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LED system with independent red and blue channels . . . This work proposes a comparison between two different approaches for LED driving, based on the uk converter operating in discontinuous conduction mode and an integrated SEPIC Buck-Boost converter
近紫外LED总辐射通量测量比较研究 To verify the reliability of the uncertainty assessment in the near-UV region, the TSRF and total radiant flux values of near-UV LEDs were measured using a TSRF standard measurement device and a self-built horizontal goniospectroradiometer, respectively
LED system with independent red and blue channels employing radiant . . . This paper proposes an indoor alternative to cultivating hops on a small scale for brewery applications, employing a two-channel LED lighting system Its main component is a driver for a specific R+B LED load, which controls the radiant flux of both red (R) and blue (B) LED strings independently
Precise Luminous Flux and Color Control of Dimmable Red-Green-Blue . . . Abstract: A generic red, green, and blue (RGB) LED system encompasses complex interactions of power, heat, light, and color, which pose a major challenge for achieving precise control over luminance and color-mixing in high-quality lighting applications
Measuring Photosynthetic Photon Flux Density in the Blue and Red . . . Abstract: This article presents development of a low-cost sensor to measure the light intensity for plant growth, referred to as photosynthetic photon flux density (PPFD), which is a quantum light measurement unit for horticultural LED lighting
Reinforcement learning control of multi-spectral LED systems for . . . It surpasses traditional methods by employing reinforcement learning (RL) to generate an entire optimal spectral power distribution (SPD) model, comprehensively considering CCT, CRI, CAF, and other relevant parameters
Precise luminous flux and color control of dimmable red-green-blue . . . Abstract A generic red, green, and blue (RGB) LED system encompasses complex interactions of power, heat, light, and color, which pose a major challenge for achieving precise control over luminance and color-mixing in high-quality lighting applications