The state space matrices of the systems are assumed to be affine functions of some time varying parameters, which can be measured in real time during the system operation.

这类系统的状态空间矩阵是一些时变参数的仿射函数，而这些时变参数是可以实时测量的。

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In this paper, the tangent stiffness matrices and the secant stiffness matrices of space trusses are derived with the energy principle in the Total Lagrangian coordinates.

本文在T．L．坐标下，利用能量原理，同时导出了空间杆元精确的割线刚度矩阵和切线刚度矩阵显式。

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The method for fault isolation is presented by separating this fixed direction from the directions in the parity space of the other factors by using the optimal transformation matrices.

通过选取最优转换矩阵，将这一方向与其它因素在一致空间中所在方向相分离，提出一种故障隔离的方法。

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