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{
"metadata": {
"name": "",
"signature": "sha256:0628c82e0a3c22058af365d46ac02e72480c2ca3ef49b0c17613dda76ae1e83e"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"CHAPTER23 : PRINCIPLES OF AUTOMATIC CONTROL"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E01 : Pg 837"
]
},
{
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"input": [
"deltaGi = 420. - 380.; # variation in the without feedback gain\n",
"Gi = 400.; # without feedback gain\n",
"T = 400.; # transfer function of the closed loop system\n",
"# (variation in T)/T = (change in G)/G * (1/ 1+H*G) = 0.02\n",
"# 1 + H*G = R\n",
"R = (deltaGi/Gi)/0.02; \n",
"\n",
"G = T*R; # new direct transmission gain with feedback \n",
"H = (G/T - 1.)/G; # feedback factor \n",
"\n",
"print '%s %.2f' %(\"new direct transmission gain with feedback = \",G)\n",
"print '%s %.2e' %(\"feedback factors = \",H)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"new direct transmission gain with feedback = 2000.00\n",
"feedback factors = 2.00e-03\n"
]
}
],
"prompt_number": 1
}
],
"metadata": {}
}
]
}
|
