Torque Motor - MapleSim Help
For the best experience, we recommend viewing online help using Google Chrome or Mozilla Firefox.

Online Help

All Products    Maple    MapleSim


Torque Motor

Torque Motor component for R2R systems

 

Description

Connections

Parameters

Description

The Torque Motor component is a simplified motor model and works as a torque driver. It can drive rollers (Roller, Nip Roller, etc.) or winders (Unwind Drum or Wind Drum) with a defined torque. It is comparable with an ideal torque-controlled motor.

The following is a diagram of the motor components.

Usage

The Torque Motor component needs a defined torque on the input port τ coming from a reference signal or an external control loop (e.g. a speed controller). Optionally it is possible to define a rigid drive line between motor and machine (roller) side. It considers an inertia for the motor as well as for a gear including a gear ratio. Motor losses can be determined as speed depending losses. The component has a speed signal output, w_meas, the rotational speed of the geared output shaft.

Visualization

The Torque Motor component can be visualized in the 3-D Workspace and 3-D Playback Window to show the placement in the R2R web line and present the user-defined tension zones. This is optional and supports the interpretation of a R2R web line. The position of the motor in the x-y plane is needed as well as the roller length, the motor length, and the motor diameter. The color can be also defined by the user.

Connections

Name

Description

Modelica ID

flangea

Rotational shaft of motor

flange_a

τ

Real input; motor torque

tau

wmeas

Real output; measured rotational speed

w_meas

Parameters

Settings

Name

Default

Units

Description

Modelica ID

ratio

1

 

Transmission ratio (motor/machine)

ratio

Jmotor

0.1

kgm2

Moment of inertia (Motor)

JMotor

Jgear

1

kgm2

Moment of inertia (Gear, machine side)

JGear

d

0

Nmsrad

Motor losses

d

Visualization

These parameters are accessible when Show motor (visMotor) is checked (true).

Name

Default

Units

Description

Modelica ID

Show motor

false

 

When checked (true), the motor is visualized in 3D

visMotor

Side

Back of the R2R machine

 

Motor position in z direction (back or front)

visBack

L

1.2

m

Length of the roller

L

r

0,0

m

Position of the motor center in the x-y plane

InitPos

Lm

0.3

m

Length of the motor

Lm

Dm

0.25

m

Diameter of the motor

Dm

color

Green

 

Color of the motor

color

I/O Units

Name

Value

Description

Modelica ID

τUnit

Nm

Unit selection for the τ output

torqueUnits

wUnit

RPM

Unit selection for the wmeas input

angVelUnits

See Also

Drives

Web Handling Library