Evidence map›Paper›PMID 34577656›Full record

ArticleMicromachines2021

Bidirectional Active Piezoelectric Actuator Based on Optimized Bridge-Type Amplifier.

Weiqing Huang, Junkai Lian, Mingyang Chen, Dawei An

Abstract read
In one paragraph

Article in Micromachines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Weiqing HuangSchool of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China.
Junkai LianSchool of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China.ORCID 0000-0003-1381-9085
Mingyang ChenSchool of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China.
Dawei AnSchool of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China.ORCID 0000-0003-1147-1281

Funding

National Natural Science Foundation of China No. 52075108Science and Technology Planning Project of Guangzhou, China No. 202002030418
6 · The paper itself

Abstract

Piezoelectric actuators based on bridge displacement amplifying mechanisms are widely used in precision driving and positioning fields. The classical bridge mechanism relies on structural flexibility to realize the return stroke, which leads to the low positioning accuracy of the actuator. In this paper, a series bridge mechanism is proposed to realize a bidirectional active drive; the return stroke is driven by a piezoelectric stack rather than by the flexibility of the structure. By analyzing the parameter sensitivity of the bridge mechanism, the series actuation of the bridge mechanism is optimized and the static and dynamic solutions are carried out by using the finite element method. Compared with the hysteresis loop of the piezoelectric stack, the displacement curve of the proposed actuator is symmetric, and the maximum nonlinear error is improved. The experimental results show that the maximum driving stroke of the actuator is 129.41 μm, and the maximum nonlinear error is 5.48%.

Indexed as

bidirectional active drivebridge mechanismpiezoelectric actuatorsensitivity analysis

Identifiers

PMID34577656
PMCPMC8472702

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.