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Add functions to generate weights and CF

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Thomas Dehaeze 2021-04-29 15:03:59 +02:00
parent 3fb03c1d29
commit ea35194620
3 changed files with 915 additions and 546 deletions
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1298
matlab/index.org
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28
matlab/matlab/src/generateCF.m Normal file
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function [H1, H2] = generateCF(W1, W2, args)
% createWeight -
%
% Syntax: [W] = generateCF(args)
%
% Inputs:
% - W1 - Weighting Function for H1
% - W2 - Weighting Function for H2
% - args -
%
% Outputs:
% - H1 - Generated H1 Filter
% - H2 - Generated H2 Filter
arguments
W1
W2
args.method char {mustBeMember(args.method,{'lmi', 'ric'})} = 'ric'
args.display char {mustBeMember(args.display,{'on', 'off'})} = 'on'
end
P = [W1 -W1;
0 W2;
1 0];
[H2, ~, gamma, ~] = hinfsyn(P, 1, 1,'TOLGAM', 0.001, 'METHOD', args.method, 'DISPLAY', args.display);
H1 = 1 - H2;

39
matlab/matlab/src/generateWF.m Normal file
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function [W] = generateWF(args)
% createWeight -
%
% Syntax: [W] = generateWeight(args)
%
% Inputs:
% - n - Weight Order (integer)
% - G0 - Low frequency Gain
% - G1 - High frequency Gain
% - Gc - Gain of the weight at frequency w0
% - w0 - Frequency at which |W(j w0)| = Gc [rad/s]
%
% Outputs:
% - W - Generated Weight
arguments
args.n (1,1) double {mustBeInteger, mustBePositive} = 1
args.G0 (1,1) double {mustBeNumeric, mustBePositive} = 0.1
args.Ginf (1,1) double {mustBeNumeric, mustBePositive} = 10
args.Gc (1,1) double {mustBeNumeric, mustBePositive} = 1
args.w0 (1,1) double {mustBeNumeric, mustBePositive} = 1
end
mustBeBetween(args.G0, args.Gc, args.Ginf);
s = zpk('s');
W = (((1/args.w0)*sqrt((1-(args.G0/args.Gc)^(2/args.n))/(1-(args.Gc/args.Ginf)^(2/args.n)))*s + ...
(args.G0/args.Gc)^(1/args.n))/...
((1/args.Ginf)^(1/args.n)*(1/args.w0)*sqrt((1-(args.G0/args.Gc)^(2/args.n))/(1-(args.Gc/args.Ginf)^(2/args.n)))*s + ...
(1/args.Gc)^(1/args.n)))^args.n;
% Custom validation function
function mustBeBetween(a,b,c)
if ~((a > b && b > c) || (c > b && b > a))
eid = 'createWeight:inputError';
msg = 'Gc should be between G0 and Ginf.';
throwAsCaller(MException(eid,msg))
end