Periodic reference tracking control approach for smart material actuators with complex hysteretic characteristics

Zhiyong Sun, Lina Hao, Bo Song, Ruiguo Yang, Ruimin Cao, Yu Cheng

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Micro/nano positioning technologies have been attractive for decades for their various applications in both industrial and scientific fields. The actuators employed in these technologies are typically smart material actuators, which possess inherent hysteresis that may cause systems behave unexpectedly. Periodic reference tracking capability is fundamental for apparatuses such as scanning probe microscope, which employs smart material actuators to generate periodic scanning motion. However, traditional controller such as PID method cannot guarantee accurate fast periodic scanning motion. To tackle this problem and to conduct practical implementation in digital devices, this paper proposes a novel control method named discrete extended unparallel Prandtl-Ishlinskii model based internal model (d-EUPI-IM) control approach. To tackle modeling uncertainties, the robust d-EUPI-IM control approach is investigated, and the associated sufficient stabilizing conditions are derived. The advantages of the proposed controller are: it is designed and represented in discrete form, thus practical for digital devices implementation; the extended unparallel Prandtl-Ishlinskii model can precisely represent forward/inverse complex hysteretic characteristics, thus can reduce modeling uncertainties and benefits controllers design; in addition, the internal model principle based control module can be utilized as a natural oscillator for tackling periodic references tracking problem. The proposed controller was verified through comparative experiments on a piezoelectric actuator platform, and convincing results have been achieved.

Original languageEnglish (US)
Article number105029
JournalSmart Materials and Structures
Volume25
Issue number10
DOIs
StatePublished - Sep 23 2016

Fingerprint

approach control
smart materials
Intelligent materials
Actuators
actuators
controllers
Digital devices
Controllers
scanning
Scanning
tracking problem
piezoelectric actuators
Piezoelectric actuators
positioning
platforms
modules
Hysteresis
hysteresis
microscopes
oscillators

Keywords

  • discrete control
  • hysteresis
  • internal model
  • inverse compensation
  • piezoelectric actuator

ASJC Scopus subject areas

  • Signal Processing
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering

Cite this

Periodic reference tracking control approach for smart material actuators with complex hysteretic characteristics. / Sun, Zhiyong; Hao, Lina; Song, Bo; Yang, Ruiguo; Cao, Ruimin; Cheng, Yu.

In: Smart Materials and Structures, Vol. 25, No. 10, 105029, 23.09.2016.

Research output: Contribution to journalArticle

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