flight_mech.motor module#

Module to define motor models.

class flight_mech.motor.ElectricalMotor(motor_data_name: str | None = None, motor_database_folder: str = '/home/runner/work/flight-mech/flight-mech/flight_mech/motor_database', motor_parameters_dict: dict | None = None)[source]#

Bases: object

Class to define an electrical motor controlled by tension.

Parameters:

  • I0 (float) – No-load current in A.

  • internal_resistance (float) – Internal resistance of the motor in Ohm.

  • external_resistance (float) – External resistance of the batteries in Ohm.

  • K (float) – Coefficient between tension and rotation speed in s-1.V-1.

property I#
I_0: float#
I_max: float#
Kv: float#
property U#
U_max: float#
compute_I_at_max_efficiency()[source]#

Compute the current that gives the maximum efficiency.

Returns:

Current of maximum efficiency

Return type:

float

property efficiency#
property electromotive_force#
external_resistance: float#
internal_resistance: float#
load_motor_data(motor_data_name: str, motor_data_folder: str = '/home/runner/work/flight-mech/flight-mech/flight_mech/motor_database')[source]#

Load the data from a motor stored in the given database folder.

Parameters:

  • motor_data_name (str) – Name of the motor.

  • motor_data_folder (str, optional) – Path to the database folder, by default default_motor_database

mass: float | None#
property max_efficiency#
plot_graph(variable: Literal['efficiency', 'rotation_speed', 'power', 'torque'], nb_points=100, **kwargs)[source]#

Plot the graph of evolution of the given variable with the current in the motor.

Parameters:

variable (Literal["efficiency", "rotation_speed", "power", "torque"]) – Name of the variable to plot.

property power#
property rotation_speed#
set_at_max_efficiency()[source]#

Set the motor in the maximum efficiency conditions.

set_motor_parameters(I_0: float, I_max: float, internal_resistance: float, external_resistance: float, Kv: float, U_max: float, mass: float | None = None)[source]#

Set the parameters of the motor.

Parameters:

  • I0 (float) – No-load current in A.

  • internal_resistance (float) – Internal resistance of the motor in Ohm.

  • external_resistance (float) – External resistance of the batteries in Ohm.

  • Kv (float) – Coefficient between tension and rotation speed in s-1.V-1.

  • U_max (float) – Max tension of the motor in V.

  • mass (float | None, optional) – Mass of the motor in kg.

property torque#