Keywords
Smart street lamps
Hardware design
Investment income analysis
Shadow inhomogeneity
Submitted : 2026-03-23
Accepted : 2026-04-07
Published : 2026-04-22
Abstract
Smart street lights are the key carrier of smart cities and dual carbon goals. Aiming at the problems of high energy consumption of street lamps, extensive control, lack of dynamic adaptation capabilities of existing smart street lamps, and the vulnerability of centralized photovoltaics to shadows and module aging, this paper proposes a distributed MPPT photovoltaic-energy storage-lighting integrated system. The system hardware integrates high-precision sampling, STM32 main control, DC-DC conversion and lithium iron phosphate battery management; The software integrates traffic flow monitoring, people flow statistics and multi-factor linear regression dimming algorithm to realize perception and dynamic dimming. Through the three-layer architecture of perception-processing-cloud, the system not only improves the efficiency of photovoltaic power generation and adapts to complex lighting, but also has been preliminarily verified to have significant technical feasibility and economic value in terms of power generation efficiency, energy saving and cost reduction, and full life cycle costs.
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