Environmental Robust Position Control for Compact Solenoid Actuators by Sensorless Simultaneous Estimation of Position and Force

Sakahisa Nagai, Takahiro Nozaki, Atsuo Kawamura

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper aims to realize compact actuation systems by sensorless approach. This study adopts solenoid actuators which have advantageous characteristics from the view point in inexpensive cost, simple structure, and high-output force in spite of difficulty in low cost position and force sensing. Some sensorless position estimation techniques for solenoid actuators were reported. However, position and force simultaneous estimation has not sufficiently been achieved. In addition, any real-time feedback control has not been reported. This paper proposes sensorless feedback position control for compact solenoid actuators. The force generation and position/force estimation are conducted by using a dc supply power superposed by an ac component. This control technique has three main features: 1) separation of the power supply into ac and dc components for the position estimation, 2) simultaneous real-time estimation of position and force, and 3) robust feedback position control. Simulations and experiments were conducted for verification of the proposed control with the above three features, and the results indicated that error between the estimation and actual positions was within 0.2 mm. This proposed system offers a new avenue for compact and inexpensive application field.

Original languageEnglish
Article number7440853
Pages (from-to)5078-5086
Number of pages9
JournalIEEE Transactions on Industrial Electronics
Volume63
Issue number8
DOIs
Publication statusPublished - 2016 Aug 1

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Solenoids
Position control
Robust control
Actuators
Feedback control
Real time control
Costs
Experiments

Keywords

  • Environmental robust
  • position control
  • sensorless estimation
  • solenoid actuator

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Computer Science Applications

Cite this

Environmental Robust Position Control for Compact Solenoid Actuators by Sensorless Simultaneous Estimation of Position and Force. / Nagai, Sakahisa; Nozaki, Takahiro; Kawamura, Atsuo.

In: IEEE Transactions on Industrial Electronics, Vol. 63, No. 8, 7440853, 01.08.2016, p. 5078-5086.

Research output: Contribution to journalArticle

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