Flat optical frequency comb generation employing cascaded dual-drive Mach-Zehnder modulators
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103152
Abstract: Abstract The generation of flat optical frequency comb lines (OFCL) of 10 GHz frequency spacing is proposed and demonstrated theoretically employing Dual-Drive Mach Zehnder modulators (DD-MZMs). A theoretical analysis is carried out for ultra flat spectra… read more here.
Keywords: frequency; optical frequency; dual drive; flatness ... See more keywords
A dual-drive four joint time-sharing control walking power-assisted flexible exoskeleton robot system
Sign Up to like & getrecommendations! Published in 2022 at "Robotica"
DOI: 10.1017/s0263574722000704
Abstract: Abstract Exoskeleton robot can assist people and reduce energy consumption when they walk with heavy weight, so as to protect their health and travel longer distances. This work analyzes the cross gait during walking and… read more here.
Keywords: system; drive four; control; exoskeleton robot ... See more keywords
High performance photonic microwave frequency down-conversion using a dual-drive dual-parallel Mach-Zehnder modulator
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2018.1512677
Abstract: ABSTRACT Photonic microwave frequency down-conversion based on carrier suppression single sideband (CS-SSB) modulation via an integrated dual-drive dual-parallel Mach-Zehnder modulator (DP-MZM) is proposed. The MZM on the up path of the DP-MZM is used to… read more here.
Keywords: photonic microwave; microwave frequency; frequency; frequency conversion ... See more keywords
RBF Neural Network-Based Adaptive Robust Synchronization Control of Dual Drive Gantry Stage With Rotational Coupling Dynamics
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Automation Science and Engineering"
DOI: 10.1109/tase.2022.3177540
Abstract: As a typical mechatronics system, dual drive gantry stage has been widely used in high-end intelligent equipment. In this paper, an adaptive robust synchronization control scheme based on RBF neural network is presented to improve… read more here.
Keywords: system; drive gantry; gantry; control ... See more keywords
A Novel Adaptive Jerk Control With Application to Large Workspace Tracking on a Flexure-Linked Dual-Drive Gantry
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2018.2870391
Abstract: In this work, the design of a novel the flexure-linked dual-drive H-gantry is first introduced. Compared to conventional stacked X–Y tables, the advantages of this gantry are on decoupled X–Y actuation, better mechanical reliability, larger… read more here.
Keywords: workspace; flexure linked; linked dual; dual drive ... See more keywords
Modeling and Synchronization Control of a Dual Drive Industrial Gantry Stage
Sign Up to like & getrecommendations! Published in 2018 at "IEEE/ASME Transactions on Mechatronics"
DOI: 10.1109/tmech.2018.2874876
Abstract: Dual drive gantry mechanisms, in which two actuators are physically connected through a crossbeam to provide a joint thrust for higher acceleration, are widely used in high-speed or heavy payload precision motion control applications. Synchronizing… read more here.
Keywords: control; synchronization control; dual drive; synchronization ... See more keywords
Master-Slave Synchronous Control of Dual-Drive Gantry Stage With Cogging Force Compensation
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Systems, Man, and Cybernetics: Systems"
DOI: 10.1109/tsmc.2022.3176952
Abstract: Dual-drive gantry stage has been widely applied to various industrial manufacturing fields with its unique structural advantages, and the synchronous control accuracy of the platform is crucial to the performance of the whole motion system.… read more here.
Keywords: drive gantry; gantry; control; synchronous control ... See more keywords
Kinetostatic Modeling of Dual-Drive H-Type Gantry With Exchangeable Flexure Joints
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Mechanisms and Robotics"
DOI: 10.1115/1.4050830
Abstract: The flexure joints are proposed to replace the rigid assembly between the cross-arm and the moving carriages of dual-drive H-type gantry (DHG) for higher reliability and fine rotational alignments. In the literature, the flexure joint… read more here.
Keywords: drive type; dual drive; model; type gantry ... See more keywords
A method to improve position accuracy for the dual-drive feed machines by state-dependent friction compensation
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture"
DOI: 10.1177/09544054221076233
Abstract: Due to high stiffness and quick response, dual-drive feed machines (DDFMs) are widely used in many precision CNC machines. The tracking errors of the two feed drives directly determine the machines’ accuracy. The performance of… read more here.
Keywords: accuracy; feed; friction; compensation ... See more keywords
Ultrahigh-linearity dual-drive scheme using a single silicon modulator.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.492756
Abstract: Here, a high-linearity dual-drive scheme using a single silicon dual-drive Mach-Zehnder modulator is presented. The bias voltages and RF amplitudes of the two driving arms are adjusted such that the nonlinearity of the transfer function… read more here.
Keywords: drive scheme; linearity dual; scheme; silicon ... See more keywords
Modeling Dual-Drive Gantry Stages with Heavy-Load and Optimal Synchronous Controls with Force-Feed-Forward Decoupling
Sign Up to like & getrecommendations! Published in 2022 at "Entropy"
DOI: 10.3390/e24081153
Abstract: The application of precision dual-drive gantry stages in intelligent manufacturing is increasing. However, the loads of dual drive motors can be severely inconsistent due to the movement of heavy loads on the horizontal crossbeam, resulting… read more here.
Keywords: gantry stages; drive gantry; heavy load; drive ... See more keywords