Results 21 to 30 of about 4,103,128 (288)

3D Position Estimation of Objects for Inventory Management Automation Using Drones

Applied Sciences, 2023
With the recent development of drone technology, drones are being used in various fields. Drones have the advantage of being equipped with various devices to move freely and perform various tasks.
Bohan Yoon, Hyeonha Kim, Geonsik Youn, Jongtae Rhee   +3 more
doaj   +1 more source

An Enhanced Map-Matching Algorithm for Real-Time Position Accuracy Improvement with a Low-Cost GPS Receiver

Sensors, 2018
This paper proposes a real-time position accuracy improvement method for a low-cost global positioning system (GPS), which uses geographic data for forming a digital road database in the digital map information.
Jeong Min Kang, Han Sol Kim, Jin Bae Park, Yoon Ho Choi   +3 more
doaj   +1 more source

Position Estimation of Small Robotic Fish Based on Camera Information and Gyro Sensors

Robotics, 2014
Robotic fish are ideal for surveying fish resources and performing underwater structural inspections. If a robot is sufficiently fishlike in appearance and does not use a screw propeller, real fish will not be easily surprised by it.
Yogo Takada, Keisuke Koyama, Takahiro Usami   +2 more
doaj   +1 more source

Position Estimation of Multiple Receiving Coils and Power Transmission Control for WPT without Feedback

Energies, 2022
It is important to determine the position of the receiver (Rx) coils in wireless power transfer (WPT) system, and to control the power transmitted to the Rx coil based on this result.
Jun Heo, Sang-Won Kim, In-Kui Cho, Yong Bae Park   +3 more
doaj   +1 more source

Indoor Group Identification and Localization Using Privacy-Preserving Edge Computing Distributed Camera Network

IEEE Journal of Indoor and Seamless Positioning and Navigation
Social interaction behaviors change as a result of both physical and psychiatric problems, and it is important to identify subtle changes in group activity engagements for monitoring the mental health of patients in clinics.
Chaitra Hegde, Yashar Kiarashi, Amy D. Rodriguez, Allan I. Levey, Matthew Doiron, Hyeokhyen Kwon, Gari D. Clifford   +6 more
doaj   +1 more source

Adaptive Extended Kalman Filter Position Estimation Based on Ultra-Wideband Active-Passive Ranging Protocol

IEEE Access, 2023
This paper first presents a comprehensive analysis of Non-Line-of-Sight (NLoS) error cases in the Ultra-Wideband (UWB) Active-Passive Two-Way Ranging (AP-TWR) protocol.
Taavi Laadung, Sander Ulp, Aleksei Fjodorov, Muhammad Mahtab Alam, Yannick Le Moullec   +4 more
doaj   +1 more source

Robust Multi Sensor Pose Estimation for Medical Applications [PDF]

, 2009
In this paper a sensor fusion for pose estimation using optical and inertial data is presented. The proposed algorithm is based on extended Kalman filtering and fuses data from an optical tracking system and an inertial measurement unit.
Hirzinger, Gerd, Andreas Tobergte, Tobergte, Andreas, Pomarlan, Mihai, Mihai Pomarlan, Gerd Hirzinger   +5 more
core   +1 more source

Cost-Effective Localization of Mobile Robots Using Ultrasound Beacons and Differential Time-of-Flight Measurement

Applied Sciences
This paper presents an innovative and cost-effective solution for the absolute localization of mobile robots using ultrasound beacons. The proposed system addresses the challenge of precise positioning within a controlled environment by employing ...
Basil Mohammed Al-Hadithi, Carlos Pastor
doaj   +1 more source

A New Position and Speed Estimation Scheme for Position Control of PMSM Drives Using Low-Resolution Position Sensors [PDF]

, 2019
A new position control method for permanent magnet synchronous motor (PMSM) drive with a low-resolution encoder is proposed in this paper. Three binary Hall position sensors are utilized to realize a moderate-performance position control system for the ...
Shafiq Ahmed Odhano, Tang, Mi, Ming Yang, Pericle Zanchetta, Xiaosheng Liu, Xu, Dianguo, Zanchetta, Pericle, Liu, Xiaosheng, Odhano, Shafiq Ahmed, Qinan Ni, Dianguo Xu, Yang, Ming, Ni, Qinan, Mi Tang   +13 more
core   +1 more source

Multipath-RTI: Millimeter-Wave Radio Based Device-Free Localization

IEEE Access
This paper presents a novel localization technique—Multipath-radio tomographic imaging (RTI)—based on millimeter-wave (mm-wave) radio systems, such as 5G mobile and WiGig LAN systems.
Togo Ikegami, Minseok Kim, Yuto Miyake, Hibiki Tsukada   +3 more
doaj   +1 more source