Results 141 to 150 of about 14,356,870 (236)

Attitude Controller for UAV First-Order Acceleration Coefficients Tracking. [PDF]

Sensors (Basel)
Xu D, Pei H.
europepmc   +1 more source

Multiple ortho‐mosaicking software pipelines produce comparable imagery‐derived wheat phenotypes

The Plant Phenome Journal, Volume 9, Issue 1, December 2026.
Abstract Unmanned aerial systems (UAS) equipped with multispectral and RGB sensors offer valuable data for monitoring crop health and assessing disease severity. However, the wide range of available photogrammetric software complicates software selection for high‐throughput plant phenotyping.
Sanju Shrestha, Phillip D. Alderman, Grishma Ojha, Brett F. Carver   +3 more
wiley   +1 more source

A Situational Assessment of the Diagnostic Landscape and Organizational Readiness to Implement Next‐Generation Sequencing at Two Childhood Cancer Treatment Centers in Ghana

Pediatric Blood &Cancer, Volume 73, Issue 11, November 2026.
ABSTRACT Purpose Next‐generation sequencing (NGS) has emerged as a promising approach to improve diagnostic accuracy, but its feasibility in low‐ and middle‐income countries remains unknown. This study characterized the diagnostic landscape and assessed organizational readiness for NGS implementation at two childhood cancer treatment centers in Accra ...
Melissa Carvalho, Emmanuella Amoako, Nihad Salifu, Lily Gloria Tagoe, Yaw Bediako, Michelle Hermiston, Catherine Segbefia   +6 more
wiley   +1 more source

Research on robot path tracking method based on IDDPG-MPC. [PDF]

PLoS One
Shen H, Xu X, Miao Z.
europepmc   +1 more source

Feedback control for yaw angle with input nonlinearity via input-state linearization

, 2006
This paper discusses the yaw control of small-size unmanned helicopter. The yaw dynamics of helicopter involve input nonlinearity, time-varying parameters and the couplings between main and tail rotor.
Wang H(王贺), Wang YC(王越超), Qi JT(齐俊桐), Zhao XG(赵新刚), Jiang Z(姜哲), Han JD(韩建达)   +5 more
core  

Maskless head and neck radiotherapy using surface‐guided radiation therapy: initial clinical feasibility of real‐time setup, intrafraction monitoring, and automatic beam‐hold

Journal of Applied Clinical Medical Physics, Volume 27, Issue 10, October 2026.
Abstract Background Thermoplastic immobilization remains standard for head and neck radiation therapy, but rigid face masks may produce clinically meaningful anxiety, claustrophobia, and treatment intolerance in some patients. Surface‐guided radiation therapy (SGRT) provides non‐ionizing surface setup guidance and continuous intrafraction motion ...
Adi Robinson, Shravan Kandula
wiley   +1 more source

Rotor Attitude Estimation for Spherical Motors Using Geometry-Constrained Kalman Transformer Algorithm in Monocular Vision. [PDF]

Sensors (Basel)
Liu F, Tian B, Wen F, Yu L, Yu T, Li M.
europepmc   +1 more source

Nonlinear Receding‐Horizon Differential Game for Drone Racing Along a Three‐Dimensional Path

International Journal of Robust and Nonlinear Control, Volume 36, Issue 15, Page 7177-7192, October 2026.
ABSTRACT Drone racing requires high‐speed navigation through three‐dimensional paths, posing significant challenges in control engineering. Existing control methods lack a feedback control framework that simultaneously addresses nonlinear drone dynamics and multi‐agent competitive interactions, such as overtaking or obstructing opponents.
Kijin Sung, Kenta Hoshino, Akihiko Honda, Takeya Shima, Toshiyuki Ohtsuka   +4 more
wiley   +1 more source

Guidance Navigation and Control for Quadrotor UAV Using Lyapunov-Based Backstepping. [PDF]

Sensors (Basel)
Sasiadek JZ, Shuker A, Al-Isawi MMA.
europepmc   +1 more source

Deep Reinforcement Learning Based Autonomous Decision‐Making for Cooperative Uncrewed Aerial Vehicles: A Search and Rescue Real World Application

Journal of Field Robotics, Volume 43, Issue 7, Page 4382-4401, October 2026.
ABSTRACT This paper presents the first end‐to‐end framework that combines guidance, navigation, and centralized task allocation for multiple UAVs performing autonomous search‐and‐rescue (SAR) in GNSS‐denied indoor environments. A twin delayed deep deterministic policy gradient controller is trained with an artificial potential field (APF) reward that ...
Thomas Hickling, Maxwell Hogan, Abdulla Tammam, Nabil Aouf   +3 more
wiley   +1 more source