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Noisy power supplies #21

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Noisy power supplies #21

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1da9e6b
enabled noise on Quadruple_Power_Supply
Jul 16, 2025
799a462
added noise to Quadrupole and Corrector power supply readbacks (in Amps)
Jul 17, 2025
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10 changes: 6 additions & 4 deletions virtaccl/site/BTF/orbit_model/virtual_devices_BTF.py
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Original file line number Diff line number Diff line change
Expand Up @@ -317,14 +317,15 @@ def update_readbacks(self):
class BTF_Quadrupole_Power_Supply(Device):
current_set_pv = 'I_Set' # [Amps]
current_readback_pv = 'I' # [Amps]
current_noise = 1e-6 # [Amps]

def __init__(self, name: str, init_current=None):
super().__init__(name)

field_noise = AbsNoise(noise=1e-6)
current_noise = AbsNoise(noise=BTF_Quadrupole_Power_Supply.current_noise)

self.register_setting(BTF_Quadrupole_Power_Supply.current_set_pv, default=init_current)
self.register_readback(BTF_Quadrupole_Power_Supply.current_readback_pv, BTF_Quadrupole_Power_Supply.current_set_pv)
self.register_readback(BTF_Quadrupole_Power_Supply.current_readback_pv, BTF_Quadrupole_Power_Supply.current_set_pv,noise=current_noise)

class BTF_Corrector(Device):
# EPICS PV names
Expand Down Expand Up @@ -370,12 +371,13 @@ def update_readbacks(self):
class BTF_Corrector_Power_Supply(Device):
current_set_pv = 'I_Set' # [Amps]
current_readback_pv = 'I' # [Amps]
current_noise = 1e-6 # [A]

def __init__(self, name: str, init_current=None):
super().__init__(name)

field_noise = AbsNoise(noise=1e-6)
current_noise = AbsNoise(noise=BTF_Corrector_Power_Supply.current_noise)

self.register_setting(BTF_Corrector_Power_Supply.current_set_pv, default=init_current)
self.register_readback(BTF_Corrector_Power_Supply.current_readback_pv, BTF_Corrector_Power_Supply.current_set_pv)
self.register_readback(BTF_Corrector_Power_Supply.current_readback_pv, BTF_Corrector_Power_Supply.current_set_pv, noise=current_noise)