Related Experiment Video
Updated: Aug 28, 2025
10:09
Operation of the Collaborative Composite Manufacturing CCM System
Published on: October 1, 2019
6.7K
Production Loss Analysis in Mobile Multi-skilled Robot Operated Flexible Serial Production Systems
Kshitij Bhatta1, Chen Li1, Qing Chang1
1Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA 22904, USA.
Manufacturing Letters
|September 21, 2022
Summary
Flexible manufacturing systems (FMS) can adapt to rapid demand changes using data-enabled modeling with mobile robots. This study introduces a novel method to evaluate FMS performance, minimizing production loss.
Area of Science:
- Industrial Engineering
- Operations Research
- Robotics
Background:
- Modern supply chains face unpredictable demand fluctuations, as seen during the COVID-19 pandemic.
- Flexible Manufacturing Systems (FMS) are crucial for adapting production volumes to market dynamics.
- Effective modeling is needed to enhance FMS responsiveness and minimize disruptions.
Purpose of the Study:
- To propose a novel data-enabled method for modeling Flexible Manufacturing Systems (FMS).
- To evaluate the dynamic performance of an FMS utilizing mobile multi-skilled robots.
- To introduce metrics for assessing and attributing permanent production loss in FMS.
Main Methods:
- Development of a data-enabled model for FMS.
- Simulation and analysis of FMS performance using mobile multi-skilled robots.
- Derivation of mathematical expressions for permanent production loss evaluation and attribution.
Main Results:
- The proposed data-enabled model effectively captures the dynamic behavior of FMS.
- The method allows for accurate evaluation and attribution of permanent production loss.
- Case studies demonstrate the practical applicability and validation of the model.
Conclusions:
- Data-enabled modeling with mobile robots enhances FMS adaptability to demand volatility.
- The developed performance metrics provide valuable insights for optimizing FMS operations.
- This approach offers a robust framework for improving manufacturing system resilience.
Related Concept Videos
01:01Production Efficiency
17.0K
Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
17.0K
01:14Mechanical Efficiency of Real Machines
817
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
However, in reality, no machine can be truly ideal, and all of them experience some...
817
01:18Reducing Line Loss
188
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss...
188
01:21Energy Losses in Transformers
944
In an ideal transformer, it is assumed that there are no energy losses, and, hence, all the power at the primary winding is transferred to the secondary winding. However, in reality, the transformers always have some energy losses, and, hence, the output power obtained at the secondary winding is less than the input power at the primary winding due to energy losses.
There are four main reasons for energy losses in transformers.
The first cause can be the high resistance of the...
There are four main reasons for energy losses in transformers.
The first cause can be the high resistance of the...
944
01:21Distributed Loads: Problem Solving
701
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
701
01:25Multimachine Stability
218
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
218