Examples of applications combining ontology utilization and AI technology in the manufacturing industry

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Manufacturing and Ontology

An ontology is a systematized body of knowledge about a particular domain, which defines concepts, attributes, and relationships in that domain. By utilizing this ontology in the manufacturing industry, we can expect to understand and optimize products and processes, increase productivity, improve quality, and reduce costs. Examples of their utilization are shown below.

  • Use of ontology in product design: Ontology can be used to systematically organize information necessary for product design. It is possible to define product components, functions, materials, manufacturing processes, etc., to deepen understanding of the product, and to use ontology to facilitate efficient design work in product redesign and new product development.
  • Use of ontology in manufacturing process optimization: In the manufacturing process, ontology can be used to understand and optimize the manufacturing process. By defining manufacturing processes, equipment, materials, etc., the entire manufacturing process can be visualized and analyzed to increase productivity, improve quality, and reduce costs.
  • Use of ontology in maintenance management: In manufacturing, maintenance management of various equipment and facilities that are operated internally is a major issue. By using ontology, the components, functions, and maintenance history of equipment and facilities can be managed, and failure diagnosis and maintenance work can be performed efficiently.
  • Use of ontology in data integration at manufacturing sites: At manufacturing sites, there exist various data acquired from production lines and equipment. By using ontology, it is possible to integrate and analyze such data, visualize the entire production line, increase productivity, and improve quality.

This article describes the application of ontology to the manufacturing industry based on “Ontology Modeling in Physical Asset Management.

Ontology Application in Manufacturing (Overview)

This book presents the latest findings on the theory and methods of ontology modeling in physical asset integrity management, with emphasis on interoperability and heterogeneity in systems consisting of multiple subsystems.

The contents include the plant ontology ISO 15926 in Chapter 1, smart buildings and ontology in Chapter 2, failure/risk analysis and ontology such as FMEA and HAZID in Chapter 3, product data integration and production design in the enterprise in Chapter 4, and Chapter 5 describes an interactive fault diagnosis system in the ship domain, Chapter 6 describes several risk diagnosis systems, Chapter 7 describes a cost analysis tool for product service systems, and finally Chapter 8 describes a plant equipment diagnosis system.

Please refer to the separate descriptions for the individual contents. The table of contents is as follows.

Chapter1 ISO15926
  
Chapter2 Ontological Analysis and Engineering Standards: An Initial Study
         of IFC
  
Chapter3 FMEA, HAZID, and Ontologies
      
Chapter4 Ontology Development and Optimization for Data Integration and 
         Decision-Making in Product Design and Obsolescence Management
         
Chapter5 Fault Diagnosis System Based on Ontology for Fleet Case Reused
        
Chapter6 Integrating Cultural and Regulatory Factors in the Bowtie: 
         Moving from Hand-Waving to Rigor
         
Chapter7 Addressing Uncertainty in Estimating the Cost for a Product-
         Service-System Delivering Availability: Epistemology and Ontology
         
Chapter8 Ontology-Based Knowledge Platform to Support Equipment Health in
         Plant Operations
Use of Ontology Technology and AI Technology in the Manufacturing Industry

In the manufacturing industry, the combination of ontology and AI technologies offers the following advantages and application examples.

  • Enhanced knowledge management: In the manufacturing industry, there exists a vast amount of knowledge and information, and it is important to manage them in an integrated manner. By applying ontology technology, domain knowledge unique to the manufacturing industry can be structured, and related information and relationships can be clarified. Furthermore, when combined with AI technology, ontology-based knowledge bases can be used to extract knowledge and make inferences to support problem solving and decision making.
  • Product Design and Innovation: In the manufacturing industry, many information and constraints are involved in the product design and innovation process. Ontology technology can be used to clearly define product and component concepts, relationships, and characteristics to improve data consistency and reusability; combined with AI technology, ontology-based knowledge can be used to automatically support product design and facilitate innovation.
  • Process Optimization and Predictive Maintenance: Manufacturing process optimization and predictive maintenance are key elements in improving productivity and facility efficiency. Ontology technology can be used to model and define manufacturing processes and equipment, and integrate related data to achieve effective optimization and prediction. Combining this with AI technology, manufacturing and sensor data can be analyzed to detect anomalies and predict failures, and production processes and maintenance plans can be optimized.
  • Supply chain management and real-time forecasting: In the manufacturing industry, supply chain efficiency and real-time demand forecasting are key elements. Ontology technology can unify product and component concepts, characteristics, and relationships to support supply chain visibility and rapid decision making. Furthermore, combined with AI technology, it is expected to integrate real-time data and external information for demand forecasting, inventory optimization, and supply chain risk management.

These details are described below.

Enhancement of Knowledge Management

The following methods and applications can be considered for enhancing knowledge management by combining ontology and AI technologies in the manufacturing industry. These methods are expected to enhance knowledge management in the manufacturing industry and promote efficient decision making, problem solving, and innovation.

  • Building a Knowledge Base: A knowledge base in manufacturing is the foundation for comprehensive management of domain knowledge, including product, process, technology, and regulatory knowledge. Ontology technology can be used to build a conceptual system suitable for the manufacturing domain, integrally organize related knowledge, and utilize AI technology to automatically extract, classify, and structure the information stored in the knowledge base.
    Knowledge Extraction and Inference: AI technologies can be used to extract knowledge from a variety of sources in the manufacturing industry, applying natural language processing (NLP) and text mining techniques to extract useful information from textual data such as technical documents, maintenance records, and customer feedback, Ontology-based inference engines can be built to link related knowledge to provide new insights and solutions.
  • Knowledge sharing and collaboration: Ontologies and AI technologies can be used to share manufacturing knowledge within an organization and facilitate collaboration. Ontology-based knowledge base access and search interfaces will be provided so that employees can easily find the information they need, and AI technology can be used to create a communication AI technology can also be used to build a platform for users of the knowledge base to share pertinent information and exchange opinions and ideas.
  • Updating and learning knowledge: The manufacturing industry is constantly evolving and new knowledge and technologies are being created. Combining ontology and AI technologies will enable regular updating and learning of the knowledge base; AI algorithms can be used to automatically process new information and data, update the knowledge base, gather user feedback and expert opinions, and incorporate learning capabilities to improve the knowledge base. It will also be possible to incorporate learning capabilities to improve the knowledge base.
Product Design and Innovation

The following are possible ways to combine ontology and AI technologies in the manufacturing industry to support product design and innovation. These methods and applications can support the product design and innovation process and improve competitiveness and quality in the manufacturing industry.

  • Integrate and share product knowledge: Product design requires integrated management of information such as product specifications, components, and related constraints. Ontologies can be used to model product domain knowledge, define concepts, relationships, and characteristics, and utilize AI techniques to automatically extract product information from multiple data sources and documents to automatically extract product information from multiple data sources and documents to build an ontology-based knowledge base. This will facilitate the integration and sharing of product knowledge and promote cooperation and collaboration among different teams and departments.
  • Product Design Support: There are a variety of methods that can be used to support the product design process by leveraging AI technologies. For example, machine learning and optimization algorithms can be used to learn information from past design data and customer feedback and apply it to new product designs. Ontology-based inference engines can also be built to perform automatic design selection and decision making based on product characteristics and constraints.
  • Facilitating innovation: By combining ontology and AI technologies, processes and tools can be developed to facilitate innovation. For example, ontologies can identify relevant technologies and trends, and AI technologies can be used to analyze market needs and competitive information to identify new product ideas and business opportunities, or AI technologies can be used to develop tools and systems to support creative design generation and brainstorming of ideas. AI technology can also be used to develop tools and systems to support creative design generation and brainstorming of ideas.
  • Digital Twin and Simulation: Ontologies and AI technologies can be leveraged to create a digital twin or simulation environment for a product. This will represent the physical characteristics and behavior of the product as a digital model and use AI technology to monitor and control the digital twin in real time and simulation, thereby enabling efficient evaluation of product performance, improvement, and verification of innovations.
Process optimization and predictive maintenance

The following process optimization and predictive maintenance methods can be achieved by combining ontology and AI technologies in the manufacturing industry. These methods and applications are expected to realize process optimization and predictive maintenance in the manufacturing industry to improve production efficiency, reduce failure risk, and improve the accuracy of production planning.

  • Process Modeling and Optimization: Manufacturing processes are modeled using ontologies to clearly define components, relationships, and constraints. By applying AI technology to this, process and sensor data can be collected, analyzed, and learned. This will enable the identification of process bottlenecks and inefficiencies, and the application of optimization algorithms to improve productivity and quality.
  • Sensor data monitoring and anomaly detection: AI technology can be used to monitor sensor data and real-time data to detect process anomalies. By applying ontologies to this to understand the meaning and relevance of sensor data and to learn abnormal patterns and predictive signs, it will be possible to detect abnormal conditions such as machine failure and quality degradation at an early stage. This enables predictability of maintenance and avoidance of production interruptions.
  • Optimize maintenance planning: Use ontologies to integrate knowledge of manufacturing equipment and components and define relevant information and maintenance rules. By applying AI technology to this, information such as sensor data and maintenance history can be analyzed to assess equipment condition and failure risk, and based on this, optimal maintenance plans can be developed to streamline preventive maintenance and preservation activities.
  • Real-time forecasting and optimization of production planning: AI technology will be used to analyze data on manufacturing processes and market demand in real time to build forecasting models. Ontologies will be applied to this model to integrate product and component characteristics and inventory information to optimally coordinate product supply and demand, optimize production planning, optimize inventory levels, and improve the accuracy of demand forecasts.
Supply chain management and real-time forecasting

Combining ontology and AI technologies in the manufacturing industry could be a way to enhance supply chain management and real-time forecasting, as described below. These methods and applications are expected to enhance supply chain management and real-time forecasting in the manufacturing industry to achieve efficient inventory management, demand-driven production planning, risk avoidance, and alternative planning.

  • Supply Chain Network Visualization: Use ontologies to model each element of the supply chain (suppliers, manufacturers, distributors, customers, etc.) and their relationships. This facilitates visualization and understanding of the entire supply chain. In addition, by applying AI technology, real-time data and predictive models can be combined to visualize and monitor inventory status, logistics status, and demand forecasting in the supply chain to support rapid decision making.
  • Demand Forecasting and Demand Forecasting: Demand forecasting models are built using AI technology to integrate ontology-based product characteristics and market trends. This will enable real-time demand forecasting for products and provide insight into demand fluctuations and demand patterns. Furthermore, by reflecting demand forecast results throughout the supply chain, production planning, inventory management, and procurement planning can be optimized.
  • Supplier risk assessment and management: Model supplier information and risk factors using ontologies and leverage AI technology to assess suppliers and manage risk. Analyze supplier data and external data to assess supplier reliability, supply capacity, lead times, etc., and monitor risk in real time, thereby enabling early warning and alternative plans for supplier risk.
  • Real-time supply chain alignment and optimization: combining ontology and AI technologies to integrate data and models within the supply chain. Real-time sensor data, demand data, and inventory data will be monitored, and predictive models and optimization algorithms will be used to adjust and optimize the supply chain in real time, thereby adjusting production capacity, optimizing inventory, and optimizing distribution routes to achieve efficient supply chain operations.

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