Matthew Daigle
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View article: ProgPy: Python Packages for Prognostics and HealthManagement of Engineering Systems
ProgPy: Python Packages for Prognostics and HealthManagement of Engineering Systems Open
Prognostics of engineering systems or systems of systems is the prediction of future performance and/or the time at which one or more events of interest occur.Prognostics can be applied in a variety of applications, from spacecraft and air…
View article: Georgia’s Approach to Proportionality and Sanctions for the Spoliation of Electronically Stored Information
Georgia’s Approach to Proportionality and Sanctions for the Spoliation of Electronically Stored Information Open
The rapid evolution and implementation of technology in society has resulted in the increasing use of data as evidence in court. While the scope of discovery is limited by, among other things, the burden imposed on the producing party, the…
View article: Experimental Validation of Model-Based Prognostics for Pneumatic Valves
Experimental Validation of Model-Based Prognostics for Pneumatic Valves Open
Because valves control many critical operations, they are prime candidates for deployment of prognostic algorithms. But, similar to the situation with most other components, examples of failures experienced in the field are hard to come by…
View article: A Generic Software Architecture for Prognostics (GSAP)
A Generic Software Architecture for Prognostics (GSAP) Open
Prognostics is a systems engineering discipline focused on predicting end-of-life of components and systems. As a relatively new and emerging technology, there are few fielded implementations of prognostics, due in part to practitioners pe…
View article: Development of a Mobile Robot Test Platform and Methods for Validation of Prognostics-Enabled Decision Making Algorithms
Development of a Mobile Robot Test Platform and Methods for Validation of Prognostics-Enabled Decision Making Algorithms Open
As fault diagnosis and prognosis systems in aerospace applications become more capable, the ability to utilize information supplied by them becomes increasingly important. While certain types of vehicle health data can be effectively proce…
View article: A Comparative Study on Computation of Cumulative Distribution Function in Predicting Time of Failure of Engineering Systems
A Comparative Study on Computation of Cumulative Distribution Function in Predicting Time of Failure of Engineering Systems Open
Estimating accurate Time-of-Failure (ToF) of a system is key in making the decisions that impact operational safety and optimize cost. In this context, it is interesting to note that different approaches have been explored to tackle the pr…
View article: Hybrid Particle Petri Net-Based Prognosis of a Planetary Rover
Hybrid Particle Petri Net-Based Prognosis of a Planetary Rover Open
International audience
View article: Real-Time Monitoring and Prediction of Airspace Safety
Real-Time Monitoring and Prediction of Airspace Safety Open
The U.S. National Airspace System (NAS) has reached an extremely high level of safety in recent years. However, it will only become more difficult to maintain the current level of safety with the forecasted increase in operations, and so t…
View article: Validation of Model-Based Prognostics for Pneumatic Valves in a Cryogenic Fueling Demonstration Testbed
Validation of Model-Based Prognostics for Pneumatic Valves in a Cryogenic Fueling Demonstration Testbed Open
Because valves control many critical operations, they are prime candidates for deployment of prognostic algorithms. But, similar to the situation with most other components, examples of failures experienced in the field are hard to come by…
View article: GPU Accelerated Prognostics
GPU Accelerated Prognostics Open
Prognostic methods enable operators and maintainers to predict the future performance for critical systems. However, these methods can be computationally expensive and may need to be performed each time new information about the system bec…
View article: Real Time Safety Monitoring: Concept for Supporting Safe Flight Operations
Real Time Safety Monitoring: Concept for Supporting Safe Flight Operations Open
A number of organizations are working on processes, procedures, regulations, and technologies to maintain or improve the safety of the National Airspace System (NAS). In this paper, we describe a Real Time Safety Monitoring (RTSM) system t…
View article: System-level Prognostics for the National Airspace
System-level Prognostics for the National Airspace Open
In the National Airspace System (NAS), safety is assured through a set of rules, regulations, and procedures to respond to unsafe events. However, safety stands to benefit immensely from the introduction of tools and methodologies from Pro…
View article: A Qualitative Fault Isolation Approach for Parametric and Discrete Faults Using Structural Model Decomposition
A Qualitative Fault Isolation Approach for Parametric and Discrete Faults Using Structural Model Decomposition Open
With increasing complexity of engineering systems, fault diagnostics plays a significant role in ensuring that they operate safely. Such systems most often exhibit mixed discrete and continuous, i.e., hybrid, behavior, and may encounter bo…
View article: Qualitative Fault Isolation of Hybrid Systems: A Structural Model Decomposition-Based Approach
Qualitative Fault Isolation of Hybrid Systems: A Structural Model Decomposition-Based Approach Open
Quick and robust fault diagnosis is critical to ensuring safe operation of complex engineering systems. A large number of techniques are available to provide fault diagnosis in systems with continuous dynamics. However, many systems in aer…
View article: Predicting Real-Time Safety of the National Airspace System
Predicting Real-Time Safety of the National Airspace System Open
To gain the situational awareness necessary for informed decision making regarding avoidance of airspace hazards, each operator must consolidate operations-relevant information from disparate sources and apply extensive domain knowledge to…