Frontiers of Mechanical Engineering
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A brief review on key technologies in the battery management system of electric vehicles
Frontiers of Mechanical Engineering - Tập 14 - Trang 47-64 - 2018
Batteries have been widely applied in many high-power applications, such as
electric vehicles (EVs) and hybrid electric vehicles, where a suitable battery
management system (BMS) is vital in ensuring safe and reliable operation of
batteries. This paper aims to give a brief review on several key technologies of
BMS, including battery modelling, state estimation and battery charging. First,
popular ...
Design and analysis of a class of redundant collaborative manipulators with 2D large rotational angles
Frontiers of Mechanical Engineering - Tập 15 - Trang 66-80 - 2019
The parallel spindle heads with high rotational capability are demanded in the
area of multi-axis machine tools and 3D printers. This paper focuses on
designing a class of 2R1T (R: Rotation; T: Translation) parallel spindle heads
and the corresponding collaborative 5-axis manipulators with 2-dimension (2D)
large rotational angles. In order to construct 2D rotational degrees of freedom
(DOFs), a pl...
Analysis of dispatching rules in a stochastic dynamic job shop manufacturing system with sequence-dependent setup times
Frontiers of Mechanical Engineering - Tập 9 - Trang 380-389 - 2014
Stochastic dynamic job shop scheduling problem with consideration of
sequence-dependent setup times are among the most difficult classes of
scheduling problems. This paper assesses the performance of nine dispatching
rules in such shop from makespan, mean flow time, maximum flow time, mean
tardiness, maximum tardiness, number of tardy jobs, total setups and mean setup
time performance measures vie...
Creating technical heritage object replicas in a virtual environment
Frontiers of Mechanical Engineering - Tập 11 - Trang 108-115 - 2016
The paper presents innovative informatics methods for creating virtual technical
heritage replicas, which are of significant scientific and practical importance
not only to researchers but to the public in general. By performing 3D modeling
and animation of aircrafts, spaceships, architectural-engineering buildings, and
other technical objects, the process of learning is achieved while promoting t...
Effects of taping on grinding quality of silicon wafers in backgrinding
Frontiers of Mechanical Engineering - Tập 16 - Trang 559-569 - 2021
Taping is often used to protect patterned wafers and reduce fragmentation during
backgrinding of silicon wafers. Grinding experiments using coarse and fine
resinbond diamond grinding wheels were performed on silicon wafers with tapes of
different thicknesses to investigate the effects of taping on peak-to-valley
(PV), surface roughness, and subsurface damage of silicon wafers after grinding.
Resul...
Hole quality in longitudinal–torsional coupled ultrasonic vibration assisted drilling of carbon fiber reinforced plastics
Frontiers of Mechanical Engineering - Tập 15 - Trang 538-546 - 2020
Carbon fiber reinforced plastic (CFRP) composites are extremely attractive in
the manufacturing of structural and functional components in the aircraft
manufacturing field due to their outstanding properties, such as good fatigue
resistance, high specific stiffness/strength, and good shock absorption.
However, because of their inherent anisotropy, low interlamination strength, and
abrasive charact...
Piezoelectric inertial robot for operating in small pipelines based on stick-slip mechanism: modeling and experiment
Frontiers of Mechanical Engineering - Tập 17 - Trang 1-16 - 2022
Small pipes exist in industrial and biomedical fields, and require microrobots
with high operational precision and large load capacity to inspect or perform
functional tasks. A piezoelectric inertial pipeline robot using a “stick-slip”
mechanism was proposed to address this requirement. In this study, the driving
principle of the proposed robot was analyzed, and the strategy of the design
scheme w...
Laser sintering of Cu nanoparticles on PET polymer substrate for printed electronics at different wavelengths and process conditions
Frontiers of Mechanical Engineering - Tập 15 - Trang 303-318 - 2019
This study explores the feasibility of different laser systems to sinter
screen-printed lines from nonconductive copper nanoparticles (Cu NPs) on
polyethylene terephthalate polymer film. These materials are commonly used in
manufacturing functional printed electronics for large-area applications. Here,
optical and thermal characterization of the materials is conducted to identify
suitable laser so...
Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll-pitch-yaw spherical wrist
Frontiers of Mechanical Engineering - Tập 16 - Trang 698-710 - 2021
The demand for redundant hydraulic manipulators that can implement complex
heavy-duty tasks in unstructured areas is increasing; however, current
manipulator layouts that remarkably differ from human arms make intuitive
kinematic operation challenging to achieve. This study proposes a
seven-degree-of-freedom (7-DOF) redundant anthropomorphic hydraulically actuated
manipulator with a novel roll-pit...
Buckling optimization of curvilinear fiber-reinforced composite structures using a parametric level set method
Frontiers of Mechanical Engineering - - 2024
Owing to their excellent performance and large design space, curvilinear
fiber-reinforced composite structures have gained considerable attention in
engineering fields such as aerospace and automobile. In addition to the
stiffness and strength of such structures, their stability also needs to be
taken into account in the design. This study proposes a level-set-based
optimization framework for maxi...
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