Harsh Environments
Exploration robots for harsh environments and safety
... This paper presents the design and demonstration of three novel compact robotic systems, which can be integrated with 3D ceramic-packaged, multi-purpose micro-sensors and high- speed ad-hoc wireless communication ...
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An overview of robotics and autonomous systems for harsh environments
... these harsh environments bring additional challenges that cannot be resolved using traditional RAS ...various environments, such as manufacturing, search and rescue and ...
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A custom acoustic emission monitoring system for harsh environments: application to freezing-induced damage in alpine rock walls
... In order to address these two main challenges, we have developed a custom AE monitoring system that consists of (i) the AE-node, a two-channel acquisition system that trans- mits AE data using a WSN customized for ...
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A new RAM normalized 1f-WMS technique for the measurement of gas parameters in harsh environments and a comparison with 2f/1f
... when the LIA phase is preset to isolate the generated 1f-RAM components, from the phase delayed WM components. In this case, the isolated 1f-RAM component is similar to the absolute gas absorption line-shape, allowing ...
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Medium Access Control Protocol for Wireless Sensor Networks in Harsh Environments with Directional Antennas
... Loughborough Antennas Propagation Conference LAPC 2018, 12-13 November 2018, Loughborough, UK Medium Access Control Protocol for Wireless Sensor Networks in Harsh Environments with Direc[r] ...
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Autonomous robots for harsh environments : a holistic overview of current solutions and ongoing challenges
... challenging environments in mind must consider the behavior of control schemes, decision-making policies and planning algorithms when applied to tasks that are met with uncertainty and ...of harsh ...
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A methodology for design of lightweight robotic arm links in harsh environments
... A methodology for the creation of functionally graded material (FGM) parts in harsh environments has been developed. It uses a two-stage optimisation approach that focusses first on the task-dependent ...
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Protecting Data Confidentiality from Leakages in Harsh Environments Using a Accountable Data Transfer Protocol Ahmed Tamem Mohammed Alkhbeer & T Ramdas Naik
... Page 495 Protecting Data Confidentiality from Leakages in Harsh Environments Using a Accountable Data Transfer Protocol Ahmed Tamem Mohammed Alkhbeer Msc(IS), Department Computer Science, Nizam Colleg[.] ...
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Thermal Flow Sensors for Harsh Environments
... Various studies on the development and characterization of thermal flow sensors in different materials have been carried out in the last decade. The reported high operating temperature and working pressure of the flow ...
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Quantitative measurement of combustion gases in harsh environments using NDIR spectroscopy
... time resolutions up to 33 µs and faces huge challenges due to a harsh and highly dynamic (temperature and pressure) environment. We demonstrated an application of the system to an IC engine under motored and fired ...
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A detailed characterization of BaMgAl10O17:Eu phosphor as a thermal history sensor for harsh environments<sub/>
... An alternative off-line method based on the use of thermographic phosphors was has been devised by Feist et al. [8]. Thermographic phosphor materials usually consist of a ceramic host and a rare-earth dopant that emit ...
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Rugged optical mirrors for Fourier transform spectrometers operated in harsh environments
... 2.1 Unprotected gold-coated mirror performance The original solar tracker mirrors by Bruker have a vapour- deposited gold coating on a glass substrate. There is no ad- ditional protective layer. In rural or urban areas, ...
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Improving the yield and lifetime of microfabricated sensors for harsh environments
... The presence of Li ions in the melt poses a severe challenge to the integrity of the dielectric, which is required to act as a barrier to the salt [12]. Electrode characterisation within an MS environment is also a ...
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Human error risk assessment for shipping maintenance procedures in harsh environments
... Abstract – Human factors play a significant role in increasing the operational safety of maritime transport and offshore facilities. A significant number of human errors occur during the maintenance phase. However, the ...
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A gas sensor system for harsh environment applications
... a harsh environment ...in harsh environments for a long time because of failure within the sensor, inside the packaging, or at the interconnection between the sensor and ...to harsh ...
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Food Web Structure in a Harsh Glacier-Fed River
... In harsh environments with low rates of primary production, minimal allochthonous organic matter inputs and low predation, food webs should be dominated by invertebrates with generalist feeding habits ...
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... A harsh physical environment refers to the difficult aspects/attributes of the environment that threaten human ...such harsh environments is dictated among other things, by culture, history and the ...
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Mechanisms of cyst formation in metastatic lymph nodes of head and neck squamous cell carcinoma
... Similarly, lymphocytes have influence on metastatic tumor cells and malignant cells could have lower growth rate in lymph nodes than in primary tumor site due to the presence of noticeable immunologic response. This ...
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A new approach for optimising GNSS positioning performance in harsh observation environments
... complicated environments. However, in the harsh environments, such as urban canyons or deep valleys, such monitoring applications based on Global Positioning System (GPS) only system have apparent ...
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Energy Efficient Link-Delay Aware Routing Using Predicted Remaining Deliveries in Wireless Sensor Networks
... This paper proposes a novel link-delay aware energy efficient routing metric called PRD for the routing path selection tailored for WSNs deployed in harsh environments, where the networks are exposed to ...
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