Enforcing hard constraints with soft barriers: Safe reinforcement learning in unknown stochastic environments

Y Wang, SS Zhan, R Jiao, Z Wang… - International …, 2023 - proceedings.mlr.press
It is quite challenging to ensure the safety of reinforcement learning (RL) agents in an
unknown and stochastic environment under hard constraints that require the system state …

Spatiotemporal scene-graph embedding for autonomous vehicle collision prediction

AV Malawade, SY Yu, B Hsu… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
In autonomous vehicles (AVs), early warning systems rely on collision prediction to ensure
occupant safety. However, state-of-the-art methods using deep convolutional networks …

Formal certification methods for automated vehicle safety assessment

T Zhao, E Yurtsever, JA Paulson… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Challenges related to automated driving are no longer focused on just the construction of
such automated vehicles (AVs) but also on assuring the safety of operation. Recent …

Deep reinforcement learning with temporal logics

M Hasanbeig, D Kroening, A Abate - … and Analysis of Timed Systems: 18th …, 2020 - Springer
The combination of data-driven learning methods with formal reasoning has seen a surge of
interest, as either area has the potential to bolstering the other. For instance, formal methods …

Polar-express: Efficient and precise formal reachability analysis of neural-network controlled systems

Y Wang, W Zhou, J Fan, Z Wang, J Li… - … on Computer-Aided …, 2023 - ieeexplore.ieee.org
Neural networks (NNs) playing the role of controllers have demonstrated impressive
empirical performance on challenging control problems. However, the potential adoption of …

Know the unknowns: Addressing disturbances and uncertainties in autonomous systems

Q Zhu, W Li, H Kim, Y **ang, K Wardega… - Proceedings of the 39th …, 2020 - dl.acm.org
Future autonomous systems will employ complex sensing, computation, and communication
components for their perception, planning, control, and coordination, and could operate in …

Efficient global robustness certification of neural networks via interleaving twin-network encoding

Z Wang, C Huang, Q Zhu - 2022 Design, Automation & Test in …, 2022 - ieeexplore.ieee.org
The robustness of deep neural networks has received significant interest recently, especially
when being deployed in safety-critical systems, as it is important to analyze how sensitive …

Energy-efficient control adaptation with safety guarantees for learning-enabled cyber-physical systems

Y Wang, C Huang, Q Zhu - … of the 39th International Conference on …, 2020 - dl.acm.org
Neural networks have been increasingly applied to control in learning-enabled cyber-
physical systems (LE-CPSs) and demonstrated great promises in improving system …

Physics-aware safety-assured design of hierarchical neural network based planner

X Liu, C Huang, Y Wang, B Zheng… - 2022 ACM/IEEE 13th …, 2022 - ieeexplore.ieee.org
Neural networks have shown great promises in planning, control, and general decision
making for learning-enabled cyber-physical systems (LE-CPSs), especially in improving …

Safety-assured design and adaptation of learning-enabled autonomous systems

Q Zhu, C Huang, R Jiao, S Lan, H Liang, X Liu… - Proceedings of the 26th …, 2021 - dl.acm.org
Future autonomous systems will employ sophisticated machine learning techniques for the
sensing and perception of the surroundings and the making corresponding decisions for …