Results 31 to 40 of about 10,463 (163)

Hierachical micro/nano structures fabrication by a novel tri-axial piezoelectric servo system

Materials & Design, 2022
In this study, a novel tri-axial piezoelectric servo system is developed for micro/nano manufacturing considering the stroke, motion resolution, crosstalk, working bandwidth, compact structure, and position and pose modulation capability of cutting tool.
Haiqiang Yu, Jinguo Han, Shiyu Li, Dongpo Zhao, Jinhui Wang, Yebing Tian, Jieqiong Lin   +6 more
doaj   +1 more source

Research on Fatigue Stability of Rocket Launcher High Thrust Electro-mechanical Servo Actuator

Jixie chuandong, 2022
The high thrust electro-mechanical servo actuator in rocket launcher is a linear transmission mechanism with high precision planetary roller screw as its core component.
Jianxin Zhang, Wenzhu Deng, Wei Lei
doaj  

Frequency Domain Design Method of the Aeroengine Fuel Servo Constant Pressure Difference Control System with High Performance

Aerospace, 2022
The constant pressure difference regulating mechanism is widely used in aeroengine fuel servo metering systems, and it almost decides the metering precision.
Wenshuai Zhao, Xi Wang, Yifu Long, Zhenhua Zhou, Linhang Tian   +4 more
doaj   +1 more source

Research and Simulation Analysis of Fuzzy Intelligent Control System Algorithm for a Servo Precision Press

Applied Sciences
With the rapid development of the manufacturing industry toward intelligence and flexibility, traditional mechanical presses are unable to meet the increased stamping requirements due to the difficulties in achieving variable speed control and changing ...
Yanzhong He, Xiang Luo, Xingsong Wang
doaj   +1 more source

Design of an Anthropomorphic, Compliant, and Lightweight Dual Arm for Aerial Manipulation

IEEE Access, 2018
This paper presents an anthropomorphic, compliant and lightweight dual arm manipulator designed and developed for aerial manipulation applications with multi-rotor platforms.
Alejandro Suarez, Guillermo Heredia, Anibal Ollero   +2 more
doaj   +1 more source

Design of High-Dynamic PMSM Servo Drive Using Nonlinear Predictive Controller with Harmonic Disturbance Observer

Energies, 2022
The high-dynamic permanent magnet (PM) motor servo system with high-bandwidth is the core equipment for industrial production, and the control bandwidth is also an important indexes to evaluate the performance of the servo system. The non-cascaded direct
Zhanqing Zhou, Shuaijiang Yao, Chaolei Ma, Guozheng Zhang, Qiang Geng   +4 more
doaj   +1 more source

Model Tests of the Influence of Excavation Unloading and Servo Loading on Subway Foundation Pits

Buildings
In deep foundation pit engineering, the rational arrangement of internal struts plays a crucial role in controlling diaphragm wall displacement and minimizing environmental impacts.
Gang Wei, Weihao Feng, Xuehua Wu, Pengfei Wu, Kuan Chang, Hang Li, Shuaihua Ye, Zhe Wang   +7 more
doaj   +1 more source

Tandem control method of two axes with different reduction ratios (Comparison of three methods for the natural vibration suppression)

Nihon Kikai Gakkai ronbunshu, 2020
Tandem control is the control to drive one load with multiple motors. Its basic method is a common torque method. The common torque method is that the position signal and the rate signal from the motor 1 feedbacks to obtain the torque reference value of ...
Akihiro MAEKAWA, Toshihiro YASUE, Hikaru IIDA, Takumi YAMADA   +3 more
doaj   +1 more source

Development of self-propelled vertical transportation mechanism that grips and runs on rail

Nihon Kikai Gakkai ronbunshu, 2020
In order to realize a high speed and high space use efficiency transportation system in a vertical plane, authors conceived a concept to compose the system by multiple vertical rails and multiple self-propelled loading platforms so that such platforms ...
Takahiro ISHII, Yusuke SUGAHARA, Daisuke MATSUURA, Yukio TAKEDA, Takeshi MATSUMOTO, Daisuke NAKAZAWA   +5 more
doaj   +1 more source

Research of Mechanical Resonance Analysis and Suppression Control Method of the Servo Drive System

Shock and Vibration, 2021
Transmission mechanisms of the servo drive system are not a pure rigid body, and the existence of the elastic transmission mechanisms will make the system generate mechanical resonance.
Wenli Li, Yongkang Liu, Shuaishuai Ge, Daming Liao   +3 more
doaj   +1 more source