A controller for a satellite attitude control with transfer function G = 1 s 2 has been designed with a unity feedback structure and has the transfer function D(s) = 8(s+2) s+4 . Find the system type and the corresponding error constant for this system.

type 2, k = 4

Explanation:

(a) The transfer function of the controller for a satellite attitude control is  

The transfer function of unity feedback structure is

To determine system type for reference tracking, identify the number of poles at origin in the open-loop transfer function.  

For unity feedback system, the open-bop transfer function

Determine the poles in G(s)4(s).

s = 0,0,-5

Type of he system is decided by the number of poles at origin in the open loop transfer function.

Since, there are two poles at origin, the type of the system will be 2.  

Therefore, the system type is  

Type 2  

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explanation:

answer:

(b)

explanation: