A novel inertial impact piezoelectric actuator with adjustable angle vibrators

Lin, Shengrong; Ma, Jijie; Li, Jianping; Li, Shengjie; Wang, Minghao; Hu, Yili; Wen, Jianming

doi:10.1016/j.ijmecsci.2022.108071

Cited by 18 publications

(6 citation statements)

References 64 publications

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“…Resonant actuators have shortcomings such as severe wear and low resolution (Huang et al, 2023). In contrast, non-resonant actuators are more stable and unaffected by external factors (Li et al, 2023; Lin et al, 2023; Yu et al, 2023). It can be further divided into three categories: push-type, inertial-type, and inchworm-type (Ma et al, 2022; Xu et al, 2022; Yu et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

A new stick-slip type piezoelectric actuator based on asymmetric diamond-shaped flexure hinge structure

Wang,

Wang

2024

Journal of Intelligent Material Systems and Structures

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A new stick-slip type piezoelectric actuator based on asymmetric structure is proposed. The actuator uses a stator with the asymmetric diamond-shaped structure, and the structure size is determined by finite element simulation. First, the structure and working principle of the proposed actuator are introduced. The elongation deformation of the piezo stack is transferred to the driving tip by the used asymmetric diamond-shaped hinge. This produces a diagonal movement on the driving tip, with the lateral motion used for driving and the longitudinal motion used for pressing the slider, respectively. Then, the statics analysis of the proposed piezoelectric actuator is performed by finite element simulation. The simulated displacements of the driving tip under different structures are obtained, and then the structure size is determined. Finally, an experimental system is established to study the performance of the proposed piezoelectric actuator. The experimental results show that the maximum output velocity of the proposed actuator is 5.26 mm/s. The maximum output force is 1.9N when the locking force is 2N and the drive frequency is 660 Hz.

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Section: Introductionmentioning

confidence: 99%

A new stick-slip type piezoelectric actuator based on asymmetric diamond-shaped flexure hinge structure

Wang,

Wang

2024

Journal of Intelligent Material Systems and Structures

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“…[39][40][41][42] Among them, the piezoelectric actuating elements exhibit many impressive advantages, such as compact structure, high power density, fast response, high resolution, and no electromagnetic interference [43][44][45][46][47][48] ; these merits make the piezoelectric actuating elements greatly suitable for the development of the miniature robots, and have captured the attentions and favors of numerous scholars. [49][50][51][52] The miniature robots driven by piezoelectric ceramics, namely miniature piezoelectric robots (MPRs), can achieve movements by converting electrical energy into mechanical energy via the inverse piezoelectric effect. [53][54][55] After decades of efforts, various MPRs with diverse mechanical structures, working principles and motion capabilities have been developed.…”

Section: Introductionmentioning

confidence: 99%

“…[ 39 , 40 , 41 , 42 ] Among them, the piezoelectric actuating elements exhibit many impressive advantages, such as compact structure, high power density, fast response, high resolution, and no electromagnetic interference [ 43 , 44 , 45 , 46 , 47 , 48 ] ; these merits make the piezoelectric actuating elements greatly suitable for the development of the miniature robots, and have captured the attentions and favors of numerous scholars. [ 49 , 50 , 51 , 52 ]…”

Section: Introductionmentioning

confidence: 99%

Developments and Challenges of Miniature Piezoelectric Robots: A Review

Li,

Deng,

Zhang

et al. 2023

Advanced Science

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Miniature robots have been widely studied and applied in the fields of search and rescue, reconnaissance, micromanipulation, and even the interior of the human body benefiting from their highlight features of small size, light weight, and agile movement. With the development of new smart materials, many functional actuating elements have been proposed to construct miniature robots. Compared with other actuating elements, piezoelectric actuating elements have the advantages of compact structure, high power density, fast response, high resolution, and no electromagnetic interference, which make them greatly suitable for actuating miniature robots, and capture the attentions and favor of numerous scholars. In this paper, a comprehensive review of recent developments in miniature piezoelectric robots (MPRs) is provided. The MPRs are classified and summarized in detail from three aspects of operating environment, structure of piezoelectric actuating element, and working principle. In addition, new manufacturing methods and piezoelectric materials in MPRs, as well as the application situations, are sorted out and outlined. Finally, the challenges and future trends of MPRs are evaluated and discussed. It is hoped that this review will be of great assistance for determining appropriate designs and guiding future developments of MPRs, and provide a destination board to the researchers interested in MPRs.

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“…Piezoelectric actuation, which represents a mature technology path for use in multiple macro or micro actuation applications, offers major existing advantages in terms of realization of fully functional integration design and achieving both macro and micro actuation abilities using a single actuator. The piezoelectric motor is one type of actuation device that uses the converse piezoelectric effect in the piezoelectric elements by transforming electrical energy into mechanical energy, thus achieving the motion of the end effector via the friction effect [13][14][15][16]. These motors offer many superior properties, including high precision, compact structures, high-speed responses, zero electromagnetic radiation, and self-locking in the power-off state, and these properties have drawn extensive interest in several advanced mechanical transmission fields, including space technology [17,18], semiconductor processing [19,20], biotechnology [10,21], adaptive optics [8,22], robotics [23][24][25], and optical fiber alignment [26,27].…”

Section: Introductionmentioning

confidence: 99%

“…Nonresonant-type piezoelectric motors, which are commonly used as micro manipulators, deal with the accurate positioning tasks. There are four main nonresonant-type motors, comprising the direct drive type [32][33][34][35], the inertial type [13,16,36], the stick-slip type [37][38][39][40], and the inchworm type [41][42][43][44]. These motors commonly use flexure hinge mechanisms and multilayer lead zirconate titanate (PZT) ceramics [45] to produce the desired vibrations at the contact interface to drive the end effector.…”

Section: Introductionmentioning

confidence: 99%

A novel three-phase excitation piezoelectric motor for macro-micro actuation: integration design, systematic modeling, and experimental evaluation

Qiu

Jin

Wang

et al. 2023

Smart Mater. Struct.

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Macro-micro actuators require complex feedback control systems to obtain high positioning cooperativeness. However, the mechanical connections of macro-micro actuators are generally redundant in terms of their size, which is highly unfavorable for both miniaturization and integration. This paper presents an approach to address this problem based on a novel integration design for a three-phase excitation piezoelectric motor (TPM) that is capable of performing macro-micro actuation by switching its operating mode from resonant to nonresonant. The load capacity of the proposed TPM can reach 0.39 Nm with a maximum speed of 3.82 rad/s (36.5 rpm). This performance is achieved by using a unique triangular flexible stator that contains three piezoelectric stack actuators (PSAs) acting as vibrators and is excited by a three-phase electrical signal. A time-domain electromechanical coupling dynamic model is developed to determine the dynamic behavior of the proposed motor, and the modeling results are validated successfully by experimental results obtained from a fabricated prototype. The proposed motor is expected to be helpful for integration design of piezoelectric devices that require macro-micro actuation.

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A novel inertial impact piezoelectric actuator with adjustable angle vibrators

Cited by 18 publications

References 64 publications

A new stick-slip type piezoelectric actuator based on asymmetric diamond-shaped flexure hinge structure

A new stick-slip type piezoelectric actuator based on asymmetric diamond-shaped flexure hinge structure

Developments and Challenges of Miniature Piezoelectric Robots: A Review

A novel three-phase excitation piezoelectric motor for macro-micro actuation: integration design, systematic modeling, and experimental evaluation

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