1. School of Electrical and Computer Engineering; RMIT University; Melbourne VIC 3000 Australia
2. School of Applied Sciences; RMIT University; Melbourne VIC 3000 Australia
3. Centre for Intelligent Systems Research; Deakin University; Waurn Ponds VIC 3217 Australia
4. School of Aerospace Mechanical & Manufacturing Engineering; RMIT University; Melbourne VIC 3000 Australia