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Self-adapting correction method for mileage calculation

An adaptive and mileage technology, applied in the field of vehicle GPS navigation, which can solve the problem of large mileage calculation error and so on.

Active Publication Date: 2013-03-20
TIANZE INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Overcome the defects of large mileage calculation errors caused by GPS positioning errors, signal blind spots and long sampling time intervals

Method used

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  • Self-adapting correction method for mileage calculation

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Embodiment Construction

[0054] Refer to attached Figure 1~5 , a system overall process of the self-adaptive correction method for long sampling time interval GPS data mileage calculation of the present invention includes: real-time data collection of GPS vehicle-mounted terminal, and the collected data is transmitted to the operation center through the network for analysis and storage; The processing platform performs real-time calculation, analysis and other data processing based on the parsed GPS information to apply future services, including mileage calculation and correction involved in this method; the processed results are stored in the business database for use by other applications.

[0055] The GPS vehicle-mounted terminal adopts a commercially available vehicle-mounted GPS receiver.

[0056] An adaptive correction method for mileage calculation includes the following steps,

[0057] 1) Real-time processing of GPS sampling data

[0058] Described GPS sampling data mainly comprises sampli...

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Abstract

The invention belongs to the technical field of vehicle-mounted GPS (global position system) navigation and particularly relates to a self-adapting correction method for long sampling interval GPS data mileage calculation. The self-adapting correction method is generally applicable to a remote information management system of a vehicle. The self-adapting correction method comprises the following steps that 1), GPS sampling data is subjected to real-time processing; 2), a GPS dead signal zone is compensated; 3), the mileage calculation is subjected to self-adapting correction; and 4), a calculated mileage is output, wherein the real-time processing comprises the steps that 1-1), a calculation formula of a spherical distance between two points is corrected; 1-2), static shifting data is corrected; and 1-3), dynamic exceptional data is corrected. With the adoption of the self-adapting correction method for processing the GPS sampling data; the data quality is improved; dead zone compensation in a short time is realized; the precision of the mileage calculation is improved on the premise that the cost of a GPS navigation system is not increased; due to the self-adapting correction of the mileage, the precision of the mileage calculation is further improved. A model and an algorithm not only support on-line real-time operation, but also support off-line data processing.

Description

technical field [0001] The invention belongs to the technical field of vehicle-mounted GPS navigation, and in particular relates to an adaptive correction method for long-sampling time interval GPS data mileage calculation, which is generally applicable to vehicle remote management information systems. Background technique [0002] GPS positioning system has high precision, all-weather, real-time positioning capabilities. At present, vehicle-mounted GPS navigation has been widely used in the field of intelligent transportation. It can provide information such as vehicle position, speed and driving direction in real time, which is convenient for remote tracking and management of vehicles. Especially in the remote tracking management system of commercial vehicles, mileage is an important statistical indicator, and the mileage calculation in the system is mostly based on GPS sampling information. When the vehicle-mounted terminal GPS sampling time interval is short, the error o...

Claims

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Application Information

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IPC IPC(8): G01S19/39
Inventor 李娜李阳魏大利樊建陈进薛扬陈智也
Owner TIANZE INFORMATION IND
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