• 제목, 요약, 키워드: Process Monitoring System

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열처리공정의 지능형 웹 모니터링 산업용 공정제어 시스템 개발 (The Development of Industry Operation Control System using Intelligent Web Monitoring for the Heat Treatment Process)

  • 오재호;배효정;최기수;안두성
    • 한국동력기계공학회지
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    • v.9 no.4
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    • pp.181-186
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    • 2005
  • Because of advanced control technology, Shop floor control system of various kinds of equipment and machinery need a web based remote monitoring to control process efficiently. This paper presents the development of Operation Control System. Operation Control System(OCS) is based on intelligent web monitoring, so that OCS is improved the working condition for the line of heat treatment process and the product's quality. The developed OCS is consisted of Atmega128(MCU) based on embedded system, running the data logging of the line of heat treatment process. Web monitoring system is based on CS8900 ethernet controller and TCP/IP for remote monitoring responsibility between a server and clients and controlling the progress of entire system. The developed OCS is implemented on the line of heat treatment process and shows the improvement of environment condition, product's quality and efficiency of process line.

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압전소자를 이용한 AE센서 및 연마공정 감시장치 개발 (Development of acoustic emission sensor using piezoelectric elements and monitoring system for polishing process)

  • 김정돈;김성렬;김화영;안중환
    • 한국정밀공학회:학술대회논문집
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    • pp.560-565
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    • 2001
  • Recently, machining process monitoring technique based on AE(acoustic emission) signal is used widely and becomes very important technique in machining process for improving the efficiency and the confidence of the systems. In this study, we fabricated a cheap acoustic emission sensor and monitoring system and estimated the properties of them through comparing with commercial AE sensor systems. In addition, we evaluated the performance of the fabricated sensor in polishing process. Futhermore, we are scheduled to develop the multi-point polishing process monitoring system through fabrication of the more AE sensors and complement of the monitoring system.

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AE센서를 이용한 고속 탭핑용 공구 모니터링에 관한 연구 (A Study on Tool Monitoring for High Speed Tapping using AE Signal)

  • 김용규;이돈진;김선호;안중환
    • 한국정밀공학회:학술대회논문집
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    • pp.315-318
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    • 1997
  • In terms of productivity, the speed of machining process has been increasing in most of engineering part. But the tapping process does not reach at enough level compared with other machining processes because of its complicate cutting mechanism. In the high speed tapping process, the one of important elements is tool monitoring system to prevent tool breakage. This paper describes tool monitoring system by acoustic emission(AE) in the tapping process. We used 2 types of AE sensors in this test. The one is commercial sensor which is used in other machining monitoring system like polishing and the other is a self-fabricated sensor for this test. In this test we purpose to find out the frequency of AE signal in tapping process and verify the possibility of applying AE sensor in in-process tapping monitoring system. Also grasp of characteristic of tapping process by AE signal is handled.

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Agent Based Cinder Monitoring System supporting PDA

  • Han, Jung-Soo
    • International Journal of Contents
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    • v.4 no.4
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    • pp.7-11
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    • 2008
  • This paper embodies the agent based cinder monitoring system which supports PDA{Personal Digital Assistant). Monitoring system automatically manages data by using data managing agents such as a state managing agent, a location managing agent, a badness managing agent, a circumstances managing agent, etc, and uses a massive data processing agent to manage massive data. The development of agent based data monitoring system for the stable cinder reuse will be an epoch-making method to develop the process mechanized or manual-labored that widely spreads into the real-time automated process.

OES 센서를 이용한 반도체 식각 공정 모니터링 시스템 개발 (A Semiconductor Etching Process Monitoring System Development using OES Sensor)

  • 김상철
    • 한국컴퓨터정보학회논문지
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    • v.18 no.3
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    • pp.107-118
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    • 2013
  • 본 논문에서는 반도체 식각 공정 모니터링 시스템을 개발한다. 반도체 산업은 첨단 산업 중, 전자제품의 필수 부품을 생산하는 대표적인 고부가가치 산업으로, 세계 각국에서 치열한 개발 경쟁을 벌이고 있다. 이에 따라 반도체 제품의 품질과 특성, 그리고 생산성을 향상하기 위한 많은 연구들이 진행되고 있는데, 공정 모니터링 기술이 이에 해당한다. 실제로 반도체 회로를 형성하는 식각 공정에서의 불량은 큰 피해를 야기 시키므로, 공정을 상세히 모니터링 할 수 있는 시스템의 개발이 필요하다. 본 논문에서 기술하는 반도체 식각 공정 모니터링 시스템은 플라즈마를 이용한 건식식각 공정을 상세하게 관찰 분석하여 관리자에게 피드백하고, 설정된 시나리오에 맞게 자동으로 공정을 제어하여 공정 자동화 효율을 극대화한다. 실시간으로 모니터링을 수행하고 그 결과를 즉각적으로 시스템에 반영한다. 관리자는 시스템에서 제공하는UI(User Interface)를 통해 공정의 현재 상태를 진단할 수 있다. 시스템은 관리자가 사전에 작성한 공정 시나리오를 따라 공정을 자동으로 제어하고, 공정중단 시점을 효율적으로 찾아내어 생산 효율을 높인다.

G-code control 을 이용한 웹 기반 금형 가공 공정 모니터링 &컨트롤 시스템 개발 (Development of Web-based Mold manufacturing process monitoring & control system using G-code control)

  • 김건희;최진화;전병철;조명우
    • 한국정밀공학회:학술대회논문집
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    • pp.269-272
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    • 2004
  • The target of this paper is the development of Web-based monitoring & control system which is for effective and economic management of mold manufacturing process. This system has three module; G-code Control, Monitoring Module and Result analysis module. Also, as the environment of development is based on internet, this system which is possible to the remote site management of manufacturing process works on Web. To be possible to control the manufacturing monitoring by client, each module is made ActiveX control and is based on socket communication. This system makes the foundation which is possible to manage the mold manufacturing process efficiently from remote site by matching real-time monitoring with manufacturing process in factory using G-code control and displaying the result of manufacturing using Ch-CGI.

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예측감시 시스템에 의한 드릴의 마멸검출에 관한 연구 (A Study on the Wear Detection of Drill State for Prediction Monitoring System)

  • 신형곤;김태영
    • 한국공작기계학회논문집
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    • v.11 no.2
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    • pp.103-111
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    • 2002
  • Out of all metal-cutting process, the hole-making process is the most widely used. It is estimated to be more than 30% of the total metal-cutting process. It is therefore desirable to monitor and detect drill wear during the hole-drilling process. One important aspect in controlling the drilling process is monitoring drill wear status. There are two systems, Basic system and Online system, to detect the drill wear. Basic system comprised of spindle rotational speed, feed rates, thrust torque and flank wear measured by tool microscope. Outline system comprised of spindle rotational speed feed rates, AE signal, flank wear area measured by computer vision, On-line monitoring system does not need to stop the process to inspect drill wear. Backpropagation neural networks (BPNs) were used for on-line detection of drill wear. The output was the drill wear state which was either usable or failure. This paper deals with an on-line drill wear monitoring system to fit the detection of the abnormal tool state.

Agent Based Cinder Monitoring System Supporting PDA

  • Han, Jung-Soo
    • International Journal of Contents
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    • v.3 no.1
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    • pp.24-28
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    • 2007
  • This paper embodies the agent based cinder monitoring system which supports PDA(Personal Digital Assistant). Monitoring system automatically manages data by using data managing agents such as a state managing agent, a location managing agent, a badness managing agent, a circumstances managing agent, etc, and uses a massive data processing agent to manage massive data. The development of agent based data monitoring system for the stable cinder reuse will be an epoch-making method to develop the process mechanized or manual-labored that widely spreads into the real-time automated process.

Optical In-Situ Plasma Process Monitoring Technique for Detection of Abnormal Plasma Discharge

  • Hong, Sang Jeen;Ahn, Jong Hwan;Park, Won Taek;May, Gary S.
    • Transactions on Electrical and Electronic Materials
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    • v.14 no.2
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    • pp.71-77
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    • 2013
  • Advanced semiconductor manufacturing technology requires methods to maximize tool efficiency and improve product quality by reducing process variability. Real-time plasma process monitoring and diagnosis have become crucial for fault detection and classification (FDC) and advanced process control (APC). Additional sensors may increase the accuracy of detection of process anomalies, and optical monitoring methods are non-invasive. In this paper, we propose the use of a chromatic data acquisition system for real-time in-situ plasma process monitoring called the Plasma Eyes Chromatic System (PECS). The proposed system was initially tested in a six-inch research tool, and it was then further evaluated for its potential to detect process anomalies in an eight-inch production tool for etching blanket oxide films. Chromatic representation of the PECS output shows a clear correlation with small changes in process parameters, such as RF power, pressure, and gas flow. We also present how the PECS may be adapted as an in-situ plasma arc detector. The proposed system can provide useful indications of a faulty process in a timely and non-invasive manner for successful run-to-run (R2R) control and FDC.

LabVIEW를 이용한 SCM 지원 신발 공정관리 모니터링 시스템 개발 (Development of Shoes Process Management Monitoring System for Supporting SCM Using LabVIEW)

  • 이병우;김창동;이영진;고석조
    • 한국정밀공학회지
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    • v.22 no.6
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    • pp.135-143
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    • 2005
  • The shoes process management monitoring system for supporting SCM is developed in this study. This system consists of a monitoring program, a conveyer system, a pneumatic unit, a controller, an USB camera, and a server and a client computer. To operate the developed system easily, the monitoring program using LabVIEW in the Windows environment is developed. This program consists of 5 modules: production management, inventory control, media management, defective management, and communication management. The developed system has several advantages: reduced time for managing process work, decreased labor costs, effective operation, and continuous work without an operator. Nowadays advanced manufacturing companies are trying to find a way to check the performance of their production equipments and plants from remote sites. Thus, to manage the developed system from remote sites, communication network is constructed. In order to evaluate the performance of the monitoring system, experiments were performed. The experimental results showed that the developed system provided a reliable performance and a stable communication.