Description

Template for simplified powertrain model.

This model uses a trivial speed-torque curve, has no torque converter, and no transmission box. As such, in automatic mode, it always uses the 1st forward gear ratio.

#include <ChSimplePowertrain.h>

Inheritance diagram for chrono::vehicle::ChSimplePowertrain:

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Collaboration diagram for chrono::vehicle::ChSimplePowertrain:

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Public Member Functions
	ChSimplePowertrain (const std::string &name)

virtual std::string	GetTemplateName () const override
	Get the name of the vehicle subsystem template.

virtual double	GetMotorSpeed () const override
	Return the current engine speed.

virtual double	GetMotorTorque () const override
	Return the current engine torque.

virtual double	GetTorqueConverterSlippage () const override
	Return the value of slippage in the torque converter. More...

virtual double	GetTorqueConverterInputTorque () const override
	Return the input torque to the torque converter. More...

virtual double	GetTorqueConverterOutputTorque () const override
	Return the output torque from the torque converter. More...

virtual double	GetTorqueConverterOutputSpeed () const override
	Return the torque converter output shaft speed. More...

virtual double	GetOutputTorque () const override
	Return the output torque from the powertrain. More...

Public Member Functions inherited from chrono::vehicle::ChPowertrain
int	GetCurrentTransmissionGear () const
	Return the current transmission gear. More...

void	SetDriveMode (DriveMode mode)
	Set the drive mode.

DriveMode	GetDriveMode () const
	Return the current drive mode.

void	SetTransmissionMode (TransmissionMode mode)
	Set the transmission mode (automatic or manual). More...

TransmissionMode	GetTransmissionMode () const
	Get the current transmission mode.

void	ShiftUp ()
	Shift up.

void	ShiftDown ()
	Shift down.

Public Member Functions inherited from chrono::vehicle::ChPart
	ChPart (const std::string &name)
	Construct a vehicle subsystem with the specified name. More...

const std::string &	GetName () const
	Get the name identifier for this subsystem.

void	SetName (const std::string &name)
	Set the name identifier for this subsystem.

void	SetVisualizationType (VisualizationType vis)
	Set the visualization mode for this subsystem.

virtual void	AddVisualizationAssets (VisualizationType vis)
	Add visualization assets to this subsystem, for the specified visualization mode.

virtual void	RemoveVisualizationAssets ()
	Remove all visualization assets from this subsystem.

virtual void	SetOutput (bool state)
	Enable/disable output for this subsystem.

bool	OutputEnabled () const
	Return the output state for this subsystem.

virtual void	ExportComponentList (rapidjson::Document &jsonDocument) const
	Export this subsystem's component list to the specified JSON object. More...

virtual void	Output (ChVehicleOutput &database) const
	Output data for this subsystem's component list to the specified database.

Protected Member Functions
virtual double	GetMaxTorque () const =0
	Return the maximum motor torque.

virtual double	GetMaxSpeed () const =0
	Return the maximum motor speed.

Protected Member Functions inherited from chrono::vehicle::ChPowertrain
	ChPowertrain (const std::string &name)

virtual void	Initialize (std::shared_ptr< ChChassis > chassis)
	Initialize this powertrain system by attaching it to an existing vehicle chassis. More...

virtual void	SetGearRatios (std::vector< double > &fwd, double &rev)=0
	Set the transmission gear ratios (one or more forward gear ratios and a single reverse gear ratio).

virtual void	OnGearShift ()
	Perform any action required on a gear shift (the new gear and gear ratio are available).

virtual void	OnNeutralShift ()
	Perform any action required on placing the transmission in neutral.

void	SetGear (int gear)
	Shift to the specified gear. More...

Protected Member Functions inherited from chrono::vehicle::ChPart
virtual void	Create (const rapidjson::Document &d)
	Create a vehicle subsystem from JSON data. More...

Additional Inherited Members
Public Types inherited from chrono::vehicle::ChPowertrain
enum	DriveMode { DriveMode::FORWARD, DriveMode::NEUTRAL, DriveMode::REVERSE }
	Driving modes. More...

enum	TransmissionMode { TransmissionMode::AUTOMATIC, TransmissionMode::MANUAL }
	Transmission mode. More...

Static Public Member Functions inherited from chrono::vehicle::ChPart
static ChMatrix33	TransformInertiaMatrix (const ChVector<> &moments, const ChVector<> &products, const ChMatrix33<> &vehicle_rot, const ChMatrix33<> &body_rot)
	Utility function for transforming inertia tensors between centroidal frames. More...

Static Protected Member Functions inherited from chrono::vehicle::ChPart
static void	ExportBodyList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChBody >> bodies)
	Export the list of bodies to the specified JSON document.

static void	ExportShaftList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaft >> shafts)
	Export the list of shafts to the specified JSON document.

static void	ExportJointList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLink >> joints)
	Export the list of joints to the specified JSON document.

static void	ExportCouplesList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaftsCouple >> couples)
	Export the list of shaft couples to the specified JSON document.

static void	ExportMarkerList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChMarker >> markers)
	Export the list of markers to the specified JSON document.

static void	ExportLinSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkTSDA >> springs)
	Export the list of translational springs to the specified JSON document.

static void	ExportRotSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkRotSpringCB >> springs)
	Export the list of rotational springs to the specified JSON document.

static void	ExportBodyLoadList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLoadBodyBody >> loads)
	Export the list of body-body loads to the specified JSON document.

Protected Attributes inherited from chrono::vehicle::ChPowertrain
TransmissionMode	m_transmission_mode
	transmission mode (automatic or manual)

DriveMode	m_drive_mode
	drive mode (neutral, forward, or reverse)

std::shared_ptr< ChDriveline >	m_driveline
	associated driveline subsystem

std::vector< double >	m_gear_ratios
	gear ratios (0: reverse, 1+: forward)

int	m_current_gear
	current transmission gear (0: reverse, 1+: forward)

double	m_current_gear_ratio
	current gear ratio (positive for forward, negative for reverse)

Protected Attributes inherited from chrono::vehicle::ChPart
std::string	m_name
	subsystem name

bool	m_output
	specifies whether or not output is generated for this subsystem

Member Function Documentation

◆ GetOutputTorque()

virtual double chrono::vehicle::ChSimplePowertrain::GetOutputTorque ( ) const

inlineoverridevirtual

Return the output torque from the powertrain.

This is the torque that is passed to a vehicle system, thus providing the interface between the powertrain and vehicle co-simulation modules.

Implements chrono::vehicle::ChPowertrain.

◆ GetTorqueConverterInputTorque()

virtual double chrono::vehicle::ChSimplePowertrain::GetTorqueConverterInputTorque ( ) const

inlineoverridevirtual

Return the input torque to the torque converter.

This simplified model does not have a torque converter.

Implements chrono::vehicle::ChPowertrain.

◆ GetTorqueConverterOutputSpeed()

virtual double chrono::vehicle::ChSimplePowertrain::GetTorqueConverterOutputSpeed ( ) const

inlineoverridevirtual

Return the torque converter output shaft speed.

This simplified model does not have a torque converter.

Implements chrono::vehicle::ChPowertrain.

◆ GetTorqueConverterOutputTorque()

virtual double chrono::vehicle::ChSimplePowertrain::GetTorqueConverterOutputTorque ( ) const

inlineoverridevirtual

Return the output torque from the torque converter.

This simplified model does not have a torque converter.

Implements chrono::vehicle::ChPowertrain.

◆ GetTorqueConverterSlippage()

virtual double chrono::vehicle::ChSimplePowertrain::GetTorqueConverterSlippage ( ) const

inlineoverridevirtual

Return the value of slippage in the torque converter.

This simplified model does not have a torque converter.

Implements chrono::vehicle::ChPowertrain.

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

/builds/uwsbel/chrono/src/chrono_vehicle/powertrain/ChSimplePowertrain.h
/builds/uwsbel/chrono/src/chrono_vehicle/powertrain/ChSimplePowertrain.cpp

Description

Public Member Functions

Protected Member Functions

Additional Inherited Members

Member Function Documentation

◆ GetOutputTorque()

◆ GetTorqueConverterInputTorque()

◆ GetTorqueConverterOutputSpeed()

◆ GetTorqueConverterOutputTorque()

◆ GetTorqueConverterSlippage()