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Optimal Alarm System Design and Implementation

Ames Research Center, Moffett Field, California An optimal alarm system can robustly predict a level-crossing event that is specified over a fixed prediction horizon. The code contained in this package provides the tools necessary to design an optimal alarm system for a simple stationary linear dynamic system driven by white Gaussian noise.

Posted in: Briefs, Machinery & Automation, Robotics

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Mars Science Laboratory Flight Software for Autonomous Drilling

NASA’s Jet Propulsion Laboratory, Pasadena, California One of the goals of the Mars Science Laboratory (MSL) mission is to collect powderized samples from the interior of rocks and deliver them to onboard science instruments. This goal is achieved using the algorithms and software that control the drill hardware to produce a system that can robustly, efficiently, and autonomously drill into rocks with a priori unknown, and widely varying properties.

Posted in: Briefs, Machinery & Automation, Robotics

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Morpheus Lander Vehicle Simulation/Vehicle Flight Software

Lyndon B. Johnson Space Center, Houston, Texas The Morpheus simulation is a suite of software models that simulates the performance of a lander vehicle. The specific vehicle is a terrestrial lander used as a “vertical test bed” platform for developing technology, and proving hardware and software systems for use in space exploration. Morpheus software consists of three main components: flight software, ground software, and simulation software. While the emphasis in spacecraft development typically tends to be the flight software residing and running on the actual vehicle, both ground and simulation software components are equally essential in developing, testing, and operating the craft.

Posted in: Briefs, TSP, Machinery & Automation, Robotics

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Risk-Aware Mars Rover Operation Tool with Autonomous Terrain Classifier and Path Planner

This technology can reduce the risk of the loss of rovers by preventing oversight of terrain-related risks. NASA’s Jet Propulsion Laboratory, Pasadena, California The greatest single source of risks for Mars rovers is terrain. These risks are currently managed by a labor-intensive process in which rover operators carefully examine the terrain and plan a path to avoid any potential hazards. This poses a challenge, particularly for the operation of an MSL (Mars Science Laboratory)-class rover, because it must be very risk-averse in order not to lose the asset, while it already requires a significant amount of labor due to the complexity of the rover. Hence, it is important to develop a software tool that helps operators to detect and avoid terrain hazards efficiently and reliably.

Posted in: Briefs, TSP, Machinery & Automation, Robotics

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The Changing Face of Robotics

Around the world, customers in a diverse range of industries and technical disciplines are using Maplesoft solutions to rapidly accelerate their design projects, as they develop the next generation of products that shape the changing face of robotics:

Posted in: White Papers, Machinery & Automation, Robotics

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3D Projection Improves Robot-to-Human Communication

Researchers at the Georgia Institute of Technology have developed a way for robots to project their next action into the 3D world and onto any moving object, such as car parts on an assembly line. The achievement will help to improve human and robot safety in manufacturing scenarios.

Posted in: News, Machinery & Automation, Robotics

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Expendable Cooling System for Venus Lander Concept

The concept could be applicable to the trucking industry to provide temporary cooling where power is not readily available. NASA’s Jet Propulsion Laboratory, Pasadena, California This innovation is a concept for a novel thermal architecture that would enable a day-long surface mission on Venus. A Venus lander mission could last much longer than a few hours on the surface of the planet by absorbing heat from the Venus environment, and from the electronics within the lander, by using an expendable fluid cooling system. The fluid would evaporate in the structural shell, absorbing heat coming from the ambient environment, keeping the shell relatively cool compared to the ambient temperature. The evaporating fluid would create a liquid flow from a reservoir used to cool electronic components within the lander. The liquid reservoir must be contained within the lander structure to serve as a heat sink to maximize the lander lifetime on the surface. A pressure tank would be used to bring the fluid to a point where it could boil and vent into the Venus atmosphere.

Posted in: Briefs, TSP

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