Dan Hong Zhang

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Enterprise application integration (EAI) has been pursued strenuously by researchers and industrial practitioners for decades. With the advent of Web Services and Service-Oriented Architecture (SOA), realizing enterprise integration, even automating inter-enterprise interactions become feasible. Virtualization is the fundamental for implementing an SOA(More)
A hybrid system combines continuous and discrete dynamics and runs with a set of modes. In we proposed an efficient health monitoring method for hybrid systems. This method utilizes unified constraint relations, named the global analytical redundancy relations (GARRs). Using GARRs for hybrid system health monitoring requires knowledge of the system's mode(More)
We consider the problem of estimating the position of an indoor wireless transmitter. Based on Angle of Arrival (AOA) readings from several base stations, a wireless transmitter's position has traditionally been determined using a least-squares approach. In particular, care is taken to ensure that the least-squares estimator is unbiased. Unbiased estimators(More)
The wireless sensor network (WSN) has provided new paradigm for factory automation applications such as asset tracking, machinery condition monitoring and distributed equipment control. This paper will show a design framework for industrial asset tracking application using WSN. The framework will use some optimization decomposition approach to address the(More)
This research develops a reference architecture and functional model for intelligent monitoring and fault diagnosis of large complex automated systems in manufacturing and logistics. This reference architecture organises the monitoring and diagnosis functions in a modified hierarchical manner with multiple levels, and is therefore easily scalable to meet(More)
Cutting force and vibration are two major characteristics that reflect the tool state in the milling process. Measurement of vibration on the workpiece or the fixture of the workpiece is one of the indirect methods to evaluate the effects of the cutting force. Currently, there is a lack of tool breakage monitoring solutions using vibration sensor in ball(More)
With the continuing trend towards globalization and focusing on high value with low volume, the manufacturing system architecture is evolving from traditional centralised model to the distributed model and to the recent networked model. In the modern manufacturing environment, the manufacturing systems are in networked framework via a variety of networking(More)