Experimental performance evaluation of smart bimorph piezoelectric actuator and its application in micro robotics

Ghosh, Bhaskar; Jain, Ravi; Majumder, S.; Roy, Shibendu Shekhar; Mukhopadhyay, Sajal

doi:10.1007/s00542-017-3273-4

Cited by 14 publications

(3 citation statements)

References 28 publications

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“…Lastly, cycloidal pinwheel reducers offer low backlash, high torque density, and moderate compactness but may have lower efficiency and are generally more expensive than traditional reducers but less costly than harmonic reducers. Each reduction system has its unique advantages and drawbacks, making them more or less suitable for specific applications depending on factors such as cost, size, efficiency, torque density, and backlash [9].…”

Section: Electromagnetic Actuatorsmentioning

confidence: 99%

Current status and prospects of actuator in robotics

Yuan

2023

ACE

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This paper presents an overview of the current status and prospects of actuators in robotics, focusing on various types of actuators and their unique characteristics, advancements in actuator technology, common applications, and challenges. The different types of actuators discussed include electromagnetic actuators such as geared drive motors and direct drive motors, hydraulic actuators, and pneumatic actuators. Selection criteria for actuators in robotics are also explored, considering factors like energy efficiency, control precision, and cost. The paper highlights recent advancements in miniaturization, energy efficiency, and control and precision of actuators, along with their applications in industrial, medical, service, and military robots. Limitations and challenges associated with these actuators, such as cost constraints, performance and reliability issues, are addressed. Finally, the paper delves into prospects and future developments in actuator technologies, emphasizing emerging trends like soft robotics and artificial muscles, electroactive polymers, human-robot interaction, exploration robots, and the integration of artificial intelligence, sensor fusion, and advanced control algorithms. The paper concludes by discussing the implications of these advancements for the future of robotics and related fields and suggesting areas for further research and development.

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Section: Electromagnetic Actuatorsmentioning

confidence: 99%

Current status and prospects of actuator in robotics

Yuan

2023

ACE

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“…Piezoelectric actuators (PEAs) are widely used for precision positioning, such as in nanomanipulators [1], microrobots [2], microscopes [3], microsystems [4], and positioning systems [5][6][7]. PEAs are used as actuators in most precision positioning stages due to their light weight, small size, high bandwidth, and high accuracy.…”

Section: Introductionmentioning

confidence: 99%

Model-Free Output-Feedback Sliding-Mode Control Design for Piezo-Actuated Stage

2023

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Hysteresis in a piezoelectric actuator must be compensated for, and this compensation constitutes the main challenge in the high-precision motion control of piezo-actuated stages. This paper presents an output-feedback sliding-mode control (SMC) scheme to suppress unknown nonlinearity; in this scheme, hysteresis behavior is considered an external disturbance, and complex hysteresis models are thus not required. The scheme functions in the absence of transfer function of system state information, and a robust loop-transfer recovery observer is employed as a noise-free differentiator to estimate the required signal derivatives when the relevant system is in a noisy environment.

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“…It consists of two active layers that are composed of two piezoelectric ceramic plates bonded together with a supporting material (Priya and Inman, 2009). Piezoelectric actuators are used in applications that need high actuating precision and fast reaction; this requires a lower operating voltage (Ghosh et al, 2017). Figure 1 shows the piezoelectric actuator Bimorph cantilever beam that was used in the experiments.…”

Section: Introductionmentioning

confidence: 99%

Verification of the feed-forward control for a piezoelectric actuator using differential flatness approach

Alzoubi

Alboon

Alqudah

2018

Journal of Intelligent Material Systems and Structures

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In the last decade, the applications of nano- and micro-technology are widely used in many fields. In the modern mobile devices, such as digital cameras, there is an increased demand to achieve fast and precise positioning for some parts such as the recording sensor. Therefore, a smart material (piezoelectric) is used to achieve this requirement. This article discusses the feed-forward control for a piezoelectric actuator using differential flatness approach. The differential flatness approach is used to calculate the required voltage to control the piezoelectric actuator movement. The control voltage will be applied to the real actuator. The simulation and experimental results are compared for the actuator. The aim of this article is to verify the feed-forward control for second eigenfrequency using the differential flatness approach for the piezoelectric actuator.

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Experimental performance evaluation of smart bimorph piezoelectric actuator and its application in micro robotics

Cited by 14 publications

References 28 publications

Current status and prospects of actuator in robotics

Current status and prospects of actuator in robotics

Model-Free Output-Feedback Sliding-Mode Control Design for Piezo-Actuated Stage

Verification of the feed-forward control for a piezoelectric actuator using differential flatness approach

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