Research Of The Precision Control In The Hull Curved Blocks Construction

In the hull construction process, the plane segments and curved segments are thebasis for the hull construction，all affect the precision and quality of shipbuilding.There are more precision control technology research about plane segments than thecurved segments in the current，in this paper, we will study the hull surface segmentsprecision control of the construction process.Work and innovation of the main points:1. Analysis of the research status and development trend of the hull the curvedsegments accuracy control technology.2. By contrast with the sub-hull plane，analysis the hull segments constructionprocess points and deformation characteristics.3. Through the process control method analysis principle onthe curved surfacesection of the construction process, study the accuracy of control of the respectiveprocess stage, given the precision of control points of the respective steps, theprecision control item, precision control method and countermeasures. Establish thesurface piecewise accuracy control system and single shell side section compensationsystem.4. According to a single aggregate surface plate frame fabrication stiffenertransverse contraction, based on regression analysis theory, using MATLABprogramming, establishment of lateral contraction and plate thickness and strengthenthe material and the number of the mathematical model of the double variable, and themathematical model for the simple engineering application, the application results andliterature results differ not quite, the method is more simple and convenient.5. Based on the BP neural network theory and given a preliminary single frameform of surface piecewise fabrication Angle deformation compensation quantity ofmathematical analysis model...