Multi-rate commutation of motors
AssigneeNewport Corporation
InventorsJesus Manny DelValle, Prakash Sreenivasa Kasturi, Adrian S. Nastase
Life of this patent
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Abstract
A motor control system that determines a number of commutation values during each control cycle of the system. Determining a plurality of commutation values provides a system with a higher frequency of commutation updates without having to increase the speed of the control cycle. This allows for a smoother operation of a motor without having to increase the speed of the control system processor.
Claims23
A motor control system that can be coupled to a motor driven by a commutation signal which is a function of a desired trajectory value, and a feedback signal, comprising:
- a controller that generates an error signal as a function of the desired trajectory value and the feedback signal in a control cycle, within each control cycle said controller generates a plurality of commutation signals that are a function of the error signal.
A motor control system that can be coupled to a motor driven by a commutation signal which is a function of a desired trajectory value, and a feedback signal, comprising:
- controller means for generating an error signal as a function of the desired trajectory value and the feedback signal in a control cycle, within each control cycle said controller means generates a plurality of commutation signals that are a function of the error signal.
A motor assembly, comprising:
- a motor that is driven by a commutation signal;
- a sensor that provides a feedback signal;
- and,
- a controller that generates an error signal as a function of a desired trajectory value and the feedback signal in a control cycle, within each control cycle said controller generates a plurality of commutation signals that are a function of the error signal.
A motor assembly, comprising:
- a motor that is driven by a commutation signal;
- sensor means for providing a feedback signal;
- and,
- controller means for generating an error signal as a function of the desired trajectory value and the feedback signal in a control cycle, within each control cycle said controller means generates a plurality of commutation signals that are a function of the error signal.
A method for controlling a motor, comprising:
- generating a desired trajectory value;
- receiving a feedback signal from a sensor;
- determining a error signal from the desired trajectory value and the feedback signal;
- determining a plurality of commutation signals from the error signal;
- and,
- transmitting the commutation signals to a motor driver.
Dependencies are inferred from the claim text.