Performance analysis of the Unified Power Flow Controller based on multi-bridge converter. The objective of this research is to conceive a new configuration of UPFC without series injection transformers, based on two-level full-bridge modules. The conceived system can be utilized for the power systems to control the power flow through the transmission line.
The benefit is in reducing restrictions on electricity transfer links.
The project will develop a laboratory version of the novel UPFC de ....Performance analysis of the Unified Power Flow Controller based on multi-bridge converter. The objective of this research is to conceive a new configuration of UPFC without series injection transformers, based on two-level full-bridge modules. The conceived system can be utilized for the power systems to control the power flow through the transmission line.
The benefit is in reducing restrictions on electricity transfer links.
The project will develop a laboratory version of the novel UPFC demonstrating the hardware and control requirements for this form of UPFC which could reduce the costs of this corrective solution up to 30% below existing solutions.
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Structure of Epitaxial Semiconductor Quantum Dots. Epitaxially grown semiconductor quantum dots have received extensive attention in recent years due to their potential applications in electronic and optoelectronic devises. However, the quality of current grown quantum dots is still very far from that required for real device applications due to a lack of detailed knowledge of their nanostructures. This project aims to combine the strength of growing semiconductor quantum dots at Fudan Universit ....Structure of Epitaxial Semiconductor Quantum Dots. Epitaxially grown semiconductor quantum dots have received extensive attention in recent years due to their potential applications in electronic and optoelectronic devises. However, the quality of current grown quantum dots is still very far from that required for real device applications due to a lack of detailed knowledge of their nanostructures. This project aims to combine the strength of growing semiconductor quantum dots at Fudan University and the world-class characterisation facilities (advanced transmission electron microscopy) at the University of Queensland to actively explore optimum paths for epaxially growing device-quality semiconductor quantum dots.Read moreRead less
Power system composite load modeling. Load modelling remains an open problem (and probably the most important unsolved problem) for the power industry world wide and is a priority for the research community in Australia. Without reliable load models it is impossible to perform accurate power system security assessment, which may lead to power system blackouts causing billions of dollars and hinder national security. This project aims at developing a composite load model and tackles all the up-to ....Power system composite load modeling. Load modelling remains an open problem (and probably the most important unsolved problem) for the power industry world wide and is a priority for the research community in Australia. Without reliable load models it is impossible to perform accurate power system security assessment, which may lead to power system blackouts causing billions of dollars and hinder national security. This project aims at developing a composite load model and tackles all the up-to-date most challenging problems using existing resources and expertise. It will provide one of the most valuable tools for the Australian power industry.Read moreRead less
Development of Knowledge Based Process Planning System for Non-Symmetrical Sheet Metal Forming Processes. Sheet metal and automotive industries need to continually improve their strategic competitive advantages with flexibility and cost-effectiveness to remain competitive in a changing world economy. In order to achieve this, the primary objective in the proposed research is to design and develop a knowledge-based process planning system for non-symmetrical products produced by deep drawing pro ....Development of Knowledge Based Process Planning System for Non-Symmetrical Sheet Metal Forming Processes. Sheet metal and automotive industries need to continually improve their strategic competitive advantages with flexibility and cost-effectiveness to remain competitive in a changing world economy. In order to achieve this, the primary objective in the proposed research is to design and develop a knowledge-based process planning system for non-symmetrical products produced by deep drawing processes. This objective will be achieved by investigating the effect of process variable on drawability of sheet material, by obtaining relevant process information through necessary experimentation and finite element analysis and by development of a rule base by acquiring process information from domain experts selected from number of sheet metal manufacturing industries.Read moreRead less
Studies on the Weld Characterstics and Weldability of Welded Joints with Alternate Supply of Shileding Gases in Welding. In today's dynamic changing environment, for industries to remain internationally competitive, traditional manufacturing techniques used for welding have to become more flexible and intelligent to attain better adaptability and higher productivity. In industrial applications of MIG/MAG welding processes, various types of shielding gases are used based on type of work material ....Studies on the Weld Characterstics and Weldability of Welded Joints with Alternate Supply of Shileding Gases in Welding. In today's dynamic changing environment, for industries to remain internationally competitive, traditional manufacturing techniques used for welding have to become more flexible and intelligent to attain better adaptability and higher productivity. In industrial applications of MIG/MAG welding processes, various types of shielding gases are used based on type of work material and weld quality required. In this proposed research, experimental studies will be conducted on welding productivity by using different shielding gas combinations. The aim of this project is to conduct experimental analysis on weld arc phenomenon, weld pool behavior, and weld quality and to build an intelligent system for the selection of optimum combination shielding gas mixtures. In addition this study also aims to examine how the microstructure and mechanical properties of different welds are influenced by the use of different shielding gases combinations.Read moreRead less
Development of an Automated Control System for Selection of Optimal Process Parameters in Welding Using Solar Energy Concentration. The objective of this proposed research is to develop an intelligent control system for selection of optimal process parameters in welding using solar energy concentration. This investigation endeavours to address the complex interaction between welding process parameters and quality of weld. The results of the work will lead to signicant advancement of knowledge ....Development of an Automated Control System for Selection of Optimal Process Parameters in Welding Using Solar Energy Concentration. The objective of this proposed research is to develop an intelligent control system for selection of optimal process parameters in welding using solar energy concentration. This investigation endeavours to address the complex interaction between welding process parameters and quality of weld. The results of the work will lead to signicant advancement of knowledge in automation of the welding process and will generate global interest due to its innovation and applications in automotive manufacturing and steel fabrication industries. The research activity proposed in this application is expected to further strengthen the links between QUT and Mokpo National University and will enhance the capabilities of both universities in attracting funding from local manufacturing industries.Read moreRead less
Development of micro abrasive water jetting technology for micro machining and polishing on small complex curved surfaces. The fabrication of micro-parts such as those used in integrated sensors and micro-actuators is a new challenge for the rapid development of this industry. Many existing technologies either find limitations or result in defects on the machined surfaces. This project will develop an innovative abrasive water-jetting technology for micro machining and polishing. It will deve ....Development of micro abrasive water jetting technology for micro machining and polishing on small complex curved surfaces. The fabrication of micro-parts such as those used in integrated sensors and micro-actuators is a new challenge for the rapid development of this industry. Many existing technologies either find limitations or result in defects on the machined surfaces. This project will develop an innovative abrasive water-jetting technology for micro machining and polishing. It will develop the fundamentals and prototype for further development by industry. New nozzle designs will be analyzed and optimized by computational fluid dynamics studies and experimental investigations using a Particle Image Velocimeter. Mathematical models for the processing performance will also be developed for use in process control.Read moreRead less
Contaminant Transport in Marine Sediment. Sediments in bays and estuaries are often contaminated. The inorganic contaminants in sediments can be released back into the water body through mass transfer processes. The mass transfer rate is largely controlled by the wave-driven seepage flux across the seabed. Quantification of this flux is thus a key factor in modelling water quality of coastal water bodies. This project aims to: (1) develop models forwave-induced seepage flux within sediments and ....Contaminant Transport in Marine Sediment. Sediments in bays and estuaries are often contaminated. The inorganic contaminants in sediments can be released back into the water body through mass transfer processes. The mass transfer rate is largely controlled by the wave-driven seepage flux across the seabed. Quantification of this flux is thus a key factor in modelling water quality of coastal water bodies. This project aims to: (1) develop models forwave-induced seepage flux within sediments and contaminant transport; and (2) establish the link between seepage flux and contaminant transport. Outcomes of the proposed research will enhance the understanding of the mechanism of contaminant transport in marine sediment.Read moreRead less
Modelling of sand wave migration and its interaction with pipelines. The movement of sand due to sand waves can interfere with marine structures such as pipelines and cables on the seabed. It may also cause free spans of pipelines, with potentially serious consequences. Most previous research has considered sand wave propagation and the stability of pipelines as separate problems. In this project, we propose a coupled analysis of sand wave migration and its interaction with pipelines through mat ....Modelling of sand wave migration and its interaction with pipelines. The movement of sand due to sand waves can interfere with marine structures such as pipelines and cables on the seabed. It may also cause free spans of pipelines, with potentially serious consequences. Most previous research has considered sand wave propagation and the stability of pipelines as separate problems. In this project, we propose a coupled analysis of sand wave migration and its interaction with pipelines through mathematical and numerical modelling. The theoretical work will be supported by laboratory experiments. The resulting research will provide a better understanding of sand wave migration, beach profiles and the stability of pipelines.Read moreRead less
Tidal watertable fluctuation in a sandy ocean beach. Tidal dynamics in a sandy beach is important for erosion, saltwater intrusion and biological activities. Most previous researches were based on linearised shallow flow, ignoring capillary effects and soil behaviour, which are particularly important for a sandy beach. In this project, we propose to establish an analytical approximation for the tidal watertable fluctuation in a sandy beach by incorporate the capillary effects and soil behaviour. ....Tidal watertable fluctuation in a sandy ocean beach. Tidal dynamics in a sandy beach is important for erosion, saltwater intrusion and biological activities. Most previous researches were based on linearised shallow flow, ignoring capillary effects and soil behaviour, which are particularly important for a sandy beach. In this project, we propose to establish an analytical approximation for the tidal watertable fluctuation in a sandy beach by incorporate the capillary effects and soil behaviour. The analytical work will be supported by numerical and laboratory experiments. The research outcomes will provide a better understanding in tidal waves, beaches and groundwater interaction and also establish a long-term collaboration between two institutes.Read moreRead less