Results 31 to 40 of about 772 (221)

Design and Manufacturing of Harmonic Drive Flexible Gear on the Principle or Converted Engagement Reappearance

open access: yesJixie chuandong, 1995
In this paper the ″Principle of Converted Engagement Reappearance″ is discussed.(1) The realization of generating manufacturing flexible gear under the deformation condition which is equal to that of flexible gear engaged with rigid gear without load;(2)
Tong Shimao.
doaj  

Research on Vibration Characteristics of Electric Drive Systems Based on Open-Phase Self-Fault-Tolerant Control

open access: yesApplied Sciences
This paper presents an electromechanical coupling model integrating an equivalent magnetic network (EMN) model of a dual three-phase permanent magnet synchronous motor (DTP-PMSM) with the dynamic model of a helical planetary gear transmission system ...
Wenyu Bai   +4 more
doaj   +1 more source

From Policy Presence to Policy Performance: Adaptive Improvisation and the Everyday Politics of Plastic Burning Bans in Rural Indonesia

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Open burning plastics is a major environmental health hazard in low‐ and middle‐income countries, releasing toxic pollutants and exacerbating climate change. Although Indonesia prohibits plastic burning, enforcement in rural settings remains fragile.
Sujarwoto Sujarwoto   +3 more
wiley   +1 more source

Electromechanical Coupling Dynamic Characteristics of Differential Speed Regulation System Considering Inverter Harmonics Under Variable Operating Conditions

open access: yesIEEE Access, 2022
The differential speed regulation system driven by inverters, motors and differential gear trains is a complex electromechanical system that achieves speed regulation and energy savings efficiently and economically.
Dianrui Wang   +4 more
doaj   +1 more source

Comparative Study of Electric Vehicle Propulsion Systems Using Field‐Oriented Controlled Dual PMSMs With Novel Control Strategies Based on an EPS Filter and a Fuzzy Logic Regulator for Enhanced Stability and Safety

open access: yesEnergy Science &Engineering, EarlyView.
The growing demand for electric vehicles (EVs) has driven research into improving propulsion control systems, focusing on performance, efficiency, and safety. This study addresses a gap in advanced control systems for EV differentials and presents two solutions.
Rachad Moumni   +7 more
wiley   +1 more source

Design and Analysis of Double Circular Arc Tooth Profile of Harmonic Drive

open access: yesJixie chuandong, 2015
The double circular arc tooth profile of harmonic drive has a significant impact on the performance of gear transmission,based on the kinematics of harmonic gearing theory,the common tangent double circular arc tooth profile that suitable for harmonic ...
Zhou Linyu
doaj  

A Hybrid Multistep Procedure for the Vibroacoustic Simulation of Noise Emission from Wind Turbines

open access: yesAcoustics, 2022
This paper proposes an efficient hybrid analytical-computational approach for the simulation of mechanical vibrations and sound radiation in wind turbine drive trains.The computational procedure encompasses the detailed modeling of vibrational sources ...
Marc Zarnekow   +2 more
doaj   +1 more source

Harmonic Drive Gear Failures in Industrial Robots Applications: An Overview

open access: yesPHM Society European Conference, 2021
Industrial robots play a key role in production lines. As a direct consequence, even a slight degradation of their operating conditions could negatively affect the entire manufacturing process. To minimize economical losses, preventive measures such as planned maintenance or stand-by working stations are adopted and, in some cases, additional ...
Andrea Raviola   +5 more
openaire   +1 more source

Talent Management in SMEs: Unraveling the Role of Contextual Factors

open access: yesHuman Resource Development Quarterly, EarlyView.
ABSTRACT Employing a multiple case study analysis, this paper explores the contextual factors—internal, external, and relational—that affect small and medium‐sized enterprises (SMEs) in designing their approaches to talent management (TM). Results underscore the significance of two prominent internal variables—namely, organizational size and ownership ...
Franca Cantoni   +2 more
wiley   +1 more source

Teeth Surface Equation of the Mesh Pair for Asymmetrical Tooth of Oscillating Teeth End Face Harmonic Gear

open access: yesJixie chuandong, 2017
The structure of oscillating teeth end face harmonic gear is introduced on the basis of introducing the asymmetrical coefficient for describing the degree of tooth asymmetry.
Li Fei   +3 more
doaj  

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