摘要
介绍了排球不同球缝随机气动力建模思想,探讨了建模的仿真方法,包括模型及其结构辨识、辨识方法优选及模型检验等.验证结果表明,所建模型与实际吻合,建模方法可行实用,具有直观、简便、灵活、通用、易分析比较、建模精度和效率高等特点。
The research on modeling for RAF(random aerodynamic forces) on volleyball with various types of seams is introduced.The modeling methods of simulation are discussed including the identications of model and model structure,the optimization of identification methods and the model examination etc.The verifying results show that the modeling of the present methods is in good agreement with the practice,the modeling methods are feasible and practicable and have a number of features:such as direct show,convenience,flexibility,higher accuracy and efficiency and so on.The methods provide the modeling means for further study on float servicing techniques by using volleyball with various types of seams.
出处
《北京航空航天大学学报》
EI
CAS
CSCD
北大核心
1996年第6期701-706,共6页
Journal of Beijing University of Aeronautics and Astronautics
基金
国家自然科学基金
关键词
球体
气动力
试验模型
数字仿真
spheres
aerodynamic test models
digital simulation
model building