Results 11 to 20 of about 5,372 (187)

Water stress: Opportunities for supply chain research

Production and Operations Management, EarlyView., 2023
Abstract Driven by climate change and overuse, water stress is a worsening sustainability concern that threatens businesses and communities across the globe. Leading global organizations such as the United Nations have expressed an urgent need for sustainable water management strategies across nations and economies.
Dustin Cole, Sriram Narayanan, Elizabeth Connors, Meenu Tewari, Kyle Onda   +4 more
wiley   +1 more source

Study on On-line Detection Method of Heavy Duty Truck Gearbox Assembly Quality based on Wavelet Analysis

Jixie chuandong, 2021
In order to determine the assembly quality of a certain type of gearbox， the common assembly faults of gearbox are briefly introduced based on the internal structure of gearbox， the characteristics frequencies of common faults of each gear and bearing in
Zheng Zou, Rupeng Cao, Qing Qu, Zhezhan Tang, Kangqu Zhou, Wei Chen   +5 more
doaj  

Dynamic Reliability Evaluation of High-Speed Train Gearbox Based on Copula Function

IEEE Access, 2022
As a key component of the high-speed train transmission system, the reliability of the gearbox directly affects the reliability and driving safety of the high-speed train.
Yumei Liu, Yun Chen
doaj   +1 more source

Modeling of Wind Turbine Gearbox Mounting [PDF]

Modeling, Identification and Control, 2011
In this paper three bushing models are evaluated to find a best practice in modeling the mounting of wind turbine gearboxes. Parameter identification on measurements has been used to determine the bushing parameters for dynamic simulation of a gearbox ...
Morten K. Ebbesen, Morten Haastrup, Michael R. Hansen   +2 more
doaj   +1 more source

Vehicle Planetary Gearbox Simulation

Logi, 2018
This article is about design and calculation of planetary gearbox which can be used in transport applications. The gearbox is designed with respect to the input parameters. The gearbox has two planetary gears.
Gajdosik Tomas, Brumercik Frantisek, Lukac Michal, Drozdziel Pawel   +3 more
doaj   +1 more source

Vibration Performance of Traction Gearbox of a High-Speed Train: Theoretical Analysis and Experiments

Actuators, 2023
The gearbox is the key component of the traction drive system of a high-speed train. At the same time, the traction gearbox can easily experience a box housing failure due to bearing internal excitation from gear meshing and external excitation from ...
Wangang Zhu, Hao Lin, Wei Sun, Jing Wei
doaj   +1 more source

Study on the flow field and structural stress field of the primary retarder considering the throttling characteristics of the valve

Advances in Mechanical Engineering
The valve plays an important role in the control of the filling rate ( q fill ) and braking characteristics of the hydrodynamic retarder (HR). However, the dynamic throttling characteristics of the valve were rarely considered in previous studies ...
Huanhui Zhou, Zilin Ran, Hu Dai, Weida Yang, Xianwei Chen   +4 more
doaj   +1 more source

Planetary Gearbox Vibration Signal Characteristics Analysis and Fault Diagnosis

Shock and Vibration, 2015
Planetary gearboxes are widely used in helicopters, wind turbines, mining machinery, and so forth. The structure and motion type of a planetary gearbox are more complex in comparison with a fixed-shaft one, which makes condition monitoring and fault ...
Qiang Miao, Qinghua Zhou
doaj   +1 more source

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

Advanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds, Donan Satria Yudha, Parvez Alam   +2 more
wiley   +1 more source

Numerical simulation of time-invariant error and its effect on planetary gearbox dynamics

MATEC Web of Conferences, 2018
Planetary gearbox is used in high precision applications such as robotic arm, control system of antenna, positioning and radar tracking systems. Planetary gearbox have high torque-to-weight ratio, high degree of control over the speed range and better ...
Venkataram Nithin, Cadambi Rahul M., Rao Arun R.   +2 more
doaj   +2 more sources