Centralized Automation Service Architecture for Lower-Cost Plant Control
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Solution Overview
Problem
The complexity of Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), and Supervisory Control and Data Acquisition (SCADA) systems increases operational costs and capital expenditures, limiting their utilization in small and medium-sized process industries, requiring a more simplified and cost-effective solution for control and automation.
Innovation Solution
A system comprising a central component with a controller, server, and Human Machine Interaction (HMI) station, along with dedicated communication links and interfaces for configuring, monitoring, and maintaining control and automation services, provided by specialized service providers, enabling flexible and scalable automation solutions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If DCS, PLC, or SCADA systems are deployed for plant automation, then control and automation capabilities are improved, but system complexity and capital expenditures increase
Solution Approach 1:
The patent segments the control system into a centralized control component and distributed intelligent I/O devices. The centralized component handles high-level control logic and monitoring, while the I/O devices perform local signal processing and basic control functions. This segmentation reduces the complexity of the centralized controller and enables modular deployment suitable for small and medium-sized industries.
Solution Approach 2:
The patent introduces intelligent I/O devices as intermediary components between the centralized controller and field devices. These intermediaries perform signal conditioning, isolation, and basic control functions, reducing the burden on the centralized controller and simplifying the overall system architecture while maintaining automation capabilities.
2Extent of automation
If DCS, PLC, or SCADA systems are deployed for plant automation, then control and automation capabilities are improved, but operational costs increase
Solution Approach 1:
The intelligent I/O devices are equipped with self-diagnostics, self-configuration, and automatic fault detection capabilities. This self-service functionality reduces the need for manual intervention, system maintenance, and operator training, thereby lowering operational costs while maintaining advanced automation capabilities.
3Extent of automation
If advanced control systems are utilized, then automation functionality is improved, but ease of operation deteriorates due to complexity
Solution Approach 1:
The patent employs standardized communication protocols and interface specifications that allow different control components to interact through well-defined copying mechanisms. This standardization simplifies operation and maintenance by enabling plug-and-play functionality and reducing the learning curve for operators.
Solution Approach 2:
The centralized control component is designed with universal interfaces and multi-functional capabilities that can accommodate various types of I/O devices and control algorithms. This universality simplifies operation by providing a consistent user interface regardless of the specific automation task or device type.
Data Source
AI summary
The present disclosure relates to exemplary systems for providing control and expert services over a communication network by specialized service providers to various kinds of automation needs and methods thereof. The arrangement allows sharing of automated control system components among one or multiple users. Methods to configure and use control and automation service are also described. Exemplary systems for control and automation service as disclosed herein can have greater flexibility and simplicity from the plant user perspective.