## Modelica_LinearSystems2.Examples.Utilities

### Information

Extends from Modelica.Icons.Package (Icon for standard packages).

### Package Content

Name | Description
--- | ---
DoublePendulum | double pendulum system

## Modelica_LinearSystems2.Examples.Utilities.DoublePendulum

double pendulum system

### Information

Model of a simple double pendulum system.
The physical Model is used in Modelica_LinearSystems2.Examples.StateSpace.doublePendulumController where it is being linearized an used as a base for linear controller design. The results are used to control the crane system in Modelica_LinearSystems2.Controller.Examples.DoublePendulum.mo

### Parameters

Name | Description
--- | ---
m_trolley | [kg]
m_load | [kg]
length | [m]
phi1_start | [rad]
phi2_start | [rad]
w1_start | [rad/s]
w2_start | [rad/s]

### Connectors

Name | Description
--- | ---
u |
s |
v |
phi |
w |
phi1 |
w1 |