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In order to reveal the relationship between scheduling algorithms and manufacturing accuracy, a model-based method of analyzing mismachining tolerance is presented. First, for embedded implementation, the parameters relating to sampling jitter and input-output jitter are analyzed in depth. Then, based on the error evaluation from this research, a software-based CNC simulation model is established...
As a typical complex embedded computer control system, computer numerical control(CNC) system development is confronted with a great challenge because of its specific requirements as well as some recent development trends such as ever more complex products while at lower prices and shorter develop cycle. In this paper, a model driven methodology for CNC system design and development is presented,...
With the complex function and high performance demands, the computer numerical control (CNC) system development faces great challenges. Transitional development methodology such as code-centric by hand, component based, model driven development (MDD) for CNC development were not suitable for nowadays CNC system development. A new development approach for CNC system development is necessary. Then aim...
After analyzing the shortcomings of traditional code-centric development process for embedded computer numeric control (CNC), this paper presents a new approach: Embedded cNc Development based on modEl Driven (ENDED) which enjoys the advantages of model-driven development (MDD) and domain specific modeling (DSM). This approach is a model-based methodology which includes three parts: construction of...
Current development method for computerized numerical control ( CNC ) system is mainly based on manual programming, so it is very time-consuming and is difficult to guarantee system performance. This paper presents a model-based development architecture, which is based on meat-model and model transformation, to address the problem. A domain-specific meta-model has been created to establish a special...
This paper presents an open-architecture Computerized Numerical Control (CNC) system based on Windows CE, which is a multi-task embedded real-time operating system. The CNC system adopts a master-slave architecture, And the Master applies with Windows CE, which charges weak real-time tasks such as NC code's editor, interpreter and simulator function block, fault diagnosis, I/O monitoring and control...
An object-oriented model driven rapid development process for real-time system is presented in this paper. This process adopts iterative development mode including four phases: analysis, design, implementation and testing base on the model driven architecture and each phase has micro-iterative process. The model is built by Unified Modeling Language. Model driven development method centers on software...
Model-driven development method centers on software modeling and primary artifacts designing instead of traditional method, which centers on codes. This can promote the abstract layer from code level to model level and implement the testing and verification of real-time system function in model level. It can help to solve the disaccord between models and codes, the disjointed problem of real-time...
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