Parameter calibration method and parameter calibration device

A parameter calibration and motion parameter technology, applied in the field of calibration, can solve problems such as inaccurate motion parameters, and achieve the effects of avoiding inaccurate measurement data, improving installation efficiency, and saving installation time

Active Publication Date: 2017-02-08
海金智多兴绿碳科技(海南)有限责任公司
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Problems solved by technology

[0004] This application provides a parameter calibration method and devi

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  • Parameter calibration method and parameter calibration device
  • Parameter calibration method and parameter calibration device
  • Parameter calibration method and parameter calibration device

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[0021] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0022] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention relates to a parameter calibration method and a parameter calibration device. The method comprises the following steps: acquiring an acceleration component of a gravity acceleration on each coordinate axis of a triaxial acceleration sensor, wherein the acceleration components are gravity acceleration components collected by the triaxial acceleration transducer under a static condition; calculating a deflection angle of a detection axis of the triaxial acceleration transducer relative to a detection axis in a running coordinate system of an object according to the gravity acceleration components; and calibrating motion parameters, which are collected by a target sensor, on a detection axis of the target sensor according to the deflection angle, wherein the target sensor is arranged on the object, and comprises the triaxial acceleration sensor and/or other sensors with detection axes parallel to that of the triaxial acceleration sensor. After the parameter calibration method and the parameter calibration device are applied, the target sensor is not required to be horizontally arranged, so that installation time is saved, the installation efficiency is improved, and the defect of inaccurate measured data caused by horizontal deviation of installation is avoided.

Description

technical field [0001] The present application relates to the technical field of calibration, in particular to a parameter calibration method and device. Background technique [0002] The vehicle-mounted terminal is an intelligent hardware device fixedly installed inside the vehicle. The device can be integrated with sensors such as acceleration sensors, angular velocity sensors, and direction sensors, and can collect motion parameters such as acceleration, angular velocity, and direction during vehicle driving. During the driving process of the vehicle, due to the state of the road surface and the driving behavior of the driver, there will be dynamically changing motion parameters. The motion parameters can be collected in real time through the sensors integrated in the vehicle terminal, and the motion state of the vehicle can be analyzed through the preset algorithm, so as to supervise and alarm unsafe driving behaviors. [0003] However, after the vehicle-mounted termina...

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Application Information

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IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 邹红斌
Owner 海金智多兴绿碳科技(海南)有限责任公司
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