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Aerial infrastructure scanning program takes flight

09 October, 2011

Innovative, Australian-made technology, developed by the Australian Research Centre for Aerospace Automation (ARCAA), is set to become operational next month, when Ergon Energy's ROAMES program begins aerial scanning of its vast Queensland electricity network.

ARCAA is a multi-award winning research centre based in Brisbane. It conducts aviation automation research with a particular focus on autonomous technologies which support efficient and safe utilisation of airspace, and the development of autonomous aircraft and on-board sensor systems for commercial applications.

Ergon Energy employed the Flight Assistance System (FAS) - developed by ARCAA through the Cooperative Research Centre for Spatial Information (CRCSI) - for its ROAMES (Remote Observation Automated Modelling Economic Simulation) technology for power network scanning.

Ergon Energy's distribution area covers 97 per cent of Queensland and around 150,000 kilometres of the powerline network.

FAS will assist the pilot of a ROAMES aircraft, which is also fitted with photographic and LiDAR distance measurement equipment, to fly along optimised flight paths and capture 3D geospatial information of power infrastructure.

FAS provides fully automated navigation, while the pilot maintains vehicle altitude and speed.

Precision flight would allow ROAMES to capture and process large amounts of data into a precise "virtual" world, capable of deeper analysis and forecasting of needs and trends.

The complete system would enable reliable and precise measurement of Ergon Energy's electricity network and surrounding objects such as buildings, terrain and vegetation.

Ergon Energy manages an $10 billion asset base across regional and rural Queensland and serves 690,000 customers spread over approximately one million square kilometres.

Each year Ergon Energy spends $80 million to minimise vegetation that would otherwise pose a risk to the network or community safety. By using data from ROAMES to generate 3D computer models, Ergon Energy expects to save up to $44 million over five years.

Processed ROAMES data means Ergon Energy can improve its vegetation management activities, reduce the impact of the environment on the network and thereby minimise the number of outages caused by vegetation.

The aircraft and sensor technology are scheduled to commence scanning Ergon Energy's electricity network when ROAMES becomes fully operational in November.

The aircraft will operate at an altitude of approximately half-a-kilometre, which is twice the height of Brisbane's tallest building, to enable large areas to be covered.

The network will be checked annually via ROAMES, compared with every three years by the current manual inspection system.

Research and development on the project began in 2007 by Ergon Energy and its partners: Queensland University of Technology (QUT), Australian Research Centre for Aerospace Automation (ARCAA), Cooperative Research Centre for Spatial Information (CRC SI), Google, Seabird Aviation, Trimble and the Queensland Department of Environment and Resource Management (DERM).

Queensland Minister for Energy, Hon Stephen Robertson unveiled the new customised aircraft and Ergon Energy's world-leading ROAMES technology in Hervey Bay in September 2011.

Data collected from ROAMES will be loaded into the "cloud-hosted" Google Earth Builder product, and processed into spatial layers to make them available in an interactive, 3D visualisation environment to Ergon staff.

The ROAMES project along with Google Earth Builder will enable Ergon staff to improve decision-making and realise operational efficiencies, by delivering rich, timely, spatial and precise information about the network in the context of the real-world in which it exists.

"The vast size of Ergon Energy’s distribution area - which covers 97 per cent of Queensland and around 150,000 kilometres of network - was an important motivation for developing this new technology to manage the poles and wires and surrounding environment," Mr Robertson said.

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