Software integration in national measurement-standards laboratories
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The development and integration of measurement-automation applications in a unified software solution is analysed with particular emphasis on national measurement-standards laboratories. Measurement-automation software in a typical measurement laboratory has several applications for data acquisition, data processing, data presentation and data management, which are more or less compatible with each other. The proposed unified solution is based on central database approach. The concept of structurally storing all the data in a single location, where it can be dynamically accessed by all applications, eliminates compatibility issues between applications, introduces inherent data concurrency and through efficient data and program code separation simplifies development and maintenance of the software. The concepts for the implementation of the central database approach, as well as open architecture and efficient modular design of applications are presented. The proposed solutions are determined by the specifics and requirements of national measurement-standards laboratories, such as diversity of measurements and measurement equipment, flexibility, traceability, modularity, reliability and error detection. This is opposed to the calibration software for the commercial laboratories, where the main emphasis is on the calibration throughput in a closed solution calibration system. The implementation of the integrated software solution for measurement-automation has benefits not only in reduced workload, but also in improved insight in the measurement process and data processing, increased reliability of measurement results as a result of reduction of human errors, and the data mining at a higher level.