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comparison scripts/control/base/analdemo.m @ 4771:b8105302cfe8

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[project @ 2004-02-16 17:45:50 by jwe]
author jwe
date Mon, 16 Feb 2004 17:45:50 +0000
parents 02ca908056e9
children bdbee5282954
comparison
equal deleted inserted replaced
4770:ef5e598f099b 4771:b8105302cfe8
111 disp("a, b, c, d => state space system used as input argument"); 111 disp("a, b, c, d => state space system used as input argument");
112 prompt 112 prompt
113 clc 113 clc
114 114
115 disp("Example #2, consider the state space system from example 1 again:"); 115 disp("Example #2, consider the state space system from example 1 again:");
116 cmd = "sys = ss2sys(a,b,c,d);"; 116 cmd = "sys = ss(a,b,c,d);";
117 disp(cmd); 117 disp(cmd);
118 eval(cmd); 118 eval(cmd);
119 sysout(sys); 119 sysout(sys);
120 disp("\nThe zeros of this system can also be calculated directly from the"); 120 disp("\nThe zeros of this system can also be calculated directly from the");
121 disp("system variable:"); 121 disp("system variable:");
135 prompt 135 prompt
136 136
137 clc 137 clc
138 disp("Continuous => Discrete and Discrete => Continuous conversions (c2d,d2c)"); 138 disp("Continuous => Discrete and Discrete => Continuous conversions (c2d,d2c)");
139 disp("\nExample #1, consider the following continuous state space system"); 139 disp("\nExample #1, consider the following continuous state space system");
140 cmd = "sys_cont = ss2sys([-11, 6; -15, 8], [1; 2], [2, -1], 0);"; 140 cmd = "sys_cont = ss([-11, 6; -15, 8], [1; 2], [2, -1], 0);";
141 eval(cmd); 141 eval(cmd);
142 disp(cmd); 142 disp(cmd);
143 disp("Examine the poles and zeros of the continuous system:"); 143 disp("Examine the poles and zeros of the continuous system:");
144 sysout(sys_cont,"all"); 144 sysout(sys_cont,"all");
145 disp("\nTo convert this to a discrete system, a sampling time is needed:"); 145 disp("\nTo convert this to a discrete system, a sampling time is needed:");
216 disp("--- Balanced realization: not yet implemented") 216 disp("--- Balanced realization: not yet implemented")
217 elseif (k == 6) 217 elseif (k == 6)
218 disp("--- Open loop balanced truncation: not yet implemented") 218 disp("--- Open loop balanced truncation: not yet implemented")
219 elseif (k == 7) 219 elseif (k == 7)
220 disp("SISO pole placement example:") 220 disp("SISO pole placement example:")
221 cmd = "sys=tf2sys(1, [1, -2, 1]);"; 221 cmd = "sys=tf(1, [1, -2, 1]);";
222 run_cmd 222 run_cmd
223 disp("System in zero-pole form is:") 223 disp("System in zero-pole form is:")
224 cmd = "sysout(sys,\"zp\");"; 224 cmd = "sysout(sys,\"zp\");";
225 run_cmd 225 run_cmd
226 disp("and in state space form:") 226 disp("and in state space form:")