Andrew David Craig

Design and Implementation of Full-Scale Industrial Control System Test Bed for Assessing Cyber-Security Defenses

Rob Gillen, Laura Ann Anderson, Christopher Craig, Jordan A. Johnson et autres

In response to the increasing awareness of the Ethernet-based threat surface of industrial control systems (ICS), both the research and commercial communities are responding with ICS-specific security solutions. Unfortunately, many of the properties of ICS environments that contribute to the extent of …

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PAINT: Priority aware interference mitigation techniques for improving coexistence in home area networks of smart grid

Badrun Nahar, J. Jackson Juliet Roy, Amit Karmaker, Andrew David Craig et autres

Summary As smart grid (SG) home area networks (HANs) communicate with various smart devices such as meters, sensors, and actuators on a 2.4‐GHz unlicensed band, the coexistence of different wireless technologies in such networks is a common phenomenon due to the overlapping …

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Suitable Species for the Reclamation and Sustainability of Saline Land in Southern Australia

M. E. Rogers, Andrew David Craig, Timothy D. Colmer, Rana Munns et autres

An energy‐efficient and balanced clustering approach for improving throughput of wireless sensor networks

Amit Karmaker, Mohammad Shah Alam, Md. Mahedee Hasan, Andrew David Craig

Summary Maximizing the lifespan of wireless sensor networks is currently drawing a lot of attention in the research community. In order to reduce energy consumption, sensor nodes that are far from the base station avoid sending data directly. As a result, several …

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Minimizing the Adverse Effects of Asymmetric Links: A Novel Cooperative Asynchronous MAC Protocol for Wireless Sensor Networks

Md. Mahedee Hasan, Amit Karmaker, Mohammad Shah Alam, Andrew David Craig

As Wireless Sensor Networks (WSNs) grow in popularity, researchers are now focusing more on some challenging issues that significantly degrade overall performance, such as energy hole mitigation, link asymmetry minimization, etc. Link asymmetry is a problem that arises when the coverage distance …

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Messina ( Melilotus siculus )–A New Pasture Legume for Saltland

Amanda L. Bonython, Andrew David Craig, Ross Ballard, N. Charman et autres

Small-Scale Smart Electrical Grid Design, Construction, and Analysis

Andrew David Craig, Xiao‐Kuan Li, Patrick Sesker, Alex Mcinerny et autres

As society moves into the digital age, the expectation of instantaneous electricity at the flip of a switch is more prominent than ever. The traditional electric grid has become outdated and Smart Grids are being developed to deliver reliable and efficient energy …

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Implementation of Wired Drill Pipe Saved Multiple Days Per Well, by Addressing Performance Limiters, Increasing Drilling Efficiency

Reina Teelken, Colin Jaring, Andrew David Craig, Roy Allan et autres

Abstract This paper will discuss the implementation of the Wired Drill Pipe telemetry on two wells of the Babbage development project in the Central North Sea and will present the quantified efficiency gains achieved across various drilling operations. Wired Drill Pipe (WDP) …

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Addressing UBO and MPD Challenges with Wired Drill Pipe Telemetry

David S. Pixton, Reza Asgharzadeh Shishavan, Hector D. Perez, John D. Hedengren et autres

Abstract Wired drill pipe (WDP) telemetry has been used in over 100 wells worldwide to create a drillstring network that provides high bandwidth communications between tools deployed in the wellbore and the surface. When applied to managed pressure drilling (MPD) and underbalanced …

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Drillstring Network 2.0: An Enhanced Drillstring Network Based on 100 Wells of Experience

David S. Pixton, Andrew David Craig

Abstract Wired drill pipe (WDP) has been used in over 100 wells worldwide to provide high-bandwidth communications between the surface and tools deployed in the wellbore. Such enhanced access to real-time data improves decision making, opens the door for advanced drilling processes …

Application of Wired Drillpipe Technology Used to Increase Drilling Efficiency on North Sea Project

Andrew David Craig, Reina Teelken, Martin Lindgrin, Stig Arne Stene et autres

Physiological effects of endophyte-infected perennial ryegrass straw on female camels in the Middle East

K Alabdouli, Linda Lou Blythe, Jennifer M. Duringer, ABED EL MONEM S. EL-KHOULY et autres

Recently, the United Arab Emirates has increased importation of perennial ryegrass (Lolium perenne) straw as part of the grass/hay ration for camels.Unfortunately, perennial ryegrass straw may be infected with the endophyte Neotyphodium lolii which produces lolitrem B, a toxic alkaloid responsible for …

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