Integration of a piezoelectric transformer and an ultrasonic motor

Manuspiya, Suwan; Laoratanakul, Pitak; Uchino, Kenji

doi:10.1016/s0041-624x(02)00396-7

Cited by 27 publications

(8 citation statements)

References 7 publications

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“…From the Figures, it is possible to observe the following: The V-gain was considerably related to frequency of the V in and maximum V-gains of all PTs were located nearby their 1st resonance frequencies, measured on input electrode. This result was in agreement with that of Manuspiya et al [9].…”

Section: Ii) the V-gain Versus Frequency Experimentssupporting

confidence: 94%

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Effects of Thickness and Input/Output Area Ratio on Electrical Characteristics of Circular Ring/Dot Type Piezoelectric Transformer

Srilomsak

Putthongchai

Pitiket

et al. 2011

Integrated Ferroelectrics

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Many types of piezoelectric transformer (PT) have been developed for more than 50 years. In this research, the voltage gain (V-gain) from circular ring/dot type PTs which have 2-3 mm thicknesses and 1-7 input/output area ratios (i/o area) was investigated under the criteria of 10 4 -10 6 Hz input voltage (V in ) and 500-100,00 connected load resistance (R L ). Results showed that 1) The maximum V-gain was located near its 1st resonance frequency measured on input electrode, 2) The V-gain was significantly increased with i/o area and R L . 3) Large V-gain was obtained in high i/o area PT connected to large enough load resistance.

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Section: Ii) the V-gain Versus Frequency Experimentssupporting

confidence: 94%

“…They are Rosen type, Thickness vibration mode, and Radial vibration mode (Transoner) [2][3][4][5]. Recently, the circular unipoled ring/dot type has been focused with increasing interest, because it is easy to fabricate and pole [6][7][8][9]. But there is little information available on this type of PT.…”

Section: Introductionmentioning

confidence: 99%

Effects of Thickness and Input/Output Area Ratio on Electrical Characteristics of Circular Ring/Dot Type Piezoelectric Transformer

Srilomsak

Putthongchai

Pitiket

et al. 2011

Integrated Ferroelectrics

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“…In general, the size of piezo-transformer is 1/10 of the conventional EM transformer. Figure 30 exhibits a new ultrasonic motor with its drive circuit and a piezoelectric transformer integrated, which is directly driven by connecting a battery [36].…”

Section: Injectionmentioning

confidence: 99%

Piezoelectric actuators 2006

Uchino

2007

J Electroceram

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154

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“…Having natures of low speed, high torque and quick response characteristics [1], ultrasonic motors (USM) are applied in robot, precision positioning machine and optical instruments. As an important part in a mechanical system, a lightweight and powerful actuator can decrease the total weight of system and increase the operability.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic motors with polymer vibrator

Mizuno

Kambara

et al. 2014

2014 IEEE International Ultrasonics Symposium

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With the nature of low density and elastic modulus, polymers are promising materials for making light weight and large output ultrasonic motor (USM). However, it has been believed for a long time that polymer is too lossy to be applied in high amplitude vibrator. In order to explore the possibility of polymers for USM, we made a bimorph vibrator and a standing wave USM, respectively, and investigated their vibration and friction characteristics experimentally. It was found that polymer-based bimorphs had larger vibration velocity than the aluminum-based one. The polymer-based USMs using orthogonal bending vibrations exhibited higher angular velocity than the aluminum-based one under light preload, and the maximum torque of the polymer-based USMs were smaller than the aluminum-based one. Polyphenylenesulfide (PPS) was prospective material for USM under light preload because of the large high amplitude and lightweight.

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Integration of a piezoelectric transformer and an ultrasonic motor

Cited by 27 publications

References 7 publications

Effects of Thickness and Input/Output Area Ratio on Electrical Characteristics of Circular Ring/Dot Type Piezoelectric Transformer

Effects of Thickness and Input/Output Area Ratio on Electrical Characteristics of Circular Ring/Dot Type Piezoelectric Transformer

Piezoelectric actuators 2006

Ultrasonic motors with polymer vibrator

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