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Speed Connection


Specifies (sets) the speed of an access over time.

(make-connection 'speed ... )

Syntax and Default Values

The 'speed connection can be created using the following Lisp syntax:

(make-connection 'speed access_reference speed_controller weight)


The 'speed connection takes three arguments:

  • access_reference: any access.
  • speed_controller: a one-dimensional controller outputting a value for speed in m/sec.
  • weight: (optional) controller weighing the interaction.

The speed controller a one-dimensional controller which outputs a value for speed. The value is expressed in m/sec. The direction of the speed is determined by the sign of the output value (i.e., a positive number will move the access in its positive direction, and a negative number will give the access speed in the opposite direction).

The weight controller is optional. If not provided, it defaults to 1.


Along with 'position and 'force, the 'speed connection is one of the most basic connections in Modalys.


There are no special options for this connection.

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