Design And Implement Of Trustworthiness Measurement Model In Manufacturing Execution Software Design Phase

Manufacturing execution software plays an increasingly important role in manufacturing,and if quality problems occur,they not only affect the manufacturing process,but can even cause significant losses.In order to improve software quality,it is necessary to measure the trustworthiness of the software design phase.In this thesis,we focus on the trustworthiness of the design phase of manufacturing execution software,study the relationship between the nature of the design phase of manufacturing execution software and trustworthiness,and construct a trustworthiness measurement model for the design phase of manufacturing execution software.The research work in this thesis achieves the following three main results.Firstly,the trustworthy attributes model for the design phase of manufacturing execution software is proposed.The trustworthy attributes are classified as functional attributes and non-functional attributes,the decomposition hierarchy of the trustworthy attributes model is established on this basis,and stratify each trustworthy attribute.By classifying trustworthy evidence metrics and combining qualitative and quantitative metrics,the metric element model is established and three types of metric elements to measure trustworthy evidence are designed.Secondly,the trustworthiness measurement computation model for the design phase of manufacturing execution software is proposed.A framework for computing trustworthiness measurement is established,and a quantitative hierarchical assessment is used to evaluate the metric values as software design phase trustworthiness through an attribute-based hierarchical trustworthiness computing model.The weights of attributes and sub-attributes are determined using the comprehensive analysis criterion method in the prioritization matrix,and a method is designed to unify the measurement criteria for different types of trustworthy evidence metrics when taking values in the prioritization matrix.Finally,the trustworthiness measurement assessment tool for the design phase of manufacturing execution software is developed.The tool is divided into three parts:user management,trustworthiness attributes model management,and trustworthiness measurement evaluation,and realizes the functions of user maintenance and permission setting,trustworthiness attributes model maintenance,trustworthiness measurement evaluation,and evaluation result display.It completes the whole process of designing and implementing the trustworthiness measurement model in the design phase of manufacturing execution software,combines the theory and practice of trustworthiness in the software design phase,and enriches the basic research theory system of software trustworthiness.