Essentials of control techniques and Keyword Stats 11 ppt

... solution of   xxx++=560. (5.9) Suppose that the solution is of the form: xe mt = . en  xme mt = 91239.indb 54 10/12/09 1:41:36 PM 58 ◾ Essentials of Control Techniques and Theory is ... ◾ Essentials of Control Techniques and Theory Integral wind-up can be held in check by ensuring that the output of the integrator is limited at a level only slightl...

Ngày tải lên: 21/06/2014, 13:20

... PM 78 ◾ Essentials of Control Techniques and Theory 7.2 Sine-Wave Fundamentals Sine-waves and allied signals are the tools of the trade of classical control. ey can be represented in terms of their ... 10/12/09 1:42:47 PM 82 ◾ Essentials of Control Techniques and Theory Now the derivative of a sine-wave is another sine-wave (or cosine-wave) of the same fr...

Ngày tải lên: 21/06/2014, 13:20

... coefficient of λ 3 that the coefficient of tiltrate must exceed that of v. e coefficient of tilt must be greater than that of x, but must also overcome 91239.indb 118 10/12/09 1:43:39 PM 110 ◾ Essentials ... 00 0 0001 −− −−               bc L bd L gbe L bf L x v tilt till trate             and all we have to do is to find some eigenvalues. 91239.indb 1...

Ngày tải lên: 21/06/2014, 13:20

... too. 91239.indb 133 10/12/09 1:43:52 PM II ESSENTIALS OF CONTROL THEORY— WHAT YOU OUGHT TO KNOW 91239.indb 131 10/12/09 1:43:51 PM 136 ◾ Essentials of Control Techniques and Theory there are many more ... the rate of change of tilt instead of measuring it directly. In Section 8.9 we saw that a rate signal could be generated just by a couple of lines of software, x...

Ngày tải lên: 21/06/2014, 13:20

... = 1+s 2+s 1 G 1 G plane plane 1 1 Figure 11. 11 Whiteley plots for G = 1/(1 + s) and G = 1/(2 + s). 91239.indb 159 10/12/09 1:44:40 PM 164 ◾ Essentials of Control Techniques and Theory Whenever we have defined ... 10/12/09 1:44:31 PM 156 ◾ Essentials of Control Techniques and Theory implying from the theory of complex functions that s leaves the corresponding pole o...

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... 10/12/09 1:45:19 PM 196 ◾ Essentials of Control Techniques and Theory Now the unit impulse is the time-derivative of the unit step, so (begging all sorts of questions of convergence) the output ... the position demand, and the output position y of the motor. It is the work of a moment to sprinkle a flavoring of Laplace onto this equation and start to apply any of...

Ngày tải lên: 21/06/2014, 13:20

... the vector (1, 1)′, and 91239.indb 218 10/12/09 1:45:57 PM 222 ◾ Essentials of Control Techniques and Theory If we double the values of all the B elements and halve all those of C, the overall ... understanding of underlying principles of functions of time and the way that dynamic systems affect them. In fact, many of the issues of convolution can be much more...

Ngày tải lên: 21/06/2014, 13:20

... problem of optimal control of a linear system. u = –1 u = +1 x . x Figure 22.2 Piecewise linear suboptimal controller. 91239.indb 309 10/12/09 1:48:46 PM 288 ◾ Essentials of Control Techniques and ... 10/12/09 1:48:18 PM 290 ◾ Essentials of Control Techniques and Theory interval of time, to find the average correction needed and this can be applied as a step ch...

Ngày tải lên: 21/06/2014, 13:20

... 138–140 Controllability, 227–231 Controllers with added dynamics composite matrix equation, 112 , 113 state of system, 112 system equations, 113 Control loop with disturbance noise, 291 Control ... required sum of squares and cross-products. e diagonal elements of R give multiples of squares of the u’s, while the other elements define products of pairs of inputs. W...

Ngày tải lên: 21/06/2014, 13:20

... variables. Figure 1.3 Ball -and- plate integrator. 91239.indb 7 10/12/09 1:40:43 PM 8 ◾ Essentials of Control Techniques and Theory Computer simulation and discrete time control go hand in hand together. At ... 10/12/09 1:40:45 PM Essentials of Control Techniques and Theory 91239.indb 1 10/12/09 1:40:29 PM This page intentionally left blank 6 ◾ Essentials of Co...

Ngày tải lên: 21/06/2014, 07:20