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Now showing items 21-30 of 33
Intent-aware collision avoidance for autonomous marine vehicles
(Massachusetts Institute of Technology, 2017)
Applications of autonomous marine vehicles in dynamic and uncertain environments continuously grow as research unveils new enabling technology and academic, commercial, and government entities pursue new marine autonomy ...
Design of an Autonomous Underwater Vehicle (AUV) charging system for underway, underwater recharging
(Massachusetts Institute of Technology, 2014)
Modern robotics have enabled the rapid proliferation of Autonomous Underwater Vehicles (AUVs) throughout the marine environment. As autonomy algorithms increase in robustness, complexity, and reliability, so too does the ...
Design of an instrumented multifunctional foot for application to a heavy duty mobile robot manufacturing system
(Massachusetts Institute of Technology, 2008)
The design of a multifunctional foot for application to a mobile robotic system for heavy duty manufacturing is presented. The requirements for a target manufacturing task are presented and translated into requirements for ...
Structural and thermal design of a dual-rotor constant-frequency, variable-speed generator
(Massachusetts Institute of Technology, 2003)
The mechanical design of a novel generator type is considered. This generator is intended to efficiently, reliably and cheaply convert a variable shaft-speed input into a constant electrical frequency output for application ...
Analysis of system wide distortion in an integrated power system utilizing a high voltage DC bus and silicon carbide power devices
(Massachusetts Institute of Technology, 2007)
This research investigates the distortion on the electrical distribution system for a high voltage DC Integrated Power System (IPS). The analysis was concentrated on the power supplied to a propulsion motor driven by an ...
Z-source circuit breakers in naval power systems
(Massachusetts Institute of Technology, 2019)
New power system components and control systems are required to facilitate the U.S. Navy's move to medium voltage direct current power (MVDC) systems on future vessels. Integrating the z-source circuit breaker into a ...
Design and fabrication of granular materials for surface acoustic waves
(Massachusetts Institute of Technology, 2015)
Granular materials with structural discreteness and periodicity can lead to novel propagation behaviors of mechanical waves. Acoustic studies of granular media typically involve macroscopic particles whereas contact-based ...
Analysis and validation of an artifact resistant design for oxygen saturation measurement using photo pletyhsmographic ring sensors
(Massachusetts Institute of Technology, 2004)
Recent advances in continuous noninvasive health monitoring technologies provide clinicians and researchers with a previously unrealistic opportunity for closely tracking the developments and treatments of various pathologies ...
Modeling for ship power system emulation
(Massachusetts Institute of Technology, 2009)
With the U.S. Navy's continued focus on Integrated Fight Thru Power (IFTP) there has been an ever increasing effort to ensure an electrical distribution system that maintains maximum capabilities in the event of system ...
DC powerline communication system using a transmission line transformer for high degree of freedom applications
(Massachusetts Institute of Technology, 2004)
A new type of powerline communication is developed to reduce cable requirements for robotic, electromechanical, and vehicular systems. A DC power bus line connecting a DC power supply to motor drives and sensor units is ...