A Numerical Analysis and Improvement of Output Characteristics in Different Passive Rectifiers based on Vibration Generators

2018 ◽  
Author(s):  
Tomoki Sakabe ◽  
Masataka Minami ◽  
Shin-ichi Motegi ◽  
Masakazu Michihira
Keyword(s):  
Numerical Analysis ◽  
Output Characteristics

scholarly journals Working Mechanism of Nonresonance Friction in Driving Linear Piezoelectric Motors with Rigid Shaking Beam

2018 ◽  
Vol 2018 ◽  
pp. 1-10
Author(s):  
Xifu Chen ◽  
Qian Lu ◽  
Weiqing Huang ◽  
Yin Wang
Keyword(s):  
Numerical Analysis ◽  
Normal Vibration ◽  
Low Cost ◽  
Theoretical Data ◽  
Friction Model ◽  
Working Mechanism ◽  
Ultrasonic Motors ◽  
Vibration Model ◽  
Piezoelectric Motors ◽  
Output Characteristics

A kind of nonresonance shaking beam motors is proposed with the advantages of simple structure, easy processing, and low cost due to its wide application prospects in precision positioning technology and precision instruments. The normal vibration model between the stator and slider is divided into contact and noncontact types to investigate the nonresonance friction drive principle for this motor. The microscopic kinematics model for stator protruding section and the interface friction model for motor systems during both operating stages are established. Accordingly, the trajectory of the stator protruding section consists of two different elliptical motions, which differ from those of resonance-type motors. The output characteristic of the nonresonance shaking beam motor is proposed under steady working conditions with reference to the research method of standing-wave-type ultrasonic motors. Numerical analysis is used to simulate the normal vibration and mechanical output characteristics of the motor. Experimental and theoretical data fitting validates the numerical analysis results and allows the future optimization of nonresonance-type motors.

Numerical Analysis of Output Characteristics of a Tubular SOFC with Different Fuel Compositions and Mass Flow Rates

2019 ◽  
Vol 7 (1) ◽  
pp. 1919-1928 ◽  
Author(s):  
Y. Mollayi Barzi ◽  
M. Ghassemi ◽  
M. Hamedi ◽  
E. Afshari
Keyword(s):  
Numerical Analysis ◽  
Mass Flow ◽  
Flow Rates ◽  
Mass Flow Rates ◽  
Output Characteristics

Numerical analysis of output characteristics of tubular SOFC with internal reformer

2001 ◽  
Vol 101 (1) ◽  
pp. 60-71 ◽  
Author(s):  
Susumu Nagata ◽  
Akihiko Momma ◽  
Tohru Kato ◽  
Yasuhiro Kasuga
Keyword(s):  
Numerical Analysis ◽  
Output Characteristics
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