KR100870091B1 - 센서를 이용한 회전상태 판단 방법 및 장치 - Google Patents
센서를 이용한 회전상태 판단 방법 및 장치 Download PDFInfo
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- KR100870091B1 KR100870091B1 KR1020070046084A KR20070046084A KR100870091B1 KR 100870091 B1 KR100870091 B1 KR 100870091B1 KR 1020070046084 A KR1020070046084 A KR 1020070046084A KR 20070046084 A KR20070046084 A KR 20070046084A KR 100870091 B1 KR100870091 B1 KR 100870091B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
- B60G17/01908—Acceleration or inclination sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0162—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during a motion involving steering operation, e.g. cornering, overtaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/02—Control of vehicle driving stability
- B60W30/045—Improving turning performance
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
- B60G2400/104—Acceleration; Deceleration lateral or transversal with regard to vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
- B60G2400/106—Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/16—GPS track data
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/90—Single sensor for two or more measurements
- B60G2401/902—Single sensor for two or more measurements the sensor being an xy axis sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/16—Running
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/24—Steering, cornering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/70—Estimating or calculating vehicle parameters or state variables
- B60G2800/702—Improving accuracy of a sensor signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/90—System Controller type
- B60G2800/91—Suspension Control
- B60G2800/912—Attitude Control; levelling control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
- B60T2210/30—Environment conditions or position therewithin
- B60T2210/36—Global Positioning System [GPS]
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Navigation (AREA)
Abstract
Description
Claims (14)
- 이동체의 가속도를 감지하는 적어도 2축 가속도 센서로부터 주행 중 서로 다른 축의 센서 출력신호를 읽어오는 단계; 및,상기 읽어온 서로 다른 축의 센서 출력신호를 비교하여 상기 이동체의 직진상태 또는 회전상태를 판단하는 단계를 포함하고,상기 가속도 센서는,상기 2축 중 일축은 상기 이동체의 진행방향에 대한 가속도 센서신호(Y)를 출력하고, 다른 일축은 상기 이동체의 좌/우 방향에 대한 가속도 센서신호(X)를 출력하는 것을 특징으로 하는 센서를 이용한 회전상태 판단 방법.
- 삭제
- 제1항에 있어서,상기 서로 다른 축의 센서 출력신호를 읽어오는 단계는,상기 이동체의 주행 중 상기 진행방향에 대한 가속도 센서신호(Y)를 주기적으로 읽어오는 단계와,상기 진행방향의 가속도 센서신호(Y)와 동기하여 상기 좌/우 방향에 대한 가속도 센서신호(X)를 읽어오는 단계를 포함하는 센서를 이용한 회전상태 판단 방법.
- 제1항에 있어서,상기 서로 다른 축의 센서 출력신호를 비교하여 상기 이동체의 직진상태 또는 회전상태를 판단하는 단계는,상기 진행방향에 대한 가속도 센서신호(Y)의 절대 값(|Y|)과 상기 좌/우 방향에 대한 가속도 센서신호(X)의 절대 값(|X|)을 산출하는 단계와,상기 산출된 절대 값들(|Y|, |X|)의 크기 비교를 통해 상기 이동체가 직진상태인지 또는 회전상태인지 여부를 판단하는 단계를 포함하는 센서를 이용한 회전상태 판단 방법.
- 제4항에 있어서,상기 산출된 절대 값들(|Y|, |X|)의 크기 비교를 통해 상기 이동체가 직진상태인지 또는 회전상태인지 여부를 판단하는 단계는,상기 진행방향에 대한 가속도 센서신호(Y)의 절대 값(|Y|)이 상기 좌/우 방향에 대한 가속도 센서신호(X)의 절대 값(|X|)보다 크면 상기 이동체를 직진상태로 판단하는 단계와,상기 좌/우 방향에 대한 가속도 센서신호(X)의 절대 값(|X|)이 상기 진행방향에 대한 가속도 센서신호(Y)의 절대 값(|Y|)보다 크면 상기 이동체를 회전상태로 판단하고 상기 좌/우 방향의 가속도 센서신호(X)와 상기 진행방향의 가속도 센서신 호(Y)의 레벨 차이 값(X-Y)을 이용하여 상기 이동체의 회전상태를 판단하는 단계를 포함하는 센서를 이용한 회전상태 판단 방법.
- 제5항에 있어서,상기 좌/우 방향의 가속도 센서신호(X)와 상기 진행방향의 가속도 센서신호(Y)의 레벨 차이 값(X-Y)을 이용하여 상기 이동체의 회전상태를 판단하는 단계는,상기 레벨 차이 값(X-Y)이 양수 또는 음수인지 여부에 따라 상기 이동체의 우회전 상태 또는 좌회전 상태를 판단하는 단계를 포함하는 센서를 이용한 회전상태 판단 방법.
- 제6항에 있어서,상기 이동체의 우회전 상태 또는 좌회전 상태를 판단하는 단계는,상기 레벨 차이 값(X-Y)이 양수 값을 가지면 상기 이동체를 우회전 상태로 판단하는 단계와,상기 레벨 차이 값(X-Y)이 음수 값을 가지면 상기 이동체를 좌회전 상태로 판단하는 단계를 포함하는 센서를 이용한 회전상태 판단 방법.
- 제1항 또는 제3항 내지 제7항 중 어느 한 항의 방법을 실행하기 위한 프로그램이 기록되어 있는 것을 특징으로 하는 컴퓨터에서 판독 가능한 기록 매체.
- 이동체의 주행방향에 따른 가속도를 감지하기 위해 적어도 2축으로 구성되어 주행 중 서로 다른 축의 센서 출력신호를 각각 출력하는 가속도 센서; 및,상기 가속도 센서에서 출력된 서로 다른 축의 센서 출력신호를 비교하여 상기 이동체의 직진상태 또는 좌/우 회전상태를 판단하는 판단부를 포함하고,상기 가속도 센서는,상기 2축 중 일축은 상기 이동체의 진행방향에 대한 가속도 센서신호(Y)를 출력하고, 다른 일축은 상기 이동체의 좌/우 방향에 대한 가속도 센서신호(X)를 출력하는 것을 특징으로 하는 센서를 이용한 회전상태 판단 장치.
- 삭제
- 제9항에 있어서,상기 가속도 센서가 X, Y, Z 축으로 구성된 3축 가속도 센서일 경우, 상기 3축 중 상기 이동체의 진행방향과 좌/우 방향에 대한 축에 해당하는 가속도 센서신호만을 이용하는 것을 특징으로 하는 센서를 이용한 회전상태 판단 장치.
- 제9항에 있어서,상기 판단부는,상기 진행방향에 대한 가속도 센서신호(Y)의 절대 값(|Y|)와 상기 좌/우 방향에 대한 가속도 센서신호(X)의 절대 값(|X|)의 크기 비교를 통해 상기 이동체가 직진상태인지 또는 회전상태인지 여부를 판단하고,상기 좌/우 방향에 대한 가속도 센서신호(X)와 상기 진행방향에 대한 가속도 센서신호(Y)의 레벨 차이 값(X-Y)을 이용하여 상기 이동체가 우회전 상태인지 또는 좌회전 상태인지 여부를 판단하는 것을 특징으로 하는 센서를 이용한 회전상태 판단 장치.
- 제9항에 있어서,상기 센서 출력신호를 상기 판단부가 인식 가능한 신호 형태로 변환하여 상기 변환된 센서 출력신호를 상기 판단부로 출력하는 신호 처리부를 더 포함하는 센서를 이용한 회전상태 판단 장치.
- 제13항에 있어서,상기 신호 처리부는,상기 센서 출력신호를 상기 판단부가 인식 가능한 범위의 디지털 신호 형태로 변환하는 A/D 컨버터(analog to digital converter)로 구성되는 것을 특징으로 하는 센서를 이용한 회전상태 판단 장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070046084A KR100870091B1 (ko) | 2007-05-11 | 2007-05-11 | 센서를 이용한 회전상태 판단 방법 및 장치 |
AU2007353183A AU2007353183A1 (en) | 2007-05-11 | 2007-06-25 | Method and apparatus for decide turn condition using sensor |
EP07747086.2A EP2158580B1 (en) | 2007-05-11 | 2007-06-25 | Method and apparatus for deciding turn condition using a sensor |
US12/599,811 US8296015B2 (en) | 2007-05-11 | 2007-06-25 | Method and apparatus for decide turn condition using sensor |
PCT/KR2007/003057 WO2008140146A1 (en) | 2007-05-11 | 2007-06-25 | Method and apparatus for decide turn condition using sensor |
CN2007800537325A CN101743574B (zh) | 2007-05-11 | 2007-06-25 | 使用感应器判断转弯状态的方法和设备 |
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KR1020070046084A KR100870091B1 (ko) | 2007-05-11 | 2007-05-11 | 센서를 이용한 회전상태 판단 방법 및 장치 |
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KR20080100029A KR20080100029A (ko) | 2008-11-14 |
KR100870091B1 true KR100870091B1 (ko) | 2008-11-25 |
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US (1) | US8296015B2 (ko) |
EP (1) | EP2158580B1 (ko) |
KR (1) | KR100870091B1 (ko) |
CN (1) | CN101743574B (ko) |
AU (1) | AU2007353183A1 (ko) |
WO (1) | WO2008140146A1 (ko) |
Families Citing this family (7)
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KR20090001721A (ko) * | 2007-05-14 | 2009-01-09 | 팅크웨어(주) | 맵 매칭 보정 방법 및 상기 방법을 수행하는 내비게이션시스템 |
JP2014115093A (ja) * | 2012-12-06 | 2014-06-26 | Casio Comput Co Ltd | Gps受信装置およびプログラム |
US9582001B1 (en) | 2015-10-07 | 2017-02-28 | X Development Llc | Motor system for vehicle steering and locomotion |
CN105799709B (zh) * | 2016-03-10 | 2018-10-26 | 深圳市元征科技股份有限公司 | 车辆急转弯的识别方法及装置 |
CN105953793A (zh) * | 2016-04-21 | 2016-09-21 | 深圳市元征科技股份有限公司 | 一种车辆急转弯的识别方法以及装置 |
CN108692730B (zh) * | 2018-05-21 | 2021-08-10 | 同济大学 | 应用于惯性导航的行人转向识别方法 |
CN110672099A (zh) * | 2019-09-09 | 2020-01-10 | 武汉元生创新科技有限公司 | 一种用于室内机器人导航的航向校正方法和系统 |
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KR101047719B1 (ko) * | 2005-02-16 | 2011-07-08 | 엘지전자 주식회사 | 네비게이션 시스템에서 이동체의 주행경로 안내방법 및 장치 |
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JP4534944B2 (ja) * | 2005-10-07 | 2010-09-01 | トヨタ自動車株式会社 | 乗り物 |
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- 2007-05-11 KR KR1020070046084A patent/KR100870091B1/ko active IP Right Grant
- 2007-06-25 AU AU2007353183A patent/AU2007353183A1/en not_active Abandoned
- 2007-06-25 EP EP07747086.2A patent/EP2158580B1/en active Active
- 2007-06-25 WO PCT/KR2007/003057 patent/WO2008140146A1/en active Application Filing
- 2007-06-25 CN CN2007800537325A patent/CN101743574B/zh active Active
- 2007-06-25 US US12/599,811 patent/US8296015B2/en active Active
Patent Citations (3)
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JPH051915A (ja) * | 1991-06-26 | 1993-01-08 | Toshiba Corp | 車両用走行方位検出装置 |
JPH08304090A (ja) * | 1995-05-08 | 1996-11-22 | Pioneer Electron Corp | カーナビゲーション装置 |
KR20040040155A (ko) * | 2002-11-06 | 2004-05-12 | (주)마이크로인피니티 | 차량 항법 시스템 및 그 제어방법 |
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EP2158580A1 (en) | 2010-03-03 |
CN101743574A (zh) | 2010-06-16 |
AU2007353183A1 (en) | 2008-11-20 |
WO2008140146A1 (en) | 2008-11-20 |
EP2158580A4 (en) | 2013-01-02 |
EP2158580B1 (en) | 2018-01-10 |
KR20080100029A (ko) | 2008-11-14 |
US8296015B2 (en) | 2012-10-23 |
US20100222956A1 (en) | 2010-09-02 |
CN101743574B (zh) | 2012-06-13 |
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