• 제목/요약/키워드: neural-net control

검색결과 107건 처리시간 0.032초

최적구조의 신경회로망을 이용한 로붓 매니퓰레이터의 비주얼 서보잉 (Visual Servoing of Robot Manipulators using the Neural Network with Optimal structure)

  • 김대준;이동욱;전효병;심귀보
    • 대한전기학회:학술대회논문집
    • /
    • 대한전기학회 1996년도 하계학술대회 논문집 B
    • /
    • pp.1269-1271
    • /
    • 1996
  • This paper presents a visual servoing combined by evolutionary algorithms and neural network for a robotic manipulators to control position and orientation of the end-effector. Using the multi layer feedforward neural network that permits the connection of other layers, evolutionary programming(EP) that search the structure and weight of the neural network, and evolution strategies(ES) which training the weight of neuron, we optimized the net structure of control scheme. Using the four feature image information from CCD camera attached to end-effector of RV-M2 robot manipulator having 5 dof, we generate the control input to agree the target image, to realize the visual servoing. The validity and effectiveness of the proposed control scheme will be verified by computer simulations.

  • PDF

Neural-Net Based Nonlinear Adaptive Control for AUV

  • Li, Ji-Hong;Lee, Sang-Jeong;Lee, Pan-Mook
    • 제어로봇시스템학회:학술대회논문집
    • /
    • 제어로봇시스템학회 2001년도 ICCAS
    • /
    • pp.173.4-173
    • /
    • 2001
  • This paper presents a stable nonlinear adaptive control for AUV(Autonomous Underwater Vehicle) by using neural network. AUV's dynamics are highly nonlinear, and their hydrodynamic coefficients vary with different operational conditions. In this paper, the nonlinear uncertainties of the AUV's dynamics are approximated by using LPNN(Linearly parameterized Neural Network). The presented controller is consist of three parallel terms; linear feedback control, sliding mode control, and adaptive control(LPNN). Lyapunov theory is used to guarantee the stability of tracking errors and neural network´s weights errors. Numerical simulations for nonlinear control of the AUV show the effectiveness of the proposed techniques.

  • PDF

안정된 로봇걸음걸이를 위한 견실한 제어알고리즘 개발에 관한 연구 (A Study on the Development of Robust control Algorithm for Stable Robot Locomotion)

  • 황원준;윤대식;구영목
    • 한국산업융합학회 논문집
    • /
    • 제18권4호
    • /
    • pp.259-266
    • /
    • 2015
  • This study presents new scheme for various walking pattern of biped robot under the limitted enviroments. We show that the neural network is significantly more attractive intelligent controller design than previous traditional forms of control systems. A multilayer backpropagation neural network identification is simulated to obtain a learning control solution of biped robot. Once the neural network has learned, the other neural network control is designed for various trajectory tracking control with same learning-base. The main advantage of our scheme is that we do not require any knowledge about the system dynamic and nonlinear characteristic, and can therefore treat the robot as a black box. It is also shown that the neural network is a powerful control theory for various trajectory tracking control of biped robot with same learning-vase. That is, we do net change the control parameter for various trajectory tracking control. Simulation and experimental result show that the neural network is practically feasible and realizable for iterative learning control of biped robot.

퍼지-뉴럴 제어기법에 의한 이동 로봇의 자율주행 제어시스템 개발 (Development of Automatic Cruise Control System of Mobile Robot Using Fuzzy-Neural Control Technique)

  • 김종수;한덕기;김영규;한성현
    • 한국공작기계학회:학술대회논문집
    • /
    • 한국공작기계학회 2001년도 춘계학술대회 논문집(한국공작기계학회)
    • /
    • pp.250-254
    • /
    • 2001
  • This paper presents a new approach to the design of cruise control system of a mobile robot with two drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy-neural network, and back propagation algorithm to train the fuzzy-neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by two independent wheels.

  • PDF

퍼지-뉴럴 제어기법을 이용한 이동형 로봇의 자율주행 제어시스템 개발 (Development of Automatic Cruise Control System of Mobile Robot Using Fuzzy-Neural Control Technique)

  • 김휘동;양승윤;전완수;안병국;한성현
    • 한국공작기계학회:학술대회논문집
    • /
    • 한국공작기계학회 2000년도 추계학술대회논문집 - 한국공작기계학회
    • /
    • pp.130-134
    • /
    • 2000
  • This paper presents a new approach to the design of cruise control system of a mobile robot with two drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy-neural network, and back propagation algorithm to train the fuzzy-neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by two independent wheels.

  • PDF

궤도차량의 속도 및 자세 제어를 위한 뉴럴-퍼지 제어기 설계 (Neural-Fuzzy Controller Design for the Azimuth and Velocity Control of a Track Vehicle)

  • 한성현
    • 한국공작기계학회:학술대회논문집
    • /
    • 한국공작기계학회 1997년도 춘계학술대회 논문집
    • /
    • pp.68-75
    • /
    • 1997
  • This paper presents a new approach to the design of neural-fuzzy controller for the speed and azimuth control of a track vehicle. The proposed control scheme uses a Gaussian function as a unit function in the frzzy-neural network, and back propagaton algorithm to train the fuzzy-neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a track vehicle driven by two independent wheels.

  • PDF

자율주행 이동로봇의 실시간 퍼지신경망 제어 (Real-Time Fuzzy Neural Network Control for Real-Time Autonomous Cruise of Mobile Robot)

  • 정동연;김종수;한성현
    • 한국정밀공학회지
    • /
    • 제20권7호
    • /
    • pp.155-162
    • /
    • 2003
  • We propose a new technique far real-tine controller design of a autonomous cruise mobile robot with three drive wheels. The proposed control scheme uses a Caussian function as a unit function in the fuzzy neural network. and a back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-foray. The control performance of the proposed controller is illustrated by performing the computer simulation for trajectory tracking of the speed and azimuth of a autonomous cruise mobile robot driven by three independent wheels.

퍼지신경망을 이용한 자율주행 이동로봇의 실시간 제어 (Real-Time Control for Autonomous Cruise of Mobile Robot Using Fuzzy Neural Network)

  • 정동연;이우송;한성현
    • 한국정밀공학회:학술대회논문집
    • /
    • 한국정밀공학회 2003년도 춘계학술대회 논문집
    • /
    • pp.1697-1700
    • /
    • 2003
  • We propose a new technique for real-time controller design of a autonomous cruise mobile robot with three drive wheels. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy neural network, and a back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The control performance of the proposed controller is illustrated by performing the computer simulation for trajectory tracking of the speed and azimuth of a autonomous cruise mobile robot driven by three independent wheels.

  • PDF

이동로봇의 자율주행을 위한 실시간 퍼지신경망 제어 (Real-Time Fuzzy Neural Network Control for Real-Time Autonomous Cruise of Mobile Robot)

  • 정동연;김종수;한성현
    • 한국공작기계학회:학술대회논문집
    • /
    • 한국공작기계학회 2003년도 춘계학술대회 논문집
    • /
    • pp.312-318
    • /
    • 2003
  • We propose a new technique for the cruise control system design of a mobile robot with three drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy neural network and back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized teaming architecture. It is proposed a learning controller consisting of too neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by three independent wheels.

  • PDF

뉴럴네트워크를 이용한 이동로봇의 지능제어 (Intelligent Control of Mobile Robot Based-on Neural Network)

  • 김홍래;김용태;한성현
    • 한국공작기계학회:학술대회논문집
    • /
    • 한국공작기계학회 2004년도 추계학술대회 논문집
    • /
    • pp.207-212
    • /
    • 2004
  • This paper presents a new approach to the design of cruise control system of a mobile robot with two drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy neural network, and back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by two independent wheels.

  • PDF