Results 101 to 110 of about 29,312 (246)

Creating Evaluation Profiles for Games Designed to be Fun: An Interpretive Framework for Serious Game Mechanics [PDF]

open access: yes, 2017
Background. Games can be great pedagogical tools for educators and students. COTS games (commercial-off-the-shelf) are designed for the pure purpose of leisure but can also contain educational value. Aim. In this paper, we address the potential of COTS
Helms, Niels Henrik, Ulrich, Frank
core   +1 more source

Attacks to Cryptography Protocols of Wireless Industrial Communication Systems

open access: yesAdvances in Electrical and Electronic Engineering, 2010
The paper deals with problems of safety and security principles within wireless industrial communication systems. First safety requirements to wireless industrial communication system, summarisation of attack methods and the available measures for risks ...
Tomas Ondrasina, Maria Franekova
doaj  

270V Battery Using COTS NiCd Cells For Manned Spacecraft [PDF]

open access: yes, 2002
A high power (>35 kW at 215V), low capacity (5.2 Ah), and compact (45L) NiCd battery was developed for the X-38 Crew Return Vehicle (CRV), which is an experimental version of the lifeboat for the International Space Station (ISS).
Darcy, Eric   +3 more
core   +1 more source

Development of High-Performance Compact On-Board Computer for Micro/Nano-Satellites with Software Resource Sharing Framework

open access: yesSICE Journal of Control, Measurement, and System Integration, 2017
Due to advances in mission complexity and increased requirements for autonomous control of small satellites, high-level computing performance of on-board computers, as well as the necessary software implementation to maintain essential functionality, is ...
Tomohiro Narumi   +2 more
doaj   +1 more source

Power-over-Tether UAS Leveraged for Nearly Indefinite Meteorological Data Acquisition In the Platte River Basin [PDF]

open access: yes, 2020
The integration of unmanned aerial systems (UASs) has increased in the field of agriculture. These systems can provide data that was previously difficult to obtain to help increase efficiency and production.
Detweiler, Carrick   +2 more
core   +1 more source

Cost Optimization and Technology Enablement COTSAT-1 [PDF]

open access: yes, 2010
Cost Optimized Test of Spacecraft Avionics and Technologies (COTSAT-1) is an ongoing spacecraft research and development project at NASA Ames Research Center (ARC). The space industry was a hot bed of innovation and development at its birth.
Klupar, Peter Damian   +3 more
core   +1 more source

Miniaturized Imaging Spectroscopy Payload With Integrated Atmospheric Irradiance Measurement Capability

open access: yesIEEE Access
This paper presents a compact, cost-effective Unmanned Aerial Vehicle (UAV) payload, intended for coastal area remote sensing applications. The payload consists of a compact, in-house–built push-broom imaging spectrometer using Commercial Off-The ...
Oliver K. Hasler   +4 more
doaj   +1 more source

Radiation Hardness Assurance: Evolving for NewSpace [PDF]

open access: yes
During the past decade, numerous small satellites have been launched into space, with dramatically expanded dependence on advanced commercial-off-the-shelf (COTS) technologies and systems required for mission success.
Campola, Michael J.   +1 more
core   +1 more source

Versatile Controller for Infrared Lamp and Heater Arrays [PDF]

open access: yes
A paper describes a modular design for new controllers for infrared heating during cruise stage solar thermal vacuum test of the Mars Science Laboratory.
Brown, Isaac M.   +3 more
core   +1 more source

On the capacity of cluster-tree ZigBee networks [PDF]

open access: yes, 2009
Modeling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand their behavior under worst-case conditions and to make the appropriate design choices.
Alves, Mário   +3 more
core  

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