Results 1 to 10 of about 1,567,317 (168)
Injection of Viscous Micro-Droplet via Nozzle-Driven Piezoelectric Micro-Jet and Its Performance Control Method [PDF]
Micromachines, 2023 The inkjet printing technology based on piezoelectric micro-jets can effectively realize the efficient and high-precision processing of special-shaped structures. In this work, a nozzle-driven piezoelectric micro-jet device is proposed, and its structure
Ti-Yuan Shan +4 more
doaj +2 more sources
Application of a method for student academic performance control [PDF]
E3S Web of Conferences, 2023 A method for monitoring the results of academic performance of students in a mathematical discipline is considered. As part of the monitoring method, a mathematics testing system was developed, implemented on the basis of the Moodle distance learning ...
Kudarov R. +2 more
doaj +1 more source
Research on Self-Priming Piezoelectric Microjet and Its Ejection Performance Control
Actuators, 2023 The inkjet printing technology, based on piezoelectric microjet, realizes the high-efficiency processing of special-shaped structures, and has the advantages of high precision, high efficiency, and the ability to manufacture arbitrary complex parts.
Tiyuan Shan +4 more
doaj +1 more source
A performance monitoring method for PID control system [PDF]
E3S Web of Conferences, 2019 The change of plant dynamics results in mismatch between the current model and the model used for design, which may have significant impacts on the performance of control system.
Chen Wei, Wang Peihong, Dong Yihua
doaj +1 more source
A Survey on Control Methods for Virtual Coupling in Railway Operation
IEEE Open Journal of Intelligent Transportation Systems, 2022 In order to meet the rapid growth of railway transportation demand, the technology that can improve its capacity has been widely concerned. Virtual Coupling (VC) is a new technology to improve capacity by decreasing headways between successive trains ...
Jing Xun +4 more
doaj +1 more source
Adaptive Sliding Mode Attitude-Tracking Control of Spacecraft with Prescribed Time Performance
Mathematics, 2022 In this article, a novel finite-time attitude-tracking control scheme is proposed by using the prescribed performance control (PPC) method for the spacecraft system under the external disturbance and an uncertain inertia matrix. First, a novel polynomial
Runze Chen, Zhenling Wang, Weiwei Che
doaj +1 more source
Advances in Mechanical Engineering, 2022 Integrated electro-mechanical actuators (EMAs) are widely used in cooperative robots. Their control system has to be carefully designed to achieve a desirable performance.
Zhaoyao Shi, Pan Zhang, Jiachun Lin
doaj +1 more source
Brazilian Political Science Review, 2023 This article evaluates the effects of two educational policies implemented in the Brazilian state of Ceará. The first was a tax incentive (TI) for mayors to improve municipal education.
Bruno Gaparotto Ponne
doaj +1 more source
PENINGKATAN KINERJA PERSEDIAAN PRODUK DI PT. PROPAN RAYA I.C.C SURABAYA
Jurnal Ilmiah Teknik Industri, 2013 Inventory control is an internal process that is essential for the company's operations, especially in the field of industrial paints. Many types, colors and sizes of packaging paint often urged companies to hoard supplies.
Yuki Tejo Prakoso, Evi Yuliawati
doaj +3 more sources
Neural Network-Based Joint Velocity Estimation Method for Improving Robot Control Performance
IEEE Access, 2023 Joint velocity estimation is one of the essential properties that implement for accurate robot motion control. Although conventional approaches such as numerical differentiation of position measurements and model-based observers exhibit feasible ...
Dongwhan Kim +4 more
doaj +1 more source