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Dynamic Cost Estimation and Optimization Strategy in Engineering Cost Combining Reinforcement Learning

Xi Zhang

Xi Zhang

School of Civil Engineering, Chang’an UniversityChina
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Zhang, Xi
  
11 apr 2025
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Pubblicato online: 11 apr 2025
Ricevuto: 05 dic 2024
Accettato: 05 mar 2025
DOI: https://doi.org/10.2478/amns-2025-0844
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© 2025 Xi Zhang, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

A neural network-based cost estimation model.
A neural network-based cost estimation model.

Figure 2

Reinforcement learning framework for cost optimization.
Reinforcement learning framework for cost optimization.

Figure 3.

Pareto front representation for multi-objective cost optimization.
Pareto front representation for multi-objective cost optimization.

Figure 4.

Predicted vs. actual costs for different models.
Predicted vs. actual costs for different models.

Figure 5

Cost allocation before and after optimization.
Cost allocation before and after optimization.

Figure 6

Pareto front for multi-objective cost optimization.
Pareto front for multi-objective cost optimization.

Performance comparison of different cost estimation models_

Model MAE RMSE R2
Linear Regression 12.4% 18.2% 0.72
Support Vector Regression 9.8% 14.6% 0.81
Deep Neural Networks 6.2% 10.4% 0.89
Proposed Model 4.3% 7.6% 0.94

Cost savings achieved through rl-based optimization_

Project Type Initial Cost Estimate Optimized Cost Cost Savings (%)
Infrastructure Development $5.6M $5.2M 7.1%
Residential Construction $2.8M $2.6M 7.5%
Commercial Projects $4.2M $3.9M 7.1%
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Inglese
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