diff options
| -rw-r--r-- | examples/lock_eit.py | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/examples/lock_eit.py b/examples/lock_eit.py index aadfe7f..4fcadfa 100644 --- a/examples/lock_eit.py +++ b/examples/lock_eit.py @@ -136,10 +136,10 @@ async def main(): rfgen = AgilentE8257D(instr_rfgen) instr_lockin=rm.open_resource('TCPIP::192.168.0.51::INSTR') lockin = SRS_SR865A(instr_lockin) - print('------ Header start -------------') - print(str.join('\n', scope.getHeader())) - print(str.join('\n', rfgen.getHeader())) - print('------ Header ends -------------') + # print('------ Header start -------------') + # print(str.join('\n', scope.getHeader())) + # print(str.join('\n', rfgen.getHeader())) + # print('------ Header ends -------------') # ch1 = scope.getTrace(1) # traces = scope.getAllTraces() # pid = PID(100,400,0, sign=-1); # goom for dm=-2 resonance @@ -165,7 +165,7 @@ async def main(): rfPstop = 10 rfPowerList = np.linspace(rfPstart, rfPstop, 11) rfPower0 = rfPstart - rfPower0 = 3.4 + rfPower0 = 9 ai['rfgen'].setRFAmplitude(rfPower0) d=getConfig(apparatus) @@ -178,11 +178,47 @@ async def main(): update_webpage(apparatus=apparatus) apparatus.gui_log.setTraces( initLog() ) ai['pid'].reset() + ai['pid'].setEnable(True) apparatus.runStatus = True res = await asyncio.gather( feedbackLoop(apparatus, nsteps=200) ) + async def calibratingLockin(): + apparatus.state = f'Calibrating lockin response at RF power {rfPout} dBm' + logger.info(apparatus.state) + update_webpage(apparatus=apparatus) + ai['pid'].setEnable(True) + ai['pid'].reset() + apparatus.gui_log.setTraces( initLog() ) + res = await asyncio.gather( + feedbackLoop(apparatus, nsteps=20) + ) + + fr0 = ai['rfgen'].getFreqFixed() + df = 10 + ai['pid'].setEnable(False) + ai['pid'].reset() + ai['rfgen'].setFreqFixed(fr0+df) + res = await asyncio.gather( + feedbackLoop(apparatus, nsteps=20) + ) + + log = apparatus.gui_log.traces + trE=log.getTrace('error') + + e1 = np.mean(trE.y.values[0:20]) + e2 = np.mean(trE.y.values[20:]) + dE = e2-e1 + slope = dE/df + + logger.info(f'dE = {dE}') + logger.info(f'slope = {slope}') + + return slope + + lockin_slope= await calibratingLockin() + logger.info('========= Long term lock ===========') apparatus.gui_log.setTraces( initLog() ) apparatus.runStatus = True |