recordTrailerData
Parameters of the bike trailer
Extends from Modelica.Icons.Record (Icon for records).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Mass | m | 50 | Total mass of trailer incl. load |
| Modelica.Units.SI.Inertia | J | 0.2 | Inertia of trailer wheel(s) |
| Modelica.Units.SI.Length | D | 0.4 | Diameter of trailer wheel(s) |
| Modelica.Units.SI.Area | A | 1 | Cross section of trailer |
| Resistances › Air drag | |||
| Real | cw | 0.5 | Drag resistance coefficient |
| Modelica.Units.SI.Density | rho | 1.18 | Density of air at 25 degC |
| Resistances › Rolling | |||
| Real | cr | 0.05 | Constant rolling resistance coefficient |
| Drive | |||
| Modelica.Units.SI.Time | Tsub | 1E-3 | Substitute time constant of trailer drives(s) |
| Modelica.Units.SI.Torque | tauMax | 30 | Max. torque of trailer drives(s) |
| Modelica.Units.SI.Torque | tauMin | -30 | Min. torque of trailer drives(s) |
| Drive › Controller | |||
| Real | kp | D/2 | Proportional gain of controller |
| Modelica.Units.SI.Time | Ti | Tsub/2*(1 + sqrt((1 - k)/(1 + k))) | Integral time constant of controller |
| Real | k | 8/17 | Inverse of Nd of controller |
| Modelica.Units.SI.Time | Td | Tsub/((1 + k) + sqrt(1 - k^2)) | Derivative time constant of controller |