Factory Planning Layout for Productivity-Driven Resource Scheduling

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Solution Overview

Problem

Existing methods for designing manufacturing lines require an enormous number of combinations to maximize productivity indices, leading to excessive man-hours in generating a factory plan.

Innovation Solution

A factory plan device that includes a calculation unit to specify processes and production resources based on past performance data, design data, and layout data to optimize process order, resource allocation, and working times to maximize a productivity index.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If existing methods generate process flows and equipment layouts sequentially based on product information, then the manufacturing line design can be completed, but the number of man-hours required becomes enormous due to the need to evaluate enormous combinations of process orders and resource allocations

Engineering Contradiction:
Improvemanufacturing line productivityVSAvoidtime required to generate factory plan
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by pre-calculating and storing process information, resource information, and their relationships in databases before actual factory planning. Process flows are generated in advance based on product information, and equipment layouts are pre-configured with associated resources. This preliminary preparation eliminates the need to evaluate enormous combinations during the actual planning phase, significantly reducing the time required to generate factory plans while maintaining optimal productivity.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If the process order and resource allocation are optimized to maximize productivity indices such as equipment operation efficiency and production throughput, then manufacturing efficiency improves, but the complexity of evaluating all possible combinations increases enormously

Engineering Contradiction:
Improveequipment operation efficiencyVSAvoidcomplexity of plan generation system
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system segments the factory planning process into independent modular components: product information management, process flow generation, resource information management, equipment layout design, and automatic plan generation. Each module handles specific aspects of optimization independently, storing pre-processed data in databases. This segmentation allows the system to evaluate productivity indices for each module separately without requiring complex evaluation of all possible combinations simultaneously, thereby reducing system complexity while maintaining optimization capability.

Inventive Principle:
Principle #1Segmentation

3Manufacturing precision

If comprehensive production resource information including equipment specifications and location constraints is collected and analyzed, then the accuracy of factory planning improves, but the data processing time and computational requirements increase

Engineering Contradiction:
Improvefactory plan accuracyVSAvoiddata processing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs preliminary data processing by collecting, validating, and storing comprehensive production resource information in structured databases before actual factory planning. Equipment specifications, location constraints, and resource capabilities are pre-processed and organized in advance. This preliminary action ensures high factory plan accuracy by having complete resource information readily available, while eliminating the need for time-consuming data processing during the actual planning phase.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12429856B2Factory plan device, factory plan system, and factory plan method
Publication Date: 2025.09.30 HITACHI LTD
  • US12429856B2 patent drawing
  • US12429856B2 patent drawing
  • US12429856B2 patent drawing

AI summary

It is possible to more efficiently make a factory plan configured to maximize a productivity index.Provided is a factory plan device including a calculation unit configured to specify a process and a production resource candidate based on a shape of a component of a target product by inputting past production performance data of a product, production volume data, design data of the product, specification data of a production resource, and layout data of a factory, and to calculate a process plan configured to determine order of the process and the production resource, a production plan configured to determine working date and time of the production resource, and a layout of the production resource so as to maximize a predetermined productivity index in the factory.