1) sudden change in joint velocity
关节速度突变
1.
In order to reduce the sudden change,improve the motion stability of the manipulator and increase its operational accuracy in fault tolerance,this paper defines the sudden change in joint velocity as an index and a corresponding fault tolerant planning algorithm based on this index is proposed.
为了减小关节速度突变,改善机械臂容错操作的运动平稳性并提高其操作精度,根据关节速度突变这一指标,提出了使速度突变极小化的容错运动规划算法,并利用PowerCube 4R空间机械臂和Optotrak三维动态测量系统建立了一个实验平台,实测出了容错操作中由关节速度突变引起的机械臂末端的运动误差。
2) sudden-change of joint relative velocity
关节相对速度突变
1.
To reduce the sudden-change of joint relative velocity by using the reduced condition number as the fault tolerant index when the robot s fault joint is locked.
为了减小机器人锁定故障关节时刻的关节相对速度突变,运用退化条件数作为容错性能指标,分别以平面3R和空间4R机器人为仿真对象,分析研究了影响关节相对速度突变的主要因素。
3) catastrophe of joint value
关节值突变
5) severe change in velocity
速度突变带
6) Facet joint
关节突关节
1.
Facet joint asymmetry and lumbar intervertebral disc herniation in adolescent;
腰椎关节突关节不对称与青少年腰椎间盘突出症
2.
Purpose: To explore the method and probability for directly measuring the stress in lumbar facet joint and disc under dynamic loading, to afford the experimental base for further investigation of intra-articular stress changing regularity under different motion conditions.
目的：探寻动态载荷下对腰椎关节突关节和椎间盘内应力进行直接测量的方法及其可行性，为进一步研究各种运动状态下关节内应力变化规律提供实验基础。
3.
Posterior facet joint excision is a relatively good nerve root decompression surgery.
目的本实验通过测量颈椎正常组、单侧关节突关节分级切除组,颈椎六个方位的载荷,活动度,进行比较,来说明颈椎关节突关节破坏程度与颈椎稳定性之间的关系,以期为研究脊柱损伤提供理论依据,为临床手术提供更详细的理论支持。
补充资料：跟距关节融合和跗中关节离断术
跟距关节融合和跗中关节离断术
Syme amputation
踝部截肢时，胫骨下关节软骨切除、保留软骨下骨质，切除距骨和跟骨，保留跟骨后部骨膜和跟下脂肪垫，将其与胫骨残端骨膜缝合。残端负重性能好，也方便安装假肢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条