Description

Shafts-based powertrain model for the HMMWV vehicle.

#include <HMMWV_AutomaticTransmissionShafts.h>

Inheritance diagram for chrono::vehicle::hmmwv::HMMWV_AutomaticTransmissionShafts:

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Collaboration diagram for chrono::vehicle::hmmwv::HMMWV_AutomaticTransmissionShafts:

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

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

virtual double	GetTransmissionBlockInertia () const override
	Set inertia of the transmission block.

virtual double	GetIngearShaftInertia () const override
	Inertias of the component ChShaft objects.

virtual double	GetMotorshaftInertia () const override
	Inertia of the motorshaft (connection to engine).

virtual double	GetDriveshaftInertia () const override
	Inertia of the driveshaft (connection to driveline).

virtual double	GetUpshiftRPM () const override
	Upshift and downshift rotation speeds (in RPM)

virtual double	GetDownshiftRPM () const override

virtual void	SetTorqueConverterCapacityFactorMap (std::shared_ptr< ChFunction_Recorder > &map) override
	Set the capacity factor map. More...

virtual void	SetTorqeConverterTorqueRatioMap (std::shared_ptr< ChFunction_Recorder > &map) override
	Set the torque ratio map. More...

Public Member Functions inherited from chrono::vehicle::ChAutomaticTransmissionShafts
	ChAutomaticTransmissionShafts (const std::string &name)
	Construct a shafts-based automatic transmission model.

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

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

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

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

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

void	SetGearShiftLatency (double ml)
	Use this to define the gear shift latency, in seconds.

double	GetGearShiftLatency (double ml)
	Use this to get the gear shift latency, in seconds.

virtual double	GetOutputDriveshaftTorque () const override
	Return the transmission output torque on the driveshaft. More...

virtual double	GetOutputMotorshaftSpeed () const override
	Return the transmission output speed of the motorshaft. More...

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

void	SetDriveMode (DriveMode mode)
	Set the drive mode.

DriveMode	GetDriveMode () const
	Return the current drive mode.

void	SetMode (Mode mode)
	Set the transmission mode (automatic or manual). More...

Mode	GetMode () const
	Get the current transmission mode.

void	ShiftUp ()
	Shift up.

void	ShiftDown ()
	Shift down.

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

Public Member Functions inherited from chrono::vehicle::ChPart
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.

bool	IsInitialized () const
	Return flag indicating whether or not the part is fully constructed.

double	GetMass () const
	Get the subsystem mass. More...

const ChFrame &	GetCOMFrame () const
	Get the current subsystem COM frame (relative to and expressed in the subsystem's reference frame). More...

const ChMatrix33 &	GetInertia () const
	Get the current subsystem inertia (relative to the subsystem COM frame). More...

const ChFrame &	GetTransform () const
	Get the current subsystem position relative to the global frame. More...

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.

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

enum	Mode { Mode::AUTOMATIC, Mode::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...

Protected Member Functions inherited from chrono::vehicle::ChTransmission
	ChTransmission (const std::string &name="")

virtual void	InitializeInertiaProperties () override
	Initialize subsystem inertia properties. More...

virtual void	UpdateInertiaProperties () override
	Update subsystem inertia properties. More...

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

void	AddMass (double &mass)
	Add this subsystem's mass. More...

void	AddInertiaProperties (ChVector<> &com, ChMatrix33<> &inertia)
	Add this subsystem's inertia properties. More...

virtual void	Create (const rapidjson::Document &d)
	Create a vehicle subsystem from JSON data. More...

void	ExportBodyList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChBody >> bodies) const
	Export the list of bodies to the specified JSON document.

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

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

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

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

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

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

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

Static Protected Member Functions inherited from chrono::vehicle::ChPart
static void	RemoveVisualizationAssets (std::shared_ptr< ChPhysicsItem > item)
	Erase all visual shapes from the visual model associated with the specified physics item (if any).

static void	RemoveVisualizationAsset (std::shared_ptr< ChPhysicsItem > item, std::shared_ptr< ChVisualShape > shape)
	Erase the given shape from the visual model associated with the specified physics item (if any).

Protected Attributes inherited from chrono::vehicle::ChTransmission
Mode	m_mode
	transmission mode (automatic or manual)

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

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_initialized
	specifies whether ot not the part is fully constructed

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

std::shared_ptr< ChPart >	m_parent
	parent subsystem (empty if parent is vehicle)

double	m_mass
	subsystem mass

ChMatrix33	m_inertia
	inertia tensor (relative to subsystem COM)

ChFrame	m_com
	COM frame (relative to subsystem reference frame)

ChFrame	m_xform
	subsystem frame expressed in the global frame

Member Function Documentation

◆ SetTorqeConverterTorqueRatioMap()

void chrono::vehicle::hmmwv::HMMWV_AutomaticTransmissionShafts::SetTorqeConverterTorqueRatioMap ( std::shared_ptr< ChFunction_Recorder > & map )

overridevirtual

Set the torque ratio map.

Specify torque ratio as a function of the speed ratio.

Implements chrono::vehicle::ChAutomaticTransmissionShafts.

◆ SetTorqueConverterCapacityFactorMap()

void chrono::vehicle::hmmwv::HMMWV_AutomaticTransmissionShafts::SetTorqueConverterCapacityFactorMap ( std::shared_ptr< ChFunction_Recorder > & map )

overridevirtual

Set the capacity factor map.

Specify the capacity factor as a function of the speed ratio.

Implements chrono::vehicle::ChAutomaticTransmissionShafts.

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

/builds/uwsbel/chrono/src/chrono_models/vehicle/hmmwv/powertrain/HMMWV_AutomaticTransmissionShafts.h
/builds/uwsbel/chrono/src/chrono_models/vehicle/hmmwv/powertrain/HMMWV_AutomaticTransmissionShafts.cpp

Description

Public Member Functions

Additional Inherited Members

Member Function Documentation

◆ SetTorqeConverterTorqueRatioMap()

◆ SetTorqueConverterCapacityFactorMap()