外研版（三起）（2012）小学英语四年级下册Module 6 Unit 2 Was it a big city then$%习题(1)

外研版（三起）（2012）小学英语四年级下册Module 2 Unit 1 London is a big city.课件(3)

16.31 Feedback Control State-Space Systems What are state-space models? Why should we use them? and how do we develop a state-space mode( &ased in classical control design How are they related to the transfer functions What are the basic properties of a state-space model, and how do we analyze these?

Goal: Design a controller K(s so that the system has some desired characteristics. Typical objectives Stabilize the system( Stabilization) Regulate the system about some design point(Regulation Follow a given class of command signals(Tracking) Reduce the response to disturbances(Disturbance Rejection Typically think of closed-loop control > so we would analyze the

What do you think the eigenvectors of the element stiff- ness matrix represent? 1. a basis in which the stiffness matrix would be diago- nal (if rotated to that basis) 2. a set of nodal displacements for the element corre-

外研版（三起）（2012）小学英语四年级下册Module 2 Unit 1 London is a big city.教案(3)

What new element is Castigliano s Theorem introducing? 1. None, it's just a particular case of the PMPE 2. It's a totally different principle that allows to obtain solutions of elasticity problems with unprecedented accuracy and efficiency in- cluding relativistic effects

外研版（三起）（2012）小学英语四年级下册Module 2 Unit 1 London is a big city.教案(1)

We seek to characterize the local state of deformation of the material in a neighborhood of a point P. Consider two points P and Q in the undeformed

外研版（三起）（2012）小学英语四年级下册Module 2 Unit 1 London is a big city.导学案(3)