Method of controlling a drive motor
AssigneeSchneider Electric Industries SAS
InventorsSebastian Walter, Dirk Hempel
Life of this patent
Estimating the term…
Abstract
A method of controlling a drive, in particular an electric drive, of an industrial machine, in which method a drive control controls a drive motor and the drive motor drives a mechanical system having one or more coupled components. The drive control carries out a simulation of the mechanical system of the machine with a simulation model and performs a feedforward control of the drive motor based on the simulation.
Claims16
A method of controlling a drive motor of an industrial machine, wherein a drive controller is configured to control the drive motor, and the drive motor drives a mechanical system having a plurality of coupled components, the method comprising:
- performing, by the drive controller, a simulation of the mechanical system of the machine using a transfer function that is part of a simulation model, and performing a feedforward control of the drive motor based on results of the simulation,
- wherein the transfer function describes behavior of at least some of the coupled components of the mechanical system, and
- wherein the transfer function is a table relating values of a first variable describing a movement of a first component of the components of the mechanical system to values of a second variable describing a movement of a second component of the components of the mechanical system, said second component being coupled to the first component.
An industrial machine, comprising:
- a drive motor;
- a mechanical system having a plurality of coupled components;
- and
- a drive controller configured to control the drive motor, wherein the drive motor drives the mechanical system,
- wherein the drive controller is further configured to execute a simulation of the mechanical system of the industrial machine using a transfer function that is part of a simulation model, and perform feedforward control of the drive motor based on results of the simulation,
- wherein the transfer function describes behavior of at least some of the coupled components of the mechanical system, and
- wherein the transfer function is a table relating values of a first variable describing a movement of a first component of the components of the mechanical system to values of a second variable describing a movement of a second component of the components of the mechanical system, said second component being coupled to the first component.
Dependencies are inferred from the claim text.