SUAVE.Components.Energy.Networks.Solar.Solar Class Reference

Inheritance diagram for SUAVE.Components.Energy.Networks.Solar.Solar:

Public Member Functions
def	__defaults__ (self)
def	evaluate_thrust (self, state)
def	unpack_unknowns (self, segment)
def	residuals (self, segment)
def	add_unknowns_and_residuals_to_segment (self, segment, initial_power_coefficient=0.005)

Public Attributes
	solar_flux
	solar_panel
	motors
	propellers
	esc
	avionics
	payload
	solar_logic
	battery
	engine_length
	number_of_engines
	tag
	use_surrogate
	generative_design_minimum
	identical_propellers
Public Attributes inherited from SUAVE.Components.Energy.Networks.Network.Network
	tag
	generative_design_max_per_vehicle
	non_dimensional_origin
	number_of_engines
	engine_length
	wing_mounted
	areas
Public Attributes inherited from SUAVE.Components.Physical_Component.Physical_Component
	tag
	mass_properties
	origin
	symmetric
Public Attributes inherited from SUAVE.Components.Component.Component
	tag
	origin
	generative_design_max_per_vehicle
	generative_design_characteristics
	generative_design_special_parent

Detailed Description

A solar powered system with batteries and maximum power point tracking.
    
    This network adds an extra unknowns to the mission, the torque matching between motor and propeller.

    Assumptions:
    None
    
    Source:
    None

Member Function Documentation

__defaults__()

def SUAVE.Components.Energy.Networks.Solar.Solar.__defaults__

(

self

)

This sets the default values for the network to function.
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    None
    
    Outputs:
    None
    
    Properties Used:
    N/A

Reimplemented from SUAVE.Components.Energy.Networks.Network.Network.

add_unknowns_and_residuals_to_segment()

def SUAVE.Components.Energy.Networks.Solar.Solar.add_unknowns_and_residuals_to_segment	(		self,
			segment,
			initial_power_coefficient = 0.005
	)

This function sets up the information that the mission needs to run a mission segment using this network
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    segment
    initial_voltage                   [v]
    initial_power_coefficient         [float]s
    
    Outputs:
    segment.state.unknowns.propeller_power_coefficient
    segment.state.conditions.propulsion.propeller_motor_torque
    segment.state.conditions.propulsion.propeller_torque   
    
    Properties Used:
    N/A

evaluate_thrust()

def SUAVE.Components.Energy.Networks.Solar.Solar.evaluate_thrust	(		self,
			state
	)

Calculate thrust given the current state of the vehicle
    
    Assumptions:
    Caps the throttle at 110% and linearly interpolates thrust off that
    
    Source:
    N/A
    
    Inputs:
    state [state()]
    
    Outputs:
    results.thrust_force_vector [newtons]
    results.vehicle_mass_rate   [kg/s]
    conditions.propulsion:
solar_flux           [watts/m^2] 
rpm                  [radians/sec]
current              [amps]
battery_power_draw   [watts]
battery_energy       [joules]
motor_torque         [N-M]
propeller_torque     [N-M]
    
    Properties Used:
    Defaulted values

residuals()

def SUAVE.Components.Energy.Networks.Solar.Solar.residuals	(		self,
			segment
	)

This packs the residuals to be send to the mission solver.
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    state.conditions.propulsion:
motor_torque                          [N-m]
propeller_torque                      [N-m]
    
    Outputs:
    None
    
    Properties Used:
    None

unpack_unknowns()

def SUAVE.Components.Energy.Networks.Solar.Solar.unpack_unknowns	(		self,
			segment
	)

This is an extra set of unknowns which are unpacked from the mission solver and send to the network.
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    state.unknowns.propeller_power_coefficient [None]
    
    Outputs:
    state.conditions.propulsion.propeller_power_coefficient [None]
    
    Properties Used:
    N/A

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

• /Users/emiliobotero/Dropbox/SUAVE/SUAVE/trunk/SUAVE/Components/Energy/Networks/Solar.py