• 제목/요약/키워드: Hardware-In-the-Loop Simulation (HILS)

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전동식 동력 조향 장치 시험을 위한 HILS(Hardware-In-the-Loop Simulation) 시스템 개발 (HILS(Hardware-In-the-Loop Simulation) Development of a Steering HILS System)

  • 류제하;노기한;김종협;김희수
    • 한국자동차공학회논문집
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    • 제7권9호
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    • pp.105-111
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    • 1999
  • The paper presents development of a Hardware-In-the-Loop simulation (HILS) system for the purpose of testing performance, stability, and reliability of an electronic power steering system(EPS). In order to realistically test an EPS by the proposed HILS apparatus, a simulated uniaxial dynamic rack force is applied physically to the EPS hardware by a pnumatic actuator. An EPS hardware is composed of steering wheel &column, a rack & pinion mechanism, andas motor-driven power steering system. A command signal for a pneumatic rack-force actuator is generated from the vehicle handling lumped parameter dynamic model 9software) that is simulated in real time by using a very fast digital signal processor. The inputs to the real-time vehicle dynamic simulation model are a constant vehicle forward speed and from wheel steering angles driven through a steering system by a driver. The output from a real-time simulation model is an electric signal that is proportional to the uniaxial rack force. The vehicle handling lumped parameter dynamic model is validated by a fully nonlinear constrained multibody vehicle dynamic model. The HILS system simulation results sow that the proposed HILS system may be used to realistically test the performance stability , and reliability of an electronic power steering system is a repeated way.

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EHB 시스템을 위한 Hardware-in-the-Loop 시뮬레이터 개발 (Development of Hardware-in-the-Loop Simulator for EHB Systems)

  • 허승진;박기홍;이해철;김태우;김형수
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2003년도 춘계학술대회 논문집
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    • pp.1139-1143
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    • 2003
  • HILS(Hardware-In-the-Loop Simulation) is a scheme that incorporates hardware components of primary concern in the numerical simulation environment. Due to its advantages over actual vehicle test and pure simulation, HILS is being widely accepted in automotive industries as test benches for vehicle control units. Developed in this study is a HILS system for EHB(Electro-Hydraulic Brake) systems that include a high pressure generator and a valve control system that independently modulates the brake pressures at four wheels. An EHB control logic was tested in the HILS system. Test results under various driving conditions are presented and compared with the VDC logic.

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분산제어 기반 직류 마이크로그리드 전력관리시스템의 HIL 시뮬레이션 적용 연구 (Development of Hardware In-the-Loop Simulation System for Testing Power Management of DC Microgrids Based on Decentralized Control)

  • 투딘두;리덕중;이동춘
    • 전력전자학회논문지
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    • 제24권3호
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    • pp.191-200
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    • 2019
  • This study proposes a hardware-in-the-loop simulation (HILS) system based on National Instruments' PXI platform to test power management and operation strategies for DC microgrids (MGs). The HILS system is developed based on the controller HIL prototype, which involves testing the controller board in hardware with a real-time simulation model of the plant in a real-time digital simulator. The system provides an economical and effective testing function for research on MG systems. The decentralized power management strategy based on the DC bus signaling method for DC MGs has been developed and implemented on the HILS platform. HILS results are determined to be similar to those of the off-line simulation in PSIM software.

OPAL-RT 기반의 Hardware-in-the-Loop Simulation (HILS) 시스템을 이용한 독립운전모드 마이크로그리드 시뮬레이션 (Islanded Microgrid Simulation using Hardware-in-the Loop Simulation (HILS) System based on OPAL-RT)

  • 유형준;김학만
    • 전기학회논문지
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    • 제62권4호
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    • pp.566-572
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    • 2013
  • A microgrid is a small scale power system. The microgrid is operated in two operation modes, the grid-connected mode and the islanded mode. In the islanded mode, the frequency of a microgrid should be maintained constantly. For this, the balance between power supply and power demand during islanded mode should be met. In general, energy storage systems (ESSs) are used to solve power imbalance. In this paper, the frequency control effect of a Lithium-ion battery energy storage system (Li-ion BESS) has been tested on the hardware-in-the loop simulation (HILS) system environment.

EcoHILS를 활용한 효율적인 CPS 시험에 관한 연구 (A Research on Effective Cyber-Physical Systems Tests Using EcoHILS)

  • 김민조;강성주;전인걸;김원태
    • 대한임베디드공학회논문지
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    • 제9권4호
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    • pp.211-217
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    • 2014
  • Cyber-Physical Systems(CPS) that mostly provides safety-critical and mission-critical services requires high reliability, so that system testing is an essential and important process. Hardware-In-the-Loop Simulation(HILS) is one of the extensively used techniques for testing hardware systems. However, most conventional HILS has problems that it is difficult to support a distributed operating environment and to reuse a HILS platform. In this paper, we introduce EcoHILS(ETRI CPS Open Human-Interactive hardware-in-the-Loop Simulator) in order to test CPS effectively. Moreover, feasibility tests and performance tests of EcoHILS are performed to confirm its effectiveness.

디지털 조속기의 성능 시험을 위한 HILS 시스템 개발에 관한 연구 (A Study on the Development of HILS System for Performance Test of Digital Governor)

  • 장민규;조성훈;전일영;안병원;박영산;배철오;이성근;김윤식
    • 한국정보통신학회:학술대회논문집
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    • 한국해양정보통신학회 2003년도 춘계종합학술대회
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    • pp.317-319
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    • 2003
  • HILS(Hardware In-the Loop Simulation)은 임베디드(Embedded) 시스템의 개발과 시험에 많이 이용된다. 임베디드(Embedded) 시스템은 시스템의 운전 환경에서 쉽고, 철저하게 그리고 반복해서 시험할 수 없을 때 사용된다. HILS는 빠르고 경제적으로 제품을 개발하는데 유효하다. 또한 생산품이 생산을 시작한 후에 심각한 문제점들이 발견될 가능성을 상당히 줄여주어 생산품 개발 시간동안에 설계 최적화와 하드웨어/소프트웨어 디버깅을 실행하는데 도움을 준다. 본 연구는 Digital Governor의 성능을 확인하기 위해 스팀터빈 플랜트와 동기 발전기를 포함한 시뮬레이터를 HIL(Hardware In-the Loop Simulator)로 구현하였으며, 실시간으로 시스템의 응답을 확인할 수 있도록 소프트웨어로 구성하였다.

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Hardware-in-the-Loop Simulation을 이용한 3-레벨 NPC 전압형 HVDC 시스템 구현 및 테스트 (Implementation and Test of 3-level NPC VSC-HVDC System using Hardware-in-the-Loop Simulation)

  • 유형준;김남대;김학만
    • 전기학회논문지
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    • 제63권3호
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    • pp.343-348
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    • 2014
  • Recently, applications of VSC-HVDC systems to power systems are growing because of their control ability of reactive power. Meanwhile, the hardware-in-the-loop simulation (HILS) based on the real-time digital simulator has been applying to develop and test imbedded controllers and systems in the power industry to decrease costs and to save time. In this paper, a 3-level neutral point clamped (NPC) VSC-HVDC system is modeled and the embedded controllers of the NPC VSC-HVDC system are designed. The designed controllers are implemented by TMS320F28335. The TMS320F28335-based controllers of the NPC VSC-HVDC system are tested using the HILS.

VDC를 위한 HILS 시스템 개발에 관한 연구 (Development of HILS System for VDC)

  • 박기홍;허승진
    • 한국자동차공학회논문집
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    • 제11권3호
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    • pp.184-191
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    • 2003
  • HILS(Hardware-ln-the-Loop Simulation) is a scheme that incorporates hardware components of primary concern in the numerical simulation environment. Due to its advantages over actual vehicle test and pure simulation, HILS is being widely accepted in automotive industries as test benches for vehicle control units. Developed in this study is a HILS system for VDC(Vehicle Dynamics Control) with a valve control system that modulates the brake pressures at low wheels. Two VDC control logics were developed and tested in the HILS system. Test results under various driving conditions are presented in this paper.

HILS를 위한 시뮬레이션 프로그램 설계 기법 (A Design Method of the Simulation Program for HILS)

  • 박해리;전인수;송창준
    • 한국군사과학기술학회지
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    • 제16권4호
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    • pp.435-440
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    • 2013
  • In this paper, a design method of the simulation program for HILS(Hardware-In-the-Loop Simulation) system is proposed. The present method consists of definition of requirements for HILS, development of specifications, and implementation of the program to satisfy the specifications. In the implementation of the program, the application of hardware interface and the concept of structural modularization are proposed to satisfy the specifications. The concepts of CSCI(Computer Software Configuration Item) and encapsulation are used for structural modularization. The proposed method was practically applied to the development of the simulation program for the efficient operation in HILS of an anti-ship missile system.

전동식 동력 조향 장치 연구를 의한 HILS 시스템 개발 (A Development of Hardware-in-the Loop Simulation System For a Electric Power Steering System)

  • 박동진;윤석찬;한창수
    • 대한기계학회논문집A
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    • 제24권12호
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    • pp.2883-2890
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    • 2000
  • In this study, a Hardware-In-The-Loop-Simulation(HILS) system for developing a Electric-Power-Steering(EPS) system is designed. To test a EPS by HILS system, a mathematical vehicle model with a steering system model has been constructed. This mathematical model has been constructed. This mathematical model has been downloaded to the Digital-Signal-Processor(DSP) board. To realize the lateral force acting on the front wheel in a real car. the steering wheel angle sensor and vehicle velocity have been used for input signal. The force sensor has been used for a feedback signal. The full vehicle states could by simulated by the HILS system. Consequently, the HILS system could by used to analyze control-parameters of a EPS that contributes to the maneuverability and stability of a vehicle. At the same time, the HILS system can evaluate the whole performance of the vehicle-steering system. Also the HILS system could do test could not be executed in real vehicle. The HILs system will useful for developing the control logic for the EPS system.