CN111060930A - High-precision positioning control method and wearable device - Google Patents

High-precision positioning control method and wearable device Download PDF

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Publication number
CN111060930A
CN111060930A CN201911374354.1A CN201911374354A CN111060930A CN 111060930 A CN111060930 A CN 111060930A CN 201911374354 A CN201911374354 A CN 201911374354A CN 111060930 A CN111060930 A CN 111060930A
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China
Prior art keywords
precision positioning
precision
positioning result
program
module
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CN201911374354.1A
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Chinese (zh)
Inventor
陈晓东
关瑞成
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Guangdong Starcart Technology Co ltd
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Guangdong Starcart Technology Co ltd
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Priority to CN201911374354.1A priority Critical patent/CN111060930A/en
Publication of CN111060930A publication Critical patent/CN111060930A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • G01S19/17Emergency applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/34Power consumption
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/48Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G21/00Input or output devices integrated in time-pieces
    • G04G21/02Detectors of external physical values, e.g. temperature
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G21/00Input or output devices integrated in time-pieces
    • G04G21/04Input or output devices integrated in time-pieces using radio waves

Abstract

The invention relates to the technical field of high-precision positioning, and discloses a high-precision positioning control method, which comprises the following steps: judging whether the emergency condition is triggered or not according to sensing data of the gravity sensor; if the wearable equipment is triggered, judging whether the wearable equipment keeps a static state for a first time through the measurement data of the inertia measurement unit; and if the static state is kept for the first time, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time. The invention also discloses high-precision positioning wearable equipment, which is characterized in that: the high-precision positioning wearable device comprises a processor, a gravity sensor, an inertial measurement unit, a positioning module and a position reporting module.

Description

High-precision positioning control method and wearable device
Technical Field
The invention relates to the technical field of high-precision positioning, in particular to a high-precision positioning control method and wearable equipment.
Background
In recent years, various smart wearable devices have become very popular, with smart watches becoming increasingly popular because of their combined daily communication and location monitoring capabilities.
Most of the existing intelligent watches are based on an Android system, the built-in GPS positioning precision is generally 5-15 meters, and the positioning precision is influenced by a plurality of environmental factors, so that positioning errors are easily generated, and the positioning effect is not ideal.
On the other hand, the power consumption of the intelligent watch based on the Android system is a problem, if high-precision positioning is frequently used, the power consumption is very high through 4G position reporting, and especially the intelligent watch integrating high-precision positioning capability generates larger power consumption due to high-precision positioning resolving.
Disclosure of Invention
In order to at least solve the technical problem of real-time high-precision positioning of a user of intelligent wearable equipment in emergency, the invention provides a method for controlling an intelligent watch to work, which adopts the following technical scheme:
a high-precision positioning control method comprises the following steps: judging whether the emergency condition is triggered or not according to sensing data of the gravity sensor; if the wearable equipment is triggered, judging whether the wearable equipment keeps a static state for a first time through the measurement data of the inertia measurement unit; and if the static state is kept for the first time, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
Preferably, if the high-precision tracking program is not triggered, the high-precision tracking program is operated at a second time interval to obtain a high-precision positioning result, the high-precision positioning result is reported, and the high-precision tracking program is closed after the high-precision positioning result is reported.
Preferably, if the positioning information is not triggered, a common positioning program is run to carry out single-point calculation.
Preferably, when the high-precision positioning program is forcibly operated, the vibration program is forcibly operated to enable the wearable device to enter a vibration state.
Preferably, if the operation instruction is not triggered, the operation instruction of the display screen of the wearable device is monitored within a first time period; if a preset first operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
Preferably, if the operation command is not triggered, monitoring an SOS key operation command of a display screen of the wearable device within a first time period; if a preset second operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
Preferably, if the location information of the user is not triggered, the obtained location information of the user is outside a preset geo-fence area, a high-precision positioning program is forcibly operated to calculate to obtain a high-precision positioning result, and the high-precision positioning result is reported in real time.
Preferably, during the forced operation of the high-precision positioning program, other programs of the wearable device are closed according to a preset rule.
On the other hand, the invention also discloses high-precision positioning wearable equipment which comprises a processor, a gravity sensor, an inertial measurement unit, a positioning module and a position reporting module; the processor is used for acquiring sensing data of the gravity sensor and judging whether an emergency condition is triggered or not; the processor is used for acquiring the measurement data of the inertial measurement unit and judging whether the wearable equipment keeps a static state for a first time; the processor is used for issuing an instruction for forcibly operating the high-precision positioning program; the positioning module is used for running a high-precision positioning program to calculate to obtain a high-precision positioning result; and the position reporting module is used for sending the high-precision positioning result to a server in real time.
Preferably, the positioning module comprises a CORS service module, a positioning module and a calculating module; the CORS service module is used for acquiring differential data; the positioning module is used for carrying out single-point calculation to obtain a positioning result; and the resolving module is used for performing RTD/RTK resolving according to the differential data and the positioning result to obtain a high-precision positioning result.
Some technical effects of the invention are as follows: when the emergency situation that the body of a user of the intelligent wearable device cannot be controlled occurs, the intelligent wearable device is forced to operate the high-precision positioning program to obtain a high-precision positioning result and upload the positioning result in real time, meanwhile, in order to reduce the power consumption of the high-precision positioning program, a high-precision tracking program and a common positioning program are also set, the high-precision positioning can be rapidly and simply carried out under the emergency situation, and the user can rapidly obtain rescue under the emergency situation.
Drawings
For a better understanding of the technical solution of the present invention, reference is made to the following drawings, which are included to assist in describing the prior art or embodiments. These drawings will selectively demonstrate articles of manufacture or methods related to either the prior art or some embodiments of the invention. The basic information for these figures is as follows:
fig. 1 is a schematic diagram of a method for high-precision positioning control in an embodiment.
Detailed Description
The technical means or technical effects related to the present invention will be further described below, and it is obvious that the examples provided are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step, will be within the scope of the present invention based on the embodiments of the present invention and the explicit or implicit representations or hints.
On the general idea, the invention discloses a high-precision positioning control method, which comprises the following steps: judging whether the emergency condition is triggered or not according to sensing data of the gravity sensor; if the wearable equipment is triggered, judging whether the wearable equipment keeps a static state for a first time through the measurement data of the inertia measurement unit; and if the static state is kept for the first time, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
The wearable device with the built-in gravity sensor detects that the user of the wearable device falls down, and can refer to the auxiliary mountain climbing device which executes the prior art, for example, the utility model with the authorized bulletin number of CN204994775U and prevents falling down.
The gravity sensor utilizes the characteristic that the crystal is deformed due to acceleration in the gravity sensor. Since this deformation generates a voltage, the acceleration can be converted into a voltage output as long as the relationship between the generated voltage and the applied acceleration is calculated. There are, of course, many other methods to make acceleration sensors, such as capacitance effect, thermal bubble effect, and optical effect, but the most basic principle is that some medium is deformed due to acceleration, and the deformation is measured and converted into voltage output by related circuits.
The emergency condition refers to the situation that a user of the wearable device falls into a coma or cannot control the body of the user after falling; generally speaking, a user of a wearable device may need to adjust a high-precision positioning function of the wearable device to obtain a high-precision positioning result if a child or an elderly person occurs in the event of the above emergency, so as to facilitate timely rescue by rescuers.
The first time period may be preset by a person skilled in the art according to technical needs, and generally speaking, after the emergency condition is triggered, it indicates that the user needs emergency assistance, so the first time period may be preset to 1 minute, and may also be preset to other times in consideration of the possibility of misoperation or equipment sensitivity problem.
An Inertial Measurement Unit (IMU) is a device for measuring the three-axis attitude angle (or angular velocity) and acceleration of an object. Generally, an IMU includes three single-axis accelerometers and three single-axis gyroscopes, the accelerometers detect acceleration signals of an object in three independent axes of a carrier coordinate system, and the gyroscopes detect angular velocity signals of the carrier relative to a navigation coordinate system, and measure angular velocity and acceleration of the object in three-dimensional space, and then solve the attitude of the object. In the scheme, the attitude change of the wearable equipment is monitored by the inertial measurement unit, and if the attitude of the wearable equipment is not changed within the first time period of prediction, the wearable equipment is considered to be in a static state.
If the static state is maintained for the first time period, an instruction for forcing the high-precision positioning program to run is sent out by a processor of the wearable device. The positioning module of the wearable device receives the instruction and then runs a high-precision positioning program; the positioning module comprises a CORS (satellite positioning service Reference Stations) service module, a positioning module and a settlement module; the CORS service module is used for linking a CORS network to obtain differential data; the positioning module is used for carrying out single-point calculation according to the system ephemeris collected by the GPS unit to obtain a positioning result (low precision); and the resolving module is used for performing RTD/RTK resolving according to the differential data and the positioning result (low precision) to obtain a high-precision positioning result. And the position reporting module sends the high-precision positioning result to a server in real time.
In one embodiment, as shown in fig. 1, the real-time reporting refers to reporting according to a frequency of high-precision solution, that is, reporting in real time in one second if a solution frequency of a high-precision positioning result is once in one second, reporting in real time in one second if a settlement frequency of the high-precision positioning result is once in 5 seconds, reporting in real time in 5 seconds, and reporting as long as a settlement is performed to obtain the high-precision positioning result. Some technical effects of this technical scheme lie in: the high-precision positioning result is reported to the server, and the server synchronizes the high-precision positioning result to other mobile terminals associated with the wearable device, so that rescue workers can conveniently rescue according to the high-precision positioning result.
In some embodiments, if the high-precision tracking program is not triggered, the high-precision tracking program is operated at a second time interval to obtain a high-precision positioning result, the high-precision positioning result is reported, and the high-precision tracking program is closed after the high-precision positioning result is reported.
The second time interval refers to that in order to slow down the energy consumption of the wearable device, a high-precision tracking program is operated once at intervals; the second time period is generally set to 15 minutes, 20 minutes or 30 minutes, other time periods may also be preset by those skilled in the art according to technical needs; the high-precision tracking program is also operated by a positioning module of the wearable device, and a CORS service module is used for linking a CORS network to obtain differential data; the positioning module carries out single-point calculation according to the system ephemeris collected by the GPS unit to obtain a positioning result (low precision); and the calculating module performs RTD/RTK calculation according to the differential data and the positioning result (low precision) to obtain a high-precision positioning result, and the position reporting module sends the high-precision positioning result to the server.
The high-precision positioning program and the high-precision tracking program are different in that: the high-precision positioning program is used for continuously resolving at a certain frequency to obtain a high-precision positioning result and reporting the high-precision positioning result in real time, namely continuously operating the CORS service module, continuously positioning the module, continuously resolving the module and continuously reporting the position. And the high-precision tracking program operates to obtain a high-precision positioning result and uploads the high-precision positioning result, and the operation of the high-precision tracking program is closed after the high-precision positioning result is uploaded. And closing the operation of the high-precision tracking program, namely closing the operation of the CORS service module, closing the operation of the positioning module, closing the operation of the resolving module, and closing the operation of the position reporting module. Some technical effects of this technical scheme lie in: because high accuracy location procedure energy consumption is higher, is unfavorable for wearable equipment's long-term use, tracks the procedure through the high accuracy of a period of interval operation once, is favorable to slowing down the consumption, prolongs wearable equipment's live time.
In some embodiments, if not triggered, a normal positioning program is run to perform a single point solution.
And (4) operating a common positioning program, namely only operating a positioning module, and performing single-shop settlement by the positioning module according to the system ephemeris collected by the GPS unit. The high-precision positioning program consumes very much power, while the ordinary positioning program consumes less power, so the ordinary program can be continuously operated as the high-precision positioning program or operated once at intervals as the high-precision tracking program.
In some embodiments, when the high-precision positioning program is forcibly run, the vibration program is forcibly run, so that the wearable device enters a vibration state.
The technical effect of forcibly operating the vibration program is as follows: the user of the wearable device is reminded through the vibration effect, if the user is not in an emergency state of falling or being incapable of controlling the body, the high-precision positioning program can be manually closed, and false triggering caused by the wearable device is prevented.
In some embodiments, if not triggered, monitoring an operation instruction of a display screen of the wearable device within a first duration; if a preset first operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
The first operation instruction refers to an operation instruction of the display screen, and the operation instruction of the display screen is the number of times of continuously tapping the screen in a unit time, generally speaking, the operation instruction may be 2 times or 3 times of continuously tapping the screen in 2 seconds, or 2 times of continuously tapping the screen in 1 second, and those skilled in the art may preset other similar operation instructions according to technical requirements.
And if a preset first operation instruction is detected within the first time length, directly and forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
In some embodiments, if the operation command is not triggered, monitoring an SOS key operation command of a display screen of the wearable device within a first time period; if a preset second operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
The second operation instruction refers to an operation instruction of the SOS key, and the operation instruction of the SOS key is a number of times that the SOS key is continuously pressed in a unit time, generally speaking, the SOS key may be continuously pressed 2 times or 3 times in 2 seconds, or the SOS key may be continuously pressed 2 times in 1 second, and those skilled in the art may preset other similar operation instructions according to technical requirements.
And if a preset second operation instruction is detected within the first time length, directly and forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
In some embodiments, if the location information of the user is not triggered, the obtained location information is outside a preset geo-fence area, a high-precision positioning program is forcibly operated to calculate to obtain a high-precision positioning result, and the high-precision positioning result is reported in real time.
Geo-fencing (Geo-fencing) is a new application of LBS, which is to use a virtual fence to enclose a virtual geographic boundary. The handset may receive automatic notifications and alerts when the handset enters, leaves, or is active within a particular geographic area. With geo-fencing, a location social networking site can help users automatically register when entering a certain region.
The wearable device can preset one or more geo-fences in advance, when the fact that the user of the wearable device appears outside the preset geo-fences is found through the positioning results, the situation that the user is possibly in a dangerous area at present or the positioning results cause deviation is shown, the high-precision positioning program is forcibly operated to obtain high-precision positioning results through calculation, and the high-precision positioning results are reported in real time.
In some embodiments, during the forced running of the high-precision positioning program, other programs of the wearable device are closed according to a preset rule.
The preset rule refers to closing other unrelated programs except for functional modules necessary for the high-precision positioning program, such as a CORS service module, a positioning module, a settlement module and a position reporting module, in order to maintain the continuous operation of the high-precision positioning program from the viewpoint of power consumption. The content of other programs can be preset by those skilled in the art according to technical needs.
On the other hand, the invention also discloses high-precision positioning wearable equipment which comprises a processor, a gravity sensor, an inertial measurement unit, a positioning module and a position reporting module; the processor is used for acquiring sensing data of the gravity sensor and judging whether an emergency condition is triggered or not; the processor is used for acquiring the measurement data of the inertial measurement unit and judging whether the wearable equipment keeps a static state for a first time; the processor is used for issuing an instruction for forcibly operating the high-precision positioning program; the positioning module is used for running a high-precision positioning program to calculate to obtain a high-precision positioning result; and the position reporting module is used for sending the high-precision positioning result to a server in real time.
In some embodiments, the location module comprises a CORS service module, a location module, and a calculation module; the CORS service module is used for acquiring differential data; the positioning module is used for carrying out single-point calculation to obtain a positioning result; and the resolving module is used for performing RTD/RTK resolving according to the differential data and the positioning result to obtain a high-precision positioning result.
In some embodiments, the processor, the gravity sensor, the inertial measurement unit, the positioning module, and the position reporting module may be integrated on an integral working unit, or may be respectively belonging to independent working units and cooperating with each other.
The various embodiments or features mentioned herein may be combined with each other as additional alternative embodiments without conflict, within the knowledge and ability level of those skilled in the art, and a limited number of alternative embodiments formed by a limited number of combinations of features not listed above are still within the scope of the present disclosure, as understood or inferred by those skilled in the art from the figures and above.
Finally, it is emphasized that the above-mentioned embodiments, which are typical and preferred embodiments of the present invention, are only used for explaining and explaining the technical solutions of the present invention in detail for the convenience of the reader, and are not used to limit the protection scope or application of the present invention.
Therefore, any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. A high-precision positioning control method is characterized by comprising the following steps: the method comprises the following steps:
judging whether the emergency condition is triggered or not according to sensing data of the gravity sensor;
if the wearable equipment is triggered, judging whether the wearable equipment keeps a static state for a first time through the measurement data of the inertia measurement unit;
and if the static state is kept for the first time, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
2. The method of claim 1, wherein:
and if not, operating a high-precision tracking program at an interval of a second time length to obtain a high-precision positioning result, reporting the high-precision positioning result, and closing the high-precision tracking program after reporting.
3. The method of claim 1, wherein:
and if not, running a common positioning program to carry out single-point calculation.
4. The method of claim 1, wherein:
and when the high-precision positioning program is forcibly operated, forcibly operating the vibration program to enable the wearable equipment to enter a vibration state.
5. The method of claim 1, wherein:
if not, monitoring an operation instruction of a display screen of the wearable device within a first time period;
if a preset first operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
6. The method of claim 1, wherein:
if not, monitoring an SOS key operation instruction of a display screen of the wearable device within a first time period;
if a preset second operation instruction is monitored, forcibly running a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
7. The method of claim 1, wherein:
if the user is not triggered, acquiring the position information of the user outside a preset geographic fence area, forcibly operating a high-precision positioning program to calculate to obtain a high-precision positioning result, and reporting the high-precision positioning result in real time.
8. The method of claim 1, wherein:
and during the forced operation of the high-precision positioning program, other programs of the wearable device are closed according to a preset rule.
9. The utility model provides a wearable equipment of high accuracy location which characterized in that:
the high-precision positioning wearable device comprises a processor, a gravity sensor, an inertial measurement unit, a positioning module and a position reporting module;
the processor is used for acquiring sensing data of the gravity sensor and judging whether an emergency condition is triggered or not;
the processor is used for acquiring the measurement data of the inertial measurement unit and judging whether the wearable equipment keeps a static state for a first time;
the processor is used for issuing an instruction for forcibly operating the high-precision positioning program;
the positioning module is used for running a high-precision positioning program to calculate to obtain a high-precision positioning result;
and the position reporting module is used for sending the high-precision positioning result to a server in real time.
10. The wearable device of claim 9, wherein:
the positioning module comprises a CORS service module, a positioning module and a calculation module;
the CORS service module is used for acquiring differential data;
the positioning module is used for carrying out single-point calculation to obtain a positioning result;
and the resolving module is used for performing RTD/RTK resolving according to the differential data and the positioning result to obtain a high-precision positioning result.
CN201911374354.1A 2019-12-26 2019-12-26 High-precision positioning control method and wearable device Pending CN111060930A (en)

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Application publication date: 20200424