Publication

Design for Self-Sensing of a Linear Actuator

Yves Perriard, Miroslav Markovic
2011
Conference Papers

Abstract

This paper presents a complete method for optimizing a linear actuator in order to perform its sensorless speed control. The optimizer maximizes the difference of inductances between two positions of interest in order to perform the efficient position detection. The paper shows how the modifications made on a normal E-shaped reluctant actuator achieve the objective of sensorless position detection and speed control.

Official source

https://infoscience.epfl.ch/entities/publication/21ec2b9c-63f6-4154-850e-1592dea1b82a

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Yves Perriard, Miroslav Markovic
2011
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/21ec2b9c-63f6-4154-850e-1592dea1b82a

About this result

Related concepts (21)

Linear actuator

A linear actuator is an actuator that creates motion in a straight line, in contrast to the circular motion of a conventional electric motor. Linear actuators are used in machine tools and industrial machinery, in computer peripherals such as disk drives and printers, in valves and dampers, and in many other places where linear motion is required. Hydraulic or pneumatic cylinders inherently produce linear motion. Many other mechanisms are used to generate linear motion from a rotating motor.

Actuator

An actuator is a component of a machine that is responsible for moving and controlling a mechanism or system, for example by opening a valve. In simple terms, it is a "mover". An actuator requires a control device (controlled by control signal) and a source of energy. The control signal is relatively low energy and may be electric voltage or current, pneumatic, or hydraulic fluid pressure, or even human power. Its main energy source may be an electric current, hydraulic pressure, or pneumatic pressure.

Valve actuator

A valve actuator is the mechanism for opening and closing a valve. Manually operated valves require someone in attendance to adjust them using a direct or geared mechanism attached to the valve stem. Power-operated actuators, using gas pressure, hydraulic pressure or electricity, allow a valve to be adjusted remotely, or allow rapid operation of large valves. Power-operated valve actuators may be the final elements of an automatic control loop which automatically regulates some flow, level or other process.

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Design for Self-Sensing of a Linear Actuator

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