Energy-saving shape-retainment using two types of piezoelectric actuators

Tomonori Uchida, Tadashige Ikeda, Atsuhiko Senba, Kosei Ishimura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

To realize structure systems of future high-precision space observation satellites, smart structure systems which measure and correct their configuration or/and suppress their vibration on obit have been studied. Among sensors and actuators to be used in the smart structure systems, piezoelectric materials are expected to be a good candidate since they have less mechanical parts and high compatibility for space environment. When a shape of a smart space structure is controlled by the piezoelectric actuators attached to its structural element, electric voltage must be continued to be applied to retain a desired shape. To save the amount of electricity usage, a new control method was proposed and its feasibility was examined in the previous papers [Ikeda and Takahashi, Proc. SPIE 8689; Ikeda et al., Trans. JSASS 12 ists29]. In the method the hysteretic behavior of piezoelectric actuators was utilized effectively. The results showed that displacement of a smart beam with a piezoelectric ceramic actuator bonded remained without any voltage applied to the actuators after a pulsed voltage was applied. However, the displacement of the beam overshot a final position. In this paper this overshoot is suppressed. To this end another type of piezoelectric actuator showing almost no hysteretic behavior is bonded on the beam opposing the actuator showing the hysteretic behavior. Result shows that the overshoot can be suppressed by applying a feedback plus feedforward control to the additional actuator while the pulsed voltage is applied to the actuator showing hysteretic behavior.

Original languageEnglish
Title of host publication26th International Conference on Adaptive Structures and Technologies, ICAST 2015
PublisherInternational Conference on Adaptive Structures and Technologies
ISBN (Electronic)9781510821897
Publication statusPublished - 2015 Jan 1
Externally publishedYes
Event26th International Conference on Adaptive Structures and Technologies, ICAST 2015 - Kobe, Japan
Duration: 2015 Oct 142015 Oct 16

Other

Other26th International Conference on Adaptive Structures and Technologies, ICAST 2015
CountryJapan
CityKobe
Period15/10/1415/10/16

Fingerprint

Piezoelectric actuators
Energy conservation
Actuators
Intelligent structures
Electric potential
Feedforward control
Piezoelectric ceramics
Piezoelectric materials
Feedback control
Electricity
Satellites
Sensors

ASJC Scopus subject areas

  • Mechanical Engineering
  • Building and Construction
  • Civil and Structural Engineering
  • Mechanics of Materials
  • Electrical and Electronic Engineering

Cite this

Uchida, T., Ikeda, T., Senba, A., & Ishimura, K. (2015). Energy-saving shape-retainment using two types of piezoelectric actuators. In 26th International Conference on Adaptive Structures and Technologies, ICAST 2015 International Conference on Adaptive Structures and Technologies.

Energy-saving shape-retainment using two types of piezoelectric actuators. / Uchida, Tomonori; Ikeda, Tadashige; Senba, Atsuhiko; Ishimura, Kosei.

26th International Conference on Adaptive Structures and Technologies, ICAST 2015. International Conference on Adaptive Structures and Technologies, 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Uchida, T, Ikeda, T, Senba, A & Ishimura, K 2015, Energy-saving shape-retainment using two types of piezoelectric actuators. in 26th International Conference on Adaptive Structures and Technologies, ICAST 2015. International Conference on Adaptive Structures and Technologies, 26th International Conference on Adaptive Structures and Technologies, ICAST 2015, Kobe, Japan, 15/10/14.
Uchida T, Ikeda T, Senba A, Ishimura K. Energy-saving shape-retainment using two types of piezoelectric actuators. In 26th International Conference on Adaptive Structures and Technologies, ICAST 2015. International Conference on Adaptive Structures and Technologies. 2015
Uchida, Tomonori ; Ikeda, Tadashige ; Senba, Atsuhiko ; Ishimura, Kosei. / Energy-saving shape-retainment using two types of piezoelectric actuators. 26th International Conference on Adaptive Structures and Technologies, ICAST 2015. International Conference on Adaptive Structures and Technologies, 2015.
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