我是个新手,对于自动化英语用法不太熟悉,请各位大虾帮翻译一下下面内容:
Analytical techniques require mathematical models.The transfer function is a convenient model form for the analysis and design of stationary linear systems with a limited number of deferential equations and by block diagram algebra.From the deferential or integro-differential equations describing the behavior of a particular plant ,process,or component,using the lapace
Transformation and its properties can develop the transfer functions.
We can illustrate it by a simple example:
The output votage uc of the circuit indicated in Fig. 2-1b-2 is excited by the input voltage u.according to the kirchhoff's laws,the relationship between uc and u can be written as
u=c*duc/dt*r+uc
Using the theorems, the transformed equation with zero initial conditions is
u(s)=rcsuc(s)+uc(s)
Solving for the ratio of the transformed output to the transtormed input yields transfer function of the system
g(s)=uc(s)/u(s)=1/(rcs+1) [/size][/size][/size][/size][/size][/size]
