Essentials of control techniques and Keyword Stats 7 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 ... value of position and velocity. 91239.indb 65 10/12/09 1:41:55 PM Adding Control ◾ 57 and we have new variables which are the components of w, where we know the trans...

Ngày tải lên: 21/06/2014, 13:20

... 0j Figure 7. 1 Complex frequencies. 91239.indb 82 10/12/09 1:42:33 PM 78 ◾ Essentials of Control Techniques and Theory 7. 2 Sine-Wave Fundamentals Sine-waves and allied signals are the tools of the ... conditions that cos(0) = 1 and sin(0) = 0 and the expression follows. 91239.indb 78 10/12/09 1:42:24 PM 70 ◾ Essentials of Control Techniques and Theory i.e....

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... Systems and Computer Control ◾ 109 i.e., ()ak ak2 1482 361 0− += ak =± = 74 1 74 1 361 74 1 74 0 75 6 2 () − Since ak must be less than 20, we must take the smaller value, giving a value of ak ... Systems and Computer Control ◾ 1 07 8.8 A Practical Example of Discrete Time Control Let us work through example Q 8 .7. 1. e most obvious state variables of the motor...

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... 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...

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... kaZs1+ = + () () () 91239.indb 173 10/12/09 1:44:59 PM 174 ◾ Essentials of Control Techniques and Theory To plot the progress of the poles, we must look at the roots of Ps kaZs() ()+=0 Without ... of poles and zeros, and what other techniques can be discovered? 12.5 Poles and Polynomials We can represent the gain of the sort of linear system that we have been c...

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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 ... 10/12/09 1:45: 27 PM 184 ◾ Essentials of Control Techniques and Theory 13.5 Neural Nets When first introduced, the merit of neural nets was proclaimed to be their mas...

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... 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 ... sum of the individual responses, as shown in Figure 15.4. u(t) x(t) t t Figure 15.1 Input and output as time plots. 91239.indb 2 07 10/12/09 1:45:42 PM 226 ◾ Essentials...

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... 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...

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... convertor (DAC), 277 – 279 output and input values, 278 quantization of, 280 Discrete-state equations, 265 matrix, 105 Discrete time control, 97 practical example of, 1 07 110 dynamic control, 282–288 equations ... 212 Automatic control, 3 B Back propagation, 184 Ball and plate integrator, 6 7 Bang-bang control control law, 74 controller, 182 velodyne loop, 183 parabolic traj...

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... Effect of Saturation 65 6.3 Meet the Phase Plane 65 6.4 Phase Plane for Saturating Drive 70 6.5 Bang–Bang Control and Sliding Mode 74 7 Frequency Domain Methods 77 7. 1 Introduction 77 7. 2 Sine-Wave ... Fundamentals 78 7. 3 Complex Amplitudes 79 7. 4 More Complex Still-Complex Frequencies 81 7. 5 Eigenfunctions and Gain 81 7. 6 A Surfeit of Feedback 83 7. 7 Poles...

Ngày tải lên: 21/06/2014, 07:20