Essentials of control techniques and Keyword Stats 2 pptx
Essentials of control techniques and Keyword Stats_2 pptx
... can easily outperform them. BD CA Motor +12v 0v Figure 4.3 Schematic of H-bridge. 9 123 9.indb 45 10/ 12/ 09 1:41 :22 PM 44 ◾ Essentials of Control Techniques and Theory Non-contact variations on the ... voltage and position. ClockwiseAnticlockwise Figure 4.1 Two-phase encoder waveforms. Figure 4 .2 A potentiometer can measure position. 9 123 9.indb 43 10/ 12/ 09 1:41 :20 PM...
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Essentials of control techniques and Keyword Stats_3 pot
... equate the coefficients. We get: () () ()−−94352XjXX j++= i.e., ()()−−4 122 +=jX j and so X j j jj j = + = + = 2 4 12 24 12 4 12 420 160 22 − − −−−−()() Xj= 1408/.− / e final solution ... for 10/(s + 2) (s + 5). 9 123 9.indb 91 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...
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Essentials of control techniques and Keyword Stats_4 pptx
... 0045 2 ak ak− =+ or multiplying through by 20 0 2 , ()(.)ak ak− 381 800 181 09 2 =+ () ()(),ak ak 2 7 62 720 145161 144800 0−−++ = 9 123 9.indb 108 10/ 12/ 09 1:43 :22 PM 116 ◾ Essentials of Control ... we have ()kkk n2 56 0++ = and once more we find ourselves solving a quadratic to find k = 2 or k = –3. 9 123 9.indb 1 02 10/ 12/ 09 1:43:09 PM 108 ◾ Essentials of...
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Essentials of control techniques and Keyword Stats_5 docx
... separate variable. We must also impose a limit of ±1 on u. 9 123 9.indb 122 10/ 12/ 09 1:43:44 PM 124 ◾ Essentials of Control Techniques and Theory d = 22 ., e = 16 1., f = 44 Try these new numbers ... conditions too. 9 123 9.indb 133 10/ 12/ 09 1:43: 52 PM II ESSENTIALS OF CONTROL THEORY— WHAT YOU OUGHT TO KNOW 9 123 9.indb 131 10/ 12/ 09 1:43:51 PM 136 ◾ Ess...
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Essentials of control techniques and Keyword Stats_6 doc
... Gj j () () () ω ωωω ωω = −− − + 21 1 22 22 2 9 123 9.indb 149 10/ 12/ 09 1:44 :24 PM The Root Locus ◾ 173 so the poles are at the roots of sksk 2 20++ +()= i.e., sk kk kk =− −±+− =− −±+ 12 12 121 4 2 2 /(/) // Both ... radius of 2 implies a closed loop gain of 1 /2, and k + – 1 s(s+1) 2 Figure 11.9 Block diagram with unity feedback around a variable gain. 9 123 9....
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Essentials of control techniques and Keyword Stats_7 ppt
... 14.1. 9 123 9.indb 1 92 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) ... 1 Figure 14 .2 Step response of (1 + 3s)/(1 + s). 9 123 9.indb 196 10/ 12/ 09 1:45 :27 PM 184 ◾ Essentials of Control Techniques and Theory 13.5 Neur...
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Essentials of control techniques and Keyword Stats_8 ppt
... ()()ττ=+− ∫∫ 9 123 9.indb 21 3 10/ 12/ 09 1:45: 52 PM 20 2 ◾ Essentials of Control Techniques and Theory it can be rearranged as xxxxu 3 321 3 42+ ++= is will be equivalent to x xxxu 1 111 3 42+ ++= If ... vector (1, 1)′, and 9 123 9.indb 21 8 10/ 12/ 09 1:45:57 PM 22 2 ◾ Essentials of Control Techniques and Theory If we double the va...
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Essentials of control techniques and Keyword Stats_11 ppt
... problem of optimal control of a linear system. u = –1 u = +1 x . x Figure 22 .2 Piecewise linear suboptimal controller. 9 123 9.indb 309 10/ 12/ 09 1:48:46 PM 28 8 ◾ Essentials of Control Techniques and ... damping factor and of constant undamped natural frequency. 9 123 9.indb 28 4 10/ 12/ 09 1:48: 12 PM This page intentionally left blank Design Methods for Comput...
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Essentials of control techniques and Keyword Stats_12 docx
... for constant, 28 5 z-Transform, 8, 25 1 25 2 properties of, 25 4 25 6 pulse responses, 27 9 and time functions, 27 1 9 123 9.indb 325 10/ 12/ 09 1:49:04 PM 324 ◾ Index Tiltdem expression, 128 – 129 tiltrate ... 81 www.esscont.com /20 /rootlocz. htm, 28 2 www.esscont.com/ 12/ rootzoom. htm, 175 www.esscont.com /2/ sim.htm, 14 www.esscont.com /2/ sim2.htm, 21 www.esscont.com /2/ s...
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Essentials of Control Techniques and Theory_1 pptx
... Dynamic Control Assessing Performance 28 2 21 Errors and Noise 28 9 21 .1 Disturbances 28 9 21 .2 Practical Design Considerations 29 2 21 .3 Delays and Sample Rates 29 6 21 .4 Conclusion 29 7 22 Optimal Control Nothing ... the Best 29 9 22 .1 Introduction: e End Point Problem 29 9 22 .2 Dynamic Programming 300 22 .3 Optimal Control of a Linear System 305 22 .4 T...
Ngày tải lên: 21/06/2014, 07:20