An Analysis Model for Structural Optimization of Polygon Ranging-Based Space Coordinate Measurement Network

Abstract:

Polygon ranging-based space coordinate measurement network, which has high measurement accuracy and simple structure, is suitable for large-scale metrology. In practice, the measurement network should be constructed flexibly according to coverage and shape and measurement accuracy of different measurand. Based on this, a universal analysis model of structural optimization is proposed. The relation between structural parameters (amount and layout of measurement base stations) and distribution of measurement accuracy of the measurement network are researched on the model. The model can provide theoretic basis for optimized and flexible design of the measurement network. A case is used to illustrate this model. The results verify that the module can be used for scientifically establishing measurement system of ultra-large size, and also preliminarily simulating and optimally designing the being adopted measurement network and measurement method for meeting requirements of size and measurement accuracy (including global and local accuracy) of different work pieces.

• Periodical: Applied Mechanics and Materials (Volumes 239-240)
• Pages: 760-768
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.239-240.760
• Online since: December 2012
• Authors: Jia Wen Hu, Xiao Fen Yu, Jun Tong Miu, Ming Zhu
• Keywords: Optimum Design for Structural Parameters of Measurement Network, Polygon Ranging-Based Measurement Network, Ultra-Large Space Coordinate Measurement

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