Robot-Positioned Mass Damping for Adaptive Industrial Vibration Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Industrial systems face challenges in managing vibrations that propagate between machines and structures, leading to potential damage and requiring effective damping solutions.
Innovation Solution
A computer-implemented method using a digital twin to simulate and predict vibrations in industrial systems, determining optimal locations and amounts of mass to add, and controlling a robot to position movable objects with calculated masses to attenuate vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional passive damping solutions are used, then vibration attenuation is achieved, but system adaptability to changing vibration conditions deteriorates
Solution Approach 1:
The patent implements active damping control that dynamically adjusts damping forces in real-time based on measured vibration conditions. Sensors detect vibration parameters and feed this information to a controller that modulates the damping force, allowing the system to adapt to changing vibration characteristics rather than relying on fixed passive damping properties.
Solution Approach 2:
The system incorporates a feedback loop where vibration sensors continuously monitor the industrial system, transmit data to a controller, and the controller adjusts damping forces accordingly. This closed-loop feedback mechanism enables the damping system to respond to actual vibration conditions and adapt its behavior to maintain optimal attenuation performance.
2Reliability
If heavy damping structures are installed, then vibration reduction is improved, but system complexity and installation difficulty increase
Solution Approach 1:
The patent replaces traditional heavy mechanical damping structures with an active control system that uses sensors, processors, and actuators to generate damping forces. This substitution of passive mechanical damping with active control mechanisms reduces structural complexity and installation requirements while maintaining or improving vibration reduction effectiveness.
Solution Approach 2:
The system changes the damping parameter from fixed physical properties of heavy structures to controllable forces generated by actuators. By varying the damping force parameters dynamically through control algorithms rather than relying on fixed mass and stiffness properties, the system achieves vibration reduction with less physical infrastructure.
3Object-affected harmful factors
If fixed damping systems are used, then initial vibration protection is provided, but response to new vibration sources or changing conditions deteriorates
Solution Approach 1:
The system performs preliminary vibration analysis and establishes baseline damping parameters before vibration problems occur. Sensors are pre-installed and the control system is configured to detect and respond to various vibration sources, enabling proactive protection rather than reactive adjustments after problems arise.
Solution Approach 2:
The damping system transitions from static fixed parameters to dynamic adjustable parameters that can adapt to new vibration sources and changing operational conditions. The control algorithm continuously updates damping forces based on real-time vibration measurements, allowing the system to respond to previously unseen vibration patterns or new machinery additions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively attenuates vibrations in industrial systems by adjusting the damping ratio, reducing potential damage, and prioritizing vibrations based on machine activities, with the ability to adapt to changes in system activities and external factors.
Implementation Method 1
The damping ratio is a dimensionless measure describing how oscillations in a system decay after a disturbance. In implementations, the system changes the damping ratio of an object in the industrial system in a way that attenuates the vibration in the industrial system.
Data Source
AI summary
A method, system, and computer program product are configured to: determine a location in an industrial system and an amount of mass based on predicting, using a digital twin of the industrial system, that adding the amount of mass to the location will reduce a vibration in the industrial system; and control a robot to position a movable object at the location, the movable object having a mass equal to the amount of mass.