Dr Armstrong current research is focused on the use of information and communication technologies in agricultural and related industries and the application of data mining techniques to improve the selection of crop varieties and to find ways to respond to environment changes predicted by climate change. Dr Armstrong is an internationally recognised researcher in the area of eAgriculture and has previous worked as an Agricultural Scientist with research experience is in cereal agronomy and physiology and the effects of environmental stress on crop production and weed physiology.

She established and currently leads the eAgriculture research group at Edith Cowan University. This research group focuses on ICT in sustainable rural systems research. Her research focuses in area of data mining and image processing in agricultural and biological systems, agricultural informatics and agricultural production systems, tools and decision systems, environmental sensor networks, mobile technologies, web and software systems. She has published widely in the area of Computer and Agricultural science including 11 journal articles, 90 conference papers and 2 book chapters, 5 reports/proceedings.