On Using Simulation to Predict the Performance of Robot Swarms
Antoine Ligot1, Mauro Birattari2
1IRIDIA, Université libre de Bruxelles, Brussels, Belgium.
Scientific Data
|December 29, 2022
Summary
Bridging the reality gap in robot swarm simulations is crucial. Pseudo-reality predictors offer more accurate real-world performance estimates than traditional methods, reducing the need for physical robot testing.
Area of Science:
- Robotics
- Artificial Intelligence
- Control Systems Engineering
Background:
- The reality gap, the discrepancy between simulation and real-world robot swarm performance, poses a significant challenge in control software design.
- Current methods require extensive and costly physical robot testing to validate simulation-based control software.
- Accurate prediction of real-world performance from simulations is highly desirable to reduce experimental costs and time.
Purpose of the Study:
- To empirically evaluate and compare various simulation-based predictors for robot swarm performance.
- To assess the effectiveness of the classical approach versus pseudo-reality predictors in estimating real-world performance.
- To identify methods that can accurately predict robot swarm behavior without physical experimentation.
Main Methods:
- Compared the classical approach (using the design simulation model) with pseudo-reality predictors (using alternative simulation models).
- Utilized a dataset of 1021 control software instances and their corresponding real-world performance data from seven prior studies.
- Empirically evaluated the accuracy of each predictor in estimating actual robot swarm performance.
Main Results:
- Pseudo-reality predictors demonstrated superior accuracy in estimating real-world robot swarm performance compared to the classical approach.
- The study provides empirical evidence supporting the use of pseudo-reality predictors for more reliable performance estimation.
- Results indicate a significant improvement in prediction accuracy by employing simulation models distinct from the original design model.
Conclusions:
- Pseudo-reality predictors are more effective than the classical simulation-based approach for predicting robot swarm performance in the real world.
- Adopting pseudo-reality predictors can significantly reduce the reliance on expensive and time-consuming physical robot testing.
- This research offers a pathway to more efficient and cost-effective development of robot swarm control software.


