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Articles 1 - 9 of 9
Full-Text Articles in Engineering
Design And Simulation Of Intelligent Control Algorithms For Bimanual Robot-Assisted Retinal Surgery Training System, Ali Ebrahimi
Design And Simulation Of Intelligent Control Algorithms For Bimanual Robot-Assisted Retinal Surgery Training System, Ali Ebrahimi
Link Foundation Modeling, Simulation and Training Fellowship Reports
Vitreoretinal surgery is among the most delicate surgical tasks in which physiological hand tremor may severely diminish surgeon performance and put the eye at high risk of injury. Unerring targeting accuracy is required to perform precise operations on micro-scale tissues of the eye. The objective of this project is to develop robotic platforms and intelligent control algorithms to provide a safe bilateral steady-hand eye manipulation for surgeons, which can potentially lead to autonomous surgical procedures. This will in tum enhance patient safety and surgical outcome which can be very beneficial to both patients and surgeons.
Evaluating Mixed Reality Training For Calibrating Operators’ Mental Models Of Advanced Driver Assistance Systems, Ganesh Pai Mangalore
Evaluating Mixed Reality Training For Calibrating Operators’ Mental Models Of Advanced Driver Assistance Systems, Ganesh Pai Mangalore
Link Foundation Modeling, Simulation and Training Fellowship Reports
Advanced Driver Assistance Systems (ADAS) offer safety benefits by handling active driving tasks. However, due to limited operational design domain, these systems may require driver intervention, making drivers’ mental models about system limitations and capabilities an important factor when operating them. Literature suggests most drivers are uninformed or unaware of their systems (McDonald et al, 2018), lacking complete or accurate mental models. Mental models (MM) are described as reflections of operators’ knowledge of system’s purpose and various functioning states (Seppelt & Victor, 2020). Incomplete MM of systems’ limitations may also adversely affect drivers’ hazard avoidance behavior.
Human-Automation Interaction Testbed For Evaluating User Control Methods And Training, Sarah M. O'Meara
Human-Automation Interaction Testbed For Evaluating User Control Methods And Training, Sarah M. O'Meara
Link Foundation Modeling, Simulation and Training Fellowship Reports
In a complex work environment, an operational challenge may be controlling the multitude of independent objects that are required for a manual task and/or object manipulation, such as experienced by astronauts, surgeons, underwater operations, manufacturing etc. One possible option is the enhancement of the person’s capabilities through a robotic supernumerary limb (Figure 1). The idea has already been implemented in a limited application, where the United States Army Research Laboratory developed a passive limb to aid soldiers in weapon carrying and stabilization[1]. Researchers are also creating supernumerary robots. Parietti, et al. [2] designed the Supernumerary Robotics Limbs to address aircraft …
The Development Of A Novel Motion Cuing Algorithm For Flight Training Simulators Employing Objective Metrics For Evaluation, Ahmad Qasim Momani
The Development Of A Novel Motion Cuing Algorithm For Flight Training Simulators Employing Objective Metrics For Evaluation, Ahmad Qasim Momani
Link Foundation Modeling, Simulation and Training Fellowship Reports
The value of a dynamic motion platform to the flight simulator is a controversial issue within the flight training community. The motion of the flight simulator platform has been shown to affect pilot performance and behavior. Moreover, its ability to provide the operator with the appropriate motion cues is essential for pilot training or research. Unwanted cues can cause the operator to develop inappropriate control behavior strategies that are not useful or might be dangerous in real flight. Performance studies show that the operator’s performance is enhanced when introducing motion which might indicate that the operator experiences a sensation closer …
Evaluating Augmented Reality For Space Telerobotics Training, John Karasinski
Evaluating Augmented Reality For Space Telerobotics Training, John Karasinski
Link Foundation Modeling, Simulation and Training Fellowship Reports
Despite the extensive previous research into manual tracking, to the author’s knowledge there exists no study in the literature addressing human performance or workload changes in manual tracking tasks between traditional computer monitors and mobile, augmented reality headsets. The aim of this study was to investigate the effect of several factors on human performance and workload in a three-axis manual tracking task. Recent advances in computing hardware have enabled a new generation of augmented reality stereoscopic devices, such as the Microsoft HoloLens, which have yet to be evaluated in the literature. The Microsoft HoloLens provides depth cues to the user …
Skin Deformation Feedback For Force Sensory Substitution In Teleoperation And Virtual Reality Training, Samuel Schorr
Skin Deformation Feedback For Force Sensory Substitution In Teleoperation And Virtual Reality Training, Samuel Schorr
Link Foundation Modeling, Simulation and Training Fellowship Reports
For this work, we developed a wearable skin deformation device that is worn on the tip of the finger. The devices have two separate components, the first of which is a finger grounding interface that straps to the medial phalanx. The interface holds a magnetic tracking sensor from an Ascension 3D Guidance trakSTAR system, which provides tracking information about the position and orientation of the fingers in free space at 200 Hz.
Interactive Training Of Teleoperated Robotic System For Real-Time Mriguided Steerable Needle Intervention, Gang Li
Link Foundation Modeling, Simulation and Training Fellowship Reports
Needle-based interventions, also known as percutaneous interventions, are common approaches for diagnostic and therapeutic procedures including tissue biopsy, delivery of therapeutic agents and tumor ablation. Needle steering, controlling the rotation of needle while inserting, is a clinical technique to produce a curved path to avoid anatomical obstacles (e.g. vasculature and bones) or compensate for placement errors. But, it requires delicate skills and long-term training to accurately steer the needle, due to difficult control of the needle path and lack of intraoperative image feedback. The objective of the proposed project is to develop a clinician-controlled teleoperated robotic system to train and …
The Rapidly Reconfigurable Research Cockpit, Richard Joyce
The Rapidly Reconfigurable Research Cockpit, Richard Joyce
Link Foundation Modeling, Simulation and Training Fellowship Reports
The goal of the Rapidly Reconfigurable Research Cockpit (R3C) project is to create and evaluate a novel approach for aviation simulators. Our concept combines a virtual reality visual environment with the tactile feedback typically found in early stage mockups. A low cost, easily modified, yet geometrically accurate cockpit panel (fabricated using 3D printing, for example) can be used while the pilot/operator wears a head-mounted display providing the visual overlay of the simulator.
A Nonlinear Motion Cueing Algorithm With A Human Perception Model, Robert J. Telban
A Nonlinear Motion Cueing Algorithm With A Human Perception Model, Robert J. Telban
Link Foundation Modeling, Simulation and Training Fellowship Reports
The objective of a motion system, when used in conjunction with a visual system, is to stimulate the pilot so that he can perceive the required motion cues necessary to fly the simulator within the same performance and control activity as the aircraft. An example of a motion system is the six-degree-of-freedom hexapod shown in Figure E.l. Platform motion allows the pilot to react more quickly to simulated aircraft motion as compared to visual stimuli alone, thus enabling him to co1Tect (and reduce the magnitude) of any deviation sooner than having to wait for the information visually. Without motion cues …