Results 61 to 70 of about 44,208 (254)
Polymer International, EarlyView.An overview and categorization of man‐made per‐ or polyfluoroalkyl substances (PFASs) including low‐molar‐mass and high‐molar‐mass fluorochemicals, and their international regulations is presented. Though certain PFASs are toxic, bioaccumulative and cross the human cellular membranes, others, such as fluoropolymers, are safe, reliable and involved in ...
Bruno Améduri
wiley +1 more source
Topology Analysis of Bicycle Rim Brake Pad to Improve Braking Performance
MATEC Web of Conferences, 2018 Various parameters of rubber brake pad tribology will affect the braking performance of a rim brake system of a bicycle. Out of those, three main parameters are contact length of brake pad, surface topology of friction surface, and the thickness of rim ...
Keong Le-Onn, Teoh Choe-Yung
doaj +1 more source
The Structure Design and Optimization of Electromagnetic-Mechanical Wedge Brake System
IEEE Access, 2020 The electromagnetic-mechanical wedge brake system (EMWB) is a new structure designed for brake-by-wire system. This structure is composed of a DC motor, an electromagnet device, two wedges, two friction plates, a rotating rod and a brake disk.
Ming Yao +4 more
doaj +1 more source
Journal of Field Robotics, EarlyView.ABSTRACT Planetary exploration is rapidly gaining importance within the space research community. Autonomous locomotion of rovers requires consideration of several mobility aspects to ensure safety, including avoiding hazardous areas that can cause the robot to become immobilized in soft soil or damaged in sharp terrains.
Alessio De Luca +3 more
wiley +1 more source
Наукові доповіді Національного університету біоресурсів і природокористування УкраїниBrake pads are a critical element of any machine, as they directly affect the safety of its use. Accordingly, the quality of brake pads, their resistance, and durability are key aspects that must be considered when developing braking systems for mobile ...
A. Zagurskiy
doaj +1 more source
Design oriented simulation of contact-friction instabilities in application to realistic brake assemblies [PDF]
, 2010 This paper presents advances in non-linear simulations for systems with contact-friction, with an application to brake squeal. A method is proposed to orient component structural modifications from brake assembly simulations in the frequency and time ...
BALMES, Etienne +3 more
core +3 more sources
From 0D to 3D liquid crystal elastomers architectures: Fabrications and applications
Responsive Materials, EarlyView.This review presents a dimension‐oriented overview of liquid crystal elastomers (LCEs), highlighting their molecular alignment, fabrication strategies, and programmable deformations from 0D particles to 3D architectures. Emphasis is placed on how dimensionality guides design principles, enables diverse actuation modes, and bridges fundamental ...
Mingxuan Liu +8 more
wiley +1 more source
Time/frequency analysis of contact-friction instabilities. Application to automotive brake squeal. [PDF]
, 2010 Robust design of silent brakes is a current industrial challenge. Braking systems enter in the more general context of unstable systems featuring contact friction interaction.
BALMES, Etienne +3 more
core +2 more sources
Key Technical Fields and Future Outlooks of Space Manipulators: A Survey
SmartBot, EarlyView.This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen +12 more
wiley +1 more source
Development of three phase back to back converter with current flow control using raspberry Pi microcontroller [PDF]
, 2015 A High-Voltage Direct Current (HVDC) electric power transmission system uses direct current form the bulk transmission of electrical power, in contrast with the common Alternating Current (AC) systems.
Mamat, Ibrahim
core