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Investigation of the audio spotlight for active noise control. The focus of this project is to investigate a new technology - the audio spotlight - with the aim of developing an active noise control (ANC) system that incorporates the audio spotlight as a control source. The audio spotlight offers the potential to overcome or significantly modify the fundamental physical constraints that limit the performance of ANC systems that use conventional loudspeakers as control sources. Just as audio spot ....Investigation of the audio spotlight for active noise control. The focus of this project is to investigate a new technology - the audio spotlight - with the aim of developing an active noise control (ANC) system that incorporates the audio spotlight as a control source. The audio spotlight offers the potential to overcome or significantly modify the fundamental physical constraints that limit the performance of ANC systems that use conventional loudspeakers as control sources. Just as audio spotlights may be the most radical technological development in acoustics since the invention of the coil loudspeaker, successful incorporation of an audio spotlight into an active noise control system will revolutionise active noise control.Read moreRead less
Control Strategies for Idle Speed of Automotive Engines. Reduction of engine idle speed will provide significant improvements in fuel efficiency. Current techniques are based on simplified models of a complex engine system and as a result do not fully exploit the possible controller capability. Therefore this project proposes new engine models and will provide novel controller methods to address this problem. This should contribute to increased engine stability and faster torque response to dist ....Control Strategies for Idle Speed of Automotive Engines. Reduction of engine idle speed will provide significant improvements in fuel efficiency. Current techniques are based on simplified models of a complex engine system and as a result do not fully exploit the possible controller capability. Therefore this project proposes new engine models and will provide novel controller methods to address this problem. This should contribute to increased engine stability and faster torque response to disturbances like air conditioner engagement, for both LPG and gasoline injected engines, thus allowing the engine idle speed to be lowered without risking stall or impairing the engine Noise, Vibration and Harshness quality.Read moreRead less
Non-linear dynamics of magnetic bearing systems. The aim of this project is to gain a much deeper insight into the effects of non-linearities on the dynamic behavior and on the performance of active magnetic bearings(AMBs). This project will focus attention on stability analysis, bifurcation control, malfunction analysis, and nonlinear dynamic behavior. The expected outcomes are better understanding and prediction of nonlinear behavior and control of AMBs and improved guidelines for designing sa ....Non-linear dynamics of magnetic bearing systems. The aim of this project is to gain a much deeper insight into the effects of non-linearities on the dynamic behavior and on the performance of active magnetic bearings(AMBs). This project will focus attention on stability analysis, bifurcation control, malfunction analysis, and nonlinear dynamic behavior. The expected outcomes are better understanding and prediction of nonlinear behavior and control of AMBs and improved guidelines for designing safer and more effective AMBs.Read moreRead less
Image-based teleoperation of semi-autonomous robotic vehicles. This project will contribute strongly to Australia's robotic service industry in the development of semi-autonomous robotic inspection vehicles by; developing core technology in image-based teleoperation, training experts in the area, promoting the study of this topic within the Australian academia, and developing test facilities and prototype vehicles. Robotic inspection vehicles have the potential to replace direct human presence i ....Image-based teleoperation of semi-autonomous robotic vehicles. This project will contribute strongly to Australia's robotic service industry in the development of semi-autonomous robotic inspection vehicles by; developing core technology in image-based teleoperation, training experts in the area, promoting the study of this topic within the Australian academia, and developing test facilities and prototype vehicles. Robotic inspection vehicles have the potential to replace direct human presence in difficult, dangerous or simply uncomfortable inspection tasks such as; inspection of industrial pressure vessels, piping and conduits in factories or mines, undersea cabling, inspection of bridges, dams and other large scale civil buildings, amongst many other possibilities.Read moreRead less
Modelling of Pulse Current Parameters and Design of Fuzzy Logic Controller for Uniform Metal Transfer in Pulsed Gas Metal Arc Welding of Aluminium Alloy. The use of aluminium alloys in automotive and aerospace industry is growing across the world. In order to improve the use of aluminium alloy in various industries, the welding process for aluminium need to be improved. The objective of this research is to develop an intelligent controller for welding power source, which is capable of selectin ....Modelling of Pulse Current Parameters and Design of Fuzzy Logic Controller for Uniform Metal Transfer in Pulsed Gas Metal Arc Welding of Aluminium Alloy. The use of aluminium alloys in automotive and aerospace industry is growing across the world. In order to improve the use of aluminium alloy in various industries, the welding process for aluminium need to be improved. The objective of this research is to develop an intelligent controller for welding power source, which is capable of selecting process parameters automatically for varying pulse conditions in welding of aluminium alloys. The fundamental understanding about development of proposed intelligent system with smart controller for uniform metal transfer will create global interest across the welding industry and will create a new market potential throughout world where use of aluminium as a base material is growing.Read moreRead less
Parallel-Link Mechanism Control using new Concept and Techniques. The new knowledge and techniques, as a result of this research project, will have direct relevance to many Australian industries. In particular, they provide opportunities to improve Australia's competitiveness through innovations for the manufacturing sector. For this sector, increasing global competition and tariff reductions pose serious challenges to its continuing international competitiveness. There is an urgent need to deve ....Parallel-Link Mechanism Control using new Concept and Techniques. The new knowledge and techniques, as a result of this research project, will have direct relevance to many Australian industries. In particular, they provide opportunities to improve Australia's competitiveness through innovations for the manufacturing sector. For this sector, increasing global competition and tariff reductions pose serious challenges to its continuing international competitiveness. There is an urgent need to develop cost effective innovative products. The outcomes of this research will produce a faster, more accurate, cheaper and optimally controlled parallel-link robot than currently available. Read moreRead less
Design of Quantized Feedback for Robust Control Systems. Most modern machineries and industrial processes are manipulated using advanced control technologies. With the recent advances in information technology, more and more control systems operate over communications networks. However, the technologies used in these control systems are seriously lagging behind because they make little assumptions about problems in digital communications. These problems include sampling errors, quantization erro ....Design of Quantized Feedback for Robust Control Systems. Most modern machineries and industrial processes are manipulated using advanced control technologies. With the recent advances in information technology, more and more control systems operate over communications networks. However, the technologies used in these control systems are seriously lagging behind because they make little assumptions about problems in digital communications. These problems include sampling errors, quantization errors, transmission errors and transmission delays. The proposed research will develop a new control theory to address this issue. Our work will help Australia maintain a leading role in the area of control and give the Australian industry advantages in applying modern technologies in control and automation.Read moreRead less
Advancing System Identification using Modern Optimisation Methods. This project lies within an ARC Research Priority Area. Namely, "Frontier Technologies". It involves the development of new technologies and fundamental theory that take data records from physical or abstract systems and generate mathematical models for use in prediction, control and diagnosis of the underlying system. In light of this, the project also lies within the ARC Research Priority Area of "Smart Information Use",
New Approaches for the Estimation of Complex Dynamic System Models. This project lies within an ARC defined Research Priority Area.
Namely, "Frontier Technologies". It is directed towards taking
available data records from physical and other processes, ranging from
petrochemical plant outputs to share market values, and using them to
determine equations that allow for the prediction, diagnosis, and
control of the underlying determining systems. As such, it lies
within the ARC identified ....New Approaches for the Estimation of Complex Dynamic System Models. This project lies within an ARC defined Research Priority Area.
Namely, "Frontier Technologies". It is directed towards taking
available data records from physical and other processes, ranging from
petrochemical plant outputs to share market values, and using them to
determine equations that allow for the prediction, diagnosis, and
control of the underlying determining systems. As such, it lies
within the ARC identified area of "Smart Information Use", but has further
potential to foster new approaches and new technologies, by way of the
improved system modelling, prediction and diagnosis capabilities it will provide.Read moreRead less
New Methods for Dynamic System Estimation. The estimation of dynamic system models from records of normal operating data is a significant problem across many engineering applications ranging from (at least) chemical process control to the implementation of telecommunications networks. This project, based on a promising pilot study, will develop and analyse new methods for solving these problems. This will lead to significant advances in the simplicity, robustness and generality of methods for a ....New Methods for Dynamic System Estimation. The estimation of dynamic system models from records of normal operating data is a significant problem across many engineering applications ranging from (at least) chemical process control to the implementation of telecommunications networks. This project, based on a promising pilot study, will develop and analyse new methods for solving these problems. This will lead to significant advances in the simplicity, robustness and generality of methods for accurate model generation with attendant benefits of more efficient and higher performance operation of many engineering systems.Read moreRead less