CN110887508B - Dynamic positioning function detection method for vehicle-mounted navigation product - Google Patents
Dynamic positioning function detection method for vehicle-mounted navigation product Download PDFInfo
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- CN110887508B CN110887508B CN201911208024.5A CN201911208024A CN110887508B CN 110887508 B CN110887508 B CN 110887508B CN 201911208024 A CN201911208024 A CN 201911208024A CN 110887508 B CN110887508 B CN 110887508B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- 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
Abstract
A method for detecting dynamic positioning function of vehicle-mounted navigation product relates to a vehicle-mounted product dynamic positioning detection technology, and aims to solve the problem that the existing vehicle-mounted navigation product dynamic positioning function can be detected only under the condition of a certain movement speed. The invention sequentially sends dynamic ephemeris file instructions to the vehicle navigation product through the upper computer; connecting a positioning antenna to the vehicle navigation product; the upper computer sends a positioning state instruction of the product to the vehicle navigation product, and obtains the longitude value of the vehicle navigation product at the moment as D1 and the latitude value as B1; after the interval T seconds, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product again, and the longitude value D2 and the latitude value B2 of the vehicle-mounted navigation product at the moment are obtained again; judging whether D1 and D2 are the same, and judging whether B1 and B2 are the same at the same time; if d2=d1, b2=b1; then the product is disqualified; otherwise, the test result is qualified. The dynamic positioning function detection device has the beneficial effects that dynamic positioning function detection can be met in a static state.
Description
Technical Field
The invention relates to a dynamic positioning detection technology for a vehicle-mounted product.
Background
The vehicle-mounted navigation product belongs to one of vehicle-mounted electronic products, and two methods exist for checking the vehicle-mounted navigation product, wherein the checking method of the first vehicle-mounted navigation product is as follows: connecting a vehicle-mounted navigation product with a positioning antenna, and observing whether the vehicle-mounted navigation product can be positioned within a specified time; the second method for checking the vehicle-mounted navigation products is to check indexes such as positioning time, positioning precision and star searching quantity of the vehicle-mounted navigation products, the method for checking the vehicle-mounted navigation products belongs to the detection of the dynamic positioning functions of the vehicle-mounted navigation products, and the detection of the dynamic positioning functions of the vehicle-mounted navigation products can be completed only by a certain movement speed, so that the detection of the dynamic positioning functions of the vehicle-mounted navigation products has a certain difficulty.
Disclosure of Invention
The invention aims to solve the problem that the existing dynamic positioning function of a vehicle-mounted navigation product can be detected only under the condition that the existing dynamic positioning function of the vehicle-mounted navigation product has a certain movement speed, and provides a method for detecting the dynamic positioning function of the vehicle-mounted navigation product.
The invention relates to a method for detecting the dynamic positioning function of a vehicle-mounted navigation product, which comprises the following steps:
step one, powering on a vehicle-mounted navigation product;
step two, the upper computer sends a dynamic ephemeris file instruction to the vehicle navigation product;
step three, connecting the positioning antenna to the vehicle navigation product; the method comprises the steps that a vehicle-mounted navigation product periodically uploads a positioning state in real time, wherein the positioning state comprises positioning time Q1, a longitude value D and a latitude value B of the positioned vehicle-mounted navigation product; the positioning time Q1 is from the moment when the positioning antenna is connected to the vehicle-mounted navigation product to the moment when positioning is successful;
step four, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product, and the longitude value of the vehicle-mounted navigation product at the moment is D1 and the latitude value is B1;
step five, after the interval T seconds, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product again, and the longitude value of the vehicle-mounted navigation product at the moment is D2 and the latitude value B2 are obtained again;
step six, judging whether the longitude value D1 obtained in the step four is the same as the longitude value D2 obtained in the step five, and judging whether the latitude value obtained in the step four is B1 and the latitude value obtained in the step five is B2; if d2=d1, b2=b1; the dynamic positioning function of the vehicle-mounted navigation product is unqualified; otherwise, the dynamic positioning function of the vehicle-mounted navigation product is qualified.
The invention has the beneficial effects that the satellite transmits positioning data to the vehicle-mounted navigation product by loading the dynamic ephemeris file to simulate the relative motion of the vehicle-mounted navigation product relative to the satellite, so that the vehicle-mounted navigation product is in a static state and can meet the detection of the dynamic positioning function; the detection method is applied to a vehicle navigation product production line, can 100% detect the qualification of the vehicle navigation product, and avoids the problem of missed detection.
Drawings
Fig. 1 is a flowchart of a method for detecting a dynamic positioning function of a vehicle navigation product according to an embodiment.
Detailed Description
The first embodiment is as follows: referring to fig. 1, a method for detecting a dynamic positioning function of a vehicle navigation product according to the present embodiment is described, and the method includes the following steps:
step one, powering on a vehicle-mounted navigation product;
step two, the upper computer sends a dynamic ephemeris file instruction to the vehicle navigation product;
step three, connecting the positioning antenna to the vehicle navigation product; the method comprises the steps that a vehicle-mounted navigation product periodically uploads a positioning state in real time, wherein the positioning state comprises positioning time Q1, a longitude value D and a latitude value B of the positioned vehicle-mounted navigation product; the positioning time Q1 is from the moment when the positioning antenna is connected to the vehicle-mounted navigation product to the moment when positioning is successful;
step four, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product, and the longitude value of the vehicle-mounted navigation product at the moment is D1 and the latitude value is B1;
step five, after the interval T seconds, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product again, and the longitude value of the vehicle-mounted navigation product at the moment is D2 and the latitude value B2 are obtained again;
step six, judging whether the longitude value D1 obtained in the step four is the same as the longitude value D2 obtained in the step five, and judging whether the latitude value obtained in the step four is B1 and the latitude value obtained in the step five is B2; if d2=d1, b2=b1; the dynamic positioning function of the vehicle-mounted navigation product is unqualified; otherwise, the dynamic positioning function of the vehicle-mounted navigation product is qualified.
In the embodiment, for the disqualification of the dynamic positioning function of the vehicle-mounted navigation product, the disqualification of the static positioning function of the vehicle-mounted navigation product is determined through the static positioning function detection, and if the disqualification of the dynamic positioning function and the static positioning function of the vehicle-mounted navigation product is detected, the damage of the positioning module of the vehicle-mounted navigation product is proved; the method for detecting the static positioning function of the vehicle-mounted navigation product comprises the following steps of:
step 1, an upper computer sends a static ephemeris file instruction to a vehicle navigation product; the static ephemeris file is generated according to the effective static positioning time Q0; the effective static positioning time is obtained according to a parameter table of a navigation chip of the vehicle-mounted navigation product;
step 2, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product, and the actual static positioning time Q2 of the vehicle-mounted navigation product at the moment is obtained;
step 3, judging whether the actual static positioning time Q2 in the step 2 is greater than the effective static positioning time Q0 in the step 1; if so, the static positioning function of the vehicle-mounted navigation product is not qualified, otherwise, the static positioning function of the vehicle-mounted navigation product is qualified.
The second embodiment is as follows: the method for detecting a dynamic positioning function of a vehicle navigation product according to the first embodiment is further limited, and in this embodiment, the dynamic ephemeris file command is generated according to an effective positioning speed and an effective dynamic positioning time.
In this embodiment, the effective positioning speed and the effective dynamic positioning time are obtained according to a parameter table of a navigation chip of the vehicle navigation product.
And a third specific embodiment: the present embodiment is further defined by the method for detecting a dynamic positioning function of a vehicle navigation product according to the first embodiment, where in the fifth embodiment, the value of T is 15.
Claims (3)
1. The method for detecting the dynamic positioning function of the vehicle-mounted navigation product is characterized by comprising the following steps of:
step one, powering on a vehicle-mounted navigation product, wherein the vehicle-mounted navigation product is in a static state;
step two, the upper computer sends a dynamic ephemeris file instruction to the vehicle navigation product;
step three, connecting the positioning antenna to the vehicle navigation product; the method comprises the steps that a vehicle-mounted navigation product periodically uploads a positioning state in real time, wherein the positioning state comprises positioning time Q1, a longitude value D and a latitude value B of the positioned vehicle-mounted navigation product; the positioning time Q1 is from the moment when the positioning antenna is connected to the vehicle-mounted navigation product to the moment when positioning is successful;
step four, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product, and the longitude value of the vehicle-mounted navigation product at the moment is D1 and the latitude value is B1;
step five, after the interval T seconds, the upper computer sends a positioning state instruction of the product to the vehicle-mounted navigation product again, and the longitude value of the vehicle-mounted navigation product at the moment is D2 and the latitude value B2 are obtained again;
step six, judging whether the longitude value D1 obtained in the step four is the same as the longitude value D2 obtained in the step five, and judging whether the latitude value obtained in the step four is B1 and the latitude value obtained in the step five is B2; if d2=d1, b2=b1; the dynamic positioning function of the vehicle-mounted navigation product is unqualified; otherwise, the dynamic positioning function of the vehicle-mounted navigation product is qualified.
2. The method for detecting a dynamic positioning function of a vehicle navigation product according to claim 1, wherein the dynamic ephemeris file command is generated according to an effective positioning speed and an effective dynamic positioning time.
3. The method for detecting the dynamic positioning function of a vehicle navigation product according to claim 1, wherein the value of T in the fifth step is 15.
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| EP1491859A1 (en) * | 2003-06-27 | 2004-12-29 | Harman Becker Automotive Systems GmbH | Navigation method and navigation system |
| CN204945382U (en) * | 2015-09-15 | 2016-01-06 | 南京市计量监督检测院 | High precision satellite navigation dynamic measurement detection system |
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| IN2013CH03050A (en) * | 2013-07-08 | 2015-09-04 | Accord Software & Systems Pvt Ltd | |
| US20150219767A1 (en) * | 2014-02-03 | 2015-08-06 | Board Of Regents, The University Of Texas System | System and method for using global navigation satellite system (gnss) navigation and visual navigation to recover absolute position and attitude without any prior association of visual features with known coordinates |
| CN104316938B (en) * | 2014-09-25 | 2016-10-19 | 上海欧科微航天科技有限公司 | A kind of New Satellite simulator for the plesiochronous communication system of low orbit satellite |
| CN104635246A (en) * | 2015-02-27 | 2015-05-20 | 上海市计量测试技术研究院 | System and method for detecting dynamic range of satellite navigation signal |
| CN107462904A (en) * | 2017-07-28 | 2017-12-12 | 东南大学 | The high-precision GNSS terminal dynamic detection and localization car and detection method of GNSS and INS fusions |
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| CN108680934A (en) * | 2018-05-14 | 2018-10-19 | 上海市计量测试技术研究院 | The dynamic range detecting system and detection method of satellite navigation signals |
| CN108680936A (en) * | 2018-05-21 | 2018-10-19 | 中国人民解放军战略支援部队信息工程大学 | Beidou satellite navigation system integrity monitoring appraisal procedure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1491859A1 (en) * | 2003-06-27 | 2004-12-29 | Harman Becker Automotive Systems GmbH | Navigation method and navigation system |
| CN204945382U (en) * | 2015-09-15 | 2016-01-06 | 南京市计量监督检测院 | High precision satellite navigation dynamic measurement detection system |
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