de_twin.holder.SimHeatingHolder#

class de_twin.holder.SimHeatingHolder(reason='Simulated MEMS heating holder (de_twin).', *, clock=None, bias=False, tau_s=0.005, overshoot=0.0, ambient_c=25.0, max_c=1300.0, r0_ohm=500.0, alpha_per_c=0.003, conductance_w_per_k=3e-05, emissivity_area_m2=3e-07, sample_r0_ohm=1000000.0, sample_decay_c=200.0, noise_c=0.01, seed=0)[source]#

Bases: object

Simulated MEMS heating (and optionally biasing) holder.

Parameters:

reason (str)
bias (bool)
tau_s (float)
overshoot (float)
ambient_c (float)
max_c (float)
r0_ohm (float)
alpha_per_c (float)
conductance_w_per_k (float)
emissivity_area_m2 (float)
sample_r0_ohm (float)
sample_decay_c (float)
noise_c (float)
seed (int)

__init__(reason='Simulated MEMS heating holder (de_twin).', *, clock=None, bias=False, tau_s=0.005, overshoot=0.0, ambient_c=25.0, max_c=1300.0, r0_ohm=500.0, alpha_per_c=0.003, conductance_w_per_k=3e-05, emissivity_area_m2=3e-07, sample_r0_ohm=1000000.0, sample_decay_c=200.0, noise_c=0.01, seed=0)[source]#

Parameters:

reason (str)
bias (bool)
tau_s (float)
overshoot (float)
ambient_c (float)
max_c (float)
r0_ohm (float)
alpha_per_c (float)
conductance_w_per_k (float)
emissivity_area_m2 (float)
sample_r0_ohm (float)
sample_decay_c (float)
noise_c (float)
seed (int)

Methods

`__init__`([reason, clock, bias, tau_s, ...])
`close`()
`describe`()
`flag`(text)
`heater_power`(temp_c[, dtdt])
`heater_resistance`(temp_c)
`ramp`(value, *[, rate_c_per_s, seconds, channel])
`read`()
`sample_resistance`(temp_c)
`set`(value, *[, channel])
`state`([t])	HolderState at clock time `t` (default now).
`stop`()	Hold where the setpoint has got to (not "go cold").
`wait_for_control`([timeout_s])

Attributes

`busy`
`flags`
`real`

real = False#

heater_resistance(temp_c)[source]#

Parameters:: temp_c (float)
Return type:: float

heater_power(temp_c, dtdt=0.0)[source]#

Parameters:

temp_c (float)
dtdt (float)

Return type:

float

sample_resistance(temp_c)[source]#

Parameters:: temp_c (float)
Return type:: float

property busy: bool#

read()[source]#

Return type:: Reading

set(value, *, channel='temperature')[source]#

Parameters:

value (float)
channel (str)

Return type:

None

ramp(value, *, rate_c_per_s=None, seconds=None, channel='temperature')[source]#

Parameters:

value (float)
rate_c_per_s (float | None)
seconds (float | None)
channel (str)

Return type:

None

stop()[source]#

Hold where the setpoint has got to (not “go cold”).

Return type:: None

flag(text)[source]#

Parameters:: text (str)
Return type:: None

property flags: list[tuple[float, str]]#

describe()[source]#

Return type:: str

wait_for_control(timeout_s=30.0)[source]#

Parameters:: timeout_s (float)
Return type:: bool

state(t=None)[source]#

HolderState at clock time t (default now). t in the past reads the current state (the model does not rewind).

Parameters:: t (float | None)
Return type:: HolderState

close()[source]#

Return type:: None