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The 20-sim Servo Motor Editor is a tool to generate dynamic models of servo motors for the use in 20-sim. These models describe the complete dynamic behaviour of servo motors, including the electrical, mechanical and thermal behaviour. The following classes of motors are supported in the editor:

1.Brush DC
2.Brushless DC (trapezoidal EMC and square wave currents)
3.AC synchronous (sinusoidal EMC and sinusoidal currents)
4.AC synchronous linear (sinusoidal EMC and sinusoidal currents)

The dynamic models are generated automatically from data files containing commercially available motors, but you can also enter your own motor parameters. The following motors are available on data files:

1.The complete Maxon 2005 / 2006 program.
2.The complete Tecnotion 2006 program.
3.The Faulhaber 2006 program.

In the first part of these help files, the use of the 20-sim Servo Motor Editor is explained. The Editor uses a data table with motor parameters of commercial servo motors. You can select any motor from the table, inspect the corresponding torque speed curve and let the Servo Motor Editor generate a 20-sim dynamic model from the parameters.


The second part of these help files, explains the operating principles of the motors. A good indication of the performance of permanent magnet motors can be given by the torque speed plot. Various curves of the torque speed plot and how this can be used to choose the proper motor for a given task. An important part of the torque speed plot is the maximum continuous torque. It is the maximum torque that a motor can deliver without overheating. This curve is based on a thermal model of the motor, which is also explained.