Expert opinion | Technology

Data Processing vs Artificial Intelligence at the service of energy efficiency

Posted on:21 October 2022

Manual data processing and artificial intelligence are often presented as opposites. At Dametis, our experience demonstrates that human expertise is still necessary to achieve better results with Artificial Intelligence, especially in the field of energy efficiency.

Jérémy Barrais, product manager at Dametis, talks to us about the advantages of Dametis’ data processing method compared to the traditional big or smart data method.

The difference between Big Data, Smart Data, and data models used by Dametis

Big Data: A large amount of data is provided to AI

Due to the heterogeneity of the data that makes up the big data, correlations can be found randomly. The large number of parameters involved affects the accuracy of the different correlations. Even worse, some correlations can be completely meaningless.

Correlations of this kind have already been made. An AI has notably associated the number of ice cream sales and drownings, even though the two have no cause-and-effect relationship. They simply share the same cause, the increase in beach attendance.

Another example: It has been observed that the number of toilet flushes in a southern state of the United States is proportional to the number of divorces observed in a state on the opposite side. Yet, there is no connection between these two phenomena.

Smart Data: Data is selected by theme, to focus on a functional context.

With Smart Data, data is grouped by theme, allowing AI to use data from relevant functional areas. This ensures that correlations are made with data that may have a causal relationship. The challenge is not to limit the scope too much in order to avoid excluding factors that may ultimately have an influence.

Business expertise remains essential at this stage. Our specialists at Dametis carry out on-site measurement plans, which is a fundamental element of smart data, enabling the selection of the most significant and impactful data.

Dametis Model: Data is contextualized before being analyzed by AI.

Thanks to their in-depth expertise, Dametis specialists know which industry perimeters can be correlated, and the data from the facilities that artificial intelligence must examine to propose optimizations, detect anomalies, and deviations.

The block diagram, a tool for contextualizing the data

Dametis will then provide context to the various data to enrich the AI in its analysis.
To do this, Dametis will first define the physical relationships between the data and thus build a “schema”.
In addition to this mesh, this data will feed into “blocks” representing the different installations of a factory (which is itself a block in its own right, made up of “child” blocks, which is at the core of our “Lego theory”).
These blocks are configured by our experts to integrate all the “business” logic. This mesh and these blocks represent our concept of the “block schema”.
The block diagram of our energy management supervision software MyDametis

The block diagram, a concept allowing for more accurate predictions

Once built, the block diagram allows you to easily map out a factory, a utility, a process, or an equipment.

For example, the temperatures of a fluid at different stages of its circulation loop (central outlet, exchanger 1, exchanger 2 inlet, central return, etc.) will no longer be evaluated independently but rather in relation to each other. For a compressed air installation, the on/off status of the compressors, their electrical consumption, the flow rate, and the central outlet pressure are all interrelated to provide a “link” between the data.

Associating them with a block diagram representing the installation will provide additional contextual information. The data is then enriched with knowledge, known as “metadata.”

The operating conditions of each block will also be provided to offer even more information, such as operating instructions.

This contextualization in the form of a block diagram enriches the collected data and thus refines the modeling and predictions.

Imagine specialists working 24/7 on optimizing your industrial sites. This is what MyDametis offers, the only platform designed 100% by environmental performance experts.

A model with multiple benefits

Jérémy Barrais reminds us that, although Dametis’ initial actions focus on the energy aspect, today, the areas examined go further, including material losses, optimization of cleaning in place (CIP).
Once the model is configured by our experts, AI will use all these elements to model your entire installation, from the smallest element to the largest assembly. Many benefits result from this.

Real-time

You can consult your data and the modeled ones in real time. This allows you to identify any faulty or drifting data. The optimization of MyDametis’ graphic analysis module also allows you to visualize the data over different aggregation periods, ensuring you always have the most suitable macro view of the observed phenomenon. You can easily switch between “second” views for a temporal analysis of operations, an “hourly” view to profile consumption, or a “daily” or “monthly” view to track consumption and compare it to your invoices.

Drift Analysis

This real-time feature allows you to have complete control over your facilities. Nothing will be left to chance as any deviation is visible on your platform.

Automatic Notifications

You receive automatic notifications as soon as data or an analysis is suspected. For example, in areas where the volume of material losses suddenly increases. Additionally, you receive alerts when there is a technical failure.