Frequency-temporal-logic-based bearing fault diagnosis and fault interpretation using Bayesian optimization with Bayesian neural networks

G Chen, M Liu, J Chen - Mechanical Systems and Signal Processing, 2020 - Elsevier
Rolling element bearings are widely used components in modern rotary machines, and
accurate diagnosis and interpretation for faults of bearings are significant for equipment …

Offline and online learning of signal temporal logic formulae using decision trees

G Bombara, C Belta - ACM Transactions on Cyber-Physical Systems, 2021 - dl.acm.org
In this article, we focus on inferring high-level descriptions of a system from its execution
traces. Specifically, we consider a classification problem where system behaviors are …

[HTML][HTML] Safety exploration using Gaussian process classification for uncertain systems

K Wang, PP Menon, J Veenman, S Bennani - Reliability Engineering & …, 2025 - Elsevier
In this paper, a novel method for identifying safe and unsafe regions of the system's
uncertain parameter space is proposed. For a given set of performance requirements, such …

Active fuzzing for testing and securing cyber-physical systems

Y Chen, B Xuan, CM Poskitt, J Sun… - Proceedings of the 29th …, 2020 - dl.acm.org
Cyber-physical systems (CPSs) in critical infrastructure face a pervasive threat from
attackers, motivating research into a variety of countermeasures for securing them …

Specification mining and robust design under uncertainty: A stochastic temporal logic approach

P Kyriakis, JV Deshmukh, P Bogdan - ACM Transactions on Embedded …, 2019 - dl.acm.org
In this paper, we propose Stochastic Temporal Logic (StTL) as a formalism for expressing
probabilistic specifications on time-varying behaviors of controlled stochastic dynamical …

Mining environment assumptions for cyber-physical system models

S Mohammadinejad, JV Deshmukh… - 2020 ACM/IEEE 11th …, 2020 - ieeexplore.ieee.org
Many complex cyber-physical systems can be modeled as heterogeneous components
interacting with each other in real-time. We assume that the correctness of each component …

Causality-aided falsification

T Akazaki, Y Kumazawa, I Hasuo - arXiv preprint arXiv:1709.02555, 2017 - arxiv.org
Falsification is drawing attention in quality assurance of heterogeneous systems whose
complexities are beyond most verification techniques' scalability. In this paper we introduce …

Temporal logic inference for fault detection of switched systems with Gaussian process dynamics

G Chen, P Wei, M Liu - IEEE Transactions on Automation …, 2021 - ieeexplore.ieee.org
In this article, we present a method for constructing the fault detector in the form of signal
temporal logic (STL) formulas, which can be understood by human users and formally …

Formal interpretation of cyber-physical system performance with temporal logic

G Chen, Z Sabato, Z Kong - Cyber-Physical Systems, 2018 - Taylor & Francis
The inherent and increasing complexity of many cyber-physical systems (CPSs) makes it
challenging for human users or designers to comprehend and interpret their performance …

Automated property synthesis of odes based bio-pathways models

J Zhou, R Ramanathan, WF Wong… - … Methods in Systems …, 2017 - Springer
Identifying non-trivial requirements for large complex dynamical systems is a challenging but
fruitful task. Once identified such requirements can be used to validate updated versions of …