站前广场人流潮汐特征明显：列车到站15分钟内人流峰值是平峰的8倍，固定亮度照明要么挤爆要么空转。
主活动区维持15lx、出入口集散区30lx（CJJ45-2015交会区标准）；出租车蓄车区与公交港湾垂直照度≥20lx保障车牌识别；全部回路接入客流数据联动调光。
我们把照明回路与车站到发数据打通，列车进站前10分钟预亮、散场后30分钟缓降，全年综合能耗下降48%。
Station plazas show tidal footfall: passenger surges within 15 minutes of train arrivals hit eight times off-peak levels, so fixed-brightness lighting is either swamped or idling.
Main activity zones 15 lx, entrance gathering areas 30 lx (CJJ45-2015 conflict-area class); taxi and bus bays need vertical illuminance ≥20 lx for plate recognition; all circuits join data-linked dimming driven by passenger-flow analytics.
We integrate lighting circuits with arrival-departure data: pre-illumination 10 minutes before arrivals, gentle ramp-down 30 minutes after dispersal — 48% annual energy saving.
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