基于压力和温度反的操作室中可变空气体积的级联控制系统的设计和实施
Abdulmohaymin Bassim Qassim1,2, Shaimaa Mudhafar Hashim1, Wajdi Sadik Aboud1
1Department of Artificial Intelligence & Robotics Engineering, Al-Nahrain University, P.O. Box 64040, Al Jadriyah, Baghdad 10072, Iraq.
Sensors (Basel, Switzerland)
|September 27, 2025
概括
一个新的级联比例整合 (PI) 控制器精确地管理医院手术室的温度和正压. 该系统确保了患者的安全和符合医疗保健标准,提高了环境控制和能源效率.
科学领域:
- 工程 工程师 工程师 工程师
- 控制系统 控制系统
- 医疗保健设施管理管理卫生保健设施管理
背景情况:
- 医院的手术室需要严格的环境控制,以确保患者的安全和手术的精确性.
- 阿什雷标准170-2017规定了特定的温度和正压限值.
- 现有的可变空气容量 (VAV) 系统在维持这些关键参数方面可能面临挑战.
研究的目的:
- 为医院手术室的VAV系统设计和实施级联比例整合 (PI) 控制器.
- 为了确保温度和正压差的精确控制,在ASHRAE标准170-2017的限制内.
- 为了验证系统的性能,稳定性和能源效率在现实世界的重症监护环境.
主要方法:
- 开发了一种双循环级联PI控制策略,其中一个循环用于温度,另一个用于差压.
- 该系统与建筑自动化系统 (BAS) 组件集成,包括自动逻辑公司 (ALC) 的直接数字控制器 (DDC) 和Web-CTRL软件.
- 在韩国伊拉克重症监护医院进行实证验证,在各种操作场景和负载变化下进行测试.
主要成果:
- 级联PI控制器成功地保持了室温在18-22°C之间,压力差在3-15帕斯卡之间.
- 该系统表现出了特殊的响应能力,稳定性和灵活性,即使在快速负载变化和门打开时也是如此.
- 在正常,高温,高压和低压场景中验证了性能.
结论:
- 级联PI控制策略为在重症监护机构中保持精确的环境条件提供了可靠的解决方案.
- 实施的系统提高了能源效率,同时确保严格遵守医疗保健设施标准.
- 这种方法有助于提高医院手术室的患者安全,手术精度和整体系统可靠性.
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