Safe Operation of Escalators: State of the Art and the Way Forward


The article contains an overview of the main trends of the escalators future development and innovative trends in ensuring an integrated system of their safe operation.

The relevance of the study of the problem is based on the creation of a system for monitoring and diagnosing the technical condition of the escalator equipment in order to minimize the damage due to failures while ensuring a standardized reliability indicator for the tunnel escalators. They are related to hazardous objects, which entails special requirements for safety of the escalator equipment.

Currently, many countries adopted an effective proactive service model using digital doubles, which accurately monitor the real state of technology based on the smart sensors. Data are collected in the cloud service store to analyze the received information. 

A promising area of research includes monitoring and diagnostics of the technical condition of the escalator equipment, analysis of the results of vibration diagnostics using the envelope method (data of State Unitary Enterprise «Petersburg Metro»).

The assessment of efficiency and commercialization of the monitoring project is presented in the article. The main system of project indicators, including a positive economic effect, will be achieved thanks to the use of advanced technologies of a proactive approach with monitoring of the vibration state of the main gear box and bearing units of the escalator drive motor, as well as the main and auxiliary runners of the escalator stages in order to identify dangerous defect. The growth of development of critical irreversible processes will be reduced, that will increase the probability of failure-free operation in relation to downtime, and, reduce the accident rate.

  1. Statistics Brief. World metro figures 2018. Available at: (accessed: February 22, 2020).
  2. Beebe J. Integration of lift systems into the internet of things and the need for an open standard information model. 6th Symposium on Lift and Escalator Technologies. 2016. Vol. 6. Available at: (accessed: February 22, 2020).
  3. Smith R. The Internet of Things, Big Data, Machine Learning, and the Lift & Escalator Industry. Symposium on Lift and Escalator Technologies. 2015. Vol. 5. pp. 203–208.
  4. Gonzalez M., Salgado O., Croes J., Pluymers B., Desmet W. Model-based state estimation for the diagnosis of multiple faults in non-linear electro-mechanical systems. Algorithms and Complexity in Mathematics, Epistemology, and Science. Cham: Springer, 2019. pp. 77–89. DOI: 10.1007/978-3-030-11220-2_9
  5. Arriola D., Thielecke F. Model-based design and experimental verification of a monitoring concept for an active-active electromechanical aileron actuation system. Mechanical Systems and Signal Processing. 2017. Vol. 94. pp. 322–345. DOI: 10.1016/j.ymssp.2017.02.039
  6. Newton R. Bricsys Conference Highlights «One Platform» Approach to Design. Available at: (accessed: February 22, 2020).
  7. Pradeep G., Shaker C.P., Prasad S.V.S. Building management system. International Journal of Innovative Technology and Exploring Engineering. 2019. Vol. 8. Iss. 11. pp. 1999–2003. DOI: 10.35940/ijitee.K2161.0981119
  8. Casals M., Gangolells M., Forcada N., Macarulla M., Giretti A., Vaccarini M. SEAM4US: An intelligent energy management system for underground stations. Applied Energy. 2016. Vol. 166. pp. 150–164. DOI: 10.1016/j.apenergy.2016.01.029
  9. Kuutti J., Sepponen R.E., Saarikko P. Escalator power consumption compared to pedestrian counting data. International Conference on Applied Electronics (AE). Pilsen: University of West Bohemia, 2013. pp. 169–172.
  10. GOST ISO 10816-1—97. Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts. Part 1: General guidelines. Available at: (accessed: February 22, 2020). (In Russ.).
  11. Filin A.N. Methodology for monitoring of technical condition of the tunnel escalators main mechanisms: thesis... Candidate of Technical Sciences. Available at: (accessed: February 22, 2020). (In Russ.).
  12. Bardyshev O.A., Popov V.A., Korovin S.K., Filin A.N. Monitoring of Technical Condition of Technical Devices at Hazardous Production Facilities. Bezopasnost truda v promyshlennosti = Occupational Safety in Industry. 2020. № 1. pp. 52–56. (In Russ.). DOI: 10.24000/0409-2961-2020-1-52-56
  13. Bardyshev O.A. About Diagnostics of Technical Devices. Bezopasnost truda v promyshlennosti = Occupational Safety in Industry. 2019. № 7. pp. 44–48. (In Russ.). DOI: 10.24000/0409-2961-2019-7-44-48
  14. Wessel R. At the London Underground, RFID Keeps Escalators Moving. Available at: (accessed: February 22, 2020).
  15. Oh S.W., Lee C., You W. Gear reducer fault diagnosis using learning model for spectral density of acoustic signal. Available at: (accessed: February 22, 2020).
DOI: 10.24000/0409-2961-2020-8-86-93
Year: 2020
Issue num: August
Keywords : safety emergency situations tunnel escalator vibration diagnostics
  • Shestakova E.B.
    Shestakova E.B.
    Cand. Sci. (Eng.), Assoc. Prof., Emperor Alexander I St. Petersburg State Transport University, Saint-Petersburg, Russia
  • Ermilova A.V.
    Ermilova A.V.
    Engineer Service of the State Department of St. Petersburg Metro, Saint-Petersburg, Russia