Results 71 to 80 of about 11,989 (269)

Autonomous camera-gimbal system for vision-based robotic applications

open access: yes, 2021
Intelligent vision-based robots are used in various industries to provide increased flexibility and productivity. Their applications include the automation of complex tasks such as surveillance, mapping, and infrastructure inspection.
Lai, Qi Xiong
core  

Using time‐series remote sensing to identify and track individual bird nests at large scales

open access: yesRemote Sensing in Ecology and Conservation, Volume 12, Issue 3, Page 414-427, June 2026.
Time‐series airborne imagery can potentially track individuals over time to collect information beyond one‐off counts. Using weekly UAS‐based imagery of wading bird colonies, we develop an automated approach to identifying nests. Our algorithmic approach detected 68–74% of known nests and exhibited similar performance to human review of imagery ...
S. K. Morgan Ernest   +6 more
wiley   +1 more source

SERT 2 gimbal system

open access: yes, 1971
The gimbal system is described that was designed to mount the thruster and to reposition the thrust vector of a mercury ion bombardment thruster through the center of gravity of the SERT 2 assembly. The SERT 2 assembly was launched 3 February 1970.
Hurst, E. B., Zavesky, R. J.
core  

Gimbal-Angle Vectors of the Nonredundant CMG Cluster

open access: yes, 2018
This paper deals with the method using the preferred gimbal angles of a control moment gyro (CMG) cluster for controlling spacecraft attitude. To apply the method to the nonredundant CMG cluster, analytical gimbal-angle solutions for the zero angular ...
Lee, Donghun, Bang, Hyochoong
core   +1 more source

Scaling of internal joint distance in the elbow of small‐ to medium‐sized mammals: Implications for range of motion analyses

open access: yesJournal of Anatomy, Volume 248, Issue 6, Page 950-971, June 2026.
We investigated the internal joint distances (IJDs) of the humero‐ulnar and humero‐radial joint, within a sample of 15 small‐ to medium‐sized mammals and report isometric results. We also found that joint poses had no effect on IJDs and that IJDs scale isometrically within small species.
Adrian Scheidt   +2 more
wiley   +1 more source

MiniSAR composite gimbal arm development. [PDF]

open access: yes, 2005
An exploratory effort in the application of carbon epoxy composite structural materials to a multi-axis gimbal arm design is described. An existing design in aluminum was used as a baseline for a functionally equivalent redesigned outer gimbal arm using ...
Winscott, Mark (Orion International, Albuquerque, NM)   +1 more
core   +1 more source

Wildlife Responses to Drone Noise: A Preliminary Approach for Quantifying Disturbance During Single‐ and Dual‐Drone Flights

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
Single drone (a) and dual‐drone (a + b) setups used to assess behavioral responses to drone noise exposure. ABSTRACT Drones are increasingly being deployed to study wildlife; however, growing evidence indicates that drone noise can alter animal behavior and confound ecological data.
Saadia Afridi   +6 more
wiley   +1 more source

Single Axis Piezoceramic Gimbal

open access: yes, 2008
This paper describes the fabrication, testing, and analysis of a single axis piezoceramic gimbal. The fabrication process consists of pre-stressing a piezoceramic wafer using a high-temperature thermoplastic polyimide and a metal foil.
Garnett Horner A, Barmac Taleghani B
core  

Shock‐Assisted Flow Control System in Convergent‐Divergent Nozzle: A Numerical Study on Unconventional Protuberance With Different Geometry

open access: yesEngineering Reports, Volume 8, Issue 5, May 2026.
A numerical investigation using 3D RANS simulations demonstrates significant effects of protuberance geometry—cubic, cylindrical, spherical, and conical—on shock‐induced thrust vectoring in supersonic nozzles. Cubic protuberances provide the maximum jet deflection (˜2°) with negligible thrust reduction.
Mohammadreza Soufivand   +3 more
wiley   +1 more source

Single Axis Piezoceramic Gimbal

open access: yes, 1999
This paper describes the fabrication, testing, and analysis of a single axis piezoceramic gimbal. The fabrication process consist of pre-stressing a piezoceramic wafer using a high-temperature thermoplastic polyimide and a metal foil.
Taleghani, Barmac K., Horner, Garnett C.
core  

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