Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Chung Ping Chang"'
Publikováno v:
Tehnički Glasnik, Vol 17, Iss 2, Pp 268-272 (2023)
This study proposes a method for maintaining parallelism of the optical cavity of a laser interferometer using machine learning. The Fabry-Perot interferometer is utilized as an experimental optical structure in this research due to its advantage of
Externí odkaz:
https://doaj.org/article/f52dd4f72d5d4412b46226361ba27634
Publikováno v:
Tehnički Glasnik, Vol 16, Iss 3, Pp 420-425 (2022)
This research develops a three degrees of freedom (DOF) measurement system by integrating Fabry-Perot interferometer and photoelectronic inspection module to determine linear displacement, horizontal and vertical straightness geometric error paramete
Externí odkaz:
https://doaj.org/article/47f2f078a124425e9961a3eee1a61305
Publikováno v:
Machines, Vol 11, Iss 6, p 668 (2023)
In this research, we propose a method that utilizes machine learning to maintain the parallelism of the resonant cavity in a Fabry–Perot interferometer designed specifically for glass substrates. Based on the optical principle and theory, we establ
Externí odkaz:
https://doaj.org/article/00d821e8cbcc458e9042df0f30474315
Publikováno v:
Micromachines, Vol 14, Iss 3, p 696 (2023)
Laser interferometer technology is used in the precision positioning stage as an encoder. For better resolution, laser interferometers usually work with interpolation devices. According to the interpolation factor, these devices can convert an orthog
Externí odkaz:
https://doaj.org/article/1ecfd815fcfe48369489e28c11f04561
Publikováno v:
Sensor Review. 43:221-230
Purpose In this investigation, a linear encoder system based on the ultrasonic transducer has been proposed. Ultrasonic transducers are usually designed for distance measurements, such as the time of flight method and sonar system. These applications
Publikováno v:
Sensors, Vol 21, Iss 17, p 5775 (2021)
This investigation develops a laser encoder system based on a heterodyne laser interferometer. For eliminating geometric errors, the optical structure of the proposed encoder system was carried out with the internal zero-point method. The designed st
Externí odkaz:
https://doaj.org/article/d411ba44bb844ba8ba5d9d56a0c27ac2
Autor:
Chun-Hung Chen, Chung-Ping Chang, Tzu-Tung Lin, Van-Hoa Nguyen, Shyi-Dong Yeh, Thi-Thu-Yen Tran
Publikováno v:
Phytopathology®. 112:708-719
Papaya ringspot virus (PRSV) causes severe damage to papaya (Carica papaya L.) and is the primary limiting factor for papaya production worldwide. A nitrous acid-induced mild strain, PRSV HA 5-1, derived from Hawaii strain HA, has been applied to con
Autor:
Yi-Chieh Shih, Pi-Cheng Tung, Wen-Yuh Jywe, Chung-Ping Chang, Lih-Horng Shyu, Tung-Hsien Hsieh
Publikováno v:
Applied Sciences, Vol 10, Iss 18, p 6191 (2020)
Due to the common path structure being insensitive to the environmental disturbances, relevant Fabry–Pérot interferometers have been presented for displacement measurement. However, the discontinuous signal distribution exists in the conventional
Externí odkaz:
https://doaj.org/article/2f1ce525129d4676afd3f5504d25b082
Publikováno v:
International Journal of Automation and Smart Technology, Vol 4, Iss 3, Pp 163-167 (2014)
A proposed optomechatronic module is intended for the automatic and efficient calibration procedure of compact autocollimators utilized for high precision angle measurement. Conventional autocollimators have the disadvantages, e.g. the large volume a
Externí odkaz:
https://doaj.org/article/687185bebbbf4faa86f5b2c7810b744d
Publikováno v:
Sensors, Vol 10, Iss 4, Pp 2577-2586 (2010)
The optical structure of general commercial interferometers, e.g., the Michelson interferometers, is based on a non-common optical path. Such interferometers suffer from environmental effects because of the different phase changes induced in differen
Externí odkaz:
https://doaj.org/article/ddc5e69b797c4f86a35b7925c82dc6d0