排球不同球缝随机气动力建模方法研究

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，所建模型与实现吻合，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，可用于不同球缝机气动力模型的高线或在线辨识。

RESEARCH OF MODELING METHODS FOR RAF ON VOLLEYBALL WITH VARIOUS TYPES OF SEAMS

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.