@inproceedings{SisLab4312,
       booktitle = {National Conference on Electronics, Communications and Information Technology - REV-ECIT},
           month = {December},
           title = {Nghi{\^e}n C?u, Thi?t K?, Ch? T{\d a}o V{\`a} Th? Nghi?m H? Th?ng M{\d a}ch {\DJ}o Di {\DJ}?ng Cho C{\h a}m Bi?n Ch?t L{\h o}ng Ion},
          author = {Nhu Chi Tran and Tien Manh Pham and Thi Thanh Van Nguyen and Thanh Tung Bui and Duc Trinh Chu and Ngoc An Nguyen},
            year = {2020},
           pages = {59--63},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/4312/},
        abstract = {B{\'a}o c{\'a}o n{\`a}y tr{\`i}nh b{\`a}y k?t qu{\h a} nghi{\^e}n c?u ph{\'a}t tri?n h? th?ng m{\d a}ch {\dj}o nh{\h o} g{\d o}n (portable), ?ng d{\d u}ng cho {\dj}o {\dj}{\d a}c c{\'a}c c{\h a}m bi?n {\dj}o bi?n d{\d a}ng d{\h a}i r?ng s? d{\d u}ng ch?t l{\h o}ng ion. H? th?ng m{\d a}ch {\dj}o {\dj}??c thi?t k? d?a tr{\^e}n ph??ng ph{\'a}p {\dj}o 4 {\dj}i?m. M?t t{\'i}n hi?u h{\`i}nh sine {\dj}??c t{\d a}o ra b?i m{\d a}ch c?u Wien {\dj}i qua ngu?n d{\`o}ng Howland tr??c khi {\dj}??c {\dj}?a {\dj}?n hai {\dj}?u c{\h u}a c{\h a}m bi?n. {\DJ}i?n tr? c{\h u}a c{\h a}m bi?n {\dj}??c x{\'a}c {\dj}{\d i}nh th{\^o}ng qua gi{\'a} tr{\d i} {\dj}i?n {\'a}p {\dj}o {\dj}??c tr{\^e}n hai {\dj}?u c{\h a}m bi?n v{\`a} gi{\'a} tr{\d i} c{\h u}a d{\`o}ng {\dj}i?n {\dj}{\~a} {\dj}??c c{\`a}i {\dj}?t t? ngu?n d{\`o}ng Howland. M?t vi {\dj}i?u khi?n {\dj}??c s? d{\d u}ng {\dj}? hi?n th{\d i} v{\`a} thu th?p d? li?u th{\^o}ng qua module Bluetooth th??ng m{\d a}i gi{\'a} r{\h e}. Ho{\d a}t {\dj}?ng c{\h u}a h? {\dj}o {\dj}??c m{\^o} ph{\h o}ng tr{\^e}n ph?n m?m m{\^o} ph{\h o}ng Multisim v{\`a} th?c nghi?m th?c t? cho k?t qu{\h a} {\dj}i?n tr? {\dj}o {\dj}??c c{\'o} {\dj}? ch{\'i}nh x{\'a}c cao (99.51\%), h? th?ng c{\'o} d{\h a}i {\dj}o l?n (0 ? 700k?) v{\`a} d{\h a}i t?n l{\`a}m vi?c r?ng (0 ? 200kHz). H? th?ng m{\d a}ch {\dj}o {\dj}??c ch? t{\d a}o v{\`a} k?t n?i v?i c{\h a}m bi?n {\dj}o bi?n d{\d a}ng d{\h a}i r?ng d?a tr{\^e}n ch?t l{\h o}ng ion ?ng d{\d u}ng cho c{\'a}c thi?t b{\d i} m?c {\dj}??c (wearable). K?t qu{\h a} th?c nghi?m ch?ng t{\h o} h? th?ng {\dj}{\~a} ph{\'a}t tri?n nh{\h o} g{\d o}n, l{\`a}m vi?c ?n {\dj}{\d i}nh, {\dj}{\'a}p ?ng b{\`a}i to{\'a}n {\dj}o l??ng cho c{\h a}m bi?n bi?n d{\d a}ng s? d{\d u}ng cho c{\'a}c ?ng d{\d u}ng th?c t?.}
}