Construction of multi-directional high-speed imaging system using a streak camera and image compression method

Nagai, Shinichiro; Yamazaki, Kensho; Tsumori, Masahiro; Takahashi, Yusuke; Harakawa, Ryosuke; Takahashi, Keníchi; Sasaki, Toru; Kikuchi, Takashi; Iwahashi, Masahiro

doi:10.1016/j.hedp.2020.100902

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…Alat untuk mendokumentasikan dalam penelitian menggunakan kamera, dimana alat ini harus mempunyai resolusi yang tinggi, supaya mendapatkan hasil gambar cukup jelas, sesuai gambar 1 [10]. Adapun gambar 2 bahan penelitian berupa komponen main bearing yang mengalami perubahan warna dan bentuk.…”

Section: Metode Penelitianunclassified

Analisis Kerusakan Main Bearing pada Unit Generator Mitsubishi BMGS

Wilarso¹,

Domodite²

2021

JMEMME

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Damage to the main bearing components on the generator set unit operating in the PLTD to supply power to PLN. Based on the initial indication of engine blow-by and high vibration in the damper area of the service meter unit (SMU): 25555. The purpose of this study is to determine the root cause of the main bearing damage that changes shape and color in the diesel engine generator set. The method used in this research is a visual inspection and removing engine components. The results and discussion of the research obtained changes in the shape and color of the main bearing, starting from the main bearing material (rotating) spalling so that it rubs against the main journal. The friction that occurs causes changes in the shape of the main bearing and causes the main bearing to rotate. The keywords on the main bearing are released due to thinning so that the main bearing rotates and closes the supply of lubricating oil to the main and rod bearings. Based on the analysis, the most likely cause of adhesive wear on Main Bearing #1 is crankshaft misalignment towards the front of the engine.

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Section: Metode Penelitianunclassified

Analisis Kerusakan Main Bearing pada Unit Generator Mitsubishi BMGS

Wilarso¹,

Domodite²

2021

JMEMME

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Development of liquid metal targets for high-repetition intense laser and pulsed-power discharge applications

Sasaki,

Kumagai,

Miyamoto

et al. 2024

High Energy Density Physics

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Tutorial on compressed ultrafast photography

Lai,

Marquez,

Liang

2024

J. Biomed. Opt.

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. Significance Compressed ultrafast photography (CUP) is currently the world’s fastest single-shot imaging technique. Through the integration of compressed sensing and streak imaging, CUP can capture a transient event in a single camera exposure with imaging speeds from thousands to trillions of frames per second, at micrometer-level spatial resolutions, and in broad sensing spectral ranges. Aim This tutorial aims to provide a comprehensive review of CUP in its fundamental methods, system implementations, biomedical applications, and prospect. Approach A step-by-step guideline to CUP’s forward model and representative image reconstruction algorithms is presented with sample codes and illustrations in Matlab and Python. Then, CUP’s hardware implementation is described with a focus on the representative techniques, advantages, and limitations of the three key components—the spatial encoder, the temporal shearing unit, and the two-dimensional sensor. Furthermore, four representative biomedical applications enabled by CUP are discussed, followed by the prospect of CUP’s technical advancement. Conclusions CUP has emerged as a state-of-the-art ultrafast imaging technology. Its advanced imaging ability and versatility contribute to unprecedented observations and new applications in biomedicine. CUP holds great promise in improving technical specifications and facilitating the investigation of biomedical processes.

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Construction of multi-directional high-speed imaging system using a streak camera and image compression method

Cited by 4 publications

References 10 publications

Analisis Kerusakan Main Bearing pada Unit Generator Mitsubishi BMGS

Analisis Kerusakan Main Bearing pada Unit Generator Mitsubishi BMGS

Development of liquid metal targets for high-repetition intense laser and pulsed-power discharge applications

Tutorial on compressed ultrafast photography

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