Computer numerical control
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2021 IEEE International Conference on Mechatronics (ICM)
CM focuses on recent developments and future prospects related to the synergetic integration of mechanics, electronics, and information processing.
The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.
LASCAS aims at presenting a high-quality forum for researchers, designers, developers and graduate students to present the advances of their work on circuits and systems, amidst an international audience with experts from academia and industry all over the world. The LASCAS 2020 symposium will cover novel technical developments in all the areas of the Circuits and Systems Society, but focusing in the areas of biomedical and implantable devices and applications, low power integrated circuits, high speed communication interfaces and circuits and systems design for renewable energy applications.
AMC2020 is the 16th in a series of biennial international workshops on Advanced Motion Control which aims to bring together researchers from both academia and industry and to promote omnipresent motion control technologies and applications.
ISIE focuses on advancements in knowledge, new methods, and technologies relevant to industrial electronics, along with their applications and future developments.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
20th Design Automation Conference Proceedings, 1983
Proceedings. IEEE International Symposium on Intelligent Control 1989, 1989
Techniques for expert tuning of automatic controllers are presented, with special attention devoted to knowledge acquisition by combining offline and online techniques. These techniques have been implemented with low computational requirements. Two applications are included. In the first the authors consider the supervision of cutting conditions in numerical control machines. The system has been implemented for the supervision of an ...
2014 Joint 7th International Conference on Soft Computing and Intelligent Systems (SCIS) and 15th International Symposium on Advanced Intelligent Systems (ISIS), 2014
In this paper, a GUI (graphical user interface) for a desktop NC machine tool controller with a vision component is proposed. The results presented here are part of a research which main goal is to increase the convenience of operations on a Desktop NC machine tool through the integration of a vision component to its controller. In one of our ...
2011 5th International Conference on Bioinformatics and Biomedical Engineering, 2011
This article has been retracted by the publisher.
2009 International Conference on Mechatronics and Automation, 2009
In this paper, the thermal characteristics of the CNC machine spindle system is simulated based on finite element method. The heat boundary conditions of the finite element model are calibrated by comparing with the experimental results. Furthermore, the spindle system thermal errors are calculated and reduced by two approaches: rational arrangement of the heat-dissipating rib plates and parametric optimization design ...
Maker Faire 2008: Smart LEDs
Tutorial: Model Predictive Control of Power Electronic Converters, Part One, Jose Rodriguez - IECON 2018
Robotics History: Narratives and Networks Oral Histories: Ruzena Bajcsy
Playing Guitar Hero Without Hands
Maker Faire 2008: Pong and Asteroids Watch
Mary Shaw: Control Theory and Designing Cyber-Physical Systems: WF IoT 2016
2011 IEEE Medal for Innovations in Healthcare Technology - Harrison H. Barrett
Qing-Chang Zhong, Distinguished Lecturer - PELS
Marin Litoiu: Beyond Network Control - End to End Performance of CPS: WF IoT 2016
Howard Shrobe: Runtime Security Monitor for Real-time Critical System Embedded Applications: WF IoT 2016
Q&A with Dr. Maryam Shanechi: IEEE Brain Podcast, Episode 6 Part 2
Robotics History: Narratives and Networks Oral Histories: Jing Xiao
The Mother of All Demos: IEEE Engineering Milestone Event
Robotics History: Narratives and Networks Oral Histories: Gary Bradsky
Risk Prevention for Industrial Controls: IECON 2018
Computing with Dynamical Systems - Fred Rothganger: 2016 International Conference on Rebooting Computing
Norbert Wiener in the 21st Century Conference Concept
Optimization for Robust Motion Planning and Control
Robotics History: Narratives and Networks Oral Histories: Yoshiaki Shirai
Techniques for expert tuning of automatic controllers are presented, with special attention devoted to knowledge acquisition by combining offline and online techniques. These techniques have been implemented with low computational requirements. Two applications are included. In the first the authors consider the supervision of cutting conditions in numerical control machines. The system has been implemented for the supervision of an industrial vertical machining center. The second is the expert tuning of the proportional, integral, and derivative (PID) bands of a PID controller. In this case the authors illustrate the method with the automatic tuning of a PID controller used for temperature control of a heated air stream. Both applications have been performed with very low computational requirements.<<ETX>>
In this paper, a GUI (graphical user interface) for a desktop NC machine tool controller with a vision component is proposed. The results presented here are part of a research which main goal is to increase the convenience of operations on a Desktop NC machine tool through the integration of a vision component to its controller. In one of our previous reports, the extraction of dimensions and positions of workpieces on a machining table from a depth sensor's data has been proposed. The purpose of that process was the automatic tool positioning for machining operations. However, some settings was required for a reliable localization of the area of interest and a robust segmentation of workpieces. The proposed user interface includes functionalities that make those settings easier and required only when the system is being set for the first time or when the user, for some reasons, decides to change the position of the camera. The functions behind the user interface as well as the incentives for its design are discussed in some details in this paper.
This article has been retracted by the publisher.
In this paper, the thermal characteristics of the CNC machine spindle system is simulated based on finite element method. The heat boundary conditions of the finite element model are calibrated by comparing with the experimental results. Furthermore, the spindle system thermal errors are calculated and reduced by two approaches: rational arrangement of the heat-dissipating rib plates and parametric optimization design of finite element model.
The conditional MOVE processor (CMOVE) has been proposed for replacement of logic table driven sequencers like traffic light controllers and microcomputer I/O processors, in order to take better advantage of hardware-software tradeoffs. Herein the architecture of the CMOVE processor is sketched, and its application to traditional numerical control problems is studied. Two basis types of controllers, of potential use in industrial process control, are taken into account: the digital filter type, expressed as a ratio of two 2-transform polynomials (the proportional-integral-differential (PID) controllers is a particular case of the above), and the matrix multiplication type, which produces a control vector in response to a state vector input. A detailed program for a CMOVE realizatiorn of the digital filter is presented. A number of alternative realizations of the matrix controller are discussed in detail and evatuated.
Many techniques for the acceleration and deceleration of CNC machine tools have been proposed in order to make CNC machine tools perform given machining tasks efficiently. Since they should be calculated in a limited time, most of them are not computationally intensive. However, these previous techniques cannot generate velocity profiles having certain kinds of acceleration and deceleration characteristics though they can generate velocity profiles having various acceleration and deceleration characteristics. This paper proposes a generalized approach for generating velocity profiles which cannot be generated by previous techniques as well as velocity profiles generated by them. According to the desired characteristics of acceleration and deceleration, each set of coefficients is calculated and is stored. Given a moving distance, an acceleration interval and a deceleration interval for CNC machine tools, a velocity profile having the desired characteristics of acceleration and deceleration can be efficiently generated by using these coefficients. The authors show how to generate typical velocity profiles by using the proposed technique.
Five-axis complex surface machining on a computer numerically controlled (CNC) machine needs CAD/CAM system for the cutter location and orientation data. Since these data are defined with respect to the coordinate system of work- piece, they need to be converted to the machinepsilas control commands in machine coordinate system, through processing so called a CNC post-processing. In this work, a kinematic model method and a efficient algorithm for CNC post- processing have been presented for a typical five-axis milling machine of table rotating/tilting type. The proposed algorithms have been realized in our developing CNC system.
A high-sensitivity aerosol detector using pre-onset positive corona pulses has been constructed. It is expected to be used for the detection of very fine particles in a size range down to the nanometer and ionic. Preliminary tests of the detector to find the correlation between the pulses and the particles (or ions) have revealed that three different kinds of pulses exist. Large pulses, which have the highest peak value of the three, appear only in the moist air; they do not respond to ions or particles. Small pulses, with a much smaller height, are observed in both dry air and moist air. No definite relation is observed between their number and the number of particles coming into the detector. Micropulses with the smallest height have been found to appear in response to negative ions or negatively charged particles. Using an ion filter which separates ions according to their electrical mobilities, the lowest mobility of the negative ions in the the sample air has been measured to be 0.6-0.8 cm/sup 2//Vs from the micropulses. The lower limit of the mobility of the particles detectable with the present detector is 2*10/sup -3/-4*10/sup -3/ cm/sup 2//V s.<<ETX>>
Additive manufacturing (AM) is a method that creates physical objects layer by layer. This paper presents a prototype STereoLithography (STL) slicing and tool path generation algorithm, which serves as a data front-end for an entry level three-dimensional (3-D) printer. Used mainly in AM, 3-D printers are devices that apply plastic, ceramic and metal, layer by layer, in all three dimensions on a flat surface. 3-D printers, unfortunately, cannot actually print an object without a special algorithm, required to create the computer numerical control (CNC) instructions (commonly known as G-code) for printing. Therefore, the STL slicing and tool path algorithm forms a critical component for AM. The purpose of this study was to develop an algorithm that is capable of processing and slicing an STL file or multiple STL files resulting in a tool path and finally generating a G-code file for an entry level 3-D printer.
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Lawrence Livermore National Laboratory