About Servo Motors
Use servo motors to impose a particular motion on a mechanism. Servo motors cause a specific type of motion to occur between two bodies in a single degree of freedom. Add servo motors to your model to prepare it for analysis.
Servo motors specify position, velocity, or acceleration as a function of time, and can control either translational or rotational motion. For example, a servo motor starts in a specific configuration. After one second, another configuration is defined for the model. The difference between the two configurations is the motion of the model.
By specifying your servo motor's function, such as constant or ramp, you can define the motion's profile. Select from predefined functions or input your own. You can define as many servo motors on an entity as you like.
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If you select or define a position or velocity function for your servo motor profile that is not continuous, it will be ignored if you run a kinematic or dynamic analysis. However, you can use a discontinuous servo motor profile in a position analysis. When you graph a discontinuous servo motor, messages appear indicating the discontinuous points.
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You can place the following types of servo motors on motion axes or on geometric entities such as part planes, datum planes, and points:
• Use a motion axis servo motor to create a well-defined motion in one direction.
• Use a geometric servo motor to create complex 3D motions such as a helix or other space curves.
Click 
Servo Motors to access the Motor tab to create or edit your servo motors. A servo motor appears as a feature in the Model Tree. You can edit the definition of a motor when you select it and click 
in the Assembly or Mechanism Model Tree.
Servo Motors to access the Motor tab to create or edit your servo motors. A servo motor appears as a feature in the Model Tree. You can edit the definition of a motor when you select it and click in the Assembly or Mechanism Model Tree.