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annotate m-toolbox/m/mdcs/mdc1/models/ltpda_mdc1_actuator.m @ 22:b11e88004fca database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % LTPDA_MDC1_ACTUATOR returns a frequency-domain model of the actuators for MDC1.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % DESCRIPTION: LTPDA_MDC1_ACTUATOR returns a frequency-domain model of the actuators
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % for MDC1.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % CALL: b = ltpda_mdc1_actuator(pl)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % PARAMETERS:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 % 'Actuator' - Choose actuator [default: 'DF']
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 % 'DF' - Drag-free actuator
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 % 'SUS' - Suspension actuator
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Daniele Nicolodi <nicolodi@science.unitn.it>
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15 % 'f' - a vector of frequencies [default: 1]
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 % or
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 % 'f1' - start frequency [default: 1e-6]
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % 'f2' - stop frequency [default: 5]
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 % 'nf' - number of frequency points [default: 1000]
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20 % 'scale' - frequency spacing, 'lin' or 'log' [default: 'log']
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21 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 % VERSION: $Id: ltpda_mdc1_actuator.m,v 1.2 2008/08/08 13:35:23 anneke Exp $
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23 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 % The following call returns a parameter list object that contains the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 % default parameter values:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 % >> pl = ltpda_mdc1_actuator(ao, 'Params')
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28 %
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29 % The following call returns a string that contains the routine CVS version:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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30 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 % >> version = ltpda_mdc1_actuator(ao,'Version')
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32 %
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33 % The following call returns a string that contains the routine category:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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35 % >> category = ltpda_mdc1_actuator(ao,'Category')
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36 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 % HISTORY: 11-04-08 M Hewitson
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 % Creation
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Daniele Nicolodi <nicolodi@science.unitn.it>
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41 function varargout = ltpda_mdc1_actuator(varargin)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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42 %%% Check if this is a call for parameters
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 if utils.helper.isinfocall(varargin{:})
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 varargout{1} = getInfo(varargin{3});
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 return
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Daniele Nicolodi <nicolodi@science.unitn.it>
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46 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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47
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Daniele Nicolodi <nicolodi@science.unitn.it>
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48 %%% Collect input variable names
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 in_names = cell(size(varargin));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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50 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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51
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52 pli = utils.helper.collect_objects(varargin(:), 'plist', in_names);
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53
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 %%% Decide on a deep copy or a modify
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 %%% REMARK: If you create a new AO (call the constructor) then
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Daniele Nicolodi <nicolodi@science.unitn.it>
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56 %%% it is not necessay to copy the input-AOs !!!!!!!!!!!!!!!!!!!!!!!!!
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57
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58
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Daniele Nicolodi <nicolodi@science.unitn.it>
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59 %%% Combine plists
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60 pl = combine(pli, getDefaultPlist('Range'));
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61
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62
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Daniele Nicolodi <nicolodi@science.unitn.it>
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63 %% Extract parameters from plist
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Daniele Nicolodi <nicolodi@science.unitn.it>
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64 f = find(pl, 'f');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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65 if isempty(f)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 f1 = find(pl, 'f1');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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67 f2 = find(pl, 'f2');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 nf = find(pl, 'nf');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 scale = find(pl, 'scale');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70
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Daniele Nicolodi <nicolodi@science.unitn.it>
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71 switch scale
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 case 'lin'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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73 f = linspace(f1, f2, nf);
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74 case 'log'
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75 f = logspace(log10(f1), log10(f2), nf);
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76 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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77 end
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78
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79 act = find(pl, 'Actuator');
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80
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Daniele Nicolodi <nicolodi@science.unitn.it>
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81 %% Compute response for frequencies f
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82
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Daniele Nicolodi <nicolodi@science.unitn.it>
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83 switch upper(act)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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84 case 'DF'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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85 a = getDFactuator(f);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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86 case 'SUS'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87 a = getSUSactuator(f);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 otherwise
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Daniele Nicolodi <nicolodi@science.unitn.it>
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89 error('### Unknown actuator requested.');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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90 end
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91
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92 varargout{1} = a;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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93 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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94 %--------------------------------------------------------------------------
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Daniele Nicolodi <nicolodi@science.unitn.it>
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95 % Get DF controller for each frequency
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Daniele Nicolodi <nicolodi@science.unitn.it>
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96 function o = getSUSactuator(f)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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97
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 s = 1i*2*pi*f;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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99 H = 1./(1+s*0.01);
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100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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101 fsd = fsdata(f, H);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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102 o = ao(fsd);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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103 o.setXunits('Hz');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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104 o.setYunits('N/N');
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105 o.setName('A_{sus}');
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106 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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107 %--------------------------------------------------------------------------
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Daniele Nicolodi <nicolodi@science.unitn.it>
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108 % Get DF controller for each frequency
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Daniele Nicolodi <nicolodi@science.unitn.it>
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109 function o = getDFactuator(f)
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110 s = 1i*2*pi*f;
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111 H = 1./(1+s*0.1);
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112
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Daniele Nicolodi <nicolodi@science.unitn.it>
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113 fsd = fsdata(f, H);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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114 o = ao(fsd);
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115 o.setXunits('Hz');
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116 o.setYunits('N/N');
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117 o.setName('A_{df}');
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118 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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119 %% Default parameters
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120
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121 %--------------------------------------------------------------------------
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122 % Get default params
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123 function plo = getDefaultPlist(varargin)
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124
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Daniele Nicolodi <nicolodi@science.unitn.it>
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125 % List of available parameter sets
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126 sets = {'List', 'Range'};
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127
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Daniele Nicolodi <nicolodi@science.unitn.it>
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128 if nargin == 0
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129 plo = sets;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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130 return
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Daniele Nicolodi <nicolodi@science.unitn.it>
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131 end
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132
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133 set = varargin{1};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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134
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Daniele Nicolodi <nicolodi@science.unitn.it>
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135 switch set
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Daniele Nicolodi <nicolodi@science.unitn.it>
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136 case 'List'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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137 plo = plist('Actuator', 'DF', 'f', [1]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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138 case 'Range'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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139 plo = plist('Actuator', 'DF', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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140 'f1', 1e-6,...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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141 'f2', 5,...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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142 'nf', 1000,...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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143 'scale', 'log');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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144 otherwise
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Daniele Nicolodi <nicolodi@science.unitn.it>
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145 plo = plist();
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Daniele Nicolodi <nicolodi@science.unitn.it>
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146 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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147 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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148 %--------------------------------------------------------------------------
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Daniele Nicolodi <nicolodi@science.unitn.it>
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149 function ii = getInfo(varargin)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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150 if nargin == 1 && strcmpi(varargin{1}, 'None')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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151 sets = {};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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152 pl = [];
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Daniele Nicolodi <nicolodi@science.unitn.it>
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153 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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154 sets = {'Default'};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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155 pl = getDefaultPlist;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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156 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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157 % Build info object
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Daniele Nicolodi <nicolodi@science.unitn.it>
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158 ii = minfo(mfilename, 'CLASS', '', 'CATEGORY', '$Id: ltpda_mdc1_actuator.m,v 1.2 2008/08/08 13:35:23 anneke Exp $', sets, pl);
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159 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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160
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Daniele Nicolodi <nicolodi@science.unitn.it>
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161