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Nonlinear Vision-Based Observer for Visual Servo Control of an Aerial Robot in Global Positioning System Denied Environments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a nonlinear vision-based observer to estimate 3D translational position and velocity of a quadrotor aerial robot for closed-loop, position-based, visual-servo control in global positioning system ...
Magnetically-Actuated Endoluminal Soft Robot With Electroactive Polymer Actuation for Enhanced Gait Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Endoluminal devices are indispensable in medical procedures in the natural lumina of the body, such as the circulatory system and gastrointestinal tract. In current clinical practice, there is a need for increased control ...
Rapid Airborne Gas-Plume Mapping and Source Localization With Feedforward Gas-Sensor Dynamics Compensation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article focuses on improving the speed, accuracy, and robustness of autonomous aerial-based chemical sensing for plume mapping and source localization through characterizing, modeling, and feedforward compensation of ...
Design and Control of a Fully-Actuated Hexrotor for Aerial Manipulation Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the issue of controller complexity for multirotor aerial manipulator (AM) implementation by utilizing a special class of fully actuated hexrotor within the framework of a firmware, which allows standard ...
In-Ground-Effect Modeling and Nonlinear-Disturbance Observer for Multirotor Unmanned Aerial Vehicle Control
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper focuses on modeling and control of in-ground-effect (IGE) on multirotor unmanned aerial vehicles (UAVs). As the vehicle flies and hovers over, around, or underneath obstacles, such as the ground, ceiling, and ...
Modeling and Analysis of a Soft Endoluminal Inchworm Robot Propelled by a Rotating Magnetic Dipole Field
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In clinical practice, therapeutic and diagnostic endoluminal procedures of the human body often use a scope, catheter, or passive pill-shaped camera. Unfortunately, such devices used in the circulatory system and ...
Information-Theoretic Bayesian Inference for Multi-Agent Localization and Tracking of an Radio Frequency Target With Unknown Waveform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Information-theoretic motion planning and machine learning through Bayesian inference are exploited to localize and track a dynamic radio frequency (RF) emitter with unknown waveform (uncooperative target). A target-state ...