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561
Probability Density Evolution Algorithm for Stochastic Dynamical Systems Based on Fractional Calculus
Published 2021-01-01“…Dynamical models of the dynamic system and coupled system “three-car vehicle-rail-bridge” are established, the time-varying differential equations of motion are derived in detail, and the dynamic response of the system is calculated using the explicit Newmark algorithm. …”
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562
Design and Analysis of Clamping Mechanism for Transmission Tower Climbing Robot
Published 2019-01-01“…The clamping hand realizes the grasping of the diagonal steel by the cooperation of the screw jack and the sliding rail, and the abduction mechanism perpendicular to the clamping arm changes the position of the gripping hand by adjusting the exhibition distance thereof, and the V-shaped block on the front end of the ejector mechanism ensures that the robot body is always parallel to the angle. …”
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563
Energy-Efficient Train Operation Using Nature-Inspired Algorithms
Published 2017-01-01“…As a case study a real-like train and test track from a part of Eskisehir light rail network were modeled. Speed limitations, various track alignments, maximum allowable trip time, and changes in train mass were considered, and punctuality was put into objective function as a penalty factor. …”
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564
Modeling Intercity Travel Mode Choice with Data Balance Changes: A Comparative Analysis of Bayesian Logit Model and Artificial Neural Networks
Published 2021-01-01“…The four intercity travel modes of airplane, high-speed rail (HSR), train, and express bus were used for analysis. …”
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565
RESEARCH OF HCF/LCF COMBINED CYCLE FATIGUE EXPERIMENTAL TECHNIQUE FOR BLADE
Published 2020-01-01“…The orthogonal loads decoupling method was proposed based on the cylindrical rolled bearing and linear slide rail,and the coordinated loading control technique of a combined loads was presented by means of an external signal trigger. …”
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566
Understanding the railway driving activity to design HUD: Recommendations and specificities for future light trains
Published 2024-01-01“…As new operating modes emerge for rail transportation, an ergonomics and human factors centered study is essential to ensure that the needs of operators are fully taken into account during this evolution. …”
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567
Study on Failure Boundary of Thermal-scuffing for Heavy Duty Gear Transmission with Variable Speed and Variable Torsion
Published 2021-01-01“…In view of the service characteristics of driving devices such as construction machinery, aerospace, rail transit and electric vehicle in the variable speed and variable torsion, the damage mechanism of thermal-scuffing failure for gear transmission is expounded, the multi factor coupling correlation relationship of thermal-scuffing is constructed, and the influences of transmission torque, gear speed, oil viscosity and oil temperature on the contact temperature for meshing tooth surfaces are analyzed, the corresponding design ideas to improve the thermal-scuffing load capacity is formed. …”
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568
Public-Transportation-Assisted Data Delivery Scheme in Vehicular Delay Tolerant Networks
Published 2012-12-01“…The public transportation vehicles can be categorized into two categories as follows: one with determinate trajectories and schedules such as bus, tramway, and light rail; the other with flexible and variable running paths, such as taxis. …”
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569
Evolution of Longitudinal Resistance Performance of Granular Ballast Track with Durable Dynamic Reciprocated Changes
Published 2018-01-01“…Moreover, this methodology contributes to forming a foundation for an in-depth understanding of the dynamic service performance of ballast CWR tracks and of the stress deformation mechanism of continuously welded rail tracks.…”
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570
STUDY ON FATIGUE LIFE IN FREQUENCY DOMAIN FOR BOGIE FRAME
Published 2016-01-01“…Then,based on the inverse Fourier transform method and cubic spline differential method,rail vertical irregularity and longitudinal irregularity in displacement,velocity and acceleration power spectrum were given,respectively. …”
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571
Dynamic of Friction Coupling Independently Rotating Wheels for High Speed
Published 2017-01-01“…On the straight track, FCIRW has sufficient wheel-rail longitudinal creep force to assist the reset; its critical speed is much higher than that of the rigid wheelset. …”
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572
Research on Partner Selection of High-Speed Railway Dynamic Logistics Alliance Based on the Dynamic Programming Model
Published 2023-01-01“…Selecting partners is crucial to the high-speed rail logistics alliance. This paper uses the methods of multiobjective fuzzy optimization and dynamic programming to conduct multistage optimization of high-speed railway dynamic logistics alliance partners. …”
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573
Ultrasonic Processing Across Different Phases in Laser Welding of Large Thin-Walled Structures
Published 2025-02-01“…In laser welding applications for large structures like oil storage tanks, ships, automobiles, and high-speed rail, effective post-weld heat treatment is challenging because the structures are large and cannot be disassembled. …”
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574
Dimensional Synthesis Design of a Walking Aided Training Robot
Published 2018-01-01“…According to the rotation laws and range of the plantar,the trajectory of restraint guide rail ζof ankle joint attitude restraining mechanism is comprehensively determined,and the effects of confined guide way inclination angle and pedal length on the angle range of ankle joint are analyzed. …”
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575
Apprendre à affronter l’incertitude dès l’école primaire grâce à la discussion à visée philosophique
Published 2016-01-01“…Our review of the means to face the uncertainty (bet, elaborate strategies, ‘problématisation’, philosophize and think the unknown) and of his dimensions (the indecision, the doubt, the chance, the change, the ‘problématicité’, the unknown) allow us to establish railings for interpretating the comments of 6-11-year-old pupils collected during two DVP. …”
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576
Study on the Adaptability of Shield Tunnel Segments Orthogonal Crossing Grade III Loess Ground Fissure Section
Published 2022-01-01“…Taking the Xi’an rail transit line orthogonal crossing the ground fissure section as the engineering background, the structural properties and adaptability of the shield tunnel lining segment under the ground fissure environment are carried out. …”
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577
Research of Curve Passing Performance of Track Car in Vehicle Group Chain Conveyor based on SIMPACK
Published 2020-05-01“…For its essential structure, which is the continuous track group car carrying the conveyor belt and relying on the rail runs. Curve passing performance at curve working conditions is studied. …”
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578
Education in ideological perspective
Published 2024-02-01“…In fact, the polarized schemas of the special group will control the knowledge and social attitude of the activists in the field of education, and by presenting and implementing mental models, it will guide the discourse and actions of the activists in this field, and in case of disharmony, Incompatibility has formed and education is doomed to stagnation.In this regard, the demonstration of the teacher and inclusive of dissent in order to protect himself in the system, and the cost of identifying and keeping him on the manifest rail by the government, will take the energy of the activists in the field of education, and our polarized belief (positive…”
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579
Adaptive Multilevel Collaborative Passenger Flow Control in Peak Hours for a Subway Line
Published 2020-01-01Get full text
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580
Analysis of Foundation Pit Design of Metro Station in Complex Environment
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