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Slight change to the way we do PID in SCT files

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This commit is contained in:
Douglas Clowes
2014-09-30 17:24:58 +10:00
parent 5bedffc9c3
commit c6abb1fabd
3 changed files with 103 additions and 19 deletions
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4
site_ansto/instrument/util/gen_sct.py
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@@ -1217,14 +1217,14 @@ def put_pid_function(MyDriver, func):
txt += [' set p_value [expr {[sct pid_pvalue] * [sct pid_error]}]']
txt += [' set d_value [expr {[sct pid_dvalue] * (${pv} - [sct oldval])}]']
txt += [' sct pid_deriv [sct pid_error]']
txt += [' sct pid_integ [expr {[sct pid_integ] + [sct pid_error]}]']
txt += [' sct pid_integ [expr {[sct pid_integ] + [sct pid_error] * [sct pid_ivalue]}]']
txt += [' if { [sct pid_integ] > [sct pid_imax] } {']
txt += [' sct pid_integ [sct pid_imax]']
txt += [' }']
txt += [' if { [sct pid_integ] < -[sct pid_imax] } {']
txt += [' sct pid_integ -[sct pid_imax]']
txt += [' }']
txt += [' set i_value [expr {[sct pid_ivalue] * [sct pid_integ]}]']
txt += [' set i_value [sct pid_integ]']
txt += [' set pid [expr {${p_value} + ${i_value} + ${d_value}}]']
if func in MyDriver['Funcs'] and len(MyDriver['Funcs'][func]['text']) > 0:
txt += ['# %s hook code starts' % func]