Development of a Hardware-In-Loop (HIL) Simulator for Spacecraft Attitude Control Using Momentum Wheels [PDF]
In this paper, a Hardware-In-the-Loop simulator to simulate attitude control of spacecraft using momentum wheels is developed. The simulator consists of a spherical air bearing system allowing rotation and tilt in all three axes, three momentum wheels ...
Dohee Kim +3 more
doaj +1 more source
A Novel Movable UWB Localization System Using UAVs
Recently, interest in ultrawideband (UWB)-based localization systems has increased in various application fields. However, since UWB anchors are usually fixed, they work only within the limited range that UWB measurement signals can reach.
Sungtae Moon, Wonkeun Youn
doaj +1 more source
Research on Gradient-Descent Extended Kalman Attitude Estimation Method for Low-Cost MARG
Aiming at the problem of the weak dynamic performance of the gradient descent method in the attitude and heading reference system, the susceptibility to the interference of accelerometers and magnetometers, and the complex calculation of the nonlinear ...
Ning Liu +4 more
doaj +1 more source
Sine Rotation Vector Method for Attitude Estimation of an Underwater Robot
This paper describes a method for estimating the attitude of an underwater robot. The method employs a new concept of sine rotation vector and uses both an attitude heading and reference system (AHRS) and a Doppler velocity log (DVL) for the purpose of ...
Nak Yong Ko, Seokki Jeong, Youngchul Bae
doaj +1 more source
MsWH: A Multi-Sensory Hardware Platform for Capturing and Analyzing Physiological Emotional Signals
This paper presents a new physiological signal acquisition multi-sensory platform for emotion detection: Multi-sensor Wearable Headband (MsWH). The system is capable of recording and analyzing five different physiological signals: skin temperature, blood
David Asiain +2 more
doaj +1 more source
Attitude Calculation of AHRS Based on Geomagnetic Field Adaptive Correction
In the attitude and heading reference system (AHRS), the output noise of MEMS gyroscope is too large, zero drift can not be eliminated completely, and the output of angular rate is easy to be interfered, which leads to low accuracy and large accumulated ...
doaj +1 more source
Compensation for errors in determining the angle in the flight-navigation complex of the aircraft in case of failure of the satellite navigation system [PDF]
Currently, navigation equipment for long-range aircraft, where the flight is characterized by a long duration and the absence of frequent and abrupt maneuvers, continues to be actively improved.
Eugeni V. AKIMOV +2 more
doaj +1 more source
Multi-Sensor Attitude and Heading Reference System Design Using Genetically Optimized Kalman Filter [PDF]
Attitude and Heading Reference System (AHRS) is a self-contained sensors assembly that can estimate full 3D orientation of an object. The AHRS system model involves integration of angular rate measurements from gyroscope which are fused with absolute ...
Gessesse, Meron Habtamu
core +1 more source
An enhanced fuzzy H∞ estimator applied to low‐cost attitude‐heading reference system [PDF]
PurposeThe purpose of this paper is to consider the process of design and implementation of an enhanced fuzzy H∞ (EFH∞) estimation algorithm to determine the attitude and heading angles of ground vehicles, which are frequently affected by considerable ...
Jafar Keighobadi +2 more
core +1 more source
Accurate attitude and heading reference system (AHRS) play an essential role in navigation applications and human body tracking systems. Using low-cost microelectromechanical system (MEMS) inertial sensors and having accurate orientation estimation ...
Farzan Farhangian, Rene Landry
doaj +1 more source

