Projects per year
Personal profile
Research Interests
The researcher’s work centers on proactive condition monitoring and fault detection in industrial systems, with a strong emphasis on machine learning, data-driven analytics, and scalable implementations. Across publications, the core themes include one-class learning for fault detection under limited labeled data, time-series and vibration signal analysis for health assessment, and practical architectures (including serverless and cloud-enabled solutions) to enable online or near-real-time monitoring. Methodologies combine unsupervised and semi-supervised learning (autoencoders, GANs, one-class SVM), frequency-domain analysis (FFT) of motor currents and vibration signals, and deployment perspectives that integrate agile design thinking with industry collaboration. The impact lies in demonstrating robust fault detection under data scarcity, illustrating how spectral features and learned representations correlate with fault severity, and proving scalable, industry-relevant architectures for continuous condition monitoring and early maintenance actions.
Key Topics:
- Artificial Intelligence, Machine Learning & Data Science
- Manufacturing Systems, Maintenance, Reliability & Predictive Maintenance (PHM)
- Sensors, Instrumentation & Measurement Systems
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Collaborations and top research areas from the last five years
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CricketHub: Advanced Technology for the Integral Improvement of Breeding and Nutritional Value of Domestic Crickets (Gryllus aff. assimilis) Inside Closed Environments in the Ecuadorian Highlands
Sanchez Loja, R. V. (Col), Villacis Marin, M. L. (Col), Huerta, M. K. (Col), Cerrada Lozada, M. (PI) & Jimenez Santin, D. P. (Student)
18/12/24 → …
Project: Research and Development
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Data-Driven Anomaly Detectors for Time Series Data and Big Data (DD-ANDET)
Sanchez Loja, R. V. (Col), Cabrera Mendieta, D. R. (Col), Villacis Marin, M. L. (Col) & Cerrada Lozada, M. (PI)
18/01/24 → …
Project: Research and Development
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Sewer-Seer: Robotic Computer Vision System for Sewer Pipe Diagnosis Using Artificial Intelligence for the Drinking Water and Sanitation Department of the Intercultural GAD of the Cañar Canton
Sanchez Loja, R. V. (Col), Cabrera Mendieta, D. R. (PI), Villacis Marin, M. L. (Col), Cerrada Lozada, M. (Col) & Romero Torres, R. A. (Student)
30/11/23 → …
Project: Research and Development
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Smart Diagnosis and Prognosis of Rotating Machinery Condition in the Context of Industry 4.0
Llerena Pizarro, O. R. (Col), Sanchez Loja, R. V. (PI), Cabrera Mendieta, D. R. (Col), Perez Torres, J. A. (Col), Ortiz Farfan, C. G. (Student), Vacacela Costa, A. S. (Student), Villacis Marin, M. L. (Col), Guaman Buestan, A. D. P. (Col), Ortega Lucero, L. R. (Student), Llivicura Orellana, H. F. (Student), Calle Lazo, A. K. (Student), Zambrano Mendoza, J. X. (Student), Montalvo Ureta, D. V. (Student), Llaguarima Pillacela, A. I. (Student), Lucero Otorongo, P. M. (CoI), Macancela Poveda, J. C. (CoI), Pacheco Cordova, E. E. (CoI), Torres Diaz, C. P. (CoI), Vásquez, R. (CoI), Siguencia Urgiles, J. F. (CoI), Cajas Muñoz, F. D. (CoI), Li, C. (CoI) & Valente De Oliveira, J. L. (CoI)
23/01/20 → …
Project: Research and Development
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Severity Evaluation of Failures in Spur and Helical Gears Using Vibration, Current and Acoustic Emission Signals
Llerena Pizarro, O. R. (Col), Sanchez Loja, R. V. (PI), Cabrera Mendieta, D. R. (Col), Perez Torres, J. A. (Col), Ortiz Farfan, C. G. (Student), Vacacela Costa, A. S. (Student), Villacis Marin, M. L. (Col), Guaman Buestan, A. D. P. (Col), Lojano Armijos, F. J. (Student), Montalvan Pulla, F. I. (Student), Ortega Lucero, L. R. (Student), Llivicura Orellana, H. F. (Student), Calle Lazo, A. K. (Student), Calderon Malla, J. C. (Student), Chacon Cherrez, D. S. (Student), Lucero Otorongo, P. M. (CoI), Macancela Poveda, J. C. (CoI), Pacheco Cordova, E. E. (CoI), Vásquez, R. (CoI), Cajas Muñoz, F. D. (CoI), Li, C. (CoI), Trujillo Reyes, L. (CoI) & Valente De Oliveira, J. L. (CoI)
22/05/19 → …
Project: Research and Development
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Comparative Analysis of Autoencoder and Contrastive One-Class Anomaly Detection in Reciprocating Compressors
Villacís, M., Cabrera, D., Sánchez, R. V., Cerrada, M., Li, C. & Long, J., 2024, ICSMD 2024 - 5th International Conference on Sensing, Measurement and Data Analytics in the Era of Artificial Intelligence. Institute of Electrical and Electronics Engineers Inc., (ICSMD 2024 - 5th International Conference on Sensing, Measurement and Data Analytics in the Era of Artificial Intelligence).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Serverless Architecture for Online Fault Detection in a Vertical Shaft Multistage Centrifugal Pump
Villacís, M. L., Cabrera, D., Sánchez, R. V. & Cerrada, M., 2023, Lecture Notes on Data Engineering and Communications Technologies. Springer Science and Business Media Deutschland GmbH, p. 507-512 6 p. (Lecture Notes on Data Engineering and Communications Technologies; vol. 160).Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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Adversarial Fault Detector Guided by One-Class Learning for a Multistage Centrifugal Pump
Cabrera, D., Villacis, M., Cerrada, M., Sanchez, R. V., Li, C., Sancho, F., Long, J. & Estupinan, E., 2022, (Accepted/In press) In: IEEE/ASME Transactions on Mechatronics. 28, 3, p. 1-9 9 p.Research output: Contribution to journal › Article › peer-review
13 Scopus citations -
Combining Design Thinking and Agile to Implement Condition Monitoring System: A Case Study on Paper Press Bearings
Sánchez, R. V., Siguencia, J. F., Villacís, M., Cabrera, D., Cerrada, M. & Heredia, F., 1 Jul 2022, In: IFAC-PapersOnLine. 55, 19, p. 187-192 6 p.Research output: Contribution to journal › Conference article › peer-review
Open Access5 Scopus citations -
Detección de Fallos en Engranajes a Través del Análisis de Firma de Corriente del Motor
Cabrera Mendieta, D. R., Sanchez Loja, R. V., Cerrada Lozada, M., Villacis Marin, M. L. & Chingal Imaicela, D. E., 22 Nov 2022.Translated title of the contribution :Gear Failure Detection Through Motor Current Signature Analysis Research output: Contribution to conference › Paper