Open AccessThe system of acquisition and archiving of motion parameters of mobile systems - an overview of measuring sensors
Author(s) -
Jakub Grabiński,
Konrad J. Waluś
Publication year - 2019
Publication title -
autobusy
Language(s) - English
Resource type - Journals
eISSN - 2450-7725
pISSN - 1509-5878
DOI - 10.24136/atest.2019.042
Subject(s) - gyroscope , inertial measurement unit , accelerometer , cartesian coordinate system , global positioning system , coordinate system , computer science , inertial navigation system , system of measurement , orientation (vector space) , inertial frame of reference , simulation , computer vision , engineering , aerospace engineering , physics , telecommunications , geometry , mathematics , quantum mechanics , astronomy , operating system
As part of the work, a measuring system is presented that allows collecting and recording vehicle motion parameters. To build the system, an inertial navigation module was used, consisting of two-axis accelerometers and gyroscopes made in MEMS technology. The tests were carried out and calculation methods were developed to allow the collected data to be referenced, to a point in the three-dimensional space, in order to determine the trajectory of the vehicle's movement. The built-in measuring system uses three types of sensors: accelerometer, gyroscope, magnetometer. Each of these sensors allows the measurement of the physical size in three orthogonal axes of the Cartesian coordinate system. In addition, the work uses a satellite navigation module (GPS), as a reference on the "macro" scale (coordinate system related to the center of the globe with a radius of about 6371 km) for the inertial updating module (INS / IMU), enabling accurate measurement in the "micro" scale (the coordinate system associated with the starting point of the traffic for the route, the length of which does not exceed several hundred meters). The article presents an overview of available measuring sensors with special consideration of the parameters of selected sensors and errors introduced into the measurement system.