• 제목/요약/키워드: Mobile Control

검색결과 3,989건 처리시간 0.03초

PDA를 이용한 이동로봇 제어 (PDA-based Supervisory Control of Mobile Robots)

  • 정성호;김성주;김용택;전홍태
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2002년도 춘계학술대회 및 임시총회
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    • pp.105-108
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    • 2002
  • This paper represents the mobile robot control system remote controlled by PDA(personal digital assistance). So far, owing to the development of internet technologies, lots of remote control methods through internet have been proposed. To control a mobile robot through internet and guide it under unknown environment, We propose a control method activated by PDA. In a proposed system, PDA acts as a user interface to communicate with notebook as a controller of the mobile robot system using TCP/IP protocol, and the notebook controls the mobile robot system. The information about the direction and velocity of the mobile robot feedbacks to the PDA and the PDA send new control method produced from the fuzzy inference engine.

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가속기 제어시스템의 SMS 모바일 시스템 구현 (Developing of SMS Mobile System for the PAL Control System)

  • 윤종철;박병률;;강홍식;최진혁
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2006년도 제37회 하계학술대회 논문집 D
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    • pp.1913-1914
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    • 2006
  • Modem Industrial control systems tend to adopt a variety of intelligent wireless device controllers to interface front-end computers with active components of the industrial device. Some of the intelligent control systems come equipped with a wireless SMS(Simple Message Service) interface giving an opportunity to use fault alarm Interlock system. Immediately send warning or alert messages to Mobile devices or remote users. Real time monitoring the SMS systems by Mobile devices. Control systems remotely by mobile devices in emergency situation. In order to provide against system fault, SMS Mobile System will enable system administrator to promptly access, monitor and control the system whenever users want and wherever users are, by utilizing wireless Internet and mobile devices. This paper presents the Mobile SMS system for PAL Control System.

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Diameter Mobile-lP 응용을 지원하는 Diameter 선불 시스템의 설계 및 구현 (Design and implementation of prepaid service for Mobile-lP in Diameter)

  • 유상근;김현곤
    • 한국통신학회논문지
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    • 제30권1A호
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    • pp.76-83
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    • 2005
  • 본 논문은 Diameter 기반 AAA 시스템에서 Mobile-lP 응용과 연동하는 선불 서비스의 설계 및 구현에 대하여 기술하였다. 선불 서비스 기능은 Diameter의 Credit-Control 응용에 기반 하였으며, Credit-Control 응용은 기존의 RADIUS 과금 방식이나 Diameter 베이스 프로토콜의 과금 방식이 지원하지 않는 선불 과금 서비스를 제공하기 위한 응용 기능이다. 실시간 선불 서비스 기능은 실시간 서비스 비용 결정과 서비스를 제공하기 위한 사용자의 계정 잔액 확인 절차 등과 같은 추가의 기능들을 요구한다. 본 논문에서는 위와 같은 추가의 기능들을 지원할 수 있도록, Mobile-lP 응용 서비스인 Diameter Mobile-lP 응용과 연동하는 Diameter Credit-Control 응용의 설계와 구현에 대하여 기술한다.

A Posture Control for Two Wheeled Mobile Robots

  • Shim, Hyun-Sik;Sung, Yoon-Gyeoung
    • Transactions on Control, Automation and Systems Engineering
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    • 제2권3호
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    • pp.201-206
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    • 2000
  • In this paper, a posture control for nonholonomic mobile robots is proposed with an empirical basis. In order to obtain fast and consecutive motions in realistic applications, the motion requirements of a mobile robot are defined. Under the assumption of a velocity controller designed with the selection guidance of control parameters, the algorithm of posture control is presented and experimentally demonstrated for practicality and effectiveness.

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Design of Fuzzy Logic Control System for Segway Type Mobile Robots

  • Kwak, Sangfeel;Choi, Byung-Jae
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제15권2호
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    • pp.126-131
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    • 2015
  • Studies on the control of inverted pendulum type systems have been widely reported. This is because this type of system is a typical complex nonlinear system and may be a good model to verify the performance of a proposed control system. In this paper, we propose the design of two fuzzy logic control systems for the control of a Segway mobile robot which is an inverted pendulum type system. We first introduce a dynamic model of the Segway mobile robot and then analyze the system. We then propose the design of the fuzzy logic control system, which shows good performance for the control of any nonlinear system. In this paper, we here design two fuzzy logic control systems for the position and balance control of the Segway mobile robot. We demonstrate their usefulness through simulation examples. We also note the possibility of simplifying the design process and reducing the computational complexity. This possibility is the result of the skew symmetric property of the fuzzy rule tables of the system.

The VLR Overflow Control Scheme considering Mobility of Mobile Users in Wireless Mobile Networks

  • Oh, Sun-Jin
    • 한국멀티미디어학회논문지
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    • 제6권4호
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    • pp.601-609
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    • 2003
  • In wireless mobile networks, the service area is partitioned into several registration areas (RAs). Every RA is associated with a mobility database called Visitor Location Register (VLR). The VLR is used to achieve the location management of the mobile terminals. When a mobile terminal enters a new RA, the VLR stores the current location information of the mobile terminal before serving any mobile services. At that time, if the VLR is full, the registration procedure fails, and the system can not deliver services to the mobile user under the existing cellular technology To resolve this problem, we propose a VLR overflow control scheme considering mobility of mobile users to accomodate incoming users during VLR overflow. The performance of the proposed scheme is evaluated by an analytic model in terms of costs for the location search and the location update, and compared with those of the overflow control scheme proposed by Lin[1].

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스마트팩토리 실현을 위한 다중센서기반 모바일로봇의 위치 및 자세제어에 관한 연구 (A Study on Orientation and Position Control of Mobile Robot Based on Multi-Sensors Fusion for Implimentation of Smart FA)

  • 동근한;김희진;배호영;김상현;백영태;한성현
    • 한국산업융합학회 논문집
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    • 제22권2호
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    • pp.209-218
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    • 2019
  • This study proposes a new approach to Control the Orientation and position based on obstacle avoidance technology by multi sensors fusion and autonomous travelling control of mobile robot system for implimentation of Smart FA. The important focus is to control mobile robot based on by the multiple sensor module for autonomous travelling and obstacle avoidance of proposed mobile robot system, and the multiple sensor module is consit with sonar sensors, psd sensors, color recognition sensors, and position recognition sensors. Especially, it is proposed two points for the real time implementation of autonomous travelling control of mobile robot in limited manufacturing environments. One is on the development of the travelling trajectory control algorithm which obtain accurate and fast in considering any constraints. such as uncertain nonlinear dynamic effects. The other is on the real time implementation of obstacle avoidance and autonomous travelling control of mobile robot based on multiple sensors. The reliability of this study has been illustrated by the computer simulation and experiments for autonomous travelling control and obstacle avoidance.

하이브리드 시스템 제어 방법을 이용한 이동로봇의 자율 추행 동작제어 (Autonomous Navigation Motion Control of Mobile Robots using Hybrid System Control Method)

  • 이용미;임미섭;임준홍
    • 대한전기학회논문지:시스템및제어부문D
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    • 제51권5호
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    • pp.182-189
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    • 2002
  • This paper presents a framework of hybrid dynamic control systems for the motion control of wheeled mobile robot systems with nonholonomic constraints. The hybrid control system has the 3-layered hierarchical structure: digital automata for the higher process, mobile robot system for the lower process, and the interface as the interaction process between the continuous dynamics and the discrete dynamics. In the hybrid control architecture of mobile robot, the continuous dynamics of mobile robots are modeled by the switched systems. The abstract model and digital automata for the motion control are developed. In high level, the discrete states are defined by using the sensor-based search windows and the reference motions of a mobile robot in low level are specified in the abstracted motions. The mobile robots can perform both the motion planning and autonomous maneuvering with obstacle avoidance in indoor navigation problem. Simulation and experimental results show that hybrid system approach is an effective method for the autonomous maneuvering in indoor environments

IoT 기반의 비전 및 원격제어 소형 이동 로봇 시스템 (Iot Based Vision and Remote Control a Compact Mobile Robot System)

  • 전윤채;최혜리;윤기철;김광기
    • 한국멀티미디어학회논문지
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    • 제24권2호
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    • pp.267-273
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    • 2021
  • Recently, the small-size mobile robots with remote-control are rapidly growth which market of mobile is increased in the world. Especially, the smart-phones are widely used for interface device in the small size of a mobile robot. The research goal is control system design which is applied to miniaturization of a mobile robot using smart-phone and it can be confirmed performance for designed system. Meanwhile, the fabrication of mini-mobile robot can also be remote-control operation through the WIFI performance of a smart-phone. The smart-phone is used to remote-control for robot operation which control data transmit to robot via the WIFI network. To drive the robot, we can observe by the smart-phone screen and it can easily adjust the robot drive condition and direction by smart-phone button. Consequentially, there was no malfunction and images were printed out well. However, in drive, because of blind spot, robot was bumped into obstacle. Therefore, the additional test is necessary to sensor for blind spot which sensor can be equipment to mobile robot. In addition, the experiment with robot object recognition is needed.

INTELLIGENT CONTROL STRATEGY FOR A MOBILE VEHICLE WITH NEURCOMPUTER

  • Sugisaka, Masanori;Wang, Xin;Lee, Ju-Jang
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1997년도 한국자동제어학술회의논문집; 한국전력공사 서울연수원; 17-18 Oct. 1997
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    • pp.815-818
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    • 1997
  • In this paper, an intelligent control strategy for a mobile vehicle, based on the technology of the artificial neural network in a Neurocomputer, is presented. The mobile vehicle learned recognizing and driving knowledge by a neurocomputer. Moment Invariants computation was used to extract the shape of objects. The technologies of both neurocomputer and Neumann-type computer are applied into the control system, and make the mobile vehicle be capable of tracking designated objects and avoiding obstacles.

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