The models under pinned pinned boundary conditions(PPM), or clamped free boundary conditions(CFM) are often adopted to control a flexible arm system. But no agreement is achievec as to which one is more accurate.

• 柔性臂系统控制经常采用的是简支梁模型和悬梁模型 ,但对哪一种模型更准确的问题尚无统一的认识。