1.The inverse dynamic method of manipulator and the Linear Quadrics (LQ) optimum control method are employed to investigate the problems of trajectory tracking and eliminating the remaining vibration.

利用機械臂逆動力學方法和線性二次型（LQ）最優(yōu)控制方法討論剛柔性耦合機械臂的軌跡跟蹤控制問題和消除殘余振動的控制問題。

2.The inverse dynamic method of manipulator and the Linear Quadrics (LQ) optimum control method are employed to investigate the problems of trajectory tracking and eliminating the remaining vibration.

利用機械臂逆動力學方法和線性二次型（LQ）最優(yōu)控制方法討論剛柔性耦合機械臂的軌跡跟蹤控制問題和消除殘余振動的控制問題。

3.In this thesis, we will investigate subdivision method and its application, including construction of four-point wavelets, generation of sharp features and quadrics.

本文主要研究細分方法及其應用，所做的工作包括四點小波的構造、尖銳特征造型和二次曲面造型。

4.It is known that the projection of the intersection of quadrics with common plane of symmetry on this plane is a curve of second order.

具有公共對稱平面的二次曲面的交線在該平面上的投影為二次曲線。

5.The following embarks from the system state space; the condition feedback control and quadrics optimum controls are studied.

隨后又從系統(tǒng)的狀態(tài)空間出發(fā)，研究了狀態(tài)反饋控制和二次型最優(yōu)控制；