KR970707429A - 이동검출장치(movement detecting device) - Google Patents

이동검출장치(movement detecting device)

Info

Publication number
KR970707429A
KR970707429A KR1019970702665A KR19970702665A KR970707429A KR 970707429 A KR970707429 A KR 970707429A KR 1019970702665 A KR1019970702665 A KR 1019970702665A KR 19970702665 A KR19970702665 A KR 19970702665A KR 970707429 A KR970707429 A KR 970707429A
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KR
South Korea
Prior art keywords
acceleration
velocity
relative
speed
calculating
Prior art date
Application number
KR1019970702665A
Other languages
English (en)
Other versions
KR100227288B1 (ko
Inventor
미치야수 타노
쓰토무 미야사카
Original Assignee
미치야수 타노
가부시키카이샤 데이타 테크
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Publication of KR970707429A publication Critical patent/KR970707429A/ko
Application granted granted Critical
Publication of KR100227288B1 publication Critical patent/KR100227288B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/53—Determining attitude
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/02—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means
    • G01D5/04—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means using levers; using cams; using gearing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2451—Incremental encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/52—Determining velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Navigation (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

차량과 같은 이동체에 특별한 개조를 행함이 없이, GPS신호를 이용하여 이동체의 위치, 속도, 방위각을 정확하게 계측할 수 있는 이동검출장치를 실현하기 위하여, GPS신호를 정상으로 수신할 수 있음과 동시에, 연산제어부3, 특히 속도연산처리부41, 방위각연산처리부42, 및 위치연산처리부43에 있어서, GPS신호에 따라서 이동체의 절대속도 등과 관성센서5에 의하여 상대속도등의 사이의 관계정보를 산출하여 두고, GPS신호가 수신할 수 없는 경우에, 상기 관계정보와 상대속도등의 정보를 사용하여 이동체의 실제의 속도와 방위각의 정보를 산출하도록 한다.

Description

이동검출장치(MOVEMENT DETECTING DEVICE)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 이동검출장치의 구성예를 도시하는 도.

Claims (5)

  1. GPS신호에 따라서 이동체의 절대위치, 절대속도, 및 절대방위각의 변화성분을 포함하는 제1이동정보를 생성하는 GPS연산수단과, 이동체의 진행방향으로 생긴 가속도 및 진행방향에 대하여 일정량의 경사각을 갖는 축선주위에 생긴 각속도를 검출하는 관성센서와, 상기 관성센서로 계측된 가속도 및 각속도로부터 해당 이동체의 상대위치, 상대속도, 및 상대방위각의 변화성분을 포함하는 제2이동정보를 생성하는 수단과, 제1 및 제2이동정보를 각각 상호의 정보에 의해 보정하고 상기 이동체의 실위치, 실속도, 및 실방위각을 포함하는 실이동정보를 연산에 의해 생성하는 연산제어수단을 구비하여 이루어지는 이동검출장치.
  2. 제1항에 있어서, 상기 연산제어수단은, GPS신호를 정상수신한 경우에 생성되는 연산결과정보를 보지하여 두고, GPS신호가 수신할 수 없던 경우는 상기 보지된 연산결과정보를 사용하여 상기 이동체의 실이동정보를 연산하도록 구성되어 있는 것을 특징으로 하는 이동검출장치.
  3. 제1항에 있어서, 상기 연산제어수단은, 상기 실속도 및 각속도데이타에 따라서 그 실속도에 관해서의 원심력의 영향을 보정하는 원심력보정수단을 가지는 것을 특징으로 하는 이동검출장치.
  4. 제1항에 있어서, 상기 연산제어수단은, 상기 절대속도와 상기 상대속도와의 차분 및 상기 절대방위각과 상기 상대바위각과의 차분에서 상기 관성센서의 드리프트에 의한 오차량을 각각 산출하여, 산출한 각 오차량에 따라서 상기 상대속도 및 상기 상대방위각을 각각 보정하는 보정수단을 가지는 것을 특징으로 하는 이동검출장치.
  5. 제1항에 있어서, 상기 연산제어수단은, (1) 상기 절대속도(VGX)와 상기 상대속도(VX)를 필터합성하여 얻은 합성 속도의 변화분에서 제1운동가속도(EGX)를 산출하는 수단, 가속도데이타(AX)로 부터 제1운동가속도(EGX)를 빼어 제1중력가속도(a)를 산출하는 수단, (2) 각속도데이타(q)를 적분하여 얻은 각도정보(θ)를 제2중력가속도(β)로 변환하는 수단, (3) 제1및 제2중력가속도(α, β)를 필터합성하여 얻은 제3중력가속도(ax)를 기준경사각에 근거하여 제4중력가속도(βx)로 변환하는 수단, (4) 제1중력가속도(a)와 제4중력가속도와의 사이의 오차치(ε)를 산출하는 수단, 및, (5) 제2중력가속도(β)를 상기 오차치(ε)에 의해 보정하여, 보정후의 중력 가속도를 가속도데이타(AX)부터 빼어 제2운송가속도(EXoff)를 산출함과 동시에, 이 제2운송가속도(EXoff)를 적분하여 실속도(V)를 산출하는 수단을 가지는 속도연산처리부를 포함하는 것을 특징으로 하는 이동검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970702665A 1995-08-28 1996-08-28 이동검출장치 KR100227288B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP24250795 1995-08-28
JP95-242507 1995-08-28
PCT/JP1996/002407 WO1997008514A1 (fr) 1995-08-28 1996-08-28 Detecteur de mouvement

Publications (2)

Publication Number Publication Date
KR970707429A true KR970707429A (ko) 1997-12-01
KR100227288B1 KR100227288B1 (ko) 1999-11-01

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KR1019970702665A KR100227288B1 (ko) 1995-08-28 1996-08-28 이동검출장치

Country Status (6)

Country Link
US (1) US5828987A (ko)
EP (1) EP0789223B1 (ko)
KR (1) KR100227288B1 (ko)
CN (1) CN1090314C (ko)
DE (1) DE69625172T2 (ko)
WO (1) WO1997008514A1 (ko)

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US5828987A (en) 1998-10-27
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