Energy use anomaly: smart meter spike — leak или just hot day?
Сложный
IoT / Умный дом
55 мин
Anomaly detection design
Ситуация: Smart meters detect usage spike. Could be: leak, malfunction, или just unusual usage (party, hot day). False positives annoy customers. Design framework.
IoT energy meters. Send readings hourly. Anomaly = sudden spike vs baseline.
Доступные данные
meter_readings: meter_id, ts, usage_kwh
weather: region, ts, temperature
alerts: meter_id, ts, type (anomaly), resolved (false_pos / true_pos)
Задачи
- Anomaly detection: simple threshold vs ML.
- Context: weather, time-of-day, day-of-week.
- False positive reduction.
- Action: alert customer? Auto-investigate?
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