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A Calibration Method of USBL Installation Error Based on Attitude Determination [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2020
The Ultra-short baseline (USBL) positioning system has important application in the positioning of underwater vehicles. The installation error angle of the USBL positioning system has an important influence on the positioning accuracy of USBL system. The traditional calibration methods have limited estimation accuracy for installation error angles and ...
Yongyun Zhu, Tao Zhang, Hyo-Sang Shin
exaly   +3 more sources

Study on Installation Error Analysis and Calibration of Acoustic Transceiver Array Based on SINS/USBL Integrated System

open access: yesIEEE Access, 2018
The installation error of USBL acoustic transceiver array is one of the important error sources for the SINS/USBL integrated navigation system. The installation error of USBL transceiver array can be divided into coordinate shift error and angle rotation
Tong Jinwu   +4 more
doaj   +3 more sources

Effect of Installation Error on Rotary Seal of Aero Engine

open access: yesAerospace, 2022
The rotary seal is a key component of the aero engine. Under actual working conditions, most rotary seals always operate in an eccentric state (caused by installation errors), and when a large eccentricity occurs, it may lead to a large amount of gas ...
Chunrui Liu   +5 more
doaj   +2 more sources

Separation Method for Installation Eccentricity Error of Workpiece

open access: yesApplied Sciences
This work solves the challenge of separating the eccentricity error of a workpiece installation from the first harmonic of radial runout error of the spindle, which has a crucial impact on improving the machining quality of the workpiece.
Guanyao Qiao   +3 more
doaj   +2 more sources

System-Level Calibration for the Star Sensor Installation Error in the Stellar-Inertial Navigation System on a Swaying Base

open access: yesIEEE Access, 2018
The star sensor installation error has a great influence on the attitude accuracy of the stellar-inertial navigation system and should be precisely calibrated.
Hao Zhang   +3 more
doaj   +3 more sources

Installation Error Calibration Method for Redundant MEMS-IMU MWD

open access: yesMicromachines
For Measurement While Drilling (MWD), the redundant Micro-Electro-Mechanical Systems Inertial Measurement Unit (MEMS-IMU) navigation system significantly enhances the reliability and accuracy of drill string attitude measurements.
Yin Qing, Lu Wang, Yu Zheng
doaj   +3 more sources

Installation errors in calculating large-panel buildings (rus) [PDF]

open access: yesИнженерно-строительный журнал, 2011
Every year the problem of civil and erection work quality gets sharper in Russia. The article is devoted to solving the identified problem not from the point of organizational and technological aspects of building but from the point of design and ...
Nedviga E.S., Kuznetsov V.D., Vatin N.I.
doaj   +1 more source

Research on Lubrication Characteristics of Ship Stern Bearings Considering Bearing Installation Errors

open access: yesLubricants, 2023
The installation quality of a propulsion shaft system directly affects the lubrication statuses of the bearings. The quality of the shaft system installation not only affects the progress of ship construction, but also the safety, stability, and ...
Taiwei Yang   +5 more
doaj   +1 more source

Research of Gear Modeling with Considering Hob Installation Error

open access: yesJixie chuandong, 2016
With the development of gear application technology,the higher requirements on gear precision are put forward,in order to achieve goals of high speed,high power,low noise and high transmission accuracy in gear transmission. In the gear hobbing process,if
Wu Pingan   +4 more
doaj   +1 more source

Influence of installation error on roundness error measurement [PDF]

open access: yesIOP Conference Series: Materials Science and Engineering, 2019
Abstract The installation tilt causes the actual measured circular contour to be an elliptical contour [1], and the installation eccentricity causes the sampled points uneven [2], which can both affect the measurement accuracy of the roundness error [3, 4].
Xuelei Chen   +4 more
openaire   +1 more source

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