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Optimization and validation of traction performance for an eight-axle heavy-haul locomotive during gradient starting [PDF]
Scientific ReportsTo validate the traction performance of two newly developed eight-axle heavy-haul electric locomotives prior to their formal commissioning, a restart test was carried out. The test required each locomotive to individually initiate movement of a 4,700-ton
Yongfeng Liu +3 more
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Adhesion Utilization Control of SDA1 AC Drive Diesel Locomotive Based on Speed Radar
机车电传动, 2012 According to the high requirements on adhesion utilization control performance of SDA1 AC drive diesel locomotive, a scheme of adhesion utilization control based on speed radar was presented, principle and realization approach of which was introduced ...
CHEN Hua-guo +3 more
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Research and Application of Adhesion Utilization Control for High Power AC Freight Locomotive HXD1C
机车电传动, 2011 Introduction was given to the adhesion utilization control system of the high power AC locomotive HXD1C. And field sampled data of the adhesion utilization control for the locomotive HXD1C were fully analyzed, which demonstrates the effectiveness of the ...
李江红 +4 more
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Research and Improvement of Adhesion Utilization Control for HXD1C Locomotive
机车电传动, 2011 To settle several problems of locomotive HXD1C from actual operation on Lanzhou railway line, improved adhesion utilization control software for the locomotive was presented.
张建伯, 曾云
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European Journal of Pharmaceutical Sciences, 2021 The purpose of present study was to develop a long-acting drug-in-adhesive patch of rivastigmine (RVS) to achieve controlled release under high drug loading. Formulation factors including ion-pair, pressure sensitive adhesive (PSA), drug-loading and permeation enhancers were investigated through in vitro skin permeation experiments. Optimized patch was
Yu, Cai +3 more
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Multicomponent Raw Mixes for Autoclave Products with Improved Properties [PDF]
E3S Web of Conferences, 2023 This article discusses a method for solving the problem of increasing the adhesion strength of silicate brick to peel with masonry mortars based on a study of the work of scientists in this direction, the physicomechanical properties of currently ...
Rakhimov R. +3 more
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Train optimal slip rate anti-skid control based on parameter estimation [PDF]
AIP AdvancesSince existing train braking anti-slip control strategies struggle to fully utilize rail adhesion, this study focuses on rail vehicle air brake systems. Based on wheel–rail adhesion–slip characteristics and online parameter estimation theory, this study ...
Hanbin Wang +5 more
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Research on electro-pneumatic braking force optimization distribution for electric multiple unit [PDF]
Jisuanji gongcheng, 2018 For the problem that the Electric Multiple Unit(EMU) electro-pneumatic braking force distribution control strategy has less considered there are differences in the adhesion limit of each vehicle,this paper proposes an optimization control algorithm of ...
HE Jing,SHI Laicheng,ZHANG Changfan
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Analysis of wheel-rail adhesion redundancy considering the third-body medium on the rail surface [PDF]
Railway SciencesPurpose – In response to the problem of insufficient traction/braking adhesion force caused by the existence of the third-body medium on the rail surface, this study aims to analyze the utilization of wheel-rail adhesion coefficient under different ...
Chun Tian +4 more
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Journal of Advanced Transportation, 2019 An optimal utilization of adhesion force based on extremum seeking with sliding mode (SMES) and asymmetric barrier Lyapunov function (ABLF) is proposed for heavy-haul electric locomotives (HHELs), which can eliminate the wheel skidding at optimal ...
Kaihui Zhao +5 more
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