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RISS 인기검색어
- 검색키워드
- 저자 : Basudeba Behera (검색결과 2 건)
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Micro Cylindrical Ultrasonic Motor with Improvised Power and Efficiency
Gyanabrata Sahoo,Baruna Kumar Turuk,Basudeba Behera 한국전기전자재료학회 2023 Transactions on Electrical and Electronic Material Vol.24 No.3
This paper presents a micrometer scale of a bar-type traveling wave ultrasonic motor. The proposed work is based on the cylindrical micro ultrasonic motor which consists of an 8 piezoelectric bar, is very small in size, and has been designed through a Micro-meter scale. It produces a high power/weight ratio, and efficiency is independent of the size of the motor. The different parameters of such motors are studied and analyzed. The motor produces an output power of 5.7 pW. The output torque is 0.28 nN. The produced rotation per minute is 2620 RPM with a preload of 0.98 μN. There is a great demand for high drive power for micro loads in many fields as per their requirement or field of application, such as micro-robots, microsurgery equipment, and MEMS applications.
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Ashish Tiwary,Shasanka Sekhar Rout,Basudeba Behera 한국전기전자재료학회 2022 Transactions on Electrical and Electronic Material Vol.23 No.6
This paper presents the design and analysis of a surface acoustic wave (SAW) sensor with a multilayer nanocomposite to detect carbon dioxide (CO2) gas. SAW resonator impacts the detection and identifi cation of hazardous gases that exist in the environment in an uncontrolled manner. These devices have the operational capability to work in a very extreme elevated temperature, pressure, and inert noxious atmosphere. The proposed work is intended to provide a two-dimensional model of a surface acoustic wave device/sensor and the most prominent solid material, carbon nanotube (CNT), which plays a vital role in the adsorption of volatile organic compounds. However, another miniature sensor has been designed with a potential material, an organic polymer, i.e., poly-isobutylene (PIB). Both the sensor model responses were examined for CO2 gas at room temperature. In this work, we have designed two diff erent resonator structures with the help of COMSOL Multiphysics. The proposed, designed models were patterned with interdigitated transducer electrodes made of aluminum material coated explicitly on top of the structure were used to analyze gas sensing behavior for CO2 gaseous elements. Here the proposed geometry provides resonance of 9.1524 MHz and anti-resonance of 9.2455 MHz for monolayer structure and resonance of 8.6447 MHz, and anti-resonance of 8.5201 MHz for multilayer structure. Comparatively, the second sensor PIB/CNT/LiNbO3 heterostructure pattern was also designed to be the best choice for the accurate and reliable measurement of the concentration of various gaseous elements based on a few parameters are discussed further.
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