阻尼最小二乘法 meaning in English
damped least square method
Examples
- The initial model ( vs , vp , qb , p ) based on previous work of this research group is adopted , and by terms of the relationship between the attenuation factor and s - wave quality factor , the stochastic least square is conducted to inverse the o > > of ail layers under every grid , i . e . the qb structure of every uiut - column
Q _ 、 p ) ，利用衰减系数和层内s波品质因子q _之间的关系，通过阻尼最小二乘法反演方法反演每个单元格内各层q _ ，得到每个“单元柱”的q _三维结构 - ( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix , which was treated with the damped least - square method in the motion . from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position . velocity , position and accelerate of all the joints of manipulator moved regularly , consequently the problem that the joint of mani
( 6 )通过雅可比矩阵奇异值分解进行番茄收获机械手奇异性分析，并采用阻尼最小二乘法对机械手运动中的奇异位形进行处理，使番茄收获机械手最小奇异值远离零点，各关节运动速度、位置和加速度运动无异常波动，解决了机械手在奇异位形处某些关节运动无法控制的问题。 - Annual average of surveys and gray system model are used to set up the expression formula and model construction methods of time - effect , and determination method of 9 is illustrated , so as to get relatively reasonable time - effect exponent . recursive regression method is applied for foundation of dynamic monitoring model . the mathematical model of deformation of the dams with joints or cracks is put forward , aiming at the nonlinear feature of such dams
利用测值年均值和灰色系统模型，对时效分量的表达式及建模方法进行了探讨，对的取法进行了论证，从而得到较优的时效分量表达式；提出了利用递推阻尼最小二乘法建立动态监控模型的方法；并针对带缝坝变形的非线性特性，研究了带缝混凝土坝的变形监控模型。 - Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that , compared with the least - square solutions and the damped least - square solutions , the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information , which benefited the suppression of noises and made the iterations of inverse stable and convergent
结果表明，相对于最小二乘法和阻尼最小二乘法，基于自然权的加权阻尼最小二乘算法，由于利用了正确的先验信息，不但使反演过程收敛，而且具有数值稳定、抗噪能力强的优点，其成像结果能真实有效地反映对象内部缺陷，因此更适用于混凝土的超声波速度反演。 - In this paper , damped least - square method utilized to overcome kinematic singularity of robotic manipulators was improved , which achieved more accurate tracking compared to the traditional method . singular value decomposition ( svd ) , to which was attached great importance in singularity - robust inverse kinematics and kinematic control of redundant manipulators , was investigated . also , an overwhelmingly utilized algorithm of svd was improved and some possible problems encountered in joint failure issues and redundant issues when using this algorithm was deeply discussed
本文改进了解决机器人运动学奇异的阻尼最小二乘法,同传统的阻尼最小二乘法相比具有更高的跟踪精度;研究了在机器人奇异鲁棒性逆运动学、机器人冗余运动控制中占有重要地位的矩阵奇异值分解,对一种应用广泛的奇异值分解算法做了改进,并对其在关节卡死和冗余控制中可能遇到的问题做了较为深入的讨论,系统地描述了一阶运动学实现方案,为轨迹规划打下了坚实的基础。