AI & Data Science

AI, machine learning and data science services for engineering

Machine learning, predictive maintenance, sensor analytics, computer vision and forecasting for engineering systems, built on honest validation rather than headline accuracy.

  • Core capabilities8
  • Services in this area15
  • ValidationMatches data structure
  • Accuracy claimsNone published

Capabilities

What we can analyse

Each capability links to a full service page describing scope, methods, inputs and deliverables.

  • #36

    Machine learning

    Machine-learning methods for engineering problems with physical data, designed around data quality…

  • #38

    Predictive maintenance

    Development of condition-based and predictive maintenance analytics: health indicators, anomaly and…

  • #40

    Sensor analytics

    Processing and interpretation of sensor and instrumentation signals: filtering, spectral and time-frequency…

  • #39

    Computer vision

    Image-based analysis for engineering tasks such as defect detection, microstructure or crack segmentation and…

  • #41

    Anomaly detection

    Detection of unusual behaviour in engineering data using statistical and learning-based methods, tuned to the…

  • #43

    Engineering forecasting

    Forecasting of engineering quantities such as load, generation, wear or demand using machine-learning models…

  • #42

    Industrial IoT analytics

    Analytics for data streams from connected industrial equipment, including data-quality assessment…

  • #37

    Engineering data science

    End-to-end analysis of engineering datasets, from cleaning and exploration to modelling and communication…

Lifecycle

The engineering data-science lifecycle

Six stages, each with one check that keeps the work honest.

  1. Define task

    Start from the decision or claim the model is meant to support and the cost of errors.

    Key checkWhich decision does the model support?
  2. Audit data

    Check missing values, sensor faults, mislabeled records, unit inconsistencies and duplicates.

    Key checkLeakage and data quality
  3. Build features

    Construct features from cleaned data, recording each step so it can be reproduced.

    Key checkProcessing fitted on training data only
  4. Model

    Match the method to data size and structure, from interpretable models to neural networks.

    Key checkA simple baseline to beat
  5. Validate

    Validate in a way that follows the data structure and report uncertainty.

    Key checkSplits by machine, batch or time
  6. Monitor

    Watch for drift once the model is in use.

    Key checkNew data when drift appears
Weak validation sends the work back to the data audit, and monitoring that reveals drift calls for new data.

Validation

Why validation design matters

Honest validation

Splits that respect the data

Engineering data are often sequential or clustered by machine, specimen or batch. Random splits then make test data resemble training data and inflate scores. We validate by specimen, machine or time block and compare against simple baselines.

No fabricated claims

No fabricated performance claims

This site does not publish accuracy figures for ENGRexpert models because none have been verified for publication.

Accuracy depends on the data, and we assess it rather than assume it. We report failures and limits of applicability alongside the headline metrics.

Approach

How we approach AI for engineering

What AI and data science support means for engineering research

Artificial intelligence and data science in engineering cover regression and classification, time-series forecasting, anomaly detection, computer vision, signal processing, surrogate modelling, optimisation and decision support. The aim is not to apply the newest algorithm but to answer a research or technical question with defensible evidence. In practice, most of the effort lies in understanding the data, defining the target, designing validation and interpreting results. We support these stages and the writing of results for publication, and we do not promise accuracy levels that the data cannot support.

Problem definition and feasibility

We begin with the decision or claim the model is meant to support and the cost of errors. We then assess feasibility: how many independent samples exist, how reliable the labels are, whether the operating conditions in the data cover those of interest and what baseline performance can be achieved by a simple method. Sometimes the right conclusion is that the data are not yet sufficient and that targeted data collection is the best investment.

This honest assessment prevents wasted effort and unrealistic expectations.

Data preparation and quality

Raw engineering data often contain missing values, sensor faults, mislabeled records, unit inconsistencies and duplicates. Preparation includes documentation of sources, handling of missing data, outlier analysis based on physical reasoning, resampling and alignment of time series, and feature construction. Each step is recorded so that it can be reproduced, and the data processing is fitted using training data only to avoid leakage.

Where privacy or confidentiality applies, we recommend anonymisation or on-premises processing and agree on arrangements at scoping.

Modelling approaches

We consider interpretable models, tree-based methods, kernel methods, probabilistic models and neural networks, matched to data size and structure. For small datasets, regularised and physics-informed models often outperform deep networks. For images and signals with ample labelled data, convolutional and sequence models may be appropriate. Hyperparameter tuning uses nested validation to avoid optimistic estimates.

We compare against simple baselines and report the improvement with intervals.

Choosing between classical statistics and machine learning

Classical statistical models such as linear and generalised linear models, mixed models and survival analysis give interpretable parameters and confidence intervals, and they work well with modest data when the structure is known. Machine learning excels at flexible prediction from many variables when plenty of data exist. A sensible workflow starts with a simple statistical model, uses it as a baseline and moves to complex models only if they add measurable value on held-out data.

In many engineering studies, the most valuable output is understanding which variables matter and by how much, which favours interpretable models. We help choose and justify the approach.

Interpretation, physics and domain knowledge

Explanations from models, such as feature importance or partial dependence, are hypotheses to be checked against domain knowledge and, if possible, experiments. Physics-informed approaches embed known constraints. A model that predicts well but contradicts physics should be treated with suspicion and examined for leakage or confounding.

We work with the client's domain expertise to interpret results.

Credibility

Making results defensible

Validation and uncertainty

Validation strategies follow the data structure: grouped cross-validation by machine, batch, experiment or location; time-based splits for forecasting; external validation on a different site or period when possible. Metrics are chosen for the decision: error in physical units, calibration of probabilities, detection delay and false alarm rate for monitoring. Uncertainty is quantified by ensembles, Bayesian methods or conformal prediction as appropriate.

We report failures and limits of applicability.

Common pitfalls in AI-for-engineering studies

Frequent pitfalls include data leakage, random splitting of correlated samples, comparison against untuned baselines, evaluation on easy cases, ignoring class imbalance, overinterpretation of feature importance and extrapolation beyond the training range. Avoiding them requires planning validation before modelling.

Our review of a draft paper includes a check for these pitfalls.

Reproducible pipelines and documentation

A reproducible pipeline fixes the software environment, records random seeds, versions code and data, and automates the steps from raw data to figures. A readme explains how to run it. Model cards or data statements summarise intended use, training data, evaluation and limitations.

We deliver pipelines with this documentation so that reviewers and colleagues can verify the results.

Responsible use of client data

Client data are used only for the agreed purpose, stored securely for the engagement and deleted or returned afterwards. We do not train general-purpose models on client data and do not share data with third parties without permission.

Writing and publishing AI-based engineering research

Reviewers expect clear problem statements, data descriptions, baselines, ablation studies, uncertainty and honest discussion of limitations. Data and code availability are increasingly expected. We help structure the paper, prepare figures and tables and write the methods and limitations sections, based on the authors' results.

Summary: what good AI-for-engineering research looks like

It starts with a clear decision, uses data that represent deployment conditions, splits by independent units, compares with simple baselines, quantifies uncertainty, interprets results with domain knowledge and reports limitations openly.

Our support aims to make each of those elements easier to deliver and to document.

Working together

Deliverables, applications and how we start

Deliverables

Deliverables typically include a data description, a documented pipeline, trained models with evaluation reports, figures and tables for publication, and a methods text suitable for a manuscript. We provide scripts and environment details to support reproducibility. We do not provide production deployment, monitoring services or guarantees of performance on future data.

If deployment is required, a separate engineering effort is needed, which we can discuss in general terms.

Applications we commonly support

Examples of research applications include predictive maintenance studies, structural health monitoring analytics, materials property prediction, process optimisation, energy forecasting, surrogate models for expensive simulations, image-based inspection and quality prediction. These are examples of categories, not claims of past projects.

Each application has its own data issues, and we tailor the approach.

Getting started

Describe your data, target and objective, and whether you want modelling support, review of an existing analysis or help writing. We will propose a plan and tell you what data or validation would strengthen the work.

Starting an AI or data science project

Send a description of your data (type, size, collection method), the target you want to predict or understand, the performance that would be useful and any constraints on tools or privacy. We will respond with questions, a feasibility view and a proposed plan.

FAQs

Frequently asked questions about AI and data science support

17 answers on data, validation, leakage, deployment and confidentiality.

Can you guarantee a given accuracy?

No, accuracy depends on the data.

Can you work with small datasets?

Yes, with appropriate methods and honest uncertainty.

Can you deploy the model in production?

Not as part of research support.

Do you use client data to train other models?

No; client data are used only for the agreed purpose.

Can you review an existing analysis?

Yes, as an independent technical review.

What do I need to send to start?

A description of your data (type, size, collection method), the target you want to predict or understand, the performance that would be useful and any constraints on tools or privacy. We respond with questions, a feasibility view and a proposed plan.

Is my data enough for machine learning?

We assess feasibility first: how many independent samples exist, how reliable the labels are, whether the operating conditions in the data cover those of interest and what a simple baseline achieves. Sometimes the honest conclusion is that targeted data collection is the best investment.

Should I use classical statistics or machine learning?

A sensible workflow starts with a simple statistical model as a baseline and moves to complex models only if they add measurable value on held-out data. In many engineering studies, understanding which variables matter favours interpretable models. We help choose and justify the approach.

How do you avoid data leakage?

Validation is planned before modelling and follows the data structure: grouped cross-validation by machine, batch, experiment or location, and time-based splits for forecasting. Data processing is fitted on training data only. See how leakage undermines results.

How do you report performance and uncertainty?

Metrics are chosen for the decision, such as error in physical units, calibration of probabilities, or detection delay and false-alarm rate. Uncertainty is quantified by ensembles, Bayesian methods or conformal prediction as appropriate, and failures and limits of applicability are reported.

What data does predictive maintenance need?

It depends on the equipment, the failure modes and how labels were recorded. See what data predictive maintenance needs for the main considerations.

Can you make the results reproducible?

Yes. A reproducible pipeline fixes the software environment, records random seeds, versions code and data and automates the steps from raw data to figures, with a readme and model cards or data statements.

Can you help me write up an AI-based study?

Yes. Reviewers expect clear problem statements, data descriptions, baselines, ablation studies, uncertainty and honest discussion of limitations. We help structure the paper and prepare figures and tables. We do not guarantee acceptance by any journal.

Can you explain why the model makes its predictions?

Explanations such as feature importance or partial dependence are treated as hypotheses to be checked against domain knowledge and, where possible, experiments. A model that predicts well but contradicts physics is examined for leakage or confounding.

How is my data protected?

Client data are used only for the agreed purpose, stored securely for the engagement and deleted or returned afterwards. Where privacy applies, we recommend anonymisation or on-premises processing and agree arrangements at scoping. Please do not send confidential files through the public form.

Do you publish accuracy figures for your models?

No. This site publishes no accuracy figures for ENGRexpert models because none have been verified for publication. Accuracy depends on the data and is assessed, not assumed.

How is an AI or data science project priced?

Scope, assumptions, deliverables, timeline and fee are agreed in writing before work begins. This website states no prices, response times or free-consultation terms because they depend on the scope.

Full catalogue

All AI, data science and optimisation services

Discuss your project

Share your objectives, data situation and target outcome. We will assess the scope and suggest sensible next steps.