In this section, we introduce the main concepts related to this paper and provide basic theories of heading determination using sun sensor,
inclinometer, and local clock.
The dual-axis
inclinometer selected for the experiment (Posital Fraba ACS-060) provides as output the direction sines of the gravity vector (g) with respect to [[??].sub.i] (call the angle X) and [[??].sub.i] (call the angle Y), that is,
Since the new device is a modified version of an existing
inclinometer with an extended arm, we aimed to assess the intra-examiner reliability of the device.
A CX-4C
inclinometer was used to measure the deformation of the pipe-roof in the tunnel exiting portal.
During testing, two types of COFT were used to measure displacement of sliding surface; an
inclinometer monitoring internal movement of the slope mass was compared to COFTs.
Another application was electronic
inclinometer (
inclinometer application on a smartphone).
Beyond the load and mix functions and
inclinometer, he adds, the SCT system provides concrete producers:
This is easily measured by the
inclinometer in a turn coordinator or turn-and-bank indicator.
The measurement of rotations was carried out with the patient lying supine on the table, his arm was abducted at 90[degrees], the
inclinometer was settled on the metal plate secured to the back of the wrist thanks to the Velcro.
Concretely, the acceleration data of 3 axes of accelerometer are given behind the abbreviation "ACC", following with a temperature measured by an embedded thermometer; the number behind "BATT" shows the current voltage from the external power supply; "INC" leads a spontaneous data set from the two orthogonal
inclinometers. To ensure the digital accuracy after transmission, the units of the data from the accelerometer, the battery and the
inclinometer are chosen as mm/[s.sup.2],mV and [micro]m/[s.sup.2] .
Designed for use in outdoor applications, the
inclinometers are sealed up to IP68 standards.
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inclinometer DigiQuartz sensors and ROVNav 6 transceivers from Sonardyne International Ltd.
