WOLFRAM SYSTEM MODELER

ThreeSpringReturn

Joystick re-centering mechanism with three tension springs

Diagram

Wolfram Language

In[1]:=
SystemModel["EducationExamples.MechanicalEngineering.Joystick.Components.ThreeSpringReturn"]
Out[1]:=

Information

This component models a joystick re-centering mechanism based on a symmetrical arrangement of three tension springs.

Parameters (4)

c

Value:

Type: TranslationalSpringConstant (N/m)

Description: Spring constant

d

Value:

Type: Real (N/(m/s))

Description: Damping constant

spring_height

Value:

Type: Length (m)

Description: Height of tension springs fixed connections

s_unstretched

Value:

Type: Length (m)

Description: Unstretched length of each tension spring

Connectors (2)

frame_b

Type: Frame_b

Description: Coordinate system fixed to the component with one cut-force and cut-torque (non-filled rectangular icon)

frame_a

Type: Frame_a

Description: Coordinate system fixed to the component with one cut-force and cut-torque (filled rectangular icon)

Components (6)

tensionSpring1

Type: TensionSpringDamper

Description: One-directional tension spring with damping

tensionSpring2

Type: TensionSpringDamper

Description: One-directional tension spring with damping

tensionSpring3

Type: TensionSpringDamper

Description: One-directional tension spring with damping

fixedTranslation1

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

fixedTranslation2

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

fixedTranslation3

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

Used in Examples (2)

JoystickForceResponse

EducationExamples.MechanicalEngineering.Joystick

Model simulating response of three joystick designs to circularly varying test force

JoystickReturnTrajectory

EducationExamples.MechanicalEngineering.Joystick

Model simulating response of three joystick designs to circularly varying test force