CN111273325A - Method, device and system for converting differential satellite positioning data - Google Patents
Method, device and system for converting differential satellite positioning data Download PDFInfo
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- CN111273325A CN111273325A CN202010088054.3A CN202010088054A CN111273325A CN 111273325 A CN111273325 A CN 111273325A CN 202010088054 A CN202010088054 A CN 202010088054A CN 111273325 A CN111273325 A CN 111273325A
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- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining 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
- G01S19/42—Determining position
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- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining 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
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/16—Control of vehicles or other craft
- G09B19/167—Control of land vehicles
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Abstract
The invention relates to the technical field of traffic management, and particularly discloses a differential satellite positioning data conversion method, which comprises the following steps: acquiring differential positioning data of different protocols; carrying out data analysis on differential positioning data of different protocols to obtain analysis data; extracting key parameters in the analysis data; and reconstructing the key parameters according to a preset standard protocol to obtain differential positioning data which accords with the preset standard protocol. The invention also discloses a device and a system for converting the differential satellite positioning data. The differential satellite positioning data conversion method provided by the invention can effectively solve the problems of multiple types, various types and the like of differential data protocols used by the existing examination system, improves the compatibility and the universality of equipment, is also beneficial to rechecking and verifying the positioning precision of the examination system, and improves the positioning precision and the judgment accuracy.
Description
Technical Field
The invention relates to the technical field of traffic management, in particular to a differential satellite positioning data conversion method, a differential satellite positioning data conversion device and a differential satellite positioning data conversion system comprising the differential satellite positioning data conversion device.
Background
According to relevant requirements, the examination business of the motor vehicle driver needs to use an examination system for auxiliary judgment. The differential satellite positioning technology is applied to the examination work of the motor vehicle driver in China, revolutionary changes are brought to the examination mode of the driver, the driver is free from the limitation of weather such as rain, fog and the like on the examination organization, the site construction, reconstruction and maintenance cost is reduced, great cheapness is provided in the aspects of organization, arrangement and the like of the examination work, and great contribution is made in the aspects of standardizing the examination work and improving the examination quality.
The differential satellite positioning data is core data of an examination system of a motor vehicle driver, impartial and impartial effects on examination judgment are influenced, headers and protocols of messages used by each satellite are different with the increase of various satellite devices, and the problems in the aspects of application are solved: firstly, because the protocol variety that equipment used is many, reduced product development, upgrading efficiency, increased manufacturing cost. And secondly, the equipment compatibility and the universality are poor, different manufacturers, even different batches of equipment of the same manufacturer cannot be compatible, and the equipment is interchangeable and has higher after-sale cost. Thirdly, the supervision difficulty of data in the examination process of the motor vehicle driver is increased, the difference of communication protocols of examination systems causes the difference of positioning data in the examination process to be larger, and a driver examination management department cannot position, screen and repeatedly judge the doubt data in mass data to standardize the examination work of the motor vehicle driver.
Therefore, how to provide a differential positioning satellite data forwarding system suitable for an examination system of a motor vehicle driver to improve the expansibility and compatibility of the examination system becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention provides a differential satellite positioning data conversion method, a differential satellite positioning data conversion device and a differential satellite positioning data conversion system comprising the differential satellite positioning data conversion device, and solves the problem of poor compatibility of a motor vehicle driver examination system in the related art.
As a first aspect of the present invention, there is provided a differential satellite positioning data conversion method, including:
acquiring differential positioning data of different protocols;
carrying out data analysis on differential positioning data of different protocols to obtain analysis data;
extracting key parameters in the analysis data;
and reconstructing the key parameters according to a preset standard protocol to obtain differential positioning data which accords with the preset standard protocol.
Further, the key parameters include satellite time, longitude, latitude, altitude, azimuth, pitch angle, speed angle, velocity, roll, satellite positioning state, satellite orientation state, number of available stars for the front antenna, number of available stars for the rear antenna, east-direction position coordinates, north-direction position coordinates, sky-direction position coordinates, east-direction velocity, north-direction velocity, and sky-direction velocity.
Further, the differential positioning data of the different protocols comprises: differential positioning data of motor vehicle driver test systems of PJK, GPTRA and GPVTG protocols.
Further, the effective data in the differential positioning data of the vehicle driver test system of the PJK, GPTRA and GPVTG protocols comprises: the method comprises the steps of message header, time, X coordinate, Y coordinate, altitude, direction angle, pitch angle, roll angle, solution state, satellite number, motion direction and satellite number participating in solution.
Further, the differential positioning data of the different protocols comprises: differential positioning data for automotive driver test systems in HEADINGA, GPGGA, GPVTG, and GPRMC protocols.
Further, effective data in the differential positioning data of the vehicle driver test system of the HEADINGA, GPGGA, GPVTG and GPRMC protocols comprises: solution state, positioning state, heading angle, number of satellite particles participating in the solution, UTC time, latitude, longitude, GPS state, altitude, differential time interval, and velocity.
As another aspect of the present invention, there is provided a differential satellite positioning data converting apparatus, comprising:
the acquisition module is used for acquiring differential positioning data of different protocols;
the analysis module is used for carrying out data analysis on the differential positioning data of different protocols to obtain analysis data;
the extraction module is used for extracting key parameters in the analysis data;
and the reconstruction module is used for reconstructing the key parameters according to a preset standard protocol to obtain the differential positioning data which accords with the preset standard protocol.
As another aspect of the present invention, there is provided a differential satellite positioning data conversion system, comprising: the communication module is in communication connection with the differential satellite positioning data conversion device;
the communication module is used for receiving differential satellite positioning data of different protocols output by the motor vehicle driver examination system and outputting the differential positioning data which is obtained by the differential satellite positioning data conversion device and accords with a preset standard protocol;
the differential satellite positioning data conversion device is used for converting the differential satellite positioning data of different protocols into differential positioning data which accords with a preset standard protocol.
Furthermore, the communication module comprises a wired communication module and a wireless communication module, the wired communication module is used for receiving differential satellite positioning data of different protocols output by the motor vehicle driver examination system, and the wireless communication module is used for outputting the differential satellite positioning data which are obtained by the differential satellite positioning data conversion device and accord with a preset standard protocol.
Further, the differential satellite positioning data conversion device comprises a single chip microcomputer.
According to the differential satellite positioning data conversion method provided by the embodiment of the invention, differential positioning data of different protocols are analyzed, key parameters are extracted, and finally the differential positioning data which accord with a preset standard protocol are obtained through reconstruction. The differential satellite positioning data conversion method can effectively solve the problems of multiple types, various types and the like of differential data protocols used by the existing examination system, improves the compatibility and the universality of equipment, is also favorable for rechecking and verifying the positioning precision of the examination system, and improves the positioning precision and the judgment accuracy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a method for converting differential satellite positioning data according to the present invention.
Fig. 2 is a schematic structural diagram of a differential satellite positioning data conversion system provided in the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a method for converting differential satellite positioning data is provided, and fig. 1 is a flowchart of the method for converting differential satellite positioning data according to the embodiment of the present invention, as shown in fig. 1, including:
s110, acquiring differential positioning data of different protocols;
s120, carrying out data analysis on the differential positioning data of different protocols to obtain analysis data;
s130, extracting key parameters in the analysis data;
s140, reconstructing the key parameters according to a preset standard protocol to obtain differential positioning data which accord with the preset standard protocol.
According to the differential satellite positioning data conversion method provided by the embodiment of the invention, differential positioning data of different protocols are analyzed, key parameters are extracted, and finally the differential positioning data which accord with a preset standard protocol are obtained through reconstruction. The differential satellite positioning data conversion method can effectively solve the problems of multiple types, various types and the like of differential data protocols used by the existing examination system, improves the compatibility and the universality of equipment, is also favorable for rechecking and verifying the positioning precision of the examination system, and improves the positioning precision and the judgment accuracy.
It should be understood that the differential positioning data of different protocols are based on the differential positioning data of different protocols output by the test system of the driver of the motor vehicle, which is different from the differential positioning data of the preset standard protocol, so that the differential positioning data of different protocols needs to be converted into the differential positioning data of the preset standard protocol.
It should be noted that the preset standard protocol may specifically be part 3 of general technical conditions of motor vehicle driver examination system, which conforms to the public security industry standard GA/T1028.3-2017: the protocol required by the field driving skill examination system.
Specifically, the key parameters include satellite time, longitude, latitude, altitude, azimuth, pitch angle, speed, roll, satellite positioning state, satellite orientation state, available number of stars in the front antenna, available number of stars in the rear antenna, east-direction position coordinates, north-direction position coordinates, sky-direction position coordinates, east-direction speed, north-direction speed, and sky-direction speed.
Specifically, the differential positioning data of different protocols includes: differential positioning data of motor vehicle driver test systems of PJK, GPTRA and GPVTG protocols.
Further specifically, the effective data in the differential positioning data of the vehicle driver test system of the PJK, GPTRA and GPVTG protocols comprises: the method comprises the steps of message header, time, X coordinate, Y coordinate, altitude, direction angle, pitch angle, roll angle, solution state, satellite number, motion direction and satellite number participating in solution.
Specifically, the differential positioning data of different protocols includes: differential positioning data for automotive driver test systems in HEADINGA, GPGGA, GPVTG, and GPRMC protocols.
Further specifically, the effective data in the differential positioning data of the vehicle driver test system of the HEADINGA, GPGGA, GPVTG and GPRMC protocols comprises: solution state, positioning state, heading angle, number of satellite particles participating in the solution, UTC time, latitude, longitude, GPS state, altitude, differential time interval, and velocity.
It should be understood that the differential positioning data of different protocols according to the embodiment of the present invention is not limited to the differential positioning data of the vehicle driver test system of the PJK, GPTRA, and GPVTG protocols and the differential positioning data of the vehicle driver test system of the HEADINGA, GPGGA, GPVTG, and GPRMC protocols, and may also include differential positioning data of other formats, which may be specifically selected according to requirements, and is not limited herein.
The method for converting differential satellite positioning data provided by the embodiment of the invention is described in detail below.
After receiving the check positioning data of different protocols output by the examination system, analyzing the differential positioning data of the different protocols, then extracting key parameters, and finally reconstructing the data information of different formats according to a preset standard protocol. For example, the valid data of the motor vehicle driver examination system using the PJK, GPTRA and GPVTG protocols are as follows: message header, time, X coordinate, Y coordinate, altitude, direction angle, pitch angle, roll angle, solution state (positioning and orientation), satellite number, motion direction and satellite number participating in resolving. The effective data of the motor vehicle driver examination system using HEADINGA, GPGGA, GPVTG and GPRMC protocols are as follows: resolving state, positioning state, course angle, number of satellite participating in resolving, UTC time, latitude, longitude, GPS state, altitude, differential time interval and speed. Deconstructing data of different protocols, extracting key data, converting and converting the key data to finally form a data format of a standard protocol containing information such as a message protocol header, satellite time, longitude, latitude, altitude, azimuth angle, pitch angle, speed, roll, satellite positioning state, satellite orientation state, available front antenna star number, available rear antenna star number, east position coordinate, north position coordinate, sky position coordinate, east speed, north speed, sky speed, check bit and the like.
The standardized communication protocol data protocol takes KSXT as the beginning of a message, and has 23 bits, wherein 2 bits are reserved as subsequent extension bits, and example data: $ KSXT,2019111806284180,117.20798262,31.86242336,29.8710,349.52, … …, # FFFFFFFF.
In summary, the differential satellite positioning data conversion method provided by the embodiment of the invention can realize that the differential positioning data of different types of test systems is converted into standard data to be output, effectively improves the compatibility and the universality of test system equipment, and is beneficial to test and supervision of the test systems.
As another embodiment of the present invention, there is provided a differential satellite positioning data converting apparatus, including:
the acquisition module is used for acquiring differential positioning data of different protocols;
the analysis module is used for carrying out data analysis on the differential positioning data of different protocols to obtain analysis data;
the extraction module is used for extracting key parameters in the analysis data;
and the reconstruction module is used for reconstructing the key parameters according to a preset standard protocol to obtain the differential positioning data which accords with the preset standard protocol.
According to the differential satellite positioning data conversion device provided by the embodiment of the invention, differential positioning data of different protocols are analyzed, key parameters are extracted, and finally the differential positioning data which accord with a preset standard protocol are obtained through reconstruction. The differential satellite positioning data conversion device can effectively solve the problems of multiple types, various types and the like of differential data protocols in use of the existing examination system, improves the compatibility and the universality of equipment, is also favorable for rechecking and verifying the positioning precision of the examination system, and improves the positioning precision and the judgment accuracy.
For the working process of the differential satellite positioning data conversion apparatus provided in the embodiment of the present invention, reference may be made to the description of the differential satellite positioning data conversion method, which is not described herein again.
As another embodiment of the present invention, a differential satellite positioning data conversion system is provided, which includes: the communication module is in communication connection with the differential satellite positioning data conversion device;
the communication module is used for receiving differential satellite positioning data of different protocols output by the motor vehicle driver examination system and outputting the differential positioning data which is obtained by the differential satellite positioning data conversion device and accords with a preset standard protocol;
the differential satellite positioning data conversion device is used for converting the differential satellite positioning data of different protocols into differential positioning data which accords with a preset standard protocol.
The differential satellite positioning data conversion system provided by the embodiment of the invention adopts the differential satellite positioning data conversion device, analyzes the differential positioning data of different protocols, extracts key parameters, and finally obtains the differential positioning data according with the preset standard protocol through reconstruction. The differential satellite positioning data conversion system can effectively solve the problems of multiple types, various types and the like of differential data protocols in use of the existing examination system, improves the compatibility and the universality of equipment, is also favorable for rechecking and verifying the positioning precision of the examination system, and improves the positioning precision and the judgment accuracy.
Specifically, the communication module includes wired communication module and wireless communication module, wired communication module is used for receiving the difference satellite positioning data of the different agreements of motor vehicle driver examination system output, wireless communication module is used for exporting the difference positioning data that accords with the default standard protocol that difference satellite positioning data conversion device obtained.
Preferably, the wired communication module comprises a wired network port or serial port communication; the wireless communication module comprises a wifi communication module.
Preferably, the differential satellite positioning data conversion device comprises a single chip microcomputer.
The following describes the differential satellite positioning data conversion system provided by the embodiment of the present invention in detail with reference to fig. 2.
As shown in fig. 2: the differential satellite positioning data conversion system comprises a single chip microcomputer, a communication module, a power supply module and a working state indicating module. The power supply module is respectively connected with the communication module, the singlechip, the working state indicating module and the power supply interface; the communication module is respectively connected with the singlechip, the working state indicating module, the power supply module, the network interface and the wifi communication module; the singlechip is connected with the communication module, the working state indicating module, the power supply module and the serial port; the working state indicating module is connected with the single chip microcomputer, the communication module and the power supply module.
And the differential satellite positioning data conversion system is connected with a power supply through a power interface to supply power. The original differential satellite positioning data is input into the singlechip through a wired network port via the communication module or directly input into the singlechip through a serial port. And the singlechip is used for presetting a program algorithm, analyzing the differential satellite positioning data, extracting key parameters and reconstructing data. And the differential data converted into the standard format is output by the communication module through the wireless wifi communication module. When the normal power supply system of equipment normally starts, the red light in the working state indicating module, the green light of the working state indicating module when the original differential data is input to the serial port, the yellow light of the working state indicating module when the single chip microcomputer normally analyzes the data, and the blue light of the working state indicating module when the wifi communication module outputs the data.
The differential satellite positioning data conversion system provided by the embodiment of the invention can play a role in analyzing and converting different differential satellite positioning data, can receive original differential satellite positioning data through a serial port and a network port, outputs the converted standard data through a wireless wifi module, utilizes a single chip microcomputer to support the analysis and reconstruction of most of the differential satellite positioning data, and is provided with an indicator lamp to prompt different working states, is suitable for a motor vehicle driver examination system to receive the differential positioning data output by different satellite positioning devices or to perform data test acceptance on the motor vehicle driver examination system, effectively solves the problems of multiple types, various types and the like of differential data protocols in the existing examination system, improves the compatibility and the universality of equipment, and is also beneficial to rechecking and checking the positioning accuracy of the examination system, and the positioning precision and the judgment accuracy are improved.
The working process of the differential satellite positioning data conversion system provided by the embodiment of the present invention may also refer to the description of the differential satellite positioning data conversion method, and is not described herein again.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method for converting differential satellite positioning data comprises the following steps:
acquiring differential positioning data of different protocols;
carrying out data analysis on differential positioning data of different protocols to obtain analysis data;
extracting key parameters in the analysis data;
and reconstructing the key parameters according to a preset standard protocol to obtain differential positioning data which accords with the preset standard protocol.
2. The method of claim 1, wherein the key parameters include satellite time, longitude, latitude, altitude, azimuth, pitch angle, speed, roll, satellite positioning state, satellite orientation state, number of available stars in front antenna, number of available stars in rear antenna, east position coordinate, north position coordinate, sky position coordinate, east speed, north speed, and sky speed.
3. The method for translating differential satellite positioning data according to claim 1, wherein the differential positioning data of different protocols comprises: differential positioning data of motor vehicle driver test systems of PJK, GPTRA and GPVTG protocols.
4. The method for translating differential satellite positioning data according to claim 3, wherein the valid data in the differential positioning data of the vehicle driver test system in PJK, GPTRA and GPVTG protocols comprises: the method comprises the steps of message header, time, X coordinate, Y coordinate, altitude, direction angle, pitch angle, roll angle, solution state, satellite number, motion direction and satellite number participating in solution.
5. The method for translating differential satellite positioning data according to claim 1, wherein the differential positioning data of different protocols comprises: differential positioning data for automotive driver test systems in HEADINGA, GPGGA, GPVTG, and GPRMC protocols.
6. The method for translating differential satellite positioning data according to claim 5, wherein the valid data in the differential positioning data of the driver test system of the vehicle under HEADINGA, GPGGA, GPVTG and GPRMC protocols comprises: solution state, positioning state, heading angle, number of satellite particles participating in the solution, UTC time, latitude, longitude, GPS state, altitude, differential time interval, and velocity.
7. A differential satellite positioning data conversion apparatus, comprising:
the acquisition module is used for acquiring differential positioning data of different protocols;
the analysis module is used for carrying out data analysis on the differential positioning data of different protocols to obtain analysis data;
the extraction module is used for extracting key parameters in the analysis data;
and the reconstruction module is used for reconstructing the key parameters according to a preset standard protocol to obtain the differential positioning data which accords with the preset standard protocol.
8. A differential satellite positioning data conversion system, comprising: the differential satellite positioning data conversion device of claim 7 and a communication module, the communication module communicatively coupled to the differential satellite positioning data conversion device;
the communication module is used for receiving differential satellite positioning data of different protocols output by the motor vehicle driver examination system and outputting the differential positioning data which is obtained by the differential satellite positioning data conversion device and accords with a preset standard protocol;
the differential satellite positioning data conversion device is used for converting the differential satellite positioning data of different protocols into differential positioning data which accords with a preset standard protocol.
9. The system for converting differential satellite positioning data according to claim 8, wherein the communication module comprises a wired communication module and a wireless communication module, the wired communication module is configured to receive the differential satellite positioning data with different protocols output by the test system for drivers of motor vehicles, and the wireless communication module is configured to output the differential positioning data obtained by the differential satellite positioning data converting device and conforming to a preset standard protocol.
10. The differential satellite positioning data conversion system of claim 8, wherein the differential satellite positioning data conversion device comprises a single-chip microcomputer.
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