Results 1 to 10 of about 26,630 (264)

A Model of Gravity Vector Measurement Noise for Estimating Accelerometer Bias in Gravity Disturbance Compensation [PDF]

open access: yesSensors, 2018
Compensation of gravity disturbance can improve the precision of inertial navigation, but the effect of compensation will decrease due to the accelerometer bias, and estimation of the accelerometer bias is a crucial issue in gravity disturbance ...
Junbo Tie, Juliang Cao, Lubing Chang
exaly   +4 more sources

Research on the Gravity Disturbance Compensation Terminal for High-Precision Position and Orientation System [PDF]

open access: yesSensors, 2020
The Position and Orientation System (POS) is the core device of high-resolution aerial remote sensing systems, which can obtain the real-time object position and collect target attitude information.
Zhuangsheng Zhu   +3 more
doaj   +2 more sources

Gravity disturbance compensation for dual-axis rotary modulation inertial navigation system

open access: yesFrontiers in Marine Science, 2023
Gravity disturbance compensation is an important technique for improving the positioning accuracy of high-precision inertial navigation systems (INS).
Lifeng Bao
exaly   +3 more sources

An Accurate Gravity Disturbance Compensation Method Based on Spherical Harmonic Model and Multi-Sensor Fusion [PDF]

open access: yesHangkong bingqi, 2023
With the improvement of the accuracy requirements of high-precision long endurance inertial navigation system, the gravity disturbance has become the main error source of inertial navigation system.Is the key factor to improve the navigation accuracy ...
Liu Yuxin, Wang Xinlong, Wang Xun, Gao Wenning, Hu Xiaodong
doaj   +1 more source

Design Method of a Compensation Decoupling Controller Applied to the Bank-to-Turn Autopilot [PDF]

open access: yesHangkong bingqi, 2022
A design method of a compensation decoupling controller applied to the bank-to-turn autopilot is pre-sented for overcoming the cross-coupling disturbance caused by the high rolling angular velocity of the missile body.
Zhao Yanhui, Duan Chaoyang, Li Haifeng, Hei Gaoyuan
doaj   +1 more source

Development of Magnetically Levitated Rotary Table for Repetitive Trajectory Tracking

open access: yesSensors, 2022
The magnetic levitation system has been considered as a promising actuator in micromachining areas of study. In order to improve the tracking performance and disturbance rejection of the magnetically levitated rotary table, an iterative learning PID ...
Fengqiu Xu, Kaiyang Zhang, Xianze Xu
doaj   +1 more source

Induction motor IFOC based speed-controlled drive with asymptotic disturbance compensation [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2012
This paper presents the design of digitally controlled speed electrical drive, with the asymptotic compensation of external disturbances, implemented by using the IFOC (Indirect Field Oriented Control) torque controlled induction motor.
Stojić Đorđe M., Stojić Milić R.
doaj   +1 more source

Comparison of Disturbance Compensators for a Discrete-Time System with Parameter Uncertainty

open access: yesApplied Sciences, 2020
The control design for many industrial applications requires compensation for parameter uncertainty and external disturbance. Reported in many previous works, the parameter uncertainty and external disturbance are combined as a lumped disturbance, which ...
Zhongyi Guo, Haifeng Ma, Qinghua Song
doaj   +1 more source

Measurement Compensation for Time-Delay Seeker and Three-Dimensional Adaptive Guidance Law Design

open access: yesSensors, 2021
The time delay of seekers has grown to be a serious issue for tactical missile guidance with the development of flight vehicle technologies. To address the problem, a measurement compensation system for the seeker, with lags and delays based on ...
Yukuan Liu   +4 more
doaj   +1 more source

Iterative Learning-Based Negative Effect Compensation Control of Disturbance to Improve the Disturbance Isolation of System

open access: yesSensors, 2022
At present, the cogging torque of permanent magnet synchronous motors (PMSM) seriously limits the Los pointing accuracy of aviation photoelectric stabilization platforms based on PMSM, which also restricts the requirements of ultra-long-distance and high-
Xiantao Li   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy