Controller

struct ControllerState

Public Members

Pressure pressure_setpoint

Volume patient_volume

VolumetricFlow net_flow

VolumetricFlow flow_correction

uint64_t breath_id = {0}

class Controller

Public Functions

Controller() = default

std::pair<ActuatorsState, ControllerState> Run(Time now, const VentParams &params, const SensorReadings &sensor_readings)

Public Static Functions

static Duration GetLoopPeriod()

Private Types

using DbgFloat = Debug::Variable::Float

using DbgUint32 = Debug::Variable::UInt32

using DbgAccess = Debug::Variable::Access

Private Members

uint32_t breath_id_ = {0}

VentilationFsm fsm_

PID blower_valve_pid_{"blower_valve_", " for blower valve PID", 0.04f, 10.0f, 0.0f, PID::TermApplication::OnError, PID::TermApplication::OnMeasurement, 0.f, 1.0f}

PID psol_pid_{"psol", " for O2 psol PID", 0.04f, 20.0f, 0.0f, PID::TermApplication::OnError, PID::TermApplication::OnMeasurement, 0.f, 1.0f}

PID fio2_pid_{"fio2_", " for FIO2 PID", 0.001f, 0.1f, 0.0f, PID::TermApplication::OnError, PID::TermApplication::OnMeasurement, 0.f, 1.0f}

std::optional<FlowIntegrator> flow_integrator_ = FlowIntegrator()

std::optional<FlowIntegrator> uncorrected_flow_integrator_ = FlowIntegrator()

bool ventilator_was_on_ = {false}

DbgUint32 dbg_loop_period_{"loop_period", DbgAccess::ReadOnly, static_cast<uint32_t>(GetLoopPeriod().microseconds()), "\xB5s", "Loop period"}

DbgFloat dbg_pc_setpoint_{"pc_setpoint", DbgAccess::ReadOnly, 0.0f, "cmH2O", "Pressure control set-point"}

DbgFloat dbg_fio2_setpoint_{"fio2_setpoint", DbgAccess::ReadOnly, 0.21f, "ratio", "FiO2 setpoint [0.0, 1.0] as commanded by GUI"}

DbgFloat dbg_net_flow_ = {"net_flow", DbgAccess::ReadOnly, 0.0f, "mL/s", "Net flow rate"}

DbgFloat dbg_net_flow_uncorrected_{"net_flow_uncorrected", DbgAccess::ReadOnly, 0.0f, "mL/s", "Net flow rate w/o correction"}

DbgFloat dbg_flow_correction_{"flow_correction", DbgAccess::ReadOnly, 0.0f, "mL/s", "Correction to flow"}

DbgFloat dbg_volume_ = {"volume", DbgAccess::ReadOnly, 0.0f, "mL", "Patient volume"}

DbgFloat dbg_volume_uncorrected_{"uncorrected_volume", DbgAccess::ReadOnly, 0.0f, "mL", "Patient volume w/o correction"}

DbgUint32 dbg_breath_id_ = {"breath_id", DbgAccess::ReadOnly, 0, "", "ID of the current breath"}