Analysis and Compensation of End Effects for Improved Force Control of Linear Machines

Benecke, Sebastian; Gerlach, Andreas; Leidhold, Roberto

doi:10.1109/icem49940.2020.9270967

Cited by 2 publications

(3 citation statements)

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“…The peak force of 3760 N was achieved, and an efficiency of 78.4% was achieved with an optimised spring. 111,117 Performance improvement and evaluation Improving conversion efficiency and power density are often the goals of a power conversion device, such as FP-LEGs. The existence of the cogging force in LGs affects precise control and dynamic response of FPE, thereby requiring further considerations.…”

Section: Flat-typementioning

confidence: 99%

“…An improved thrust force control method was proposed for a finite length LG based on the adapted transformation. 117 A prototype was proposed and tested at a frequency of 24 Hz with the desired stroke of 30 mm. The peak force of 3760 N was achieved, and an efficiency of 78.4% was achieved with an optimised spring.…”

Section: Advancement Of Linear Generatorsmentioning

confidence: 99%

“…The peak force of 3760 N was achieved, and an efficiency of 78.4% was achieved with an optimised spring. 111,117…”

Section: Advancement Of Linear Generatorsmentioning

confidence: 99%

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Recent progress on performance and control of linear engine generator

Ngwaka

Chen

Qiu

et al. 2022

International Journal of Engine Research

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Linear engines, or widely called free piston engines, have their advantages compared to conventional engines with crankshafts, for example, lower friction loss, compact structure, fuel adaptability, flexible compression ratio, etc. Among the linear engine conceptual designs and prototypes, Linear Engine Generator (LEG) incorporating a linear engine (internal or external combustion) and a linear alternator provides an alternative and attractive solution for hybrid electrical powertrains in transport applications. Due to the advantages of linear engines, hydrogen, synthetic hydrogen carrier fuels and biofuels are easier to adopt on LEG, making it an appealing technology for decarbonisation. This paper explicitly reviews LEG research and development on state-of-art solutions and recent progress in linear engine improvement, linear alternator design optimisation, and integrated LEG system control. Key performance indicators of the linear engine generator, like power output, thermal and electrical efficiency, etc., are summarised to present a general picture of up-to-date LEG development. Recommendations for further LEG development are provided at the end of the paper regarding the review outcomes.

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Section: Flat-typementioning

confidence: 99%

Section: Advancement Of Linear Generatorsmentioning

confidence: 99%