Resonance frequency ratio control with an additional inductor for a miniaturized resonant-type SIDM actuator

Yokose, Takami; Hosaka, Hiroshi; Yoshida, Ryuichi; Morita, Takeshi

doi:10.1016/j.sna.2014.04.012

Cited by 23 publications

(13 citation statements)

References 12 publications

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“…Non-resonant inertia motors are unlikely to be competitive in such applications, because they tend to be bulkier and require more piezoelectric material to obtain the same velocity as resonant inertia motors. Recent developments of resonant inertia motors, like the integration of multiple DOF sharing one electrical input [16], small and tuneable designs [269], and strategies for the compensation of temperature-dependence [21,270] are promising. However, robust strategies for handling eigenfrequency shifts and a thorough comparison of the different electrical driving principles for resonant inertia motors are still missing in the reviewed literature.…”

Section: Discussionmentioning

confidence: 99%

Piezoelectric Inertia Motors—A Critical Review of History, Concepts, Design, Applications, and Perspectives

Hunstig

2017

Actuators

109

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Piezoelectric inertia motors-also known as stick-slip motors or (smooth) impact drives-use the inertia of a body to drive it in small steps by means of an uninterrupted friction contact. In addition to the typical advantages of piezoelectric motors, they are especially suited for miniaturisation due to their simple structure and inherent fine-positioning capability. Originally developed for positioning in microscopy in the 1980s, they have nowadays also found application in mass-produced consumer goods. Recent research results are likely to enable more applications of piezoelectric inertia motors in the future. This contribution gives a critical overview of their historical development, functional principles, and related terminology. The most relevant aspects regarding their design-i.e., friction contact, solid state actuator, and electrical excitation-are discussed, including aspects of control and simulation. The article closes with an outlook on possible future developments and research perspectives.

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Section: Discussionmentioning

confidence: 99%

Piezoelectric Inertia Motors—A Critical Review of History, Concepts, Design, Applications, and Perspectives

Hunstig

2017

Actuators

109

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“…In the previous study, we proposed the R-SIDM actuator [9][10][11] to solve this problem. Differently from a conventional SIDM actuator, the R-SIDM actuator utilizes a quasi-saw-shaped displacement by combining two excited sinusoidal vibrations whose frequency ratio is 1:2.…”

Section: Principle Of the Resonant-type Smooth Impact Drive Mechanismmentioning

confidence: 99%

“…In this study, we describe a motor, whose rotor is driven based on the principle of the resonant-type smooth impact drive mechanism [9][10][11] (R-SIDM) at the tip of a flexible aluminum wireguide attached to a Langevin transducer. On the following we will describe the motor's driving principle, its design and characteristics.…”

Section: Introductionmentioning

confidence: 99%

Wireguide driving actuator using resonant-type smooth impact drive mechanism

Yokozawa

Morita

2015

Sensors and Actuators A: Physical

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“…Piezoelectric ultrasonic actuators, piezoelectric inertial actuators, and piezoelectric inchworm actuators are widely used due to their high resolution, high stiffness, and rapid response [4,5]. Piezoelectric inertial actuators, including inertial driving mechanisms [6,7], smooth impact drive mechanisms (SIDMs) [8,9], and resonant-type SIDMs [10][11][12][13], have been increasingly researched. The SIDM, in particular, has received increasing attention due to its simple working principle.…”

Section: Introductionmentioning

confidence: 99%

Neural network controller for nanopositioning of a smooth impact drive mechanism

Lu¹,

Chen²,

Cheng³

et al. 2019

Turk J Elec Eng & Comp Sci

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In this paper, neural network theory is used to improve the positioning accuracy of smooth impact drive mechanisms (SIDMs), by designing a displacement controller that consists of a neural network identification (NNI) and a neural network controller (NNC). The dynamics of the SIDM are described by the NNI, which consists of an input layer, hidden layer, and output layer. The parameters of the NNI are adjusted using back propagation. The NNC is designed as a proportional-derivative (PD) controller, which is used to accurately control the displacement of the SIDM.The PD parameters are adjusted with an adaptive adjustment algorithm. A prototype of the SIDM was fabricated and an experimental control system was built that consists of a laser displacement sensor, power amplifier, data acquisition board, and SIDM prototype. The experimental results show that nanoscale positioning accuracy can be obtained. The control system can maintain steady operation, even if the output load mass is changed.

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Resonance frequency ratio control with an additional inductor for a miniaturized resonant-type SIDM actuator

Cited by 23 publications

References 12 publications

Piezoelectric Inertia Motors—A Critical Review of History, Concepts, Design, Applications, and Perspectives

Piezoelectric Inertia Motors—A Critical Review of History, Concepts, Design, Applications, and Perspectives

Wireguide driving actuator using resonant-type smooth impact drive mechanism

Neural network controller for nanopositioning of a smooth impact drive mechanism

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