ROBUST POSITION CONTROL OF PIEZOELECTRIC ACTUATOR USING SELF SENSING ACTUATION

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ASGHARI MOHSEN; REZAEI SEYED MEHDI; ZAREINEJAD MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:8 Page(s): 0-0

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Title

ROBUST POSITION CONTROL OF PIEZOELECTRIC ACTUATOR USING SELF SENSING ACTUATION

Author(s)

ASGHARI MOHSEN | REZAEI SEYED MEHDI | ZAREINEJAD MOHAMMAD | Issue Writer Certificate

Keywords

PIEZO ACTUATORSQ1

HYSTERESISQ2

SELFSENSINGQ1

SLIDING MODE CONTROLQ1

UNKNOWN INPUT OBSERVERQ1

Abstract

Piezoelectric actuators (PA) are widely used in electromechanical systems due to interesting propertiessuch as: high resolution, fast response, wide bandwidth, mechanical simplicity, high stiffness. Despitethese unique desirable properties, they suffer from nonlinear behaviors which adversely affect thepositioning accuracy. Among them, HYSTERESIS between applied voltage and actuator position is the mostimportant nonlinearity which can lead to significant error if not compensated. In this study, a slidingmode controller associated with an UNKNOWN INPUT OBSERVER, which uses the position feedback providedby a SELFSENSING circuit, is suggested for use in micro positioning applications. The SELFSENSINGtechnique is based on the linear relation between position and charge, which is measured by an activecharge measurement circuit. The advantages of proposed scheme could be summarized as follows. It isa sensorless method which does not need an external position sensor. It does not need any operators tomodel HYSTERESIS or its inverse. It has improved performance in comparison to traditional controllers likeproportional integral (PI) controller. Obtained experimental results demonstrate the effectiveness ofproposed method to use in micro-positioning applications.

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APA: Copy

ASGHARI, MOHSEN, REZAEI, SEYED MEHDI, & ZAREINEJAD, MOHAMMAD. (2016). ROBUST POSITION CONTROL OF PIEZOELECTRIC ACTUATOR USING SELF SENSING ACTUATION. MODARES MECHANICAL ENGINEERING, 16(8), 0-0. SID. https://sid.ir/paper/356350/en

Vancouver: Copy

ASGHARI MOHSEN, REZAEI SEYED MEHDI, ZAREINEJAD MOHAMMAD. ROBUST POSITION CONTROL OF PIEZOELECTRIC ACTUATOR USING SELF SENSING ACTUATION. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(8):0-0. Available from: https://sid.ir/paper/356350/en

IEEE: Copy

MOHSEN ASGHARI, SEYED MEHDI REZAEI, and MOHAMMAD ZAREINEJAD, “ROBUST POSITION CONTROL OF PIEZOELECTRIC ACTUATOR USING SELF SENSING ACTUATION,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 8, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/356350/en

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