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Inertia

Purpose

Model a rotating body with inertia

Library

Mechanical / Rotational / Components

Description

pict

This component models a rotating body with inertia and two rigidly connected flanges. The angular speed is determined by the equation

d     1
--ω = --⋅(τ1 + τ2)
dt    J

where τ1   and τ2   are the torques acting at the two flanges towards the body.

Parameters

Moment of inertia
The moment of inertia J  , in kg⋅m2-
rad2   .
Initial speed
The initial angular speed ω0  , in rads-  .
Initial angle
The initial angle θ0  , in radians. May be specified in order to provide proper initial conditions if absolute angles are measured anywhere in the system. Otherwise, this parameter can be left blank.

Probe Signals

Speed
The angular speed of the body.
Angle
The absolute angle of the body (wrapped between - π   and pi  ).