Virtual Workpiece Simulation Under External Force and Robot Conveyance
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Solution Overview
Problem
Existing simulation technologies are unable to comprehensively simulate systems where a workpiece's position is changed by an external force, such as an actuator, beyond conveyor-based systems.
Innovation Solution
A simulation device comprising a first simulator to calculate workpiece behavior, a measurement part to measure virtual images, a second simulator to calculate robot behavior based on measurement results, and an image generation part to visualize the virtual space, allowing for the simulation of systems with external forces applied to workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conveyor-based system is used to transport workpieces, then the workpiece position can be determined, but the system cannot simulate external forces applied to workpieces
Solution Approach 1:
The patent creates a virtual copy of the physical workpiece and its environment in a simulation system. The virtual workpiece receives virtual external forces that replicate real-world forces, allowing accurate behavior reproduction without physical prototypes. This copying approach enables comprehensive simulation while maintaining reliability of behavior prediction.
Solution Approach 2:
The patent replaces physical mechanical testing and observation with computational mechanics simulation. Instead of physically applying forces to real workpieces and measuring their response, the system uses virtual force application and computational physics to predict workpiece behavior, eliminating the need for repeated physical experiments.
2Adaptability or versatility
If multiple simulators and measurement parts are integrated, then comprehensive simulation capability is achieved, but the device complexity increases
Solution Approach 1:
The patent merges multiple simulation functions (workpiece behavior simulation, robot motion simulation, external force application) into a single integrated simulation system. The measurement part and simulation components are combined in one virtual environment, allowing comprehensive simulation while managing complexity through unified system architecture rather than separate physical systems.
Solution Approach 2:
The simulation system is designed with universal components that can perform multiple functions. The virtual workspace can simulate different workpiece behaviors, robot motions, and external forces using the same underlying platform. This multi-functionality achieves comprehensive simulation capability without proportionally increasing device complexity.
Data Source
AI summary
Provided is a configuration which enables behaviors to be comprehensively simulated even for a system where a certain external force is applied to a workpiece. This simulation device includes: a workpiece conveyance simulator that calculates a state of the workpiece conveyance device; a workpiece behavior simulator that calculates an external force applied to the workpiece based on the state of the workpiece conveyance device and calculates the state of the workpiece based on the calculated external force; and an information management part that generates virtual space information that reflects the state of the workpiece conveyance device and the state of the workpiece.