Speaker
Description
This paper presents the power supply control system developed for the High Energy Photon Source (HEPS). Over 2500 power supplies at 58 stations on the 1346 m storage ring are controlled via a hierarchical EPICS IOC structure with custom-built Modbus drivers. In the Booster, each power supply(Dynamic Ps) IOC runs in an isolated Docker container and the dynamic status data is captured at up to 10 Hz using pySignal and asyncio. The softIOC-based monitoring framework synchronizes data to the central control system and database, and triggers real-time WeCom alerts. Redis is introduced as an in-memory cache to minimize data access latency. The integrated architecture provides an efficient, low-latency and reliable control solution for HEPS power supplies.
