Results 151 to 160 of about 4,457,973 (186)
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Test bed calibration of fog-based strapdown inertial measurement unit
Gyroscopy and Navigation, 2012The paper outlines the method for calibration of a strapdown inertial measurement unit (SIMU) based on fiber-optic gyros (FOG) in dynamic conditions on a test bed. Calculated components of linear velocity vector and position of SIMU accelerometer unit on the test bed platform are used as a reference.
E V Dranitsyna +2 more
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Evaluating the performance of a FOG-based strapdown inertial measurement unit in ground tests
Gyroscopy and Navigation, 2012The main performance characteristics of a strapdown inertial measurement unit based on fiber-optic gyros and pendulous accelerometers are investigated in ground tests. Preliminary estimates of the unit operational and accuracy parameters are obtained.
A M Kurbatov
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Improved strapdown inertial measurement unit calibration procedures
2018 IEEE/ION Position, Location and Navigation Symposium (PLANS), 2018This article describes an improved strapdown rotation test (SRT) for calibrating the compensation coefficients in a strapdown inertial measurement unit (IMU). The SRT consists of a set of IMU rotation sequences and processing routines that enable precision determination of IMU gyro/accelerometer misalignment, gyro/accelerometer scale factor, and ...
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Error Analysis Technique for Indirect Method of Calibration of a Strapdown Inertial Measurement Unit
2019 26th Saint Petersburg International Conference on Integrated Navigation Systems (ICINS), 2019Possible versions of the indirect method of calibration of a strapdown inertial measurement unit are briefly analyzed. The version of the indirect method with simple measurement equations that can be decomposed and solved just algebraically is considered.
L. Vodicheva, Yu. Parysheva
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A PC-based orientation sensing using 9-DOF strapdown inertial measurement unit
2012 12th International Conference on Control Automation Robotics & Vision (ICARCV), 2012This paper presents the design and development of a PC-based orientation sensing system using strapdown inertial measurement unit (SIMU). A 9-DOF (degree of freedom) SIMU, which consists of 3-DOF gyroscopes, 3-DOF accelerometers, and 3-DOF magnetometers, are used to estimate the orientation. Data fusion is performed to improve measurement accuracy.
Lim Tien Sze, Koo Voon Chet
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Strapdown inertial measurement units for motion compensation for synthetic aperture radars
IEEE Aerospace and Electronic Systems Magazine, 1988It is shown that synthetic-aperture radar (SAR) motion can be compensated by using an antenna-mounted strapdown inertial measurement unit (IMU) as the motion sensing system, but sensor and system errors affect SAR image quality. A strapdown IMU consists of three accelerator channels and three gyro channels.
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2010 2nd International Asia Conference on Informatics in Control, Automation and Robotics (CAR 2010), 2010
When systemic rotation autocompensation technique is implemented in inertial navigation system (INS), inertial measurement unit (IMU) undergoes intentionally devised mechanical motions. This technique is one of the strategies of improving the system precision performance at the system level.
null An Li +3 more
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When systemic rotation autocompensation technique is implemented in inertial navigation system (INS), inertial measurement unit (IMU) undergoes intentionally devised mechanical motions. This technique is one of the strategies of improving the system precision performance at the system level.
null An Li +3 more
exaly +2 more sources
2019 IEEE Symposium Series on Computational Intelligence (SSCI), 2019
Strapdown inertial measurement unit (SIMU) installed in a vehicle determines the navigation accuracy of the vehicle. However, the stability of SIMU changes with the storage time passing by, which influences the navigation accuracy of the vehicle. Thus, it is very necessary to establish a predication model which can predict the stability of SIMU and ...
Shuying Li
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Strapdown inertial measurement unit (SIMU) installed in a vehicle determines the navigation accuracy of the vehicle. However, the stability of SIMU changes with the storage time passing by, which influences the navigation accuracy of the vehicle. Thus, it is very necessary to establish a predication model which can predict the stability of SIMU and ...
Shuying Li
exaly +3 more sources
IEEE Transactions on Automation Science and Engineering, 2001
This paper presents a new method for improving the accuracy of inertial measurement units (IMUs) mounted on land vehicles. The algorithm exploits nonholonomic constraints that govern the motion of a vehicle on a surface to obtain velocity observation measurements which aid in the estimation of the alignment of the IMU as well as the forward velocity of
Gamini Dissanayake, H Durrant-Whyte
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This paper presents a new method for improving the accuracy of inertial measurement units (IMUs) mounted on land vehicles. The algorithm exploits nonholonomic constraints that govern the motion of a vehicle on a surface to obtain velocity observation measurements which aid in the estimation of the alignment of the IMU as well as the forward velocity of
Gamini Dissanayake, H Durrant-Whyte
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New algorithm to calculate the strapdown inertial measurement unit parameters
2009 IEEE International Conference on Control and Automation, 2009A new calibration procedure was proposed for strap down inertial measurement unit (IMU) in a body reference frame which was independent of the turntable. The proposed methodology required no precise mechanical platform for the calibration of the accelerometer and the rate-gyros.
Peng Li +3 more
openaire +1 more source