Daniel Selva
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View article: Are Explanations Helpful Under Uncertainty? Effects of Uncertainty in AI-Assisted Spacecraft Anomaly Diagnosis
Are Explanations Helpful Under Uncertainty? Effects of Uncertainty in AI-Assisted Spacecraft Anomaly Diagnosis Open
This study contributes to the domain of explainable AI (XAI) by examining how uncertainty in an AI agent’s diagnosis affects human decision-making in high-stakes, time-critical environments. We conducted a randomized controlled experiment …
View article: Effects of Explanations and Accuracy on Human Performance and Trust in AI-Assisted Anomaly Diagnosis Tasks
Effects of Explanations and Accuracy on Human Performance and Trust in AI-Assisted Anomaly Diagnosis Tasks Open
The increasing popularity of Artificial Intelligence (AI) emphasizes the need for a deeper understanding of the factors that can influence its use. Providing accurate explanations may be a critical factor to help establish trust and increa…
View article: Optimizing Satellite Mission Requirements to Measure Total Suspended Solids in Rivers
Optimizing Satellite Mission Requirements to Measure Total Suspended Solids in Rivers Open
Human modification of the landscape affects total suspended solid (TSS) concentrations in water. The quantitative extent of these changes remains poorly understood, partly because of the challenges associated with observing TSS dynamics in…
View article: Multi-Objective Design of a Lunar GNSS
Multi-Objective Design of a Lunar GNSS Open
The success of future lunar missions depends on quality positioning, navigation, and timing (PNT) information. Earthbound GNSS signals can be received at lunar distances but suffer from poor geometric dilution of precision (GDOP) and provi…
View article: Special Issue: Artificial Intelligence and Engineering Design
Special Issue: Artificial Intelligence and Engineering Design Open
Artificial intelligence (AI) has had a strong presence in engineering design for decades, and while theory, methods, and tools for engineering design have advanced significantly during this time, many grand challenges remain. Modern advanc…
View article: Examining the Impact of Asymmetry in Lattice-Based Mechanical Metamaterials
Examining the Impact of Asymmetry in Lattice-Based Mechanical Metamaterials Open
Lattice-based mechanical metamaterials can be tailored for a wide variety of applications by modifying the underlying mesostructure. However, most existing lattice patterns take symmetry as a starting point. We show that asymmetric lattice…
View article: Tradespace Analysis of GNSS Space Segment Architectures
Tradespace Analysis of GNSS Space Segment Architectures Open
Global Navigation Satellite Systems (GNSS) provide ubiquitous, continuous and reliable positioning, navigation and timing information around the world. However, GNSS space segment design decisions have been based on the precursor Global Po…
View article: Exploring the Design Space of Lunar GNSS in Frozen Orbit Conditions
Exploring the Design Space of Lunar GNSS in Frozen Orbit Conditions Open
The past decade has witnessed a growing interest in lunar exploration missions. The autonomy of lunar surface and in-orbit missions is, however, dependent on accurate and instantaneous navigation services. These services can not be provide…
View article: Daphne: A Virtual Assistant for Designing Earth Observation Distributed Spacecraft Missions
Daphne: A Virtual Assistant for Designing Earth Observation Distributed Spacecraft Missions Open
This article describes Daphne, a virtual assistant for designing Earth observation distributed spacecraft missions. It is, to the best of our knowledge, the first virtual assistant for such application. The article provides a thorough desc…
View article: Design Guidelines for General-Purpose Payload-Oriented Nanosatellite Software Architectures
Design Guidelines for General-Purpose Payload-Oriented Nanosatellite Software Architectures Open
Satellite imagery has become an essential resource for environmental, humanitarian, and industrial endeavours. As a means to satisfy the requirements of new applications and user needs, novel Earth Observation (EO) systems are exploring th…
View article: Experiments with Human Integration in Asynchronous and Sequential Multi-agent Frameworks for Architecture Optimization
Experiments with Human Integration in Asynchronous and Sequential Multi-agent Frameworks for Architecture Optimization Open
Architecting large complex systems is a challenging task due to the presence of uncertainty, ambiguity, and subjectivity as well as the extremely large space of candidate architectures. While the traditional approach to system architecting…