KR102670552B1 - 자동차의 후륜조향장치의 제어방법 - Google Patents
자동차의 후륜조향장치의 제어방법 Download PDFInfo
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- KR102670552B1 KR102670552B1 KR1020190103159A KR20190103159A KR102670552B1 KR 102670552 B1 KR102670552 B1 KR 102670552B1 KR 1020190103159 A KR1020190103159 A KR 1020190103159A KR 20190103159 A KR20190103159 A KR 20190103159A KR 102670552 B1 KR102670552 B1 KR 102670552B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/20—Conjoint control of vehicle sub-units of different type or different function including control of steering systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/0481—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such monitoring the steering system, e.g. failures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/002—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
- B62D7/1581—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels characterised by comprising an electrical interconnecting system between the steering control means of the different axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
- B60N2210/40—Force or pressure sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/301—Sensors for position or displacement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/304—Acceleration sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/84—Rear wheel steering; All wheel steerings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Description
도 2 는 본 발명의 자동차의 후륜조향장치의 제어방법의 플로우챠트,
도 3 은 본 발명의 자동차의 후륜조향장치의 제어방법의 신호흐름도이다.
10; 전자제어유닛(ECU)
20; RWS 엑츄에이터
21; 엑츄에이터
30; 스크류위치센서
40; 조향각센서
50; 가속도센서
60; 승객감지센서
Claims (8)
- 자동차의 후륜조향장치의 제어방법에 있어서,
상기 후륜조향장치에 설치되는 RWS 엑츄에이터에 설치되는 기구들의 내구 진행(aging)에 따르는 보상전류값을 결정하여 RWS 엑츄에이터로 인가되는 전류를 조절하는 내구 진행에 따른 보상제어수순;
상기 RWS 엑츄에이터에 설치되는 기구들의 마찰(friction)에 따른 보상전류값을 결정하여 RWS 엑츄에이터로 인가되는 전류를 조절하는 기구적 마찰(friction)에 따른 보상수순; 을 포함하고,
상기 내구 진행에 따른 보상제어수순은,
차량의 시동이 걸려지면(S10), 전자제어유닛(10)이 승객감지센서(60)로부터 센싱된 신호를 전달받아 차량에 탑승한 승객이 있는지를 판단하는 단계(S20);
판단 결과, 차량에 탑승한 승객이 있으면 전자제어유닛(10)이 차량의 속도가 기설정된 속도 범위내에 있는지를 판단하는 단계(S30);
판단 결과, 차량의 속도가 기설정된 속도 범위내에 있으면, 전자제어유닛(10)이 차량에 설치된 센서로부터 센싱된 신호를 전달받고, 전달받은 차량의 센서 데이터에 기반하여 RWS 엑츄에이터(20)에 내장된 엑츄에이터(21)에 인가되는 목표 전류를 연산하는 단계(S40);
상기 전자제어유닛(10)이 상기 RWS 엑츄에이터(20)로 인가되는 실제 전류값을 전달받고(S50), 상기 S40 단계에서 연산된 RWS 엑츄에이터로 인가되는 목표 전류값과 전달받은 실제 전류값(Ia)의 차이가 기설정된 전류차이값(Id)을 초과하는지 판단하는 단계(S60);
전자제어유닛(10)이 스크류위치센서(30)로부터 전달받는 엑츄에이터위치데이터값과 엑츄에이터로 인가되는 실제 전류값(Ia)의 값을 연속적으로 누적하여 카운팅(count)하는 단계(S70);
카운팅된 엑츄에이터위치데이터의 누적값과 실제 전류값(Ia)의 누적값에 기반하여 후륜조향장치의 내구 진행(aging)에 따른 보상전류값(Ic)을 결정하여 RWS 엑츄에이터(20)로 인가하는 단계(S80); 를 포함하여 구성되는 것을 특징으로 하는 제어방법.
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 S40 단계에서의 목표 전류의 연산은,
상기 전자제어유닛(10)에 설정된 센서 데이터에 따른 목표 전류값이 맵핑(mapping)된 표(table)을 참조하여, 표에서 해당 센서 데이터에 해당하는 목표 전류값(It)을 선택하는 방식으로 수행되는 구성을 특징으로 하는 제어방법.
- 제 4 항에 있어서, 상기 S40 단계에서,
상기 차량에 설치된 센서는 조향각센서(40), 가속도센서(50) 및 스크류위치센서(30)이고,
상기 센서 신호 데이터는 차량의 조향각, 가속도 및 엑츄에이터위치데이터인 구성을 특징으로 하는 제어방법.
- 제 1 항에 있어서, 상기 S80 단계에서의 보상전류값(Ic)은,
상기 전자제어유닛(10)에 설정된 엑츄에이터위치데이터의 누적값 및 실제 전류값의 누적값이 맵핑(mapping)된 표(table)을 참조하여, 표에서 해당 엑츄에이터위치데이터의 누적값 및 실제 전류값의 누적값에 해당하는 보상전류값(Ic)를 선택하는 방식으로 수행되는 구성을 특징으로 하는 제어방법.
- 제 1 항에 있어서, 상기 기구적 마찰(friction)에 따른 보상수순은,
상기 전자제어유닛(10)은 상기 RWS 엑츄에이터(20)로 인가되는 실제 전류값을 전달받고(S90), 상기 S90 단계에서 연산된 RWS 엑츄에이터로 인가되는 목표 전류값과 전달받은 실제 전류값(Ia)의 차이가 기설정된 전류차이값(Id)을 초과하는지 판단하는 단계(S100);
상기 전자제어유닛(10)이 기구적 마찰에 따른 보상전류값(If)을 결정하여 RWS 엑츄에이터(20)로 인가하는 단계(S110); 를 포함하여 구성되는 것을 특징으로 하는 제어방법.
- 제 7 항에 있어서, 상기의 기구적마찰에 따른 보상전류값(Ic)은,
상기 전자제어유닛(10)에 설정된 마찰값의 상한값부터 하한값에 이르는 보상전류값이 맵핑(mapping)된 표(table)을 참조하여, 표에서 해당 마찰값에 보상전류값(If)를 선택하는 방식으로 수행되는 것을 특징으로 하는 제어방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190103159A KR102670552B1 (ko) | 2019-08-22 | 2019-08-22 | 자동차의 후륜조향장치의 제어방법 |
| US16/798,810 US11845498B2 (en) | 2019-08-22 | 2020-02-24 | Control methods for rear wheel steering apparatus of cars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190103159A KR102670552B1 (ko) | 2019-08-22 | 2019-08-22 | 자동차의 후륜조향장치의 제어방법 |
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| Publication Number | Publication Date |
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| KR20210024354A KR20210024354A (ko) | 2021-03-05 |
| KR102670552B1 true KR102670552B1 (ko) | 2024-06-03 |
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| KR1020190103159A Active KR102670552B1 (ko) | 2019-08-22 | 2019-08-22 | 자동차의 후륜조향장치의 제어방법 |
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| KR (1) | KR102670552B1 (ko) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015155455A1 (fr) | 2014-04-10 | 2015-10-15 | Jtekt Europe | Estimation du vieillissement d'une direction assistée |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63163906A (ja) * | 1986-12-26 | 1988-07-07 | Toyota Autom Loom Works Ltd | 無人搬送車用走行モ−タの速度制御装置 |
| JPH06206479A (ja) * | 1993-01-12 | 1994-07-26 | Mazda Motor Corp | 自動車用制御装置の制御ゲイン変更装置 |
| KR0168817B1 (ko) * | 1996-03-29 | 1999-01-15 | 김영귀 | 자동차 후륜조향시스템의 페일세이프 제어장치 |
| JP3625662B2 (ja) * | 1998-10-05 | 2005-03-02 | 三菱電機株式会社 | 電動パワーステアリング装置 |
| JP2008302900A (ja) * | 2007-06-11 | 2008-12-18 | Nagoya Institute Of Technology | 電動パワーステアリング装置の制御装置 |
| JP4600505B2 (ja) * | 2008-04-09 | 2010-12-15 | トヨタ自動車株式会社 | 車両のステアリング装置 |
| KR101612670B1 (ko) * | 2015-02-13 | 2016-04-14 | 주식회사 만도 | 차량용 후륜 조향 장치의 원점 보정 제어방법 |
| KR102200098B1 (ko) * | 2015-02-26 | 2021-01-07 | 현대자동차주식회사 | 전동식 파워 스티어링 시스템의 조향토크 보상 제어 방법 |
| JP2017043114A (ja) * | 2015-08-24 | 2017-03-02 | 株式会社ショーワ | 電動パワーステアリング装置 |
| JP6766445B2 (ja) * | 2016-05-25 | 2020-10-14 | 日本精工株式会社 | 電動パワーステアリング装置 |
| KR102417403B1 (ko) | 2016-12-14 | 2022-07-06 | 현대자동차주식회사 | Ars를 이용한 차량의 안정화 제어 방법 및 안정화 제어 시스템 |
| KR102458757B1 (ko) | 2017-11-29 | 2022-10-26 | 현대자동차주식회사 | 리어 휠 스티어링 제어시스템 및 이를 이용한 제어방법 |
| JP7115386B2 (ja) * | 2019-03-27 | 2022-08-09 | トヨタ自動車株式会社 | 車両の制御装置 |
| GB2583342B (en) * | 2019-04-23 | 2023-09-13 | Trw Ltd | Electrical power steering system |
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- 2019-08-22 KR KR1020190103159A patent/KR102670552B1/ko active Active
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- 2020-02-24 US US16/798,810 patent/US11845498B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015155455A1 (fr) | 2014-04-10 | 2015-10-15 | Jtekt Europe | Estimation du vieillissement d'une direction assistée |
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| Publication number | Publication date |
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| US20210053609A1 (en) | 2021-02-25 |
| US11845498B2 (en) | 2023-12-19 |
| KR20210024354A (ko) | 2021-03-05 |
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