Article
Engineering, Mechanical
Eliot Chaize, Emilie Vieville, Frederique Valiorgue, Cedric Courbon
Summary: This paper presents a method for in-operando contact monitoring of a sliding contact using an ultrasonic array. The method assesses the contact area and wear between two metallic materials by studying the propagation of ultrasonic waves and their interaction with the contact interface. The experimental set-up integrates an ultrasonic array on an open tribometer and uses a multi-channel pulser receiver and dedicated software for real-time monitoring.
Article
Engineering, Mechanical
Alfredo Fantetti, Stefano Mariani, Luca Pesaresi, David Nowell, Frederic Cegla, Christoph Schwingshackl
Summary: The study utilizes ultrasonic shear waves to characterize metallic contact interfaces during vibration cycles, providing new validation data for high-frequency friction contact. By combining numerical simulations and experimental methods, it is found that ultrasound technique can be used to detect stick and slip states in contact interfaces subjected to high-frequency shear vibration.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Acoustics
Tianyu Guan, Yuanzhi Lu, Xinhui Wang, Michael D. Gilchrist, Fengzhou Fang, Nan Zhang
Summary: The formulation of nanosheets is crucial in the scale-up fabrication process for electroformed Ni-MoS2/WS2 composite moulds. A novel strategy of intermittent ultrasonication in the dual bath was proposed to address the issues of long-term dispersion, overheating, and deterioration of 2D material deposition.
ULTRASONICS SONOCHEMISTRY
(2023)
Article
Engineering, Mechanical
Weihua Zhou, Jinyuan Tang, Wen Shao, Jun Wen
Summary: This study presents a novel prediction model to calculate the ploughing friction co-efficient under ultrasonic vibration. By generating the ploughed surface and calculating the overlapping area of particle geometry, the instantaneous contact area with a complex motion path was solved. The experimental results agree well with the predicted results.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2022)
Article
Chemistry, Analytical
Zheng Li, Hui Zhao, Shuai Che, Xuetong Chen, Hexu Sun
Summary: The pre-pressure device of the ultrasonic motor is crucial in its design, affecting the contact state, dynamic properties, and wear characteristics of the stator and rotor. Proper pre-pressure is essential for smooth operation, extended lifespan, and optimized performance.
Article
Computer Science, Information Systems
Koki Hatori, Kenjiro Takemura
Summary: Tactile rendering is a promising technology that needs to be integrated into various virtual reality environments. This study developed a model that generates appropriate input signals for an ultrasonic tactile display using a conditional generative adversarial network. The models were trained using sensory evaluation scores and vibration data. Different cluster analysis conditions were used to create the input information, and the accuracy of the models was evaluated through sensory evaluation experiments. The results showed improved accuracy and reproducibility of tactile sensation using the developed models.
Article
Chemistry, Analytical
Seiya Komurasaki, Hiroyuki Kajimoto, Fusao Shimokawa, Hiroki Ishizuka
Summary: Electrode-type tactile displays can be easily integrated and miniaturized, using only electrodes and insulators. Electrical tactile displays stimulate vibration or pressure with an electric current, while electrostatic friction displays induce changes in friction. The developed tactile display combines electrical and electrostatic friction stimulation, providing both pressure and friction simultaneously, and showing that multiple stimuli can induce perception of larger shapes.
Article
Chemistry, Applied
Thomas Ules, Michael Griesser, Andreas Hausberger, Christian Schipfer, Mohammad Mansouri, Peter Fuchs, Sandra Schloegl, Dieter P. Gruber
Summary: This paper presents new investigations on the relationship between physical surface parameters of polymer-based coatings, skin hydration levels, and tactile friction. Tribological tests were carried out to measure the coefficient of friction between the finger pad and the coatings. The results showed that the perceived friction correlates well with the coefficient of friction and surface hardness for dry skin, but not for moist finger skin. The findings were explained using the assumption of adhesion dominated friction and the application of the Hertz contact theory.
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2023)
Article
Computer Science, Software Engineering
Kazuya Otake, Shogo Okamoto, Yasuhiro Akiyama, Yoji Yamada
Summary: This study investigated the impact of using vibrotactile and electrostatic-friction stimuli in a conjunctive mode on the quality of virtual roughness textures. The findings suggest that conjunctive stimuli improve the perceptual quality and realism of texture stimuli.
ACM TRANSACTIONS ON APPLIED PERCEPTION
(2022)
Article
Acoustics
Zheng Li, Xuetong Chen, Zhanyu Guo, Zhirong Su, Haitao Han, Hui Zhao, Hexu Sun
Summary: The article analyzes the temperature rise characteristics of an ultrasonic motor by establishing a theoretical model and conducting simulation, which is then verified by experimental results. The analysis accurately reflects the temperature rise characteristics of the motor, providing a reference for further research on the impact of temperature rise on the motor's service behavior.
Article
Computer Science, Information Systems
S. H. A. O. W. E. CHU, H. U. A. W. E. TU
Summary: This study compared the performance of mechanical vibration and ultrasonic vibration in tactile feedback and found that mechanical vibration outperformed ultrasonic vibration in tactile code perception, leading to higher user satisfaction.
Article
Computer Science, Cybernetics
Nicolas Huloux, Corentin Bernard, Michael Wiertlewski
Summary: The study demonstrates the use of ultrasonic surface-haptic touchscreens to generate tactile sensations directly on the users' fingertips, estimating acoustic levitation and frictional force by observing a change in mechanical impedance. The findings highlight the application of multi-scale contact theory in self-sensing friction forces and provide design suggestions for energy-efficient devices utilizing ultrasonic impedance.
IEEE TRANSACTIONS ON HAPTICS
(2021)
Article
Robotics
Changhyun Choi, Yuan Ma, Xinyi Li, Sitangshu Chatterjee, Sneha Sequeira, Rebecca F. Friesen, Jonathan R. Felts, M. Cynthia Hipwell
Summary: This study demonstrates the potential of modulating finger friction by changing surface temperature, allowing for realistic rendering of virtual features. This method has potential applications in gaming, virtual and augmented reality, and touchscreen human-machine interaction.
Article
Acoustics
Milad Sharifi, Mohammadreza Karafi
Summary: A 3D finite element model of an ultrasonic transducer, considering the losses between components, has been developed. Viscous dampers are used to model the losses at interfaces, while the friction between components is evaluated using the BKE contact mechanics model. The results show that friction losses have minimal impact on vibration amplitude, but the mismatch of acoustic impedances causes significant power losses through the reflection of acoustic waves. By applying equivalent damping, the amplitude error of vibrations is reduced to 2.56%.
Article
Computer Science, Cybernetics
Diana Angelica Torres, Eric Vezzoli, Betty Lemaire-Semail, Michael Adams, Christophe Giraud-Audine, Frederic Giraud, Michel Amberg
Summary: This paper analyzes the mechanisms of friction reduction using ultrasonic longitudinal surface vibration, specifically when the fingers explore the surface at different velocities and directions. The results support a non-Coulombic adhesion theory as a possible explanation for the reduction in friction with vibrations that are non-collinear with the finger displacement.
IEEE TRANSACTIONS ON HAPTICS
(2022)
Article
Engineering, Multidisciplinary
Wulf G. Dettmer, Aleksander Lovric, Chennakesava Kadapa, Djordje Peric
Summary: This study proposes a new two-field relaxation strategy to improve the robustness and efficiency of partitioned solution strategies in incompressible fluid-structure interaction. The research demonstrates that the performance of Dirichlet-Neumann coupling scheme can be enhanced through relatively small nonintrusive modifications.
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING
(2021)
Article
Multidisciplinary Sciences
J. W. Andrews, M. J. Adams, T. D. Montenegro-Johnson
Article
Multidisciplinary Sciences
C. Landelle, J. Danna, B. Nazarian, M. Amberg, F. Giraud, L. Pruvost, R. Kronland-Martinet, S. Ystad, M. Aramaki, Anne Kavounoudias
Summary: The study found that textured sounds had a greater disruptive effect on older adults' haptic exploration compared to young adults, indicating a general facilitation of multisensory integration with aging. Young adults were able to appropriately segregate auditory information from tactile information, while older adults failed to do so.
SCIENTIFIC REPORTS
(2021)
Article
Computer Science, Cybernetics
Diana Angelica Torres, Anis Kaci, Frederic Giraud, Christophe Giraud-Audine, Michel Amberg, Stephane Clenet, Betty Lemaire-Semail
Summary: This study established a model to estimate the acoustic finger force response of participants at different vibration amplitudes and proposed a linear relationship between PCA coefficients and friction reduction. The aim of the research is to create a customized amplitude reference calibration based on specific friction reduction levels to provide standardized tactile feedback for each user.
IEEE TRANSACTIONS ON HAPTICS
(2021)
Article
Engineering, Electrical & Electronic
Diana Angelica Torres, Betty Lemaire-Semail, Christophe Giraud-Audine, Frederic Giraud, Michel Amberg
Summary: This article presents the design and closed loop control of a device capable of producing both longitudinal and transverse mode vibration at the same resonance frequency. Dynamic analysis and identification of dynamic lumped parameters were performed, and a closed loop control was used to maintain the desired vibration amplitude. The device successfully achieved the objective of achieving and controlling pure modes independently, with longitudinal mode showing advantages in terms of active power losses.
SENSORS AND ACTUATORS A-PHYSICAL
(2021)
Article
Computer Science, Cybernetics
Diana Angelica Torres, Eric Vezzoli, Betty Lemaire-Semail, Michael Adams, Christophe Giraud-Audine, Frederic Giraud, Michel Amberg
Summary: This paper analyzes the mechanisms of friction reduction using ultrasonic longitudinal surface vibration, specifically when the fingers explore the surface at different velocities and directions. The results support a non-Coulombic adhesion theory as a possible explanation for the reduction in friction with vibrations that are non-collinear with the finger displacement.
IEEE TRANSACTIONS ON HAPTICS
(2022)
Article
Engineering, Mechanical
Anis Kaci, Christophe Giraud-Audine, Frederic Giraud, Michel Amberg, Betty Lemaire-Semail
Summary: This article presents a method for controlling multiple modes on a haptic display simultaneously in both phase and amplitude, utilizing modulation/demodulation control combined with mixed spatial/frequency filters. The method is applied to generate a predefined velocity field on a plate, showing good agreement between theory and experimental results.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Electrical & Electronic
Pierre Garcia, Frederic Giraud, Betty Lemaire-Semail, Matthieu Rupin, Anis Kaci
Summary: This work presents a control method for a piezoelectric interface that combines two vibration modes of a plate to achieve the haptic feeling of a button click. By synchronizing the vibration modes through closed loop control in the (d,q) frame, the device can provide compelling haptic feedback while remaining robust against external disturbances. The proposed method achieves a 2 ms response time and was perceived by 100% of users in a psychophysical study.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Dermatology
Ana S. Evora, Nkemjika Abiakam, Hemalatha Jayabal, Peter R. Worsley, Zhibing Zhang, Simon A. Johnson, Michael J. Adams, Dan L. Bader
Summary: This study aims to evaluate the effects of prolonged use of respirators on the main cells (corneocytes) of the stratum corneum. A longitudinal cohort study of 17 healthcare workers who wore respirators daily revealed changes in corneocytes and their association with self-reported skin adverse reactions.
JOURNAL OF TISSUE VIABILITY
(2023)
Proceedings Paper
Biophysics
Romain Le Magueresse, Fabrice Casset, Frederic Giraud, Brigitte Desloges, Nadine David, Anis Kaci, Adelaide Berdague, Mikael Colin
Summary: This paper presents a study using Finite Element Model (FEM) and the design of a flexible haptic surface to produce texture rendering on a large area. By actuating haptic pixels with ultrasonic frequencies using piezoelectric elements embedded in a flexible matrix, this design allows for texture haptics. Electromechanical characterizations validate the design and open up possibilities for the realization of a flexible haptic interface.
2022 23RD INTERNATIONAL CONFERENCE ON THERMAL, MECHANICAL AND MULTI-PHYSICS SIMULATION AND EXPERIMENTS IN MICROELECTRONICS AND MICROSYSTEMS (EUROSIME)
(2022)
Proceedings Paper
Energy & Fuels
Yisha Chen, Michel Amberg, Frederic Giraud, Vincent Hayward, Betty Lemaire-Semail
Summary: This paper introduces an integrated probe designed for measuring the rheological properties of the skin in situ, using piezoelectric bender actuators and strain gauges as sensors. By applying feedback voltage control and collaboration with integrated strain gauges, stable measurement of displacement and force of the probe is achieved.
2021 23RD EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'21 ECCE EUROPE)
(2021)
Proceedings Paper
Computer Science, Cybernetics
Diana Angelica Torres, Betty Lemaire-Semail, Frederic Giraud, Christophe Giraud-Audine, Michel Amberg
Summary: This article discusses the vibration attenuation caused by purely lateral ultrasonic vibration when the finger interacts with a surface, and explores the possibility of predicting friction reduction in lateral ultrasonic surface haptic devices using static measurements of additional force.
2021 IEEE WORLD HAPTICS CONFERENCE (WHC)
(2021)
Proceedings Paper
Computer Science, Cybernetics
Diana Angelica Torres, Eric Vezzoli, Betty Lemaire-Semail, Christophe Giraud-Audine, Frederic Giraud, Michel Amberg
2021 IEEE WORLD HAPTICS CONFERENCE (WHC)
(2021)
