Visualization of flatness pattern recognition based on T-S cloud inference network

ZHANG Xiu-ling(张秀玲)^{1, 2}, ZHAO Liang(赵亮)¹, ZANG Jia-yin(臧佳音)¹, FAN Hong-min(樊红敏)¹

(1. Key Laboratory of Industrial Computer Control Engineering of Hebei Province (Yanshan University),
Qinhuangdao 066004, China;
2. National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,
Qinhuangdao 066004, China)

Abstract:Flatness pattern recognition is the key of the flatness control. The accuracy of the present flatness pattern recognition is limited and the shape defects cannot be reflected intuitively. In order to improve it, a novel method via T-S cloud inference network optimized by genetic algorithm (GA) is proposed. T-S cloud inference network is constructed with T-S fuzzy neural network and the cloud model. So, the rapid of fuzzy logic and the uncertainty of cloud model for processing data are both taken into account. What’s more, GA possesses good parallel design structure and global optimization characteristics. Compared with the simulation recognition results of traditional BP Algorithm, GA is more accurate and effective. Moreover, virtual reality technology is introduced into the field of shape control by LabVIEW, MATLAB mixed programming. And virtual flatness pattern recognition interface is designed. Therefore, the data of engineering analysis and the actual model are combined with each other, and the shape defects could be seen more lively and intuitively.

Key words:pattern recognition; T-S cloud inference network; cloud model; mixed programming; virtual reality; visual recognition