Edgar Felipe SIERRA ALONSO PhD, Data Scientist , Signal Processing

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Senior Data Scientist

MaintainX Inc. (SaaS Company)

Jul 2025 - Current (10 months)

Crafting AI Systems for Identifying Failures in Rotating Machines.

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Senior Data Scientist - DSP Vibration analysis

TRACTIAN

Jul 2023 - Jul 2025 (2 years 1 month)

- Developed compression algorithms for vibration signals using both AI and traditional Discrete Cosine Transform (DCT) methodologies. Achieved space savings comparable to MP3 format while preserving essential information for vibration signal analysis. - As a Signal Processing expert, led the enhancement of Digital Signal Processing (DSP) techniques, significantly improving spectrum visualization clarity. - Spearheaded the development and optimization of equalization algorithms for sensors, resulting in marked improvements in measurement precision and reliability. - Developed a Bearing Failure Identification Model using machine learning techniques, achieving over 85% accuracy in detecting failing bearings.

Adjunct Fellow

victoria university

Jan 2023 - Current (3 years 4 months)

- Publications in A1/A2 Journals My main task is to characterize the vibrations of cargo transport vehicles in order to design optimal packaging solutions, reducing their environmental impact.

Research Fellow

victoria university

May 2022 - Dec 2022 (8 months)

- Algorithm to track vibrations produced by the rotating parts in a transporting vehicle - Write papers ready for submission

Machine Learning Specialist

Dynamox

Mar 2021 - May 2021 (3 months)

- I developed a velocity estimation algorithm using physical and machine learning models. - I developed a remaining useful life model using machine learning-based regression (Neural Networks).

PhD Student

INSA Lyon

Jan 2016 - Jun 2020 (4 years 6 months)

- Publish research papers in conferences and Journals - Laboratory assistant on bearing failure identification lectures. Active member of the Laboratoire Vibrations Acoustique (LVA), a laboratory part of the Centre Lyonnais d’Acoustique (CeLya)

Occasional lecturer Ad-Honorem

Universidad Nacional de Colombia

Jan 2015 - Feb 2015 (2 months)

- In charge of a course of 30 students, 4h per week

Research Assistant

Universidad Nacional de Colombia

Jan 2011 - Jun 2020 (9 years 6 months)

- Proposed filtering algorithms to enhance fault detection in bearings. - Developed algorithms for estimating the instantaneous angular velocity of rotating machinery. - Applied machine learning models for fault identification in bearings. - Proposed an algorithm based on Empirical Mode Decomposition (EMD) for extracting respiratory frequency from an HRV signal. Member of the GCPDS (Group of Digital Signal Processing and Pattern Recognition) specializing in the application of signal processing and pattern recognition techniques to vibration-acoustic signals of rotating machinery.

Edgar Felipe SIERRA ALONSO

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Edgar Felipe SIERRA ALONSO