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The optimal operation system is the key instruction system in CCHP (combined cooling, heating and power) systems, while its development and test always keep a challenge due to the structure complexity and high energy coupling degree. To solve this problem, an emulation testing platform was designed for CCHP systems to test and verify the specified optimal operation system. The stability and reliability...
A complete secondary system can be split concerning the engineering responsibility into different parts. Example is separate engineering of line operation interlocking between substations. This paper presents a new approach to line operation IEDs engineering with exchanged information between substations, which is compatible with IEC 61850. In this paper, Architecture of Line Operation between substations...
The new ISO14649 standard (so called STEP-NC) is an extension of STEP in computer numerical controls(CNCs) manufacturing, machining operation and manufacturing features are organized into a series of working steps, and each working step that is a processing instruction can be executed in CNC machine tools. Based on the analysis of STEP-NC data model and file structure, this paper presents a method...
The purpose of this paper is to discuss how to design the features that a general thoracic surgery clinical database is required for thoracic surgeons and how to design the functions which are needed in a general thoracic surgery clinical database system to evaluate the risk of an operation for a patient.
The contents of multimedia data has complex relationships. A data model incorporating the concepts of directed graphs, recursive graphs, and hypergraphs has been proposed for representing the contents of multimedia data. This data model represents an instance with a directed recursive hypergraph called an instance graph. This paper introduces an operation for manipulating instance graphs easily. The...
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