scholarly journals DESIGN AND EXPERIMENT OF A NEW ROTARY COATING MACHINE BASED ON LabVIEW

2021 ◽  
pp. 91-100
Author(s):  
Xiwen Zhang ◽  
Zhanfeng Hou ◽  
Nianzu Dai

In view of the problems of long coating time, complicated manual operation, high multi-seed rate of coated seeds, low qualified rate, and low degree of automation of control equipment in traditional rotary coating machine, a new type of rotary coating machine was designed while using LabVIEW with a complete electric control system, which can effectively improve the speed and quality of coating. The system uses single-chip microcomputer as the lower computer, LabVIEW as the upper computer, and uses programming electronic control technology to set seed coating parameters in advance, precisely control each part and achieve precise supply. Batch supply of powder and liquid greatly improves the automation and intelligence of the operating system, improves the coating efficiency, reduces the multi-seed rate and the seedless rate, and increases the coating pass rate. In order to improve the coating quality and the supply accuracy of the coating machine, the error analysis and calibration test of the seed supply system, powder supply system and liquid supply system were carried out. After the test verification, the supply error was controlled within 2% to meet the demand for precise supply. The test results show that the pass rate of the seeds coated by the new rotary coating machine is increased by 15% to 20% compared with the seeds coated by the traditional manual coating.

2013 ◽  
Vol 846-847 ◽  
pp. 190-194
Author(s):  
Shu Jun Yin ◽  
Xue Ren Li ◽  
Ji Geng Luo

The paper designs a three-phase high voltage power supply system based on active disturbance rejection controller which make single-chip microcomputer ATmega128 as the main control chip and the system improve the stability and control precision of dust removing power. Engineering practice shows that, the DC power supply system has the advantages of convenient operation, high work efficiency, system stability.


2012 ◽  
Vol 241-244 ◽  
pp. 1139-1142
Author(s):  
Ming Ming Xiao

A new intelligent control system for a new type equipment of special-shaped stone machining is presented, it can reach high quality of intelligent machining for the special-shaped stone production. The hardware platform use universal IPC as kernel, which consists of IPC, embedded micro-computer system, SCM(Single Chip Micyoco). The CAD/CAM system consists of 3 sub-modules: graphic information processing module, 3-dimention dynamic modeling and simulating module and machining implementing module.


Author(s):  
Jingjun Yu ◽  
Jian S. Dai ◽  
Xin-Jun Liu ◽  
Shusheng Bi ◽  
Guanghua Zong

Low-degree-of-freedom (Low-DOF) parallel manipulators (PMs) have drawn extensive interest, particularly in type synthesis in which two main approaches were established in the reciprocal screw system theory and Lie group theory. This paper aims at proposing a new type synthesis method to complementing the above methods. For this purpose, the concept of the DOF characteristic matrix, originated from displacement subgroup and displacement submanifold, is proposed. A new but general approach based on the atlas of DOF Characteristic Matrix is addressed for both exhaustive classification and type synthesis of low-DOF PMs. Compared to the method based on Lie group, the proposed approach is prone to construct an orthogonal structure and easy to realize the complete classification and exhaustive enumeration of a class of low-DOF PM. In order to verify the effectiveness of the proposed method, type synthesis of Translational PMs (TPMs) particularly in ones with an orthogonal structure is performed, resulting in some novel orthogonal TPMs.


2004 ◽  
Vol 24 (5-6) ◽  
pp. 703-715 ◽  
Author(s):  
Zhiwei Lian ◽  
Guirong Zhang ◽  
Hongmin Liu ◽  
Xiaojiang Ye
Keyword(s):  

2020 ◽  
Vol 3 ◽  
pp. 105-114
Author(s):  
Yu.S. Yakovlev ◽  
◽  
O.O. Tymashov ◽  
O.V. Yelysieva ◽  
L.I. Kurzantseva ◽  
...  

A new type of semi-natural modeling system is proposed. This type differs from the existing ones by the presence of a human-machine Smart interface, that maintains a comfortable environment for the user due to sensors of various functional purposes, providing opportunities for conducting experiments and other user actions, as well as a subsystem of converters and switching circuits that have its functionality, which generally improves the performance and efficiency of the system. The main components of the proposed system of semi-natural modeling and the workstation of the experimenter, as well as the block diagram of the block of converters and the switching circuit are presented. Modeling is used to study the designed automatic system in order to determine its reliability, stability, sensitivity and behavior in the event of failure of certain elements, under various, including emergency, effects. In addition, in the process of semi-natural modeling, the advantages of mathematical and natural modeling are successfully combined, and an optimal interaction between computational and natural experiments can be achieved. The use of a computer with all the attributes creates the necessary prerequisites for checking the parameters within various limits. Test verification complements the entire process that allows you to find errors in the computational process, while the content of the model adequately reflects the object itself, and the sequential (parallel) build-up of models and their processing provides the following features: reducing the time and cost of testing, increasing the reliability and survivability of the designed objects and other quality criteria typical for semi-natural modeling. Furthermore, great importance is attached to the use of systems with ring buses, which greatly increases the performance of the system due to parallelization in each sector of the ring bus.


2018 ◽  
Vol 1 (1) ◽  
pp. 23 ◽  
Author(s):  
Jingyi Xie ◽  
Mingliang Li ◽  
Hairu Fang

In this paper, a new type of solar energy automatic tracking controller based on single chip microcomputer is designed to improve the utilization rate of solar energy. Using AT89S52 microcontroller as the core control components, through two photoelectric sensors, signal is collected through the comparison circuit and A / D, the results will be outputted to the single-chip microcontroller for data analysis and processing before output to ULN2003A to control the five-wire four-phase step motor to achieve the tracking of the sun position. The system has the advantages of low cost, and has good anti-interference ability improving the utilization rate of solar energy. The design firstly completed the simulation of the program, and then mainly editing using C programming to complete the program design. Through the downloader the program will be programmed into the microcontroller. Finally, through the construction of hardware experiments to achieve the objective of designed tracking.


2019 ◽  
Vol 9 (19) ◽  
pp. 3953 ◽  
Author(s):  
Yan Chen ◽  
Chunyan Ma ◽  
Xiangnan Hou ◽  
Yinke Dou ◽  
Rui Chen

Based on the preliminary study of the distribution of wind and light resources in the Zhongshan Station of Antarctica, and the conclusion that the scenery and resources of the station area are sufficient and complementary, this paper proposes to adapt to the power supply problem of the aeroponic, stereoscopic cultivation device in the Controlled Micro-environment applied to the polar regions. The overall architecture of the power supply system is designed. Based on the STC8A8K64S4A12 single-chip microcomputer, the hardware circuit and software program of the wind and solar hybrid power supply system controller are also designed. Finally, the debugging experiment is carried out.


2014 ◽  
Vol 543-547 ◽  
pp. 541-546
Author(s):  
Xue Bing Liao ◽  
Hong Fei Luo ◽  
Lei Peng ◽  
Feng Ling

In order to test new type self-propelled Gun's power generate and supply system, based on modular structure and distributed control design method, using variable frequency control and dual-model control technique, the laboratory equipment was designed according to the technical requirements. Firstly, the structure of the laboratory equipment was build. Based on design of hybrid multimode synchronous teeth belt transmission, programmable load unit, programmable power source and data fusion operator, main composition of the laboratory equipment are developed. Distributed control is used to ensure the laboratory equipment work orderly. To improve ability of anti-electromagnetic interference, three methods are used. Practically use, the synthetically laboratory equipment is proved to being high stability, strong comprehensiveness, good generality.


2013 ◽  
Vol 300-301 ◽  
pp. 551-555
Author(s):  
Deng Chao Li ◽  
Jian Hua Wang ◽  
Yong Sheng Yang

The internal high temperature of tire not only reduces the service life of the tire, but also increases fuel consumption. An on-line monitoring system of temperature field in tire is designed. The temperature measurement module of lower computer is made up of temperature measurement network of thermocouple, single chip microcomputer and other modules. The upper computer software is designed under the environment of VC ++, making use of the serial port to realize communication. The functions such as temperature collection, analysis, display and storage capabilities were realized. The system has the advantages of convenient use, reliable operation, solving the difficult problem of obtaining tire actual temperature.


2014 ◽  
Vol 494-495 ◽  
pp. 1216-1219
Author(s):  
Li Chao Ma ◽  
Ke Zhao ◽  
Li Fu Zhang ◽  
Han Yang

Based on AVR Single Chip Microcomputer and C# language design of a carving machine control system. It elaborated on design of the main control board hardware circuit of USB and upper computer control software workflow. For circuit board uneven problems put forward a kind of automatic engraving depth compensation plan.


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