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Message ID: 5510     Entry time: Thu Sep 22 00:00:10 2011
Author: Paul 
Type: Update 
Category: SUS 
Subject: ITMY and SRM actuator response functions - complex fitting results 

Here are the results of the complex fitting. The residuals are bigger this time, but still probably small enough to be ok(?), with the possible exception of ITMY PITCH (due again I think to the data points straddling the resonance).

ITMY YAW actuator response complex fit

-- Fit completed after 282 iterations--

 Started with: Gain = 3e-05,
 Q factor = 5,
 Pole frequency = 0.6776,
 Fit results:  Gain = 1.14673e-06,
 Q factor = 12.9471,
 Pole frequency = 0.766531
 Residual (normalised against the sum of input datapoints) = 0.0688174
 
ITMY PITCH actuator response complex fit
-- Fit completed after 191 iterations--
 Started with: Gain = 3e-05,
 Q factor = 5,
 Pole frequency = 0.6776,
 Fit results:  Gain = 1.25105e-06,
 Q factor = 3.88981,
 Pole frequency = 0.706744
 Residual (normalised against the sum of input datapoints) = 0.144165
 
SRM YAW actuator response complex fit
-- Fit completed after 246 iterations--
 Started with: Gain = 3e-05,
 Q factor = 5,
 Pole frequency = 0.6776,
 Fit results:  Gain = 3.34137e-06,
 Q factor = 9.6875,
 Pole frequency = 0.854913
 Residual (normalised against the sum of input datapoints) = 0.0153646
 
SRM PITCH actuator response complex fit
-- Fit completed after 266 iterations--
 Started with: Gain = 3e-05,
 Q factor = 5,
 Pole frequency = 0.6776,
 Fit results:  Gain = 7.97529e-06,
 Q factor = 7.63888,
 Pole frequency = 0.568227
 Residual (normalised against the sum of input datapoints) = 0.0319653
Attachment 1: ITMY_PITCH_actuator_response_complex_FIT.png  8 kB  | Hide | Hide all
ITMY_PITCH_actuator_response_complex_FIT.png
Attachment 2: ITMY_YAW_actuator_response_complex_FIT.png  8 kB  | Hide | Hide all
ITMY_YAW_actuator_response_complex_FIT.png
Attachment 3: SRM_PITCH_actuator_response_complex_FIT.png  8 kB  | Hide | Hide all
SRM_PITCH_actuator_response_complex_FIT.png
Attachment 4: SRM_YAW_actuator_response_complex_FIT.png  8 kB  | Hide | Hide all
SRM_YAW_actuator_response_complex_FIT.png
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