Tribotronics: When Active Friction Control Faces New Challenges

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: closed (1 January 2026) | Viewed by 1068

Special Issue Editor


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Guest Editor
Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
Interests: friction modelling in dry and wet contacts; control of mechanical systems and mechatronics; testing methodologies of frictional materials in automotive and industrial environments
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Special Issue Information

Dear Colleagues,

With this announcement, I would like to welcome a valuable collection of scientific updates on devices and systems able to unlock new perspectives in the industrial world, but also in collective well-being, safety, and environmental protection, on the basis of knowledge gained in tribology, electronics, and mechatronics, in the framework of current research and developments.

Tribology is the field of research within mechanical engineering, material science, physics, and chemistry, focusing on the surface interaction in relative motion and very often involving fluids to reduce friction and wear. Wear and friction are expected results and, along with the frequent cases where they appear as unfavorable phenomena, in many industrial applications, an increase in friction could even be desired to enhance the behavior of systems such as brakes, clutches, tires, etc.

Once the optimization of materials, bearings geometry, engineered surfaces, lubricants, and additives has reached an asymptotic state due to optimized design, a drastic increase in performance can be still gained in the cutting-edge field of tribotronics through the introduction of smart fluids to actively control vibrations, active surfaces to modulate flexibility and oil wedge shape, and ferrofluids and magnetorheological fluids to promote particle motion in complex nano- and micro-devices.

At the beginning of the second quarter of this century, a successful synergy of a range of advancements in tribology, actuations, sensors, and controls may target goals that were unthinkable only a decade ago.

The current Special Issue of Lubricants is aimed at the latest developments concerning frictional mechanisms combined with active control as well as all the innovations linked to tribological progress at several scales where the real-time “tuning” of friction is the key factor for achieving top-notch performances in industrial systems, vehicles, instruments, devices in biomechanics, and home automation.

Prof. Dr. Adolfo Senatore
Guest Editor

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Keywords

  • tribotronics
  • tribology
  • friction
  • industrial systems
  • vehicles
  • instruments
  • devices in biomechanics
  • home automation

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Published Papers (1 paper)

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21 pages, 1938 KB  
Article
Tribotronics for Friction Control and Advanced Management of Machine Elements
by Ian Sherrington, Edward H. Smith, David Macmillan, Abdelrahman M. Youssef, Graham J. Calderbank and Patricia M. Johns-Rahnejat
Lubricants 2026, 14(4), 166; https://doi.org/10.3390/lubricants14040166 - 11 Apr 2026
Viewed by 389
Abstract
Tribotronic machine elements achieve active control by incorporating sensing, control and actuation into engineering components that are otherwise conventionally passive. There has been a trend towards the development and use of active tribological (tribotronic) components over recent years. This paper briefly recounts the [...] Read more.
Tribotronic machine elements achieve active control by incorporating sensing, control and actuation into engineering components that are otherwise conventionally passive. There has been a trend towards the development and use of active tribological (tribotronic) components over recent years. This paper briefly recounts the historical development of tribotronics, then presents two examples of research on components as case studies based on research by the authors to demonstrate how tribotronics can drive forward the technical capabilities of two common machine elements. In this context, this paper deals with the tribotronics of tilting-pad thrust bearings as well as active lubrication for internal combustion engine cylinder systems. The aim of the paper is to demonstrate how tribotronic technology can be applied to realise transformative reductions in energy loss by controlling friction well beyond those that could be gained by more conventional improvements in design or the use of enhanced materials, In addition to the technical discussion, this paper incorporates a short reflection the very significant financial and environmental gains that can potentially be obtained by using tribotronic components in the field. Finally, closing remarks are made regarding the more general advantages of tribotronic approaches and the potential future of this technology. Full article
(This article belongs to the Special Issue Tribotronics: When Active Friction Control Faces New Challenges)
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