mHealth Case Study Presenting Design SynMeth, a Rapid Prototyping MBSE Methodology, by Advancing Specific OPM-to-SysML Mapping
Bibliographic record
Abstract
Designing IoT-based cognitive assessment and monitoring devices for older adults poses critical challenges in managing trade-offs between accessibility and functionality. With the global aging population to exceed 2 billion by 2050, an increasing number of older adults will require Active Assisted Living (AAL) technologies to support independent living. Cognitive impairments make standard interfaces difficult to use, necessitating user-centered design approaches. Effective solutions must address the transition from document-centric to model-based design, incorporating co-design with users and caregivers, iterative modeling cycles, and continuous model evolution. This study highlights key factors that call for a hybrid approach, blending the flexibility of rapid prototyping with the accuracy and robustness of precision engineering. This study demonstrates a successful implementation of a cognitive detection device within an AAL European project by presenting Design SynMeth, a novel blended Model-Based Systems Engineering methodology that maps Object-Process Methodology (OPM) to Systems Modeling Language (SysML) using a modified MagicGrid framework. This approach bridges early and late design phases, integrating OPM’s strength in conceptual modeling and SysML’s rigor in technical specifications. Design SynMeth enhances system design efficiency and adaptability to IoT challenges. The case study reveals how Design SynMeth methodology models the architecture of a mobile health well-being device for detecting cognitive issues, supporting seniors’ autonomy. It highlights the dynamic interplay between problem and solution domains, leveraging OPM diagrams for problem domain and SysML diagrams for requirements and solution domain. This work advances the state of the art in IoT-based cognitive monitoring and promotes innovative, human-centered engineering for aging societies.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.008 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.002 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.002 | 0.004 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.006 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".