Results 171 to 180 of about 10,309 (221)
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Development of free piston engine linear generator system and a resonant pendulum type control method

, 2020
A free piston engine linear generator, which has the potential of the compact physique, high brake efficiency and high flexibility for fuel, has been developed.
H. Kosaka   +3 more
semanticscholar   +1 more source

Linear permanent magnet Electric Generator for Free Piston Engine applications

2012 XXth International Conference on Electrical Machines, 2012
As a response to the major climatic changes due to global warming and the foreseen oil shortages once the natural reserves will perish, most vehicle manufacturers began research programs on alternative fuel vehicles. The Hybrid Electric Vehicles, as an intermediate step to full electric vehicles, can incorporate Free Piston Engine — Linear Electric ...
C. A. Oprea, L. Szabo, C. S. Martis
openaire   +1 more source

Investigation on the combustion and performance characteristics of a DI free piston linear generator engine fuelled with CNG-CO2 blend

Applied Thermal Engineering, 2021
Wasiu B. Ayandotun   +6 more
semanticscholar   +3 more sources

A moving-coil linear generator with dual axial-magnetized stator for free-piston engines

International Journal of Applied Electromagnetics and Mechanics, 2021
Free-piston engine coupled with linear generator is a new type of thermoelectric energy converter, which has the advantages of high efficiency and simple structure. In this paper, a novel moving-coil linear generator with dual axial-magnetized stator is proposed for this kind of short-stroke high frequency oscillation generating applications.
Xu, Zhaoping   +3 more
openaire   +1 more source

Improvement of Thermal Efficiency via High-Frequency Driving of Mover in Free-Piston Engine Linear Generator

International Conference on Electrical Machines and Systems, 2020
A free-piston engine linear generator (FPEG) system is used to generate power by reciprocating the mover of a linear generator with the combustion of an engine and the spring thrust. The high-frequency driving of the mover improves the thermal efficiency
Jianping Zheng   +5 more
semanticscholar   +1 more source

Linear Generator Design for a Free-Piston Engine with high Force Density

2019 12th International Symposium on Linear Drives for Industry Applications (LDIA), 2019
This paper presents a detailed analysis of electrical linear machine concepts, suitable for energy conversion via a free-piston engine. Based on a simulation of the piston dynamics and a thermal evaluation, the boundary conditions are determined. Different machine concepts regarding the geometry (tubular or planar with emphasis on force density are ...
Henning Schillingmann   +2 more
openaire   +1 more source

High power density by combining of a double stator and an opposite-magnets linear generator in a dual-type free-piston engine generator

International Journal of Applied Electromagnetics and Mechanics, 2021
A linear generator system based on a free-piston engine is expected to be a highly efficient power-generation engine for series hybrid vehicles. However, the engine generator must produce in a limited installation space the very high power required to ...
Mitsuhide Sato   +4 more
semanticscholar   +1 more source

Research on control strategy of free-piston stirling-engine linear-generator system

2014 17th International Conference on Electrical Machines and Systems (ICEMS), 2014
The free-piston Stirling-engine linear-generator system can make efficient use of multiple energy resources, so it has great application potential in the fields of aeronautics and astronautics including space station, human lunar exploration, space vehicle, etc.
Ping Zheng   +4 more
openaire   +1 more source

Improving the constant‐volume degree of combustion considering generatable range at low speed in a free‐piston engine linear generator system

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING, 2019
Series hybrid vehicles using free‐piston engine coupled with linear generator are expected for high‐efficiency energy conversion systems. Such engines do not have a crank mechanism, which greatly reduces the friction loss.
Mitsuhide Sato   +7 more
semanticscholar   +1 more source

Effect of aspect ratio on the performance characteristics of free piston linear generator engine fueled by hydrogen

International journal of hydrogen energy, 2021
Free-piston linear generator (FPLG) engines currently gained great attention due to their capability to operate with variable fuel and compression ratio.
E. Zainal A.   +7 more
semanticscholar   +1 more source

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