scholarly journals Coordination between the central control unit and local control function of a photovoltaic system under the uncertainties of sunlight and three‐phase unbalanced loads

2021 ◽  
Author(s):  
Anuwat Chanhome ◽  
Surachai Chaitusaney
Keyword(s):  
Local Control ◽  
Control Function ◽  
Control Unit ◽  
Photovoltaic System ◽  
Central Control ◽  
Central Control Unit ◽  
Three Phase ◽  
Unbalanced Loads

central control unit

2011 ◽  
Keyword(s):  
Control Unit ◽  
Central Control ◽  
Central Control Unit

Central control unit for semi-automated driving

2014 ◽  
Vol 9 (3) ◽  
pp. 34-39
Author(s):  
Hans-Gerd Krekels ◽  
Ralf Loeffer
Keyword(s):  
Control Unit ◽  
Central Control ◽  
Automated Driving ◽  
Central Control Unit

The Design of Patrol System Based on Image Acquisition

2013 ◽  
Vol 860-863 ◽  
pp. 2902-2905
Author(s):  
Guo Xin Li ◽  
Jian Wei Lu
Keyword(s):  
Image Acquisition ◽  
Control Unit ◽  
Central Control ◽  
Test Results ◽  
Patrol Officers ◽  
Central Control Unit ◽  
Design Requirements ◽  
Live Image ◽  
Design Ideas ◽  
Time Image

This article presents the design ideas of patrol system based on real-time image acquisition in patrol points. In this system, the image acquisition terminals are mounted on many patrol points, which are set in a predetermined patrol line. When patrol officers arrived at a patrol point, the image acquisition terminal mounted on the patrol point will capture a live image via a GPRS MMS module ,and then the image acquisition terminal sends this image to the central control unit in a form of MMS. The central control unit receives the sent MMS message, and separate out the image information from the received message, and then saves it to a database. According to the actual test results of this patrol system, it can not only meet the design requirements, but also the whole system has a high stability and reliability.

Research and Development of Intelligent Tracing Robot Based on HCS12 SCM

2012 ◽  
Vol 462 ◽  
pp. 277-280
Author(s):  
Hong Yi Zhao
Keyword(s):  
Research And Development ◽  
Control Strategy ◽  
Pid Control ◽  
Control Unit ◽  
Ccd Camera ◽  
Central Control ◽  
Robot System ◽  
Black Line ◽  
Central Control Unit ◽  
Image Information

Research and develop an intelligent tracing robot system based on HCS12 SCM. The system uses Freescale HCS12 series 16-bit SCM MC9SXS128 as its central control unit and apply a CCD camera to obtain road image information. After analyzing and calculating obtained road image, the system controls servo steering and adopts PID control strategy to control the speed of DC motor. The result proves this method can make intelligent tracing robot system move forward quickly and smoothly following the black line.

scholarly journals Raspberry PI 3B + microcomputer as a central control unit in intelligent building automation management systems

2018 ◽  
Vol 196 ◽  
pp. 04032 ◽  
Author(s):  
Mateusz Sałuch ◽  
Daniel Tokarski ◽  
Tomasz Grudniewski ◽  
Marta Chodyka ◽  
JerzyAntoni Nitychoruk ◽  
...  
Keyword(s):  
Rest Period ◽  
Control Unit ◽  
Management Systems ◽  
Raspberry Pi ◽  
Central Control ◽  
Building Automation ◽  
Intelligent Building ◽  
Central Control Unit ◽  
Building Management ◽  
Automation Systems

This article aims to show the possible savings in electricity costs in smart building installations with the use of new version of Raspberry Pi 3 model B + as the control unit in intelligent building automation systems. It presents a comparison of the consumption of electricity in two units used in the central control systems, i.e. a small Windows-based computer and a Raspberry microcomputer. The power consumption of these units was measured during the rest period and during standard operations in the intelligent installation system. The conducted measurements proved that the use of the new updated version of Raspberry Pi 3 model B + as the central control unit in intelligent building management systems is more economical and energy-saving.

An Automatic High Velocity Arc Spraying System

2008 ◽  
Vol 373-374 ◽  
pp. 89-92 ◽  
Author(s):  
Jin Yuan Bai ◽  
Yong Xiong Chen ◽  
Jiang Bo Cheng ◽  
Xiu Bing Liang ◽  
Bin Shi Xu
Keyword(s):  
High Velocity ◽  
Rotational Velocity ◽  
Control Unit ◽  
Arc Spraying ◽  
Central Control ◽  
Compact Structure ◽  
Central Control Unit ◽  
Spraying Parameters ◽  
High Velocity Arc Spraying ◽  
Sprayed Coating

A new automatic high velocity arc spraying system was developed. The system was consisted of five units, i.e. central control unit, operating machine, positioner, touching screen and high velocity arc spraying equipment. The central control unit is controlled by a program, controlling other four units. Spraying parameters could be input and modified on the touching screen during spraying. The moving of spraying gun was carried out by motion arm of the operating machine. The rotational velocity and angle of components to be sprayed was controlled by positioner. The spraying process for a cylinder body of automobile engine with the system was introduced in detail. The auto and manual arc spraying have been used to fabricate coating. The microstructure of the coatings prepared by the two spraying processing was analyzed. The result shows that the auto sprayed coating has a more uniform and compact structure than that of the manual sprayed coating.

Practical Autotuning for Transmission Electron Microscopes

1998 ◽  
Vol 4 (S2) ◽  
pp. 52-53
Author(s):  
M. Pan
Keyword(s):  
Control Unit ◽  
Ccd Camera ◽  
Central Control ◽  
Analysis Method ◽  
Comprehensive Understanding ◽  
Central Control Unit ◽  
Fast Computer ◽  
Transmission Electron ◽  
Acquisition Device ◽  
Electron Microscopes

There are three main algorithms for autotuning a transmission electron microscope (TEM), (1) image variance method, (2) tilt-induced image shift (TIS) method, and (3) automated diffractogram analysis method (ADA). In practice, each method has its own advantages and limitations. Therefore it is necessary to obtain a comprehensive understanding of each in order to be able to select the most appropriate one(s).There are four key elements in any TEM autotuning setup, (1) microscope control by an external computer, for example via the standard RS232 serial port; (2) proper image acquisition device, for example a TV or a slow-scan CCD camera; (3) appropriate software for image analysis, processing, and optimization; (4) a fast computer that is the central control unit in the setup and dictates all the activities and operations.

Magnetotherapy for group treatment

2021 ◽  
Author(s):  
V.I. Zhulev ◽  
M.B. Kaplan
Keyword(s):  
Magnetic Field ◽  
Local Control ◽  
Control Unit ◽  
Individual Treatment ◽  
Central Control ◽  
Generation Process ◽  
Control Module ◽  
Interface Module ◽  
Autonomous Mode ◽  
Interface Unit

The advantage of complex magnetic therapy devices (MTD) is the possibility of forming magnetic fields that are complexly distributed in space and time, which provides focused treatment of a specific disease, taking into account the individual characteristics of the patient. To increase the throughput of the physiotherapy room, a solution is proposed for organizing the simultaneous treatment of several patients using one device. Within the framework of the study, an approach based on the use of a reconfigurable system was considered, in accordance with which the MTD is built in the form of a set of the same type of intelligent magnetotherapy cells (MTC) and a central control module. This structure is the basis of the hardware component of the MTC, designed for group magnetotherapy. The conceptual model of the MTC includes the following elements: a local control unit, a local interface module, a memory unit, an identification unit, a power interface unit, an inductor unit, and a control unit. The specified composition of MTC components, on the one hand, provides the possibility of autonomous operation of the cell, and on the other hand, it supports centralized control, diagnostics, and simultaneous start and stop of the magnetic field generation process. The main idea of the method for conducting group magnetotherapy is the generation by the central control module of a unified magnetotherapy technique formed on the basis of magnetotherapy techniques, each of which is selected taking into account the required individual treatment of a particular patient. Conventionally, the aggregate of MTC is divided into groups – field-forming systems, each of which is used to treat an individual patient. Each MFT operates in an autonomous mode, which is achieved due to the presence of a local control unit in the cell, which, through the local interface module, receives the data necessary for carrying out a magnetotherapy procedure, and after a group launch independently generates and controls the acting magnetic field. In addition, the analysis of the proposed solution is carried out in the work, as well as issues of possible technical implementation are considered. Thus, the advantage, determined by the autonomous mode of operation of the MTC, allows you to set the duration of the operation of each cell within the framework of the current magnetotherapy procedure, individually. As a result, at the end of a separate magnetotherapy procedure, the MTCs that were used for this procedure can be used to create a field-forming system for treating the next patient, without the need to wait for the end of all active magnetotherapy procedures. In the practical construction of an MTD intended for group magnetotherapy, it is recommended to use microcontrollers as control units, motor drivers as a power interface unit, and specialized DS2411 type microcircuits as an identification unit. One of the possible implementations can be a solution based on an Internet server, then it is recommended to choose Ethernet as the interface, and it is preferable to use the IP address of the MTC as the MTC identifier. The ideas and solutions considered in the framework of the task of implementing group magnetotherapy can be generalized and used for other physical fields used in physiotherapy.

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