Digital Commons Network^™

Feasibility Of Failure-Resilient Swarm Formation Flying And Multi-Beam Coherent Apertures In 10000+ High-Density Satellite Swarms, Sumio Morioka

Small Satellite Conference

Direct-to-Device (D2D) communication links satellites directly to ground terminals without large antennas, supporting future Cyber-Physical Systems (CPS) and IoT. Our earlier work [1] showed that a formation of 10,000+ ultra-small satellites, as a coherent phased-array aperture, closes the D2D link budget. This study asks whether the formation can be operated within each satellite’s available power.

Lego®-Based Cubesats For Space Outreach, Stefan Brandle, Joshua Brown, Evan Smith, Drew Nye, Sydney Reddy, Twidy Kwae, Kaiya Grzesiak, Matthew Roderer, John Hetz

Small Satellite Conference

Taylor University Computer Science and Engineering is building a satellite having a LEGO®-robotics-based payload.

Mission Goals

• Have university students build a novel ELEO satellite
• Demonstrate viability of LEGO robotics electronics in space for short-term low-altitude missions
• Enhance space awareness by capturing the public's imagination through integral use of LEGO in an actual satellite
• Identify partners willing to provide advice and promote this project
• Create additional pathways for K-12 and university student participation in building satellites and satellite-related projects
• Support other space-education organizations through a high-visibility satellite project
• Continue space outreach efforts in the spirit of the ThinSat project
• ThinSat was …

Reacquiring Satellites After Unknown Maneuvers In Sensor Blind Spots: A Physics-Informed Behavioral Framework For Closed-Loop Custody Recovery, Naushad Rahman, Niha Agarwalla, Hardik Patel

Small Satellite Conference

Operational problem

After a maneuver during a sensor blind spot, a pre­-gap catalog state may no longer be operationally sufficient. A null look at GS2 must become evidence for where the object could be­ – and where to task next – before access expires.

Recap: A Study Of Downlink Optimization Methods Using Mms As A Template, Connor Firth, Conrad Schiff, Stephen Kreisler, Alexander Barrie

Small Satellite Conference

Motivations: MMS as a paradigm for downlink optimization

• MMS is a multi-agent mission requiring downlink optimization. ReCAP (Remote Coordination, Actuation, and Planning) assigns ground contacts using auctions.
• Five realistic downlink optimization cases are studied, and the amount of data downlinked is tracked to illustrate ReCAP’s ability to optimize for different criteria.
• ReCAP demonstrates value as a real-time, onboard downlink optimization tool.

University Ground-Station-As-A-Service: Promoting Space It Education And University Collaboration, Daniel Freburg, Will Lewis, Charles Edamala, Phoenix Alpine

Small Satellite Conference

Poster presented at the 2026 Small Satellite Conference

Validation Of Steering Law For A 4-Variable-Speed Single-Gimbal Control Moment Gyroscope Pyramid Cluster Via Spherical Air-Bearing Testbed, Kai Kuo Liao, Chih Ta Wu, Jen Hao Cheng, Po Hsun Yen, Shang Jung Lee

Small Satellite Conference

• VSCMG: wheel speed is commanded with gimbal rate — the extra DOF lets the cluster slide past singularities.
• HIL: a Helmholtz cage replays the on-orbit field and a solar simulator sets the Sun line.
• This work: HIL validation of a weighted-pseudoinverse steering law, 4-unit pyramid.

Publication Analysis Of Aslib Journal Of Information Management From 2016 To 2025, Sumit Karmahapatra, Akshaya Kumar Nayak

Library Philosophy and Practice (e-journal)

The current study presents a bibliometric analysis of the ASLIB Journal of Information Management (AJIM) from 2016 to 2025. Bibliographic data sourced from Scopus and VOSviewer was used for network visualization. 599 documents published in AJIM over the period were identified, with contributions from 1,749 authors residing in 69 countries and citations totalling 8,606. The output rate increased dramatically during the specified period, rising from 40 publications in 2016 to a peak of 140 in 2025. At the same time, the average citations per document (ACPD) over the specified period was estimated at 14.37, varying from 26.37 in 2018 to …

Nasa’S Ecostress Satellite Reveals Widespread Midday Depression In Ecosystem Evapotranspiration, Jingyi Bu, Jingfeng Xiao, Joshua B. Fisher, Yiqi Luo

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Plants often exhibit a midday depression in water use (i.e., transpiration), reflecting a constraint on their ability to sustain maximum water transport, which may occur at the cost of reduced photosynthesis. Eddy covariance observations and geostationary satellites cannot quantify this widespread phenomenon globally while resolving fine-scale spatial variability. Using evapotranspiration measurements from the ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) and machine learning, we quantify the global distribution of midday depression in evapotranspiration. Midday depression primarily occurs during peak-growing seasons in temperate zones and dry periods in the tropics, with a morning shift of the peak evapotranspiration time …

Evaluation Of Mechanical And Durability Performance Of Concrete With And Without Surface-Treated Plastic Fine Aggregates, Siva Ikkurthi, Qingli Dai

Michigan Tech Publications

Global plastic waste generation and excessive sand extraction are major environmental challenges, but replacing fine aggregate with plastic waste often degrades concrete performance. This work characterizes concrete incorporating recycled HDPE and PET fine aggregates at a 10% volumetric replacement level, with and without polymer-specific surface treatment, across fresh, mechanical, and durability properties. Untreated plastic aggregate generally lowered mechanical performance due to low polymer stiffness, weak plastic–paste bonding, and greater interfacial void formation. Surface treatment partially offsets these effects by strengthening the plastic–paste bond. H2O2-treated HDPE granules recovered the 28-day elastic modulus to within 3% of the control while also improving …

Probing The Capsid: Ph-Driven Gating At The Aav 5-Fold Pore And Its Role In Peptide Ligand Binding, Arianna Minzoni, Benjamin Bobay, Shriarjun Shastry, Eduardo Barbieri, Brandon Brino, Crystal Collazo, Shizuo Kamita, Danni Wang, Ciera Khuu, Alexander Polgar, Joseph Siino, Sushmita Koley, Peyton Russelburg, Mark Snyder, Christopher Belisle, Michael Daniele, Stefano Menegatti

Michigan Tech Publications

Background/Objectives: Adeno-associated virus (AAV) capsids undergo pH-dependent conformational gating at the 5-fold symmetry pore, but how these structural dynamics shape serotype-specific behavior and affinity-ligand recognition remains unclear, particularly for the clinically important serotypes AAV8 and AAV9. This study aimed to establish a pH-resolved structural framework linking 5-fold pore dynamics to peptide-ligand recognition and to translate this framework into sequence-based design principles for affinity capture of gene therapy vectors. Methods: AAV8 and AAV9 5-fold capsid assemblies were subjected to 500 ns molecular dynamics simulations under acidic (pH 5), neutral (pH 7), and basic (pH 9) conditions, with analysis of pore volume, …

Optimizing Heart Failure-Specific Disease Management Programs And Patient Care In Saudi Arabia: A Saudi Heart Association Position Statement, Abeer Bakhsh, Fakhr Al Ayoubi, Fayez Elshaer, Hanan B. Albackr, Hanin A. Bogari, Ibrahim Jelaidan, Ismail Raslan, Kamal Al Ghalayini, Maryam Alqaseer, Waleed Alhabeeb

Journal of the Saudi Heart Association

Background: Heart failure (HF) represents a major and growing health burden in Saudi Arabia, with high morbidity, frequent hospitalizations, and substantial system-level costs. Despite advances in guideline-directed medical therapy, gaps in diagnosis, care coordination, and longitudinal management persist. Structured, multidisciplinary heart failure–specific disease management programs (HF-DMPs) have been shown to improve outcomes and healthcare efficiency, yet their implementation remains inconsistent across the Kingdom.

Methods: The Saudi Heart Association (SHA) convened a multidisciplinary expert panel to develop a national position statement on HF-DMPs. Recommendations were formulated through structured consensus, informed by a comprehensive review of international guidelines, clinical trials, real-world evidence, …

Dynaband: Context-Aware Dynamic Band Selection For Onboard Hyperspectral Processing In Small Satellites, Rishigesh Jayananth, Brasen Sheeh

Small Satellite Conference

Hyperspectral small satellites now collect far more data than they can return to the ground. A single acquisition spans tens to hundreds of spectral bands, yet the downlink window on one pass carries only a fraction of it, so operators are forced to drop scenes, bin bands coarsely, or store data that never reaches the ground. Much of this waste is avoidable. When the task is known before the spacecraft images, whether to map water, monitor vegetation, or pick out a mineral signature, only a handful of bands actually carry the answer; the rest is paid for in downlink and …

Leveraging Persistent L-Band Leo-To-Geo Relays For The Orchestration Of High-Bandwidth Optical Inter-Satellite Links, Jonathan Maier, Skylar A. Cox

Small Satellite Conference

As the already tremendous demand for data transfer in Low Earth Orbit (LEO) grows, Free-Space Optical (FSO) communication has emerged as a critical capability due to high data rates and inherent resilience attributes. However, the operational complexity of FSO, specifically the Pointing, Acquisition, and Tracking (PAT) process, requires significant operational planning. The narrow beamwidth of optical terminals requires precise spatial coordination, resulting in latency during link establishment, heavy reliance on scheduled ground-based commanding, and an impediment to agile, responsive, and ad hoc operations.

This paper presents a novel orchestration architecture utilizing Viasat’s L-band space relay network as a persistent, always-on …

Metadata-Conditioned Dark-Frame Modelling And Hsdr-Scanfusion Denoising: A Physics-Informed Independent Tool For Low-Cost Hyperspectral Small-Satellite Calibration, Nooh Adnan, Kyaw Thiha, Raffael Gil Dela Cruz, Li Cheng Zheng, Faijul Amin, Areeba Khan, Sameha Tasnim, Sung Jegal, Yunhan Bao, Iliya Shofman

Small Satellite Conference

Hyperspectral imaging in the shortwave-infrared spectrum is valuable for orbital Earth observation, but its use on low-cost, resource-constrained small satellites is limited by thermally dependent dark current, fixed-pattern noise, and intermittent access to matched calibration frames. Traditional mitigation through active cooling, shutters, or frequent dark-frame acquisition can be difficult to accommodate within small-satellite mass, power, volume, and operations budgets. This paper presents a physics-informed independent calibration tool that reconstructs condition-matched dark response from acquisition metadata rather than relying on hardware-heavy calibration at every operating point. The framework combines a stochastic dark-noise simulator, a metadata-conditioned neural dark operator that predicts spectral-spatial …

Event-Driven Spacecraft Operations Demonstrated On Mms, Miles Bengtson, Alexander Barrie, Joseph Patton, Liam Greenlee, Paul Wood, Marcus Piquette, Russell Bjella, Matthew Chang, Joshua Paul

Small Satellite Conference

Operations engineers face the challenging task of capturing high-value science data while maintaining spacecraft health and functionality and responding to a dynamic space environment using limited information. This task is becoming increasingly complex as missions involve increasingly large numbers of spacecraft, target more elusive science signatures, and operate under growing budget and staffing constraints. Conventional pre-programmed time-sequence commands become increasingly burdensome for multi-spacecraft missions and are fundamentally incapable of reacting to rare, transient science events in real time.

To address this challenge, we have developed MEDOS: the Module for Event-Driven Operations of Spacecraft. Unlike machine learning and neural-network approaches, MEDOS …

Let’S Give The Fsck Up On Secded, Heather M. Quinn, Andrew Pineda, Gary Swift

Small Satellite Conference

Many space systems use error correcting codes (ECC) for handling radiation-induced upsets in memories. The most used ECCs are Hamming and Hsaio, which are single-error correction/double-error detection (SECDED) codes. The widespread use of these codes can lead to a dangerous overestimation of system reliability. Instead these codes are one of the best documented methods for microprocessor-based system crashes, due to uncorrectable faults. Less well documented is how these codes can lead to silent data corruption caused by miscorrections, where multiple errors are detected as a single error and corrected erroneously.

ECCs have always been sensitive to time-dependent errors, where SEUs …

Design And Qualification Of A Compact, Deployable Dual-Monopole Antenna System For Remote Sensing Microsatellites, Alexander J. Murphy, Bryan Johnston-Lemke, Robert E. Zee

Small Satellite Conference

Spacecraft conducting signals intelligence (SIGINT) missions require highly capable radio-frequency (RF) payloads. While the larger 80 kg-class platforms offer increased payload capacities, strict internal volume limitations persist. These constraints sometimes require stowing instruments, such as the dual-monopole Very High Frequency (VHF) antenna presented in this work, directly beneath the solar wings. This requirement has imposed a strict height constraint on the VHF antenna, mandating a highly compact and reliable deployment mechanism that avoids snagging or jamming during deployment. 

This paper presents the mechanism design and qualification test plan of a novel, deployable dual-monopole VHF antenna system designed to increase satellite …

Intel® Government Technologies Space Products: Leading Edge Compute For Space, Robert Ciccariello, Ricardo Ascazubi, Kyle Dobkins, Nitesh Melwani, Ed Mily, Mike Nassan, Sean O’Neill, Ruchika Singh, Dan Weinstein

Small Satellite Conference

Commercial off-the-shelf (COTS) components are unlikely to meet the environmental survivability and assurance requirements to accomplish mission objectives in the harsh space environment. On the opposite end of the spectrum, developing custom space components on leading-edge technologies will often require multiple contractors and lengthy R&D efforts that significantly increase development costs and timelines. Intel Government Technologies (IGT) is introducing a space product roadmap, focused on space grade systems-in-package (SiPs) designed to address the transition from bespoke legacy architectures to low-SWaP, high-performance processing platforms for on-orbit systems. IGT Space Products are derived from Intel’s latest commercial technology and are uniquely configured, …

Recovery Of Grus-1e From Magnetic Torquer Loss Using Data-Driven Open-Loop Attitude Steering, Nader Ganaba, Takanori Iwata, Minoru Kurata

Small Satellite Conference

In typical low Earth orbit (LEO) operations, the inability to remove excess angular momentum often leads to the decommissioning of a satellite. This paper presents the on-orbit recovery of GRUS-1E, a hundred kg class Earth observation satellite in Axelspace Corporation’s GRUS-1 constellation. The recovery followed the permanent loss of magnetic torquer commanding capability, which in turn disabled the satellite’s nominal reaction wheel momentum unloading. In addition, the satellite experienced persistent disturbance torques that significantly exceeded the combined contributions predicted by standard models, including gravity gradient, solar radiation pressure, aerodynamic drag, and the estimated residual magnetic dipole moment. The magnitude of …

A Smallsat In Vleo: The Orion Kraken Approach, Chad Fish, Crystal Frazier, Sun-Hee Goldsberry, Katie Nyland, Will Armijo, Raj Patel, Elijah Vance, Adam Reynolds, Nathan Tipton, Kevin Quintana, Sam Clowes, Rachel Stutz, Keith Underwood, Jared Stromberg, Justin Berger, Erich Hoover, Andrew Irvine, Ali Wise, Christian Frazier, Derek Taylor, Kong Yang, Tracy Cueto, Wes Leong, Greg Ushomirsky, Charles Swenson, Paul Bernhart, Ron Reedy, Tim Minton, Mitchell Weins, Kent Frankovich

Small Satellite Conference

The Orion Space Solutions' Kraken Mission, sponsored by DARPA and implemented by a science and engineering team led by Orion Space Solutions, will make in-situ and remote sensing space weather observations from Very Low Earth Orbit (VLEO). The mission instrument suite will include Langmuir Probes, RF Impedance Probes, HF Sounders, Atomic Oxygen Sensors, Science Magnetometers, Floating Potential Probes, and Science Accelerometers. Long-term (approximately 4-6 month lifetime), repeated measurements of plasma density and other plasma and neutral parameters in this region are very rare, and the Kraken data is expected to contribute considerably to space weather and science modeling of VLEO. …

The Cospar-1 Spacecraft: Advancing Space Science And Capacity Building Through International Collaboration, Amal Chandran, Hex20 Ltd., Carlos Gabriel, Loren C. Chang

Small Satellite Conference

The Committee on Space Research (COSPAR) is the world's leading organization for advancing space science. The COSPAR Panel for a Constellation of Small Satellites (PCSS) was assembled in 2020 to examine how emerging CubeSat and small satellite technology could help solve outstanding questions in Space Weather, Earth Climate change, and Radiation Belt studies through constellations of miniature spacecraft. The COSPAR-1 spacecraft is a 3U CubeSat carrying a Solar Spectral Sensor from the Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado Boulder to observe solar output across the UV-to-IR spectrum, an Earth Radiation Sensor from LATMOS in …

The Landolt Mission Payload: An Artificial Star For Precision Astronomy, Peter Pachowicz, Peter Plavchan, Gabrielle Belle, Jay Deorukhkar, Philip Cunio, Eliad Peretz, John Mather, Peter Kurczynski, Angelle Tanner, Susana Deustua, Brian Alberding, Joseph Rice, Thomas Michaud-Baeyens, Jean-Thomomas Landry, Marc-Andre Boucher, David Ciardi, Mike Lund, Justin Albert, Greg Alderling, Brian Stalder, Daniel Stevens, Jamie Tayar, Daniel Kuesters, Tabetha Boyajian

Small Satellite Conference

The Landolt Mission represents a significant advancement in space-based instrumentation, serving as NASA’s first hybrid space mission. Central to the mission is a smallsat deployed in Geostationary Orbit (GEO), carrying the SI Traceable Absolute Radiometer [STAR] comprised of two Laser Instruments (LI) and an Element Wheel technology demonstrator. The LI utilizes six specialized Laser Trays to project SI-calibrated light beams at various wavelengths into ground telescopes. By creating a stable, SI-traceable calibration source, the Landolt mission aims to provide an unprecedented level of precision in astronomical observations. These advancements are expected to facilitate transformative discoveries in exoplanet host stars, supernova …

Monitoring Spoken Language In Infants And Toddlers Who Are Deaf Or Hard Of Hearing Using The Lena Developmental Snapshot, Monika-Maria Oster, Kimberly A. Peters

Journal of Early Hearing Detection and Intervention

Purpose: This retrospective analysis evaluates the Developmental Snapshot as a language monitoring tool for infants and toddlers with bilateral hearing loss who use listening and spoken language.

Method: Data were obtained from the educational and clinical records of 147 children with bilateral hearing loss. For each child, the LENA (Language ENvironment Analysis) Developmental Snapshot, a standardized online language assessment that relies on parent report, had been completed at least once. When available, scores from other standardized language assessments (PLS-5, CDI, and DAYC-2) were also obtained.

Results: LENA Developmental Snapshot standard scores were characterized by high variability and mean scores in …

Early Childhood Access To Language Acquisition Services In Arizona, Kendra Benedict, Wendy Steuerwald, Najwa Ghattas, Cheryl Johnson

Journal of Early Hearing Detection and Intervention

This investigation reviewed existing services and gaps for young children who are deaf or hard of hearing (DHH) in Arizona and explored community-based approaches to improve access to language development resources. The study was conducted in two phases, each focusing on different approaches for language acquisition based on surveys of parents and providers. Phase I, completed in 2024, addressed listening and spoken language (LSL) as a methodology for language acquisition while Phase II, completed in 2025, focused on the use of American Sign Language (ASL). Findings from Phase I surveys found that 63% of parents reported using LSL as the …

Journal Of Early Hearing Detection And Intervention: Volume 11 Issue 1, Pages 1-80

Journal of Early Hearing Detection and Intervention

No abstract provided.

Odin: Optomechanical Distributed Instrument For Inertial Sensing And Navigation, Mohanad Warrayat, Jackson Dahn, Ramses Miranda, Andrea Nelson, Jeremiah Stoddart, Miguel Dovale, Jose Sanjuan, Felipe Guzman, Daniel Selva

Small Satellite Conference

ODIN (Optomechanical Distributed Instrument for Inertial sensing and Navigation) is a gyroscope-free inertial measurement unit based on a cube of six monolithic fused silica wafers which complete a twelve-axis sensing capability, i.e., three linear, three angular, and six centripetal acceleration measurements. ODIN will fly as a secondary payload on the GRATTIS (Gravitational Reference Advanced Technology Test in Space) mission, slated for launch in February of 2027, led by the University of Florida and funded by the NASA InVEST program. By the end of the GRATTIS mission, it is expected that ODIN will reach an exit TRL-7.

The primary objective of …

Proclaiming The Suppressed Truth: Romans 1:16-25, Michael D. Royster

Sermon Studies

When Paul wrote about “suppressing the truth,” he remembered the tactics used on those who proclaimed the Word of God. Before Paul’s conversion, he approved of Stephen’s public execution by stoning. After Paul’s conversion, he on more than one occasion fled the scene to escape persecution and attempted murder. Like Stephen, Paul became a proclaimer of the truth and faced an imminent threat of violence to further suppress his message. There exist possible homiletical directions the preacher may take and a range of collective illustrations that can bridge the ancient with the modern world concerning matters of the heart and …

Towards Designing And Performing Biological Sex: Explorations Of The Cyborg And The Inanimate, Beja Puskas

Theatre and Dance Honors Projects

While gender has been largely debunked as a form of performance, biological sex remains an irreducible point of departure. This essay challenges biological sex as a category through the Foucauldian lens of bio-power and technologies of the self. It merges findings from interviews surrounding intersectionally marginalized experiences with menstruation with trans and disability studies. Utilizing Mel Chen’s theory of animacies, and Margrit Shildrick’s human-technology amalgamation theory, this essay blurs the biological-artificial binary. While there are obstacles, limiting what is biologically possible for humans, the body can be significantly augmented through imagination, body modification, and the invention of newly gendered practices.

Unboxing Relations: An Ethnographic Study Of Blind Box Consumption In The U.S., Wendy Zheng

Sociology Honors Projects

Blind box consumption is a format for purchasing packaged toys without knowing the specific item in advance. It has become a global trend and is often viewed as irrational or gambling-like behavior in past literature. Drawing on ethnographic observations and interviews conducted in retail settings, this study examines how consumers make sense of uncertainty through social interaction. This study proposes a two-layer model of consumption. In the first layer, social interaction during the consumption process helps consumers negotiate risk, generate meaning, and become more skilled buyers. In the second layer, consumers engage in moral and value judgments that involve distancing …

Acs3 Results And Lesson Learned, Philip Shih, Olive Stohlman, Ivan Bertaska, Andres Dono Perez

Small Satellite Conference

ACS3 (Advanced Composite Solar Sail System) was a technology demonstration mission for the National Aeronautics and Space Administration¹, to demonstrate the deployment of a solar sail of size 80m² from a new NASA-developed compact deployable composite boom² packaged in a 12U CubeSat. The extended objective of the mission was to perform attitude control and orbit maneuvering. ACS3 was successfully launched on 24 April 2024 local time via Rocket Lab Electron launch vehicle from Rocket Lab Launch Complex 1B in Mahia, New Zealand. Following four months of commissioning operations, the solar sail was deployed on 28 August …