基于智能体的石化智能工厂信息物理系统实现研究

doi:10.11949/0438-1157.20201734

摘要/Abstract

摘要：

结合石化行业的特点与石化信息物理系统已有研究成果，提出了一种基于智能体（agent）的信息物理系统的构建方法。以石化主要生产领域涉及的物理对象和度量对象，以及这些要素相互关系为核心建立的工厂模型为基础，将具有感知和响应能力的智能体应用于企业工厂模型工作节点，使得工厂模型对象具有计算、预测、知识学习能力，实现基于智能体的智能分析、预测预警、生产监测以及可视化的石化信息物理系统。描述了工厂模型构建方法、基于工厂模型的智能体工作模式以及基于智能体的石化智能工厂信息物理系统架构，并通过展示中国石化智能工厂试点企业应用实践，论证该方法的实用效果。

关键词: 过程系统, 计算机模拟, 制造, 物理信息系统, 石化智能工厂, 智能体

Abstract:

Combining the characteristics of the petrochemical industry and the existing research results of petrochemical cyber-physical systems, a method of building cyber-physical systems based on agents is proposed. Agents capable of sense and response can be applied on worknodes in the factory model with physical objects, measure objects and relations among them as central elements to enable the petrochemical cyber-physical system to calculate, predict and learn for intelligent analysis, prediction, early warning, production monitoring and visualization. The construction method for factory model, the work pattern of agents based on the factory model and the frame diagram of the cyber-physical system for the smart petrochemical factory with agents are depicted. And the physical effects are demonstrated by display of the applications in the smart factories of Sinopec.

Key words: process systems, computer simulation, manufacture, cyber-physical systems, smart petrochemical factory, agents

中图分类号:

蒋白桦, 吕雪峰, 刘玉龙. 基于智能体的石化智能工厂信息物理系统实现研究[J]. 化工学报, 2021, 72(3): 1575-1584.

JIANG Baihua, LYU Xuefeng, LIU Yulong. Realization of cyber-physical systems for smart petrochemical factory based on agents[J]. CIESC Journal, 2021, 72(3): 1575-1584.

图/表 10

图1 石化智能工厂信息物理系统通用计算架构

Fig.1 General computing architecture of cyber-physical systems for smart petrochemical factory

图2 石化智能工厂信息物理系统通用计算模式中的知识库

Fig.2 Knowledge base in general computing mode of cyber-physical systems for smart petrochemical factory

图3 石化智能工厂信息物理系统通用计算模式中数据内容

Fig.3 Data in general computing architecture of cyber-physical systems for smart petrochemical factory

图4 工厂信息模型的集中集成

Fig.4 Centralized integration of factory information model

图5 工厂信息模型中的智能体分布示意图

Fig.5 Distribution of agents in the factory information model

图6 智能点的工作机制

Fig.6 Working mechanism of agentlet

图7 石化智能工厂信息物理系统架构图

Fig.7 Architecture of cyber-physical systems for smart petrochemical factory

表1 基于智能体的储罐CPS

Table 1 CPS of storage tank based on agent

对象		属性		智脑
对象		属性		模型库			引擎		规则库	引擎	知识库	引擎
罐	Agent	温度		工厂模型对象	指标	实时库位号	RTDB 数据泵	RTDB 适配服务
		温度报警	Agentlet 1						温度报警规则	规则服务
		压力		工厂模型对象	指标	实时库位号	RTDB 数据泵	RTDB 适配服务
		压力报警	Agentlet 2						温度报警规则	规则服务
		液位		工厂模型对象	指标	实时库位号	RTDB 数据泵	RTDB 适配服务
		液位高限报警	Agentlet 3						液位报警规则	规则服务
		液位低限报警	Agentlet 4						液位报警规则	规则服务
		付空时间预测	Agentlet 5						计算规则	收付时间计算服务
		付空预警	Agentlet 6						预警规则	预警服务
		收满预警	Agentlet 7						预警规则	预警服务
		高限报警处理	Agentlet 8								知识	报警处理服务
		高高限报警处理	Agentlet 9								知识	报警处理服务
		付空预警处理	Agentlet 10								知识	预警处理服务
		收满预警处理	Agentlet 11								知识	预警处理服务

图8 试点企业A大机组健康管理过程示意图

Fig.8 Process of health management on large machine units in pilot enterprise A

图9 试点企业B能源在线优化过程示意图

Fig.9 On-line optimization for energy in pilot enterprise A

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