检索结果-内蒙古大学图书馆

Advanced Textbooks in control and Signal Processing 2019年 1-27页

作者： Keviczky, László Bars, Ruth Hetthéssy, Jenő Bányász, Csilla Institute for Computer Science and Control Hungarian Academy of Sciences Budapest Hungary Department of Automation and Applied Informatics Budapest University of Technology and Economics Budapest Hungary

MATLAB™ is an interactive environment for scientific and engineering calculations, simulations, and data visualization. MATLAB™ provides a powerful platform to solve mathematical and engineering problems related to matrix algebra, differential equations, etc. MATLAB is especially effective in solving control problems. SIMULINK provides block-oriented simulation. The chapter gives a short introduction to MATLAB and SIMULINK. © Springer Nature Singapore Pte Ltd. 2019.

关键词：

来源：评论

学校读者我要写书评

暂无评论

How to Teach control System Optimization (A Practical Decompisition Approach for the Optimization of TDOF control Systems)

引用

IFAC-PapersOnLine 2019年第9期52卷 115-120页

作者： Cs. Bányász L. Keviczky R. Bars Institute for Computer Science and Control of the Hungarian Academy of Sciences Department of Automation and Applied Informatics Budapest University of Technology and Economics H-1111 Budapest Kende u 13-17 Hungary

The optimality in a generic two-degree of freedom control system can be decomposed into three major steps, because the control error has three major parts: design-, realizability- and modeling-loss. The second term can be made zero for inverse stable processes only. This decomposition opens new ways for practical optimization of two-degree-of-freedom ( TDOF ) systems and helps the construction of new algorithms for robust identification and control. It is more reasonable to teach the optimization of control systems using these components.

关键词： two-degree-of-freedom control systems performance robustness optimality

来源：评论

学校读者我要写书评

暂无评论

Root Loci Analysis of a Simple Quasi-Polynomial and Its Use for Relay-Based Parameter Identification of a Delayed Infinite-Dimensional Heat-Exchanger Process

Research Square

引用

Research Square 2021年

作者： Pekař, Libor Song, Mengjie Padhee, Subhransu Dostálek, Petr Zezulka, František Department of Technical Studies College of Polytechnics Jihlava Tolstého 1556 Jihlava586 01 Czech Republic Department of Automation and Control Engineering Faculty of Applied Informatics Tomas Bata University in Zlín nám. T. G. Masaryka 5555 Zlín760 01 Czech Republic Department of Energy and Power Engineering School of Mechanical Engineering Beijing Institute of Technology Engine East Building 125 Beijing100081 China Department of Electrical and Electronics Engineering Institute of Information Technology Sambalpur University Burla Odisha 769018 India Department of Control and Instrumentation Faculty of Electrical Engineering and Communication Brno University of Technology Technická 3082/12 Královo Pole Brno616 00 Czech Republic

The focus of this contribution is twofold. The first part aims at the rigorous and complete analysis of pole loci of a simple delayed model, the characteristic function of which is represented by a quasi-polynomial with a non-delay and a delay parameter. The derived spectrum constitutes an infinite set, making it a suitable and simple-enough representative of even high-order process dynamics. The second part intends to apply the simple infinite-dimensional model for relay-based parameter identification of a more complex model of a heating-cooling process with heat exchangers. Processes of this type and construction are widely used in industry. The identification procedure has two substantial steps. The first one adopts the simple model with a low computational effort using the saturated relay that provides a more accurate estimation than the standard on/off test. Then, this result is transformed to the estimation of the initial characteristic equation parameters of the complex infinite-dimensional heat-exchanger model using the exact dominant-pole-loci assignment. The benefit of this technique is that multiple model parameters can be estimated under a single relay test. The second step attempts to estimate the remaining model parameters by various numerical optimization techniques and also to enhance all model parameters via the Autotune Variation Plus relay experiment for comparison. Although the obtained unordinary time and frequency domain responses may yield satisfactory results for control tasks, the identified model parameters may not reflect the actual values of process physical quantities. © 2021, CC BY.

关键词： Optimization

来源：评论

学校读者我要写书评

暂无评论

BME-has system for CoNLL–SIGMORPHON 2018 shared task: Universal morphological reinflection

BME-has system for CoNLL–SIGMORPHON 2018 shared task: Unive...

引用

2018 CoNLL-SIGMORPHON Shared Task: Universal Morphological Reinflection, CoNLL 2018

作者： Ács, Judit Department of Automation and Applied Informatics Budapest University of Technology and Economics Hungary Institute for Computer Science and Control Hungarian Academy of Sciences Hungary

This paper presents an encoder-decoder neural network based solution for both subtasks of the CoNLL–SIGMORPHON 2018 Shared Task: Universal Morphological Reinflection. All of our models are sequence-to-sequence neural... 详细信息

ISBN: (纸本)9781948087834

关键词： Decoding

来源：评论

学校读者我要写书评

暂无评论

Photon-coupled, photoswitchable protein-based OR, NOR logic gates 16th

Photon-coupled, photoswitchable protein-based OR, NOR logic ...

引用

16th International Conference on Global Research and Education Inter-Academia, 2017

作者： Rakos, Balázs Department of Automation and Applied Informatics Budapest University of Technology and Economics Budapest Hungary MTA-BME Control Engineering Research Group Budapest Hungary

ISBN: (纸本)9783319674582

We demonstrate from a theoretical point of view that the OR and NOR logic gates can be implemented with the application of well-arranged, existing fluorescent photoswitchable proteins, driven by well-designed photon pulses. The building blocks of the proposed molecular architectures are the Dronpa, Padron and mTFP0.7 proteins. The experimental realizability is also discussed in this work. © Springer International Publishing AG 2018.

关键词： Photons

来源：评论

学校读者我要写书评

暂无评论

Experimental and Numerical Testing of Possibilities and Limits for Applications of Phase Changed Materials in Buildings

Experimental and Numerical Testing of Possibilities and Limi...

引用

23rd International Conference on Circuits, Systems, Communications and Computers, CSCC 2019

作者： Charvátová, Hana Zálešák, Martin Koláček, Martin Sehnálek, Stanislav Tomas Bata University in Zlín Faculty of Applied Informatics Regional Research Centre CEBIA-Tech nám. T. G. Masaryka 5555 Zlín760 01 Czech Republic Tomas Bata University in Zlín Faculty of Applied Informatics Department of Automation and Control Engineering nám. T. G. Masaryka 5555 Zlín760 01 Czech Republic

The paper is aimed atto a study of a possibility to use PCM (Phase Change Materials) to increase the thermal storage properties of buildings. For this purpose, both the experimental testing and computer modelling were performed. The PCM DuPont Energain panel was used for the study of its thermal technical parameters under laboratory conditions. Laboratory testing of the effect of PCM surface treatment showed a double increase in the heat transfer coefficient, but also a decrease of 17 % in the time constant under given conditions. The computer modelling was used for the study of the influence of walls sheathing on the temperature comfort inside the tested room of the wooden house by its passive cooling in summer. Results of the numerical simulations proved influence of the PCM covering. But in the presented model, the PCM covering caused only a slight improvement in the thermal comfort inside the room. © 2019 The Authors, published by EDP Sciences.

关键词： Phase change materials

来源：评论

学校读者我要写书评

暂无评论

Influence of Time-Delay Mismatch for Robustness and Stability

引用

IFAC-PapersOnLine 2018年第14期51卷 248-253页

作者： Bányász, Cs. Keviczky, L. Bars, R. Institute of Computer Science and Control Hungarian Academy of Sciences H-1111 Budapest Kendeu 13-17 Hungary Department of Automation and Applied Informatics Budapest University of Technology and Economics H-1117 Budapest Magyar Tudósok krt 2 Q/B Hungary

In a practical control system the process always has a time delay. The uncertainty in the knowledge of the time delay i.e. the delay mismatch strongly influences the quality of the closed-loop control. It can cause unwanted instability and influences the robustness of the control. Stability region applicable for this uncertainty is investigated in this paper in connection with the required performance and robustness. © 2018

关键词： Delay control systems Convergence of numerical methods Quality control Robust control Robustness (control systems) Stability Time delay Timing circuits Closed loop control Delay mismatch performance Practical controls Stability regions Time delay uncertainties

来源：评论

学校读者我要写书评

暂无评论

Dismantling strategy for capacitors placed on printed circuits boards: challenges and preliminary results

引用

IOP Conference Series: Materials Science and Engineering 2020年第1期997卷

作者： S Cazan D Chirita C Stamate D Irimia A Burlacu I Doroftei Department of Mechanical Engineering Mechatronics and Robotics 'Gheorghe Asachi' Technical University of Iasi Iasi Romania Department of Energy Utilisation Electrical Drives and Industrial Automation 'Gheorghe Asachi' Technical University of Iasi Iasi Romania Department of Automation Control and Applied Informatics 'Gheorghe Asachi' Technical University of Iasi Iasi Romania

The present paper describes the challenges and preliminary results obtained during the design and implementation of a disassembly system for capacitors placed on printed circuits boards. This research is included in an attempt to reduce the impact of the electronic waste. The proposed architecture includes a six axis multipurpose industrial robot, dedicated sensors and a custom built tool. An originally designed rotary tool, with a specific type of drill bit, was used to dismantle each capacitor on the board. A sensor triggers the tool for the drill rotation when the perforation is accomplished accordingly, so that the friction force is big enough to initiate the dismantling procedure. Using the rotation movement of the drill, at a calculated number of rotations, the capacitors are successfully dismantled from the printed circuits board. An artificial vision system composed from a stereo camera and an image-processing algorithm, provides data with regard to the position of each capacitor on the printed circuit board. A vacuum cleaner was integrated in the scheme to recover the capacitors after dismantling. The scheme design was perpetually optimized using dedicated simulation software. Also, preliminary results obtained on the physical system underline the potential advantages of the proposed approach.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Near Time-Optimal Path Tracking Method for Waiter Motion Problem

引用

IFAC-PapersOnLine 2017年第1期50卷 4929-4934页

作者： Csorvási G. Nagy Á. Vajk I. Budapest University of Technology and Economics Department of Automation and Applied Informatics Budapest Hungary Budapest University of Technology Economics Department of Automation and Applied Informatics MTA-BME Control Engineering Research Group Budapest Hungary

Time-optimal motion planning is one of the most essential problems in robotic theories. The presented direct transcription approach uses convex optimisation method to obtain a minimum-time control for robot manipulators. One subset of motion planning is the waiter motion problem that consists of moving a tablet from one place to another as fast as possible, avoiding the slip of the object that is placed upon it. In this paper the direct transcription method is presented in order to solve the waiter problem. This path tracking problem is also approximated by sequential two dimensional second-order cone programs (SOCP) using nonlinear change of variables. The computational benefit of the sequential method compared to the direct transcription approach is presented. The waiter motion problem is validated by real-life experimental results with a 6-DoF robotic arm. © 2017

关键词： convex optimisation Minimum-time control motion planning robot control second-order cone programming time-optimal control

来源：评论

学校读者我要写书评

暂无评论

DC motors and servo-motors controlled by Raspberry Pi 2B 21

DC motors and servo-motors controlled by Raspberry Pi 2B

引用

21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Šustek, Michal Marcaník, Miroslav Tomášek, Pavel Úředníček, Zdeněk Tomas Bata University Faculty of Applied Informatics Department of Automation and Control Engineering Zlín76005 Czech Republic

The expanding capabilities of today's microcontrollers and other devices lead to an increased utilization of these technologies in diverse fields. The automation and issue of remote control of moving objects belong to these fields. In this project, a microcontroller Raspberry Pi 2B was chosen for controlling DC motors and servo-motors. This paper provides basic insight into issue of controlling DC motors and servo-motors, connection between Raspberry and other components on breadboard and programming syntaxes for controlling motors in Python programming language. © The Authors, published by EDP Sciences, 2017.

关键词： DC motors

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：