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The effect of surface stress on the stiffness of cantilever beams remains an outstanding problem in the physical sciences. While numerous experimental studies report significant stiffness change due to surface stress, theoretical…

Mesoscale and Nanoscale Physics · Physics 2012-11-05 Rassul B. Karabalin , L. G. Villanueva , M. H. Matheny , John E. Sader , Michael L. Roukes

We present a mathematical and numerical analysis on a control model for the time evolution of a multi-layered piezoelectric cantilever with tip mass and moment of inertia, as developed by Kugi and Thull [31]. This closed-loop control system…

Analysis of PDEs · Mathematics 2015-07-10 Maja Miletic , Anton Arnold

We present an atom-chip-based realization of quantum cavity optomechanics with cold atoms localized within a Fabry-Perot cavity. Effective sub-wavelength positioning of the atomic ensemble allows for tuning the linear and quadratic…

Quantum Physics · Physics 2015-05-19 T. P. Purdy , D. W. C. Brooks , T. Botter , N. Brahms , Z. -Y. Ma , D. M. Stamper-Kurn

We present an extremely simplified model of multiple-domains polymer stretching in an atomic force microscopy experiment. We portray each module as a binary set of contacts and decompose the system energy into a harmonic term (the…

Biomolecules · Quantitative Biology 2008-01-20 Carlo Guardiani , Franco Bagnoli

We propose to use the damping signal of an oscillating cantilever in dynamic atomic force microscopy as a noninvasive tool to study the vibrational structure of the substrate. We present atomically resolved maps of damping in carbon…

Mesoscale and Nanoscale Physics · Physics 2009-05-14 Makoto Ashino , Roland Wiesendanger , Andrei N. Khlobystov , Savas Berber , David Tomanek

The most common method to measure direct current high voltage (HV) down to the ppm-level is to use resistive high-voltage dividers. Such devices scale the HV into a range where it can be compared with precision digital voltmeters to…

Instrumentation and Detectors · Physics 2019-07-24 O. Rest , D. Winzen , S. Bauer , R. Berendes , J. Meisner , T. Thümmler , S. Wüstling , C. Weinheimer

We present here a novel cantilever based apparatus to perform translational stress or strain controlled rheology in very soft solids, and obtain simultaneous confocal imaging of the 3 dimensional microstructure. The stress is measured using…

Soft Condensed Matter · Physics 2021-09-10 Akash Singh , Michio Tateno , Gilles Simon , Loïc Vanel , Mathieu Leocmach

This paper proposes a method for calibrating control parameters. Examples of such control parameters are gains of PID controllers, weights of a cost function for optimal control, filter coefficients, the sliding surface of a sliding mode…

Systems and Control · Electrical Eng. & Systems 2023-03-10 Marcel Menner , Karl Berntorp , Stefano Di Cairano

We report on several versions of the calibration and monitoring system dedicated to scintillator tile calorimeters built within the CALICE collaboration and intended for future linear collider experiments. Whereas the first, a 1 m3 analogue…

Instrumentation and Detectors · Physics 2019-08-15 Jaroslav Zalesak

We present an advanced scanning probe microscopy system enhanced with artificial intelligence (AI-SPM) designed for self-driving atomic-scale measurements. This system expertly identifies and manipulates atomic positions with high…

Computational Physics · Physics 2024-04-18 Zhuo Diao , Keiichi Ueda , Linfeng Hou , Fengxuan Li , Hayato Yamashita , Masayuki Abe

In this study, we have proposed a new type of tactile sensor that is capable of detecting the stiffness of soft objects. The sensor consists of a brass cylinder with an axial bore. An iron core can easily move inside the bore. Three…

Robotics · Computer Science 2018-08-13 Behafarid Darvish , Siamak Najarian , Elham Shirzad , Roozbeh Khodambashi

When a humanoid robot performs a manipulation task, it first makes a model of the world using its visual sensors and then plans the motion of its body in this model. For this, precise calibration of the camera parameters and the kinematic…

Robotics · Computer Science 2024-05-28 Johannes Tenhumberg , Dominik Winkelbauer , Darius Burschka , Berthold Bäuml

The Duffing oscillator is a nonlinear extension of the ubiquitous harmonic oscillator and as such plays an outstanding role in science and technology. Experimentally, the system parameters are determined by a measurement of its response to…

Applied Physics · Physics 2022-06-01 Marc T. Cuairan , Jan Gieseler , Nadine Meyer , Romain Quidant

With the development of autonomous driving technology, sensor calibration has become a key technology to achieve accurate perception fusion and localization. Accurate calibration of the sensors ensures that each sensor can function properly…

Robotics · Computer Science 2023-05-29 Jixiang Li , Jiahao Pi , Guohang Yan , Yikang Li

The application of variational principles for analyzing problems in the physical sciences is widespread. Cantilever-like problems, where one end is fixed and the other end is free, have received less attention in terms of their stability…

Soft Condensed Matter · Physics 2025-05-01 Siva Prasad Chakri Dhanakoti

With the growing interest and applications in machine learning and data science, finding an efficient method to sparse analysis the high-dimensional data and optimizing a dimension reduction model to extract lower dimensional features has…

Optimization and Control · Mathematics 2024-06-05 Jiawei Wang , Rencang Li , Richard Yi Da Xu

Agent-based models (ABMs) highlight the importance of simulation validation, such as qualitative face validation and quantitative empirical validation. In particular, we focused on quantitative validation by adjusting simulation input…

Artificial Intelligence · Computer Science 2022-03-08 Dongjun Kim , Tae-Sub Yun , Il-Chul Moon , Jang Won Bae

The paper is devoted to the geometrical calibration of industrial robots employed in precise manufacturing. To identify geometric parameters, an advanced calibration technique is proposed that is based on the non-linear experiment design…

Robotics · Computer Science 2012-11-29 Alexandr Klimchik , Anatol Pashkevich , Yier Wu , Benoît Furet , Stéphane Caro

I present a direct and intuitive eigenmode method that evaluates the near-field enhancement around the surface of metallic nanoparticles of arbitrary shape. The method is based on the boundary integral equation in the electrostatic limit.…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Titus Sandu

Palpation of human tissue during Minimally Invasive Surgery is hampered due to restricted access. In this extended abstract, we present a variable stiffness and dynamic force range sensor that has the potential to address this challenge.…

Medical Physics · Physics 2024-12-16 Abu Bakar Dawood , Zhenyu Zhang , Martin Angelmahr , Alberto Arezzo , Kaspar Althoefer
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