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At present, new approaches for the use of Multirotor Unmanned Aerial Vehicle or multirotor drones in high precision optical applications are rising. However, the optical turbulence effects generated by multirotor drones are not entirely…

Applied Physics · Physics 2019-10-28 Raúl Rodríguez García , Luis Carlos Alvarez Nuñez , Salvador Cuevas

Sensing gloves have become important tools for teleoperation and robotic policy learning as they are able to provide rich signals like speed, acceleration and tactile feedback. A common approach to track gloved hands is to directly use the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Wenhui Cui , Ziyi Kou , Chuan Qin , Ergys Ristani , Li Guan

Plantar pressure measurement, or pedobarography, is an essential tool for analyzing human motion in healthy individuals and patients. Across the reviewed literature, sensor insoles are motivated as wearable, mobile solutions for assessing…

Conventional Sliding mode control and observation techniques are widely used in aerospace applications, including aircrafts, UAVs, launch vehicles, missile interceptors, and hypersonic missiles. This work is dedicated to creating a…

Systems and Control · Electrical Eng. & Systems 2021-06-09 S. Kode , Y. Shtessel , A. Levant , J. Rakoczy , M. Hannan , J. Orr

We report the controlled injection of near-isolated micron-sized liquid droplets into a low temperature He-Ne steady-state rf plasma at atmospheric pressure. The H2O droplet stream is constrained within a 2 mm diameter quartz tube. Imaging…

Air-to-air missiles are used on many modern military combat aircraft for self-defence. It is imperative for the pilots using the weapons that the missiles hit their target first time. The important goals for a missile control system to…

Systems and Control · Electrical Eng. & Systems 2024-11-13 Joshua Farrington , Xinhua Wang

Within the missile guidance and control system the autopilot must overcome an array of variables and uncertainties to maintain tracking trajectory. A large uncertainty explored in this paper is the difference between the assumed flight…

Systems and Control · Electrical Eng. & Systems 2024-11-12 Eerik Cockin , Xinhua Wang

We describe a single fingertip-mounted sensing system for robot manipulation that provides proximity (pre-touch), contact detection (touch), and force sensing (post-touch). The sensor system consists of optical time-of-flight range…

Robotics · Computer Science 2018-10-02 Patrick E. Lancaster , Joshua R. Smith , Siddhartha S. Srinivasa

A novel miniaturized printed folded dipole antenna has been designed for narrowband sensing applications. It is shown that the antenna may be systematically engineered to achieve matching to a practical source impedance at frequencies well…

Applied Physics · Physics 2020-05-07 Sanghamitro Das , David J. Sawyer , Nectaria Diamanti , A. Peter Annan , Ashwin K. Iyer

Space interferometry is the inevitable endpoint of high angular resolution astrophysics, and a key technology that can be leveraged to analyse exoplanet formation and atmospheres with exceptional detail. However, the anticipated cost of…

Instrumentation and Methods for Astrophysics · Physics 2020-06-04 Jonah T. Hansen , Michael J. Ireland

This paper presents an efficient method for estimating the probability of conflict between air traffic within a block of airspace. Autonomous Sense-and-Avoid is an essential safety feature to enable Unmanned Air Systems to operate alongside…

Systems and Control · Computer Science 2016-04-26 Chinmaya Mishra , Simon Maskell , Siu-Kui Au , Jason F. Ralph

This paper proposes an autopilot system that can be used to control the small scale rotorcraft during the flight test for linear-frequency-domain system identification. The input frequency swept is generated automatically as part of the…

Robotics · Computer Science 2008-04-25 Widyawardana Adiprawita , Adang Suwandi Ahmad , Jaka Semibiring

The impact forces during switching operations of short-stroke actuators may cause bouncing, audible noise and mechanical wear. The application of soft-landing control strategies to these devices aims at minimizing the impact velocities of…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Eduardo Moya-Lasheras , Edgar Ramirez-Laboreo , Carlos Sagues

The problem of reconstructing the time dependence of the dynamic pressure of a plasma jet impinging on one end of a solid rod based on the measured displacement of the opposite end has been solved. This solution allows for a reduction in…

Plasma Physics · Physics 2025-11-12 Evgeny Kolesnikov , Igor Kotelnikov , Vadim Prikhodko

We describe a torsion pendulum with a large mass-quadrupole moment and a resonant frequency of 2.8 mHz, whose angle is measured using a modified Michelson interferometer. The system achieved noise levels of $\sim200\…

Instrumentation and Detectors · Physics 2021-06-02 M. P. Ross , K. Venkateswara , C. A. Hagedorn , C. J. Leupold , P. W. F. Forsyth , J. D. Wegner , E. A. Shaw , J. G. Lee , J. H. Gundlach

Flutter flight test involves the evaluation of the airframes aeroelastic stability by applying artificial excitation on the aircraft lifting surfaces. The subsequent responses are captured and analyzed to extract the frequencies and damping…

Signal Processing · Electrical Eng. & Systems 2024-08-05 Arpan Das , Pier Marzocca , Giuliano Coppotelli , Oleg Levinski , Paul Taylor

Robust estimation of vehicle sideslip angle is essential for stability control applications. However, the direct measurement of sideslip angle is expensive for production vehicles. This paper presents a novel sideslip estimation algorithm…

Optimization and Control · Mathematics 2019-05-23 Yi-Wen Liao , Francesco Borrelli

Self-aeration is a fascinating phenomenon that commonly occurs in high Froude-number flows in natural or human made environments. The most common air-water flow measurement instrument to characterize such flows is the intrusive dual-tip…

Fluid Dynamics · Physics 2024-08-19 Matthias Kramer

Electric Vertical Takeoff and Landing (eVTOL) vehicles will open new opportunities in aviation. This paper describes the design and wind tunnel analysis of an eVTOL uncrewed aircraft system (UAS) prototype with a traditional aircraft wing,…

Robotics · Computer Science 2023-01-31 Akshay Mathur , Ella Atkins

Versatile, ultracompact, easy-to-handle, high-sensitivity sensors are compelling tools for in situ pivotal applications, such as medical diagnostics, security and safety assessments, and environmental control. In this work, we combine…