Stories
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Briefs: Information Technology
Minimizing Input-to-Output Latency in Virtual Environment
A method and apparatus were developed to minimize latency (time delay) in virtual environment (VE) and other discrete-time computer-based systems that require real-time display in response to sensor inputs. Latency in such systems is due to the sum of the finite time required for information...
Briefs: Software
Rockster is an algorithm that automatically identifies the locations and boundaries of rocks imaged by the rover hazard cameras (hazcams), navigation cameras (navcams), or panoramic cameras (pancams)....
Application Briefs: Imaging
Immersive CAVE™ display system Mechdyne Corp. Marshalltown, IA 641-754-4649 www.mechdyne.com
Mechdyne Corporation has installed a CAVE™ display system in the Fossett Laboratory...
Application Briefs: Electronics & Computers
The colonel has a problem. He has eight unmanned aerial vehicles (UAVs) flying over the outskirts of Baghdad, looking for potential insurgent activity. Are those people he sees moving through...
Briefs: Electronics & Computers
A class of inertial- sensor systems with drift compensation has been invented for use in measuring the orientations of human heads (and perhaps other, similarly sized objects). These systems...
Articles: Imaging
The Mobile & Marine Robotics Research Centre (MMRRC) at the University of Limerick in Ireland created a generic solution for underwater development. During research...
Articles: Software
Multiphysics, simulation lifecycle management, unified simulation, and other terms are becoming the new trends in analysis and simulation software. There are new capabilities, new options for...
Articles: Robotics, Automation & Control
Assembly is a complicated, sometimes tedious process that often unfolds sequentially along a series of stations. In the manufacture of complex equipment such as jet engines...
Briefs: Software
DSS-Prototyper is an open-source, real-time 3D virtual environment software that supports design simulation for the new Vision for Space Exploration (VSE). This is a simulation of NASA's proposed Robotic...
INSIDER: Electronics & Computers
Dramatic changes are taking place in the way U.S. service men and women prepare for their assignments. Since 9/11, the U.S. Department of Defense (DoD) is moving from a training cycle in which...
Articles: Communications
In celebration of the 30th Anniversary of NASA Tech Briefs, our features in 2006 highlight a different technology category each month, tracing the past 30 years of the technology, and continuing with a...
Application Briefs: Motion Control
Haptics, also known as “force feedback teleoperation,” attempts to provide environmental interactions through a robotic system. Users mimic these interactions with robotic arms. By...
Briefs: Software
Simulating Descent and Landing of a Spacecraft
The Dynamics Simulator for Entry, Descent, and Surface landing (DSENDS) software performs high-fidelity simulation of the Entry, Descent, and Landing (EDL) of a spacecraft into the atmosphere and onto the surface of a planet or a smaller body. DSENDS is an extension of the DShell and DARTS programs...
Briefs: Software
Software for Secondary-School Learning About Robotics
The ROVer Ranch is an interactive computer program designed to help secondary-school students learn about space-program robotics and related basic scientific concepts by involving the students in simplified design and programming tasks that exercise skills in mathematics and science. The tasks...
Briefs: Mechanical & Fluid Systems
Software for Secondary-School Learning About Robotics
The ROVer Ranch is an interactive computer program designed to help secondary-school students learn about space-program robotics and related basic scientific concepts by involving the students in simplified design and programming tasks that exercise skills in mathematics and science.
Briefs: Physical Sciences
A capability for real-time computational simulation of aeroheating has been developed in support of the Hyper-X program, which is directed toward demonstrating the feasibility of...
Briefs: Electronics & Computers
A computer-based simulation system creates a visual and haptic virtual environment for training a medical practitioner in laparoscopic surgery. Heretofore, it has been common practice to...
Briefs: Information Technology
Finite-Element Methods for Real-Time Simulation of Surgery
Two finite-element methods have been developed for mathematical modeling of the time-dependent behaviors of deformable objects and, more specifically, the mechanical responses of soft tissues and organs in contact with surgical tools. These methods may afford the computational efficiency...
Briefs: Information Technology
Algorithms have been developed to provide haptic rendering of three-dimensional (3D) objects in virtual (that is, computationally simulated) environments. The goal of haptic rendering is to generate...
Briefs: Information Technology
A methodology is emerging from efforts to design a mission operations facility.
A methodology for designing operational facilities for collaboration by multiple experts has begun to take shape...
Briefs: Software
Java Version of Embedded Web Software Server
Tempest is a computer program that functions as a HyperText Transfer Protocol (HTTP) server for embedded systems. Tempest enables remote command and control of embedded systems. Tempest accepts HTTP requests from standard Webbrowser programs running on remote client computers and returns HyperText Markup...
Briefs: Electronics & Computers
Ultrasonic System Tracks Body Movements in Three Dimensions
A system based on ultrasonic sensors has been developed as a means of tracking moving objects with centimeter accuracy. The system is intended especially for tracking pertinent parts of the body of a human subject engaged in control of a remote anthropomorphic robot or immersed in a...
Briefs: Mechanical & Fluid Systems
The Rover Analysis Modeling and Simulation (ROAMS) algorithm is to solve the kinematics of a wheeled mo- bile robot (rover) traversing on a rocky terrain. The rover is constructed using...
Briefs: Physical Sciences
A technique for projecting holographic images to make both still and moving three-dimensional displays is undergoing development. Unlike older techniques based on stereoscopy to give the...
Briefs: Electronics & Computers
The Wireless Augmented Reality Prototype (WARP) is a system for personal access to a local area network with video, audio, and sensor data services. The center of the WARP system is a...
Briefs: Electronics & Computers
The Kennedy Space Center (KSC) Simulation System is a computing system capable of large-scale mathematical modeling for real-time simulation of the behavior of a complex system that could include many different...
Briefs: Mechanical & Fluid Systems
An apparatus called a "personal motion platform" (PMP) is undergoing development for use in adding the sensations of motion to computer-controlled simulated environments of the type now popularly known as...
Briefs: Information Technology
Rapid-Prototyping Virtual-Reality Software Tool Kit
The VrTool computer program enables its user to rapidly develop a prototype virtual-reality (VR) application program. Users of VR application programs need software that can help them keep pace with the rapidly evolving VR field. None of the previously commercially available VR software tool kits...
Briefs: Mechanical & Fluid Systems
Program for Computing Dynamics of Multiple Bodies
Symbolic Generator-Based Efficient Multibody Dynamics Algorithm (SOMBAT) is a program that enables speedy and accurate computations that solve equations of motion of multiple bodies. Originally intended for space-based applications (i.e., solving equations for the dynamics of a cluster of flexible...
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