Intelligent Overspeed Control in Autonomous Vehicles with DQN Deep Reinforcement Learning.

Date:

In this talk, we explore the implementation of our research titled “Intelligent Overspeed Control in Autonomous Vehicles with DQN Deep Reinforcement Learning.”


Introduction

  • Road accidents cause about 3700 deaths per day (WHO)
  • Reckless driving and over-speeding are major causes
  • Different zones require different speed limits
    • Residential
    • School zones
    • Highways
  • Need intelligent speed control system

Research Background

  • Traditional speed control lacks adaptability
  • Reinforcement Learning learns from environment interaction
  • Deep Reinforcement Learning improves performance
  • Research gap:
    • Limited work on zone-based intelligent speed control

Research Objective

  • Develop a DQN-based intelligent speed control system
  • Detect over-speeding in different zones
  • Apply intelligent deceleration:
    • High
    • Medium
    • Low
  • Optimize vehicle speed according to zone limits

Methodology

  • 4×4 grid environment simulation
  • Zone-based speed limits (20–80 km/h)
  • Inputs:
    • Current speed
    • Zone speed limit
    • Speed difference
  • Action space:
    • High deceleration
    • Medium deceleration
    • Low deceleration
  • Reward function:
    • Encourage safe speed

System Architecture

  • Environment state input
  • LSTM-based DQN model
  • Action selection mechanism
  • Speed adjustment output

Key Findings

  • Model adapts to different speed zones
  • Intelligent deceleration improves safety
  • Effective decision-making under varying conditions

Discussion & Implications

  • Reduces over-speeding in multiple zones
  • Adapts to uncertain driving environments
  • Supports autonomous and semi-autonomous driving safety

Conclusion

  • DQN-based speed control is effective
  • LSTM-DQN selects appropriate deceleration
  • Dynamic speed control improves road safety

Future Work

  • Use real-world driving datasets
  • Multi-agent learning for traffic scenarios
  • Add pedestrian and collision detection
  • Real-time deployment in autonomous vehicles

Thank You

Feel free to contribute, raise issues, or suggest improvements!

After Technical Session

Rajshahi University (RU)