AR Visualization for Tuning Robotic Picking Boundaries
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Solution Overview
Problem
The lengthy commissioning time and high costs associated with tuning visual tracking robotic picking systems, particularly due to challenges in validating vision systems, load-balancing, motion tuning, and diagnosing issues, necessitate a more efficient method for optimizing part throughput.
Innovation Solution
An augmented reality (AR) system that visualizes and controls robotic picking system parameters in real-time, allowing for the visualization of boundaries, part allocation, and system performance, using virtual parts for simulations, and enabling intuitive tuning of parameters to optimize part throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional commissioning methods are used for visual tracking robotic picking systems, then the system can be configured and tuned, but the commissioning time becomes excessively long (1-1.5 months per robot) and costs increase
Solution Approach 1:
The patent creates virtual copies of physical parts and the robotic system itself. Virtual parts are generated with known properties and positions, allowing the vision system to be tested and tuned against perfect digital twins rather than imperfect physical parts. This copying approach enables rapid iteration and validation without the time-consuming process of working with actual parts throughout commissioning.
Solution Approach 2:
The system performs preliminary configuration and tuning actions in the virtual environment before deploying to physical operation. By pre-validating vision systems, pre-tuning parameters, and pre-optimizing robot trajectories in simulation, the actual commissioning time for physical systems is dramatically reduced. All preparatory work is completed beforehand in the virtual workspace.
2Productivity
If traditional tuning methods are used for robotic picking systems, then system parameters can be adjusted, but the process becomes expensive in terms of parts and labor
Solution Approach 1:
Virtual parts replace physical parts during the tuning process. Instead of consuming real parts to test different throughput rates and system configurations, the same virtual parts can be endlessly reused and reconfigured. This eliminates the cost of parts consumed during commissioning while maintaining the ability to fully test productivity scenarios.
Solution Approach 2:
The system uses its own virtual environment to perform self-validation and self-tuning. The robotic system can automatically test its own parameters, validate its vision system, and optimize its performance using virtual parts and simulated workpieces, reducing the need for external labor and expertise during the commissioning phase.
3Reliability
If physical parts are used for system tuning, then real-world accuracy can be validated, but the process becomes difficult and time-consuming
Solution Approach 1:
The patent creates virtual representations of physical parts that retain all relevant geometric and physical properties. These virtual copies can be manipulated, positioned, and configured in ways that are difficult or impossible with physical parts, while still maintaining the accuracy needed to validate picking operations. The virtual model faithfully reproduces the real part characteristics.
Solution Approach 2:
All difficult tuning and validation work is performed preliminarily in the virtual environment where changes can be made instantly and reversibly. Once the system is tuned and validated in simulation with high reliability, the same configuration is deployed to physical operation, eliminating the need to repeat difficult tuning procedures with actual parts.
4Productivity
If multiple robots are used in the visual tracking system, then part throughput increases, but load-balancing and coordination become more complex
Solution Approach 1:
Each robot has its own virtual twin and set of virtual parts in the simulation environment. This allows independent tuning and validation of each robot's performance, boundaries, and parameters before integration. The virtual environment can easily replicate the complexity of multi-robot coordination without the physical constraints and interference that make real-world multi-robot systems difficult to balance and coordinate.
Solution Approach 2:
Load-balancing and coordination algorithms are developed, tested, and optimized preliminarily in the virtual environment where multiple robot agents can be simulated simultaneously. The virtual system allows rapid iteration of coordination strategies and boundary definitions for each robot, enabling complex multi-robot systems to be tuned and balanced before physical deployment, significantly reducing on-site commissioning complexity.
Data Source
AI summary
An augmented reality (AR) system for production-tuning of parameters for a visual tracking robotic picking system. The robotic picking system includes one or more robots configured to pick randomly-placed and randomly-oriented parts off a conveyor belt and place the parts in an available position, either on a second moving conveyor belt or on a stationary device such as a pallet. A visual tracking system identifies position and orientation of the parts on the feed conveyor. The AR system allows picking system tuning parameters including upstream, discard and downstream boundary locations to be visualized and controlled, real-time robot pick/place operations to be viewed with virtual boundaries, and system performance parameters such as part throughput rate and part allocation by robot to be viewed. The AR system also allows virtual parts to be used in simulations, either instead of or in addition to real parts.


