نتایج جستجو برای: a stepper motor with deriver

تعداد نتایج: 15587928  

پایان نامه :0 1371
شهین بناکار,

the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

Journal: :MEJ. Mansoura Engineering Journal 2021

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Journal: :Journal of the Japan Society of Precision Engineering 1985

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2003
M. A. NASSER

This paper aims to introduce two new adaptive designs of vibration control systems. First is an absorber and the second is an isolator. Absorbers are used for suppressing unwanted vibrations, while isolators isolating them. Structural parameter changes and excitation directions significantly affect the behavior of the conventional passive controllers. A Tuned Stiffness Damper (TSD), stepper mot...

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2014
Sundar Pandian S. Raj Pandian

Hands-on laboratory instruction is essential to improve student learning in engineering education. In the area of CAD/CAM/Manufacturing Technology lab courses, the high cost of commercial CNC machines like mills and lathes limits the quantity of machines accessible to the students. In this paper, a low-cost, build-your-own (BYO) three axis vertical computer numerical control (CNC) mill prototyp...

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Journal: :Technologic 2020

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Journal: :Science Discovery 2018

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Journal: :Recent Innovations in Mechatronics 2021

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Journal: :Journal of Engineering and Applied Technology 2021

The throttle is a component that determines the amount of airflow into combustion chamber. latest in-vehicle technology makes it possible to adjust fly valve electronically. electronic system adjusts angle size by comparing predetermined setpoints. In research, designs are based on existing models. model uses stepper motor drive. Electronic control using microcontroller with proportional-integr...

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2015
Munsang Choi Junsang Yoo Soonyoung Shin Wanhee Lee

[Purpose] This study investigated the effect of stepper exercise with visual feedback on strength, walking, and stair climbing in stroke patients. [Subjects] Twenty-six stroke patients were divided randomly into the stepper exercise with visual feedback group (n = 13) or the stepper exercise group (n = 13). [Methods] Subjects in the experimental group received feedback through the mirror during...

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