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.

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

Fe-Based Amorphous/Nanocrystalline Coating on AZ91 Magnesium Alloy Substrate Deposited by Automatic High Velocity Arc Spraying

2011 ◽  
Vol 418-420 ◽  
pp. 786-791 ◽  
Author(s):  
Lin Lei Wang ◽  
Xiu Bing Liang ◽  
Shi Cheng Wei ◽  
Yong Xiong Chen ◽  
Wei Guo ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Elastic Modulus ◽  
Magnesium Alloy ◽  
High Velocity ◽  
Arc Spraying ◽  
Az91 Magnesium Alloy ◽  
X Ray ◽  
Nanocrystalline Coating ◽  
High Velocity Arc Spraying ◽  
Az91 Magnesium

An automatic high velocity arc spraying process was used to deposit a type of FeCrBSiMoNbW amorphous/nanocrystalline coating with substrate of AZ91 magnesium alloy. The microstructure of the coating was characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) equipped with energy dispersive X-ray analysis (EDAX). The coating is about 250μm in thickness with low porosity and oxids. The results show that the microstructure of the coating can be classified into two regions, namely, a full amorphous phase region and homogeneous dispersion of α-Fe (Cr) nanocrystals with 30-80 nm in a residual amorphous region. Mechanical properties, such as nano-hardness, elastic modulus, were analyzed. The experimental results show that the coating has high nano-hardness and elastic modulus. The friction and wear experiments were operated on UMT-2 micro friction tester. The relative wear resistance of the FeCrBSiMoNbW coating is about 2 times higher than that of the conventional 3Cr13 coating under the same conditions. The main wear mechanism of the amorphous/nanocrystalline coating is the typical brittle spalling.

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.

Properties of Fe-based Cr3C2 Coatings Produced with a High-Velocity Arc-Spraying Process

2009 ◽  
Vol 54 (3) ◽  
pp. 1339-1343 ◽  
Author(s):  
Can-Ming Wang ◽  
Hong-Fei Sun ◽  
Qiang Song ◽  
Zhiyan Qu
Keyword(s):  
High Velocity ◽  
Arc Spraying ◽  
High Velocity Arc Spraying ◽  
Spraying Process

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.

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