ClosedLoopFuelCellImpl Class Reference

#include <closed_loop_fuel_cell.h>

Inheritance diagram for ClosedLoopFuelCellImpl:

Collaboration diagram for ClosedLoopFuelCellImpl:

Public Member Functions
void	configure (const stft_cell_cfg_s *configuration, SensorType lambdaSensor)
float	getLambdaError () const override
Public Member Functions inherited from ClosedLoopFuelCellBase
void	update (float lambdaDeadband, bool ignoreErrorMagnitude)
float	getAdjustment () const

Protected Member Functions
float	getMaxAdjustment () const override
float	getMinAdjustment () const override
float	getIntegratorGain () const override

Private Attributes
const stft_cell_cfg_s *	m_config = nullptr
SensorType	m_lambdaSensor = SensorType::Invalid

Detailed Description

Definition at line 29 of file closed_loop_fuel_cell.h.

Member Function Documentation

configure()

void ClosedLoopFuelCellImpl::configure ( const stft_cell_cfg_s *  configuration, SensorType  lambdaSensor  )

inline

Definition at line 31 of file closed_loop_fuel_cell.h.

                                                                                  {
        m_config = configuration;
        m_lambdaSensor = lambdaSensor;
    }

getIntegratorGain()

float ClosedLoopFuelCellImpl::getIntegratorGain ( ) const

overrideprotectedvirtual

Implements ClosedLoopFuelCellBase.

Definition at line 75 of file closed_loop_fuel_cell.cpp.

                                                      {
    if (!m_config) {
        // If no config, disallow adjustment.
        return 0.0f;
    }
 
    // Clamp to reasonable limits - 100ms to 100s
    float timeConstant = clampF(0.1f, m_config->timeConstant, 100);
 
    return 1 / timeConstant;
}

getLambdaError()

float ClosedLoopFuelCellImpl::getLambdaError ( ) const

overridevirtual

Implements ClosedLoopFuelCellBase.

Definition at line 40 of file closed_loop_fuel_cell.cpp.

                                                   {
    auto lambda = Sensor::get(m_lambdaSensor);
 
    // Failed sensor -> no error
    if (!lambda) {
        return 0;
    }
 
    return lambda.Value - engine->fuelComputer.targetLambda;
}

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getMaxAdjustment()

float ClosedLoopFuelCellImpl::getMaxAdjustment ( ) const

overrideprotectedvirtual

Implements ClosedLoopFuelCellBase.

Definition at line 53 of file closed_loop_fuel_cell.cpp.

                                                     {
    if (!m_config) {
        // If no config, disallow adjustment.
        return 0;
    }
 
    float raw = 0.01 * m_config->maxAdd;
    // Don't allow maximum less than 0, or more than maximum adjustment
    return clampF(0, raw, MAX_ADJ);
}

getMinAdjustment()

float ClosedLoopFuelCellImpl::getMinAdjustment ( ) const

overrideprotectedvirtual

Implements ClosedLoopFuelCellBase.

Definition at line 64 of file closed_loop_fuel_cell.cpp.

                                                     {
    if (!m_config) {
        // If no config, disallow adjustment.
        return 0;
    }
 
    float raw = -0.01f * m_config->maxRemove;
    // Don't allow minimum more than 0, or more than maximum adjustment
    return clampF(-MAX_ADJ, raw, 0);
}

Field Documentation

m_config

const stft_cell_cfg_s* ClosedLoopFuelCellImpl::m_config = nullptr

private

Definition at line 38 of file closed_loop_fuel_cell.h.

Referenced by configure(), getIntegratorGain(), getMaxAdjustment(), and getMinAdjustment().

m_lambdaSensor

SensorType ClosedLoopFuelCellImpl::m_lambdaSensor = SensorType::Invalid

private

Definition at line 39 of file closed_loop_fuel_cell.h.

Referenced by configure(), and getLambdaError().

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The documentation for this class was generated from the following files:

• controllers/math/closed_loop_fuel_cell.h
• controllers/math/closed_loop_fuel_cell.cpp