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Numerical Analysis and Experimental Investigation on a Novel Piezoelectric-Actuated Rail-Type Mobile Platform
Hao, Bo1; Wang, Liang1,2; Wang, Ruifeng1; Sun, Yuhang1; Jin, Jiamei1; Xu, Qingsong2
Source PublicationIEEE/ASME Transactions on Mechatronics

A novel piezoelectric-actuated rail-type mobile platform is proposed in this article, which has potential application in the inspection and maintenance tasks of the Tokamak vacuum vessel as it holds good environmental adaptability to extreme environments, such as strong magnetic fields, high vacuum, and high temperature. The rail-type piezoelectric-actuated mobile platform consists of a rail and a framed piezoelectric actuator operating with two orthogonal bending vibrations. The framed piezoelectric actuator moves on the rail by friction. At first, a semianalytical model is created for the framed piezoelectric actuator utilizing the transfer matrix method in order to reveal its dynamic behavior. Then, the prototype of the proposed framed piezoelectric actuator is manufactured and assembled, and its vibration characteristics are measured to verify the feasibility of the developed transfer matrix model. Additionally, the mechanical output performances of the rail-type mobile platform prototype are investigated experimentally, and it is observed that the maximum speed of the mobile platform prototype reached 384.68 mm/s when the amplitude of the driving voltage is 400 Vpp, its maximum load-weight to self-weight ratio reached 7.6 when the excitation voltage is 300 Vpp, its maximum output force is about 1.8 N under the excitation voltage of 400 Vpp, and the minimum displacement resolution is 4 μm when operated in the stepping mode. Finally, the extreme environment (temperature: 0-120 °C and vacuum: 3×10-3-105 Pa) tests are carried out to measure the output performances of the mobile platform prototype. The results show that the platform prototype is capable of carrying loads in a high-temperature and high-vacuum environment.

KeywordMobile Platform Piezoelectric Actuator Rail Transfer Matrix Method (Tmm) Ultrasonic Motor
URLView the original
Indexed BySCIE
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing ; Engineering, Electrical & Electronic ; Engineering, Mechanical
WOS IDWOS:000782804300017
Scopus ID2-s2.0-85103914726
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Affiliation1.State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, China
2.Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Macao
Recommended Citation
GB/T 7714
Hao, Bo,Wang, Liang,Wang, Ruifeng,et al. Numerical Analysis and Experimental Investigation on a Novel Piezoelectric-Actuated Rail-Type Mobile Platform[J]. IEEE/ASME Transactions on Mechatronics,2022,27(2):744-752.
APA Hao, Bo,Wang, Liang,Wang, Ruifeng,Sun, Yuhang,Jin, Jiamei,&Xu, Qingsong.(2022).Numerical Analysis and Experimental Investigation on a Novel Piezoelectric-Actuated Rail-Type Mobile Platform.IEEE/ASME Transactions on Mechatronics,27(2),744-752.
MLA Hao, Bo,et al."Numerical Analysis and Experimental Investigation on a Novel Piezoelectric-Actuated Rail-Type Mobile Platform".IEEE/ASME Transactions on Mechatronics 27.2(2022):744-752.
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