Wood Processing Plant Simulation for Adaptive Workpiece Flow
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Solution Overview
Problem
Wood processing systems face inefficiencies due to complex interactions between function segments like machining, transport, and buffer devices, leading to suboptimal workpiece processing and potential collisions or uneven throughput, which reduces system performance.
Innovation Solution
A process optimization method that simulates workpiece transport through selected function segments, determining optimized parameters by analyzing characteristic properties stored in a library, allowing for virtual design and real-time control of wood processing systems to maximize throughput and minimize workpiece distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If workpieces are fed into the wood processing plant at equal intervals, then the feeding process is simple and regular, but the workpieces may collide with each other or have increased spacing, negatively impacting plant performance
Solution Approach 1:
The patent applies dynamics by transitioning from static equal-interval feeding to dynamic adaptive feeding. The system continuously monitors workpiece positions and adjusts feeding intervals in real-time based on actual plant conditions, allowing the feeding process to adapt dynamically to varying processing times and workpiece characteristics, thereby preventing collisions while maximizing throughput
Solution Approach 2:
The patent implements feedback by using sensors and control systems to monitor workpiece positions, processing times, and plant status. This feedback information is used to continuously adjust the feeding interval, creating a closed-loop control system that optimizes productivity while preventing workpiece collisions and maintaining smooth operation
2Ease of manufacture
If the wood processing plant is designed and built before optimization, then the physical plant exists for operation, but optimization is limited by the fixed physical configuration
Solution Approach 1:
The patent applies preliminary action by performing virtual design, simulation, and optimization before actual plant construction. The digital twin and simulation models allow all possible configurations and optimizations to be explored and determined in advance, so the physical plant is built with pre-optimized parameters, eliminating the need for post-construction modifications
Solution Approach 2:
The patent uses copying by creating a digital twin or virtual model of the wood processing plant. This digital replica allows for extensive simulation, testing, and optimization without affecting the physical plant. The optimized parameters from the virtual model are then transferred to guide the construction and operation of the actual plant, providing full optimization flexibility before construction begins
3Stability of the object's composition
If workpieces are fed at equal intervals, then the feeding rhythm is consistent, but workpieces move closer together through functional segments, potentially colliding or increasing spacing, reducing system performance
Solution Approach 1:
The patent applies dynamics by making the feeding interval adaptive rather than fixed. The system dynamically adjusts the time between workpiece feedings based on real-time monitoring of workpiece positions, processing speeds, and functional segment status, maintaining appropriate spacing throughout the plant while preserving a consistent feeding rhythm
Solution Approach 2:
The patent implements feedback by continuously monitoring workpiece positions and processing times throughout the plant. This feedback information is used to adjust the feeding interval in real-time, ensuring that workpieces maintain safe spacing and preventing collisions while maintaining operational consistency and reliability
Data Source
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AI summary
In the process optimization method for woodworking plants (400), a woodworking plant (400) is preconfigured by selecting the functional segments (414, 422, 432) that a workpiece (10) can pass through. Each functional segment is an element from the following group: i) processing device, ii) transport device, iii) handling device, iv) buffer device, v) feeding/unloading device.The following steps are performed: a) providing a library (100) with information (14, 22, 32) representative of each of the functional segments (414, 422, 432) about the behavior, in particular the dwell time, of the workpiece (10) in the respective functional segment (414, 422, 432); b) selecting the information (14, 22, 32) representative of the functional segments (414, 422, 432); c) simulating workpiece transport through the functional segments (414, 422, 432) forming the wood processing plant (400) using a library with stored data about the behavior of workpieces (10) during passage through functional segments (414, 422, 432) and generating simulation data; d) Determining optimized process parameters for the operation of the wood processing plant (400) formed from the functional elements (414, 422, 432).