Research On Calculation Method Of Natural Path In Automatic Tape Laying

Automatic tape laying(ATL) is one of the advanced composite material automatic forming technology, which is developed in recent years. ATL has been widely applied in aerospace and aviation industry to produce complicated-shaped components in North America and Europe. But in China it just be started. ATL is always based on the natural path. So the study of the algorithm of natural path is at the core of the technology of ATL. This is also the topic of this thesis. The main works are as follows:(1) Analyse the previous algorithms of natural path in ATL, compare their advantages and disadvantages, choose a more suitable design method, which is based on geodesic reference frame to be used in this thesis.(2) Overcome the shortcomings of the traditional natural path algorithms in ATL of composite materials, give a new method to calculate the natural path. The new method has a high degree of automation. Then a necessary and flexible error control mechanism is established.(3) By mixed programming of Matlab and VC++,The primary natural path simulation software is developed and the algorithm was simulated and verified.The project of the research presented in this paper is supported by the National Natural Science Foundation of China(51075026) and(51575266).