Physics-Informed Machine Learning Society

  • FDP: 25 September 2026

  • Annual Meeting: 08–09 July 2027

  • Andhra Pradesh, India

  • pimlsociety@gmail.com

Engineering Research Community

Biomedical Instrumentation & Physics-Informed Machine Learning

Physics-grounded modelling, learning and validation for Biomedical Instrumentation

Biomedical Instrumentation designs systems that acquire, condition, digitize, interpret and sometimes act on physiological or biological signals. It includes ECG, EEG, EMG, blood pressure, flow, pulse oximetry, bioimpedance, ultrasound, imaging detectors, laboratory instruments, wearables and implantable sensors.

PIML can model the complete measurement chain—from physiological source through tissue and transducer to electronics—so hidden variables are reconstructed without treating waveforms as context-free data.

This page presents ten focused research areas, degree-level project pathways, selected publications and direct support through the PIMLS biweekly members meeting.

This Biomedical Instrumentation guide covers Physics-Informed Neural Networks (PINNs), physics-guided machine learning, scientific machine learning, neural operators, hybrid models and engineering digital twins. Explore the research and project pathways below, then join the Physics-Informed Machine Learning Society to connect with the international PIMLS community.

The central ideaEstablished Biomedical Instrumentation knowledge + measurements and simulation + machine learning
10focused research areas
3academic project pathways
6selected publications
Biweeklymember research meeting
Why this combination matters

Why Biomedical Instrumentation Needs Physics-Informed Learning

Use available scientific knowledge to make limited data more useful, transparent and testable.

Expensive models and experiments

PIML can reduce repeated simulation or experimental cost while retaining the governing knowledge used in Biomedical Instrumentation.

Incomplete engineering models

Learn uncertain parameters, closures or discrepancies around an inspectable mechanistic foundation.

Transfer across conditions

Test whether structured models generalize across geometries, materials, assets, operating regimes or sites.

Trustworthy evidence

Use physical residuals, independent measurements, uncertainty and conventional engineering baselines before deployment.

Ten focused directions

Major Biomedical Instrumentation PIML Research Areas

Each card connects a meaningful Biomedical Instrumentation question with suitable scientific knowledge, modelling choices and evidence needed to test it.

01

Cuffless Blood-Pressure Monitoring

PPG or bioimpedance encodes pressure through vascular and measurement physics. PIML opportunities: Combine hemodynamic and sensor forward models with participant-held-out learning.

Model and evidenceGoverning equations, calibrated measurements and held-out operating conditions
02

ECG and Cardiac Mapping

Surface potentials provide incomplete observations of electrical activation. PIML opportunities: Use electrophysiology and volume-conduction constraints for inverse mapping.

Model and evidenceMechanistic and data-only baselines, uncertainty and independent validation
03

EEG Source Reconstruction

Scalp electrodes observe mixed neural sources through conductive tissue. PIML opportunities: Embed head geometry and electromagnetic forward operators in regularized inversion.

Model and evidenceGeometry, material or system parameters, sensor data and physical residuals
04

EMG and Neuromuscular Assessment

Signals depend on motor units, tissue conduction and electrode geometry. PIML opportunities: Fuse physiological source models with motion and force observations.

Model and evidenceGoverning equations, calibrated measurements and held-out operating conditions
05

Pulse Oximetry

Light absorption depends on wavelength, path and perfusion. PIML opportunities: Use Beer–Lambert/radiative priors and uncertainty for motion/skin/device shift.

Model and evidenceMechanistic and data-only baselines, uncertainty and independent validation
06

Bioimpedance Spectroscopy

Frequency response reflects tissues, electrodes and geometry. PIML opportunities: Estimate physiological parameters through circuit/field-informed models.

Model and evidenceGeometry, material or system parameters, sensor data and physical residuals
07

Ultrasound Instrumentation

Wave propagation and beam formation govern acquired echoes. PIML opportunities: Embed acoustic forward models in reconstruction and calibration.

Model and evidenceGoverning equations, calibrated measurements and held-out operating conditions
08

Wearable Sensor Fusion

IMU, optical, electrical and temperature sensors sample related states. PIML opportunities: Use kinematic/physiological state models and modality-specific measurement functions.

Model and evidenceMechanistic and data-only baselines, uncertainty and independent validation
09

Implantable Biosensors

Diffusion, reaction, fouling and drift change response. PIML opportunities: Learn bounded kinetic/interface discrepancy with longitudinal calibration.

Model and evidenceGeometry, material or system parameters, sensor data and physical residuals
10

Laboratory Diagnostic Instruments

Optical/electrochemical assays have structured calibration and interference. PIML opportunities: Join assay physics, reaction kinetics and traceability records.

Model and evidenceGoverning equations, calibrated measurements and held-out operating conditions
PIMLS member support

Unsure which research area fits your background?

Submit the form and join a biweekly members meeting to discuss your idea with the Society.

Choose the right research depth

Projects for Every Academic Stage

Start with a scope that matches your time, mathematical background, experimental access and expected research contribution.

Project pathway 1

B.E./B.Tech

Learn the foundations with a bounded, measurable system.

  • ECG forward/inverse toy model
  • Beer–Lambert pulse-oximeter estimator
  • bioimpedance circuit parameter inference
  • motion-aware wearable sensor fusion
Expected outcome

A reproducible implementation, clear baselines, a manageable dataset and physically meaningful validation.

Project pathway 3

Ph.D.

Address a publishable methodological, multiscale or deployment research gap.

  • metrology-aware biomedical PIML
  • multimodal patient/device measurement twins
  • prospective validation of hybrid wearables
  • certifiable closed-loop biomedical instruments
Expected outcome

New methodology or validated engineering insight, multi-regime evidence, reproducible software and journal publications.

From idea to evidence

A Strong PIML Project Workflow

01

Define

Choose one Biomedical Instrumentation question and a measurable engineering output.

02

Model

State the governing relationships, constraints or validated domain knowledge you will retain.

03

Compare

Build mechanistic and data-only baselines before the hybrid model.

04

Validate

Hold out experiments, conditions, assets, sites or regimes at the deployment level.

05

Publish

Report uncertainty, ablation, limitations, data lineage and reproducible code.

Read before you model

Selected Publications and Why They Matter

Use this focused reading list to understand the general PIML framework, direct Biomedical Instrumentation evidence and suitable hybrid modelling methods.

Literature review advice

Do not list papers only. Compare the engineering question, incorporated knowledge, data, split strategy, baselines, uncertainty and evidence level.

Discuss Your Literature

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record

This source is included in the Biomedical Instrumentation literature guide because it demonstrates or reviews a relevant physics-informed, hybrid, inverse, surrogate or scientific-machine-learning approach. Read the methods, data split, baselines and validation evidence—not only the reported accuracy.

How to use this paper: Use this paper to refine the research question, identify a defensible physical prior and compare evidence requirements for Biomedical Instrumentation.
Read publication or record
Build an interdisciplinary team

Where Biomedical Instrumentation Can Collaborate

Computer Science

Scientific ML, optimization, trustworthy AI and reproducible research software.

Applied Mathematics

Differential equations, numerical methods, inverse problems and uncertainty.

Sensing & Control

Instrumentation, data acquisition, state estimation and responsible deployment.

Domain Laboratories

Experiments, calibration, validation evidence and practical expertise for Biomedical Instrumentation.

Before you begin

Frequently Asked Research Questions

These answers help students avoid common scope, terminology and validation mistakes.

Still have a question?

Use the biweekly meeting form for research guidance.

Request access

No. Biomedical Instrumentation projects may use physics-guided features, hybrid residual models, differentiable simulators, neural operators, constrained architectures or data assimilation. State exactly what knowledge is incorporated.

Choose one engineering question, a measurable output and a defensible mechanistic baseline. Add learning only where data can identify an uncertainty or discrepancy.

A meaningful question, justified prior knowledge, deployment-level holdouts, strong baselines, ablation, uncertainty, reproducibility and honest limitations.

Simulation can broaden coverage, but simulation-only evidence cannot establish real-system accuracy. Use calibrated experiments, field measurements or trusted independent references appropriate to the claim.

Submit the biweekly members meeting form to discuss your project level, branch, data, model, validation plan and possible collaborators.

Take the next step

Bring your Biomedical Instrumentation research idea to PIMLS

Join the biweekly members meeting for project guidance, collaboration and publication planning—or contact the Society directly.

Meeting participation is requested through the Google form. Complete it carefully so the Society can understand your research interest.