data sent by the digital key.
Preferably, the digital key management module further comprises: the calibration data after self-adaptive adjustment can be stored in the corresponding storage space of the digital key management module as personal information of the user.
Preferably, the calibration adjustment module includes: after the Bluetooth connection, checking whether the Bluetooth connection stores calibration data or not, and if the Bluetooth connection stores the calibration data, sending the calibration data to a control module of the vehicle;
if the calibration data do not exist, the calibration data are pulled to the cloud end, stored locally and forwarded to a control module of the vehicle;
and after receiving the vehicle control result returned by the control module, automatically adjusting the calibration data within a certain limit and sending the adjusted calibration data to the control module of the vehicle.
In a second aspect, there is provided a method for adaptive calibration data adjustment, the method comprising:
step S1: connecting Bluetooth, and checking whether calibration data exist by the digital key;
step S2: the calibration data in the calibration adjustment module is received and positioned according to the signal intensity information;
step S3: introducing an error into the positioning result;
step S4: controlling the vehicle according to the positioning result after the error is introduced, returning the vehicle control result to the digital key, and sending new calibration data by the digital key;
step S5: and after the vehicle receives the new calibration data, the old calibration data is covered.
Preferably, the step S1 includes:
step S1.1: the digital key checks whether calibration data exist or not, and if the calibration data exist, the digital key directly sends the calibration data to a control module of the vehicle;
step S1.2: if the calibration data are not available, the calibration data are pulled to the cloud and stored locally and forwarded to a control module of the vehicle.
Preferably, the step S1.2 includes: if the calibration data is not available, the transmitted request calibration data is sent after the cloud receives the request, the digital key receives and stores the calibration data, and the calibration data is transmitted to a control module of the vehicle.
Preferably, the step S4 includes:
step S4.1: if the vehicle control is successful and the calibration data is within the limit range, the calibration data is reduced by a minimum adjustment unit, and new calibration data is sent to the vehicle;
and ending the process if the calibration data is out of the limit range.
Preferably, the step S4 includes:
step S4.2: if the vehicle control fails and the calibration data is within the limit range, expanding the calibration data by a minimum adjustment unit, and transmitting the new calibration data to the vehicle;
and ending the process if the calibration data is out of the limit range.
In a third aspect, there is also provided a computer readable storage medium storing a computer program which, when executed by a processor, implements steps in the adaptive calibration data adjustment method.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention avoids the difference of the Bluetooth positioning function realization effect caused by the environmental difference;
2. the invention can automatically adjust the calibration data according to the vehicle control result;
3. the invention can adapt to different use requirements of different users;
4. according to the invention, the personal calibration data of the user can be used as personal information to be synchronized to the cloud to avoid data loss.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic overall flow chart of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
The embodiment of the invention provides a self-adaptive calibration data adjustment system which is suitable for scenes of keyless entry and keyless start of an automobile. Referring to fig. 1, the system specifically includes: the device comprises a digital key management module, a calibration adjustment module and a control module.
Wherein, the digital key management module: the module is located at the cloud end and used for storing calibration data of various machine types; and after receiving the calibration data of the request sent by the digital key, sending the calibration data of the corresponding model to the digital key. The calibration data after self-adaptive adjustment can be stored in the corresponding storage space of the digital key management module as personal information of the user.
And a calibration adjustment module: the module is positioned in a digital key of the intelligent device and is used for automatically adjusting the calibration data and sending the adjusted calibration data to a control module (digital key controller) of the vehicle.
Specifically, after Bluetooth connection, checking whether calibration data are stored or not, and if the calibration data are stored, sending the calibration data to a control module of the vehicle; if the calibration data do not exist, the calibration data are pulled to the cloud end, stored locally and forwarded to a control module of the vehicle; and after receiving the vehicle control result returned by the control module, automatically adjusting the calibration data within a certain limit and sending the adjusted calibration data to the control module of the vehicle.
And the control module is used for: and the positioning and the vehicle control are completed according to the signal intensity and the received calibration data, certain errors are allowed in the positioning, the vehicle control is allowed in the error range, and the vehicle control result is returned to the calibration adjustment module of the digital key.
Referring to fig. 1, when a user uses a digital key, if there is no calibration data in the digital key, the user requests calibration data from the cloud, and the cloud issues corresponding calibration data according to the type of the requesting device. The digital key stores the received calibration data locally and forwards the received calibration data to a digital key controller of the vehicle through Bluetooth, the digital key controller performs positioning and vehicle control operation according to the signal intensity and the calibration data, positioning allows certain error, vehicle control is allowed in the error range, and a vehicle control result is returned to the digital key. The digital key adjusts the calibration data stored locally according to the vehicle control result, and the adjustment is performed within a certain limiting condition. The calibration data after self-adaptive adjustment can be stored in the corresponding storage space of the digital key management module as personal information of the user.
The invention also provides a self-adaptive calibration data adjustment method, which is shown by referring to FIG. 2, and specifically comprises the following steps:
step S1: connecting Bluetooth, checking whether calibration data exist by a digital key, and if the calibration data exist, directly transmitting the calibration data to a control module of the vehicle; if the calibration data is not available, the transmitted request calibration data is sent after the cloud receives the request, the digital key receives and stores the calibration data, and the calibration data is transmitted to a control module of the vehicle.
Step S2: the method comprises the steps of receiving calibration data in a calibration adjustment module and positioning according to signal intensity information;
step S3: introducing an error into the positioning result;
step S4: and controlling the vehicle according to the positioning result after the error is introduced, returning the vehicle control result to the digital key, and sending new calibration data by the digital key.
Specifically, if the vehicle control is successful and the calibration data is within the limit range, the calibration data is reduced by a minimum adjustable unit, and new calibration data is sent to the vehicle; and ending the process if the calibration data is out of the limit range.
If the vehicle control fails and the calibration data is within the limit range, expanding the calibration data by a minimum adjustable unit, and transmitting new calibration data to the vehicle; and ending the process if the calibration data is out of the limit range.
Step S5: and after the vehicle receives the new calibration data, the old calibration data is covered.
In addition to the above, the present invention may also use a software switch to control the turning on and off of the adaptive function, which may be turned off to prevent the function from adjusting the user's calibration data when the user approves that the current positioning effect or does not wish the calibration data to be adjusted.
The embodiment of the invention provides a self-adaptive calibration data adjustment system, a self-adaptive calibration data adjustment method and a self-adaptive calibration data adjustment medium, which are suitable for scenes of keyless entry and keyless start of an automobile, and automatically adjust calibration data according to an automobile control result so as to achieve an optimal Bluetooth positioning effect; according to the vehicle control result, the calibration data are automatically adjusted, and the personalized calibration data of the user can be stored in a personal storage space of the cloud; and the turning on and off of the adaptive function is controlled by a software switch in the smart device.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (6)
1. An adaptive calibration data adjustment method, comprising:
step S1: connecting with Bluetooth, checking whether calibration data exist or not through a digital key of the intelligent equipment;
step S2: receiving calibration data of a calibration adjustment module in the digital key, and positioning according to the signal intensity information;
step S3: introducing an error into the positioning result;
step S4: controlling the vehicle according to the positioning result after the error is introduced, returning the vehicle control result to the digital key of the intelligent equipment, and sending new calibration data by the digital key;
step S5: after the vehicle receives the new calibration data, the old calibration data is covered;
the step S1 includes:
step S1.1: the digital key checks whether calibration data exist or not, and if the calibration data exist, the digital key directly sends the calibration data to a control module of the vehicle;
step S1.2: if the calibration data are not available, the calibration data are pulled to the cloud end, stored locally and forwarded to a control module of the vehicle;
the step S4 includes:
step S4.1: if the vehicle control is successful and the calibration data is within the limit range, the calibration data is reduced by a minimum adjustment unit, and new calibration data is sent to the vehicle;
if the calibration data is outside the limit range, ending the flow;
step S4.2: if the vehicle control fails and the calibration data is within the limit range, expanding the calibration data by a minimum adjustment unit, and transmitting the new calibration data to the vehicle;
and if the calibration data is out of the limit range, ending the flow.
2. The method for adjusting adaptive calibration data according to claim 1, wherein the step S1.2 comprises: if the calibration data is not available, the transmitted request calibration data is sent after the cloud receives the request, the digital key receives and stores the calibration data, and the calibration data is transmitted to a control module of the vehicle.
3. An adaptive calibration data adjustment system, characterized in that it is based on an adaptive calibration data adjustment method according to any one of claims 1-2, comprising:
digital key management module: the module is located at the cloud end and used for storing calibration data of various machine types;
and a calibration adjustment module: the module is positioned in a digital key of the intelligent equipment and is used for automatically adjusting the calibration data and sending the adjusted calibration data to a control module of the vehicle;
and the control module is used for: positioning and controlling the vehicle are completed according to the signal intensity and the received calibration data, certain errors are allowed in positioning, the vehicle is allowed to be controlled in the error range, and the result of controlling the vehicle is returned to the calibration adjustment module of the digital key;
the calibration adjustment module comprises: after the Bluetooth connection, checking whether the Bluetooth connection stores calibration data or not, and if the Bluetooth connection stores the calibration data, sending the calibration data to a control module of the vehicle;
if the calibration data do not exist, the calibration data are pulled to the cloud end, stored locally and forwarded to a control module of the vehicle;
and after receiving the vehicle control result returned by the control module, automatically adjusting the calibration data within a certain limit and sending the adjusted calibration data to the control module of the vehicle.
4. The adaptive calibration data adjustment system of claim 3, wherein the digital key management module transmits calibration data of a corresponding model to the digital key after receiving the requested calibration data transmitted by the digital key.
5. The adaptive calibration data adjustment system of claim 3, wherein the digital key management module further comprises: the calibration data after self-adaptive adjustment can be stored in the corresponding storage space of the digital key management module as personal information of the user.
6. A computer-readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the method of any one of claims 1 to 2.
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| CN115002270A (en) * | 2022-04-21 | 2022-09-02 | 联合汽车电子有限公司 | Self-calibration method of digital key equipment and digital key equipment |
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| CN112466008A (en) * | 2020-11-05 | 2021-03-09 | 一汽奔腾轿车有限公司 | Digital key positioning optimization method |
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