Results 111 to 120 of about 15,495,130 (258)

Characterization of the HAYSTAC axion dark matter search cavity using microwave measurement and simulation techniques

open access: yes, 2019
Many searches for axion cold dark matter rely on the use of tunable electromagnetic resonators. Current detectors operate at or near microwave frequencies and use cylindrical cavities with cylindrical tuning rods.
Lewis, Samantha M.   +2 more
core   +1 more source

Calculation of Axle Weight and Wheel Weight of Suspended-modular-tram with 5 Module and Low Floor

open access: yes机车电传动, 2017
Based on the structure characteristics of the suspended-modular-tram with 5 module and low floor and the motion characteristics of the articulated equipment, a reasonable division of the vehicle was made, and the calculation model of axle weight and ...
CUI Qichao, NIE Min, YUAN Zhiqiang
doaj  

Novel Design of a Biaxial and Four-Wheeled Robot Capable of Steering

open access: yesMATEC Web of Conferences, 2018
The paper presents a biaxial and four-wheeled robot, mainly composed of two axle, two circular wheels and two three-leaved wheels. By analyzing the difference between the velocity of the circular wheel and three-leaved wheel in same axle, the steering ...
Lan Guiping   +3 more
doaj   +1 more source

Marquette Interchange Perpetual Pavement Instrumentation Project - Phase II [PDF]

open access: yes, 2008
This report presents findings from the second phase of the Marquette Interchange instrumentation project and focuses on the maintenance of data recordation systems, development of computer programs to analyze data, and development of data packages for ...
Crovetti, James, Hornyak, Nicholas
core   +1 more source

All-Wheel Steering Tracking Control Method for Virtual Rail Trains with Only Interoceptive Sensors

open access: yesWorld Electric Vehicle Journal
A virtual rail train (VRT) is a multi-articulated vehicle as well as a novel public transportation system due to its low economic cost, environmental friendliness and high transit capacity.
Zhenpo Wang, Yi Zhang, Zhifu Wang
doaj   +1 more source

Modern mechanisms make manless Martian mission mobile: Spin-off spells stairclimbing self-sufficiency for earthbound handicapped [PDF]

open access: yes, 1975
Concepts were developed for three wheel chairs from progressively improving designs of a proposed unmanned roving vehicle for the surface exploration of Mars; as a spin-off, a concept for a stair-climbing wheel chair was generated.
Hassel, D. R.   +2 more
core   +1 more source

Simulation and Validation of an 8 × 8 Scaled Electric Combat Vehicle

open access: yesMachines
In this research, an 8 × 8 scaled electric combat vehicle (SECV) is built. The scaled vehicle is evaluated in both experimental and simulated methods to analyze its performance.
Junwoo Kim   +2 more
doaj   +1 more source

Study on Locomotive Anti-slip Simulation Based on Axle Load Transfer

open access: yes机车电传动, 2017
With deep studying, the anti-slip control method of the locomotive under axle load transfer was put forward. The locomotive and the rail surface model were established with ADAMS(automatic dynamic analysis of mechanical systems), and the simulation ...
ZHANG Changfan   +4 more
doaj  

Fuel Savings of a Medium-Duty Hybrid Electric Truck With Varying Electric Axle Efficiencies

open access: yesIEEE Access
The cost of truck electrification can be offset by significant fuel savings, making the efficiency of components critical. Among these, electric axle efficiency is a key factor in achieving fuel savings.
Kaibo Li   +4 more
doaj   +1 more source

Axle Temperature Detecting System of New-generation High-speed EMUs CRH380C

open access: yes机车电传动, 2012
Based on axle temperature detecting system structure and principle of CRH5 & CRH3 EMUs, new-generation high-speed EMUs axle temperature detecting system was developed with DSP+FPGA control system.
ZHANG Wen-zhong, HA Da-lei, WANG Qian
doaj  

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