Results 111 to 120 of about 20,051 (350)

Design and verification of novel powertrain management for multi-geared battery electric vehicles [PDF]

open access: yes, 2016
University of Technology Sydney. Faculty of Engineering and Information Technology.Despite the long-term benefit of battery electric vehicles (BEVs) to customers and the environment, the initial cost and limited driving range present the significant ...
Ruan, Jiageng
core  

Chromatic‐Invariant Photothermal Fabrics Enabled by Narrow‐Bandgap Organic Semiconductors for Wearable Solar Energy Harvesting

open access: yesAdvanced Materials, EarlyView.
A chromatic‐invariant photothermal fabric is fabricated for outdoor activewear, realizing 4°C–8°C heating within 5 min under 1000 W m−2 illumination via NIR absorption, retaining high visible‐light reflectivity and original fabric functions, and achieving >95.3% sterilization in 20 min.
Jingshuai Zhu   +6 more
wiley   +1 more source

Modeling and Simulation of Dual Clutch Joint Start Control of Wet DCT

open access: yesJixie chuandong, 2019
According to the engagement characteristics of wet clutch, average Reynolds equation and elastic contact model of two rough surfaces are applied to establish a dynamic transfer torque model for wet clutch engagement. Dynamics model of joint start for wet
Zhenyu Li   +3 more
doaj  

Study on the Analysis and Optimization of Starting Control Strategy of Wet Dual Clutch Transmission

open access: yesJixie chuandong, 2020
Through building the dynamics model of the wet dual clutch transmission, and analyzing the starting control strategy, a method of dynamically adjusting the starting target speed is proposed.
Bingyu Zhang
doaj  

Development and experimental validation of a low-frequency dynamic model for a Hybrid Electric Vehicle [PDF]

open access: yes, 2012
This paper describes the development and experimental validation of a high-fidelity Hybrid Electric Vehicle (HEV) simulator that enables testing and calibration of energy management and driveline control strategies.
Galvagno, Enrico   +3 more
core   +1 more source

Hydro‐Torsional Compaction for Scalable Production of Aramid Nanofiber Threads with Densely Assembled Double‐Helical Nanostructures

open access: yesAdvanced Materials, EarlyView.
This paper introduces a scalable strategy for producing hierarchically aligned PBDT threads through wet‐spinning, controlled drawing, and post‐spinning twisting. Ionic crosslinking reinforces structural stability, whereas alignment and twisting optimize mechanical performance.
Woojae Jeong   +5 more
wiley   +1 more source

Concepts for Multi-Speed Rotorcraft Drive System - Status of Design and Testing at NASA GRC [PDF]

open access: yes
In several studies and on-going developments for advanced rotorcraft, the need for variable/multi-speed capable rotors has been raised. Speed changes of up to 50 percent have been proposed for future rotorcraft to improve vehicle performance.
Handschuh, Robert F.   +2 more
core   +1 more source

Lattice Structures for Bone Replacement: The Intersection of Bone Biomechanics, Lattice Design, and Additive Manufacturing

open access: yesAdvanced Materials Technologies, EarlyView.
This review outlines how understanding bone's biology, hierarchical architecture, and mechanical anisotropy informs the design of lattice structures that replicate bone morphology and mechanical behavior. Additive manufacturing enables the fabrication of orthopedic implants that incorporate such structures using a range of engineering materials ...
Stylianos Kechagias   +4 more
wiley   +1 more source

Anti‐Slip Material‐Based Strategies and Approaches

open access: yesAdvanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani   +3 more
wiley   +1 more source

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