WO2012008627A1 - 건설기계의 선회 제어 장치 및 그 방법 - Google Patents
건설기계의 선회 제어 장치 및 그 방법 Download PDFInfo
- Publication number
- WO2012008627A1 WO2012008627A1 PCT/KR2010/004528 KR2010004528W WO2012008627A1 WO 2012008627 A1 WO2012008627 A1 WO 2012008627A1 KR 2010004528 W KR2010004528 W KR 2010004528W WO 2012008627 A1 WO2012008627 A1 WO 2012008627A1
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- WIPO (PCT)
- Prior art keywords
- stop
- user
- upper swing
- target position
- preset
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/128—Braking systems
Definitions
- the present invention relates to a swing control device and a method of a construction machine, and more particularly, to the upper swing body of a construction machine (for example, an excavator), even if the driver releases the lever or gives a stop command, even within a predetermined range.
- the present invention relates to a turning control apparatus for a construction machine and a method for eliminating the conventional inconvenience of having to perform an additional driving operation by changing the position at which the stop command starts when the stop command is started.
- the stop is made at a certain point after turning a deceleration by starting the deceleration from the time when the driver releases the lever or gives a stop command.
- the stop position at this time is changed depending on the time when the stop command is started, and there is an inconvenience in that an additional driving operation has to be performed to meet the stop command.
- the present invention was developed to solve the above problems, the turning control device of a construction machine (especially an excavator) to stop the upper swing within a predetermined range even when the driver releases the lever or the stop command is different. And a method thereof.
- Start position estimator for calculating or estimating an optimal stop start position for stopping the upper swing structure at the set stop position (or angle) using the stop position (or angle) set by the user, and inputting a user stop command
- a stop target position calculating unit for obtaining a stop target position using the current upper swing position and the calculated or estimated optimal stop start position, and controlling the position of the swing motor to stop the upper swing structure at the obtained stop target position. It characterized in that it comprises a swing motor position control unit.
- the start position estimating unit comprises a means for calculating the optimum stop start position based on the upper swing mass moment of inertia of the construction machine and the maximum torque, or a lookup table defining a mapping relationship between the user set stop position and the stop start position. It is characterized in that it is any one of means for interpolating through a look-up table.
- the stop target position calculating unit may be a means for obtaining a stop target position as follows.
- Stop target position (A2-current position) / (A2-A1) * (E2-E1) + E1
- A2 is the optimal stop start position
- A1 is the minimum value considering the range of stop commands set or preset by the user based on A2
- E2 is the stop position (or angle) set by the user
- E1 is the user based on E2.
- Stop target position (A3-Current position) / (A3-A2) * (E3-E2) + E2
- A3 is the maximum value considering the stop command range set by the user or preset based on A2
- E3 is the maximum position considering the stop position range set or preset by the user based on E2
- A2 and E2 are the same as described above. .
- the step of calculating or estimating the stop start position is to obtain the optimum stop start position based on the upper swing mass moment of inertia of the construction machine and the maximum torque, or mapping of the user set stop position and the stop start position It is characterized by interpolating through a look-up table that defines the relationship.
- the step of obtaining the stop target position is characterized by obtaining the stop target position as follows.
- Stop target position (A2-current position) / (A2-A1) * (E2-E1) + E1
- A2 is the optimal stop start position
- A1 is the minimum value considering the range of stop commands set or preset by the user based on A2
- E2 is the stop position (or angle) set by the user
- E1 is the user based on E2.
- Stop target position (A3-Current position) / (A3-A2) * (E3-E2) + E2
- A3 is the maximum value considering the stop command range set by the user or preset based on A2
- E3 is the maximum position considering the stop position range set or preset by the user based on E2
- A2 and E2 are the same as described above. .
- the turning control device and method of the construction machine according to the present invention using the stop position (or angle) set by the user, the optimum stop start for stopping the upper swing body at the set stop position (or angle)
- the upper swing structure stops at the determined stop target position.
- FIG. 1 and 2 are views illustrating a general excavation work form
- 3 and 4 schematically show a conventional turning control.
- FIG. 5 is a block diagram showing a swing control device for a construction machine according to the present invention.
- FIG. 6 is a view schematically showing an aspect of obtaining a stop start position and a stop target position according to the present invention
- FIG. 7 is a flowchart showing a swing control method for a construction machine according to the present invention.
- FIG 8 shows schematically a swing control according to the invention.
- start position estimation unit 302 stop target position calculation unit
- FIG. 5 is a block diagram showing a swing control device for a construction machine according to the present invention.
- the device calculates an optimum stop start position for stopping the upper swing body at the set stop position (or angle) by using the stop position (or angle) set by the user.
- the swing motor position control unit 303 controls the position of the swing motor so that the upper swing body stops at the stop target position.
- the start position estimating unit 301 when the user has set the stop position (or angle) of the upper swing body, optimal stop for stopping the upper swing body at the user set stop position (or angle). It is to calculate or estimate the starting position.
- Example 1 for calculating or estimating the optimum stop start position A2 using the user set stop position E2.
- E2 calculates E2 numerically (for example, 90 degrees) based on the upper rotor mass moment of inertia and the maximum torque of a typical excavator, or through a test look-up table ) And calculate it by interpolating.
- Example 2 of calculating or estimating the optimum stop start position A2 using the user set stop position E2.
- the stop target position calculation unit 302 uses the current upper swing position and the calculated or estimated optimal stop start position to determine the stop target position. (See FIG. 6).
- Stop target position (A2-current position) / (A2-A1) * (E2-E1) + E1
- A2 is the optimal stop start position
- A1 is the minimum value considering the range of stop commands set or preset by the user based on A2
- E2 is the stop position (or angle) set by the user
- E1 is the user based on E2.
- Stop target position (A3-Current position) / (A3-A2) * (E3-E2) + E2
- A3 is the maximum value considering the stop command range set by the user or preset based on A2
- E3 is the maximum position considering the stop position range set or preset by the user based on E2
- A2 and E2 are the same as described above. .
- the upper pivot is controlled to stop at the 89 degree point.
- the swing motor position control unit 303 is installed between the stop target position calculation unit 302 and the swing motor.
- the stop target position is obtained as described above, the position of the swing motor is stopped so that the upper swing body stops at the determined stop target position.
- the specific position control method is known and the description thereof is omitted here.
- FIG. 7 is a view showing in sequence the operation of the swing control device of a construction machine (especially an excavator) according to the present invention.
- the present operation first sets the stop position (or angle) of the upper swing body in accordance with the user's key operation (S501).
- an optimum stop start position for stopping the upper swing structure at the user set stop position (or angle) is calculated or estimated through the start position estimator (S502).
- stop position (E2) When the user arbitrarily inputs the stop position (E2) numerically, it is usually calculated based on the mass and moment of inertia of the upper swing of the general excavator, and the look-up table is created through testing. This is calculated by interpolation.
- the stop target position is obtained as follows through linear interpolation.
- Stop target position (A2-current position) / (A2-A1) * (E2-E1) + E1
- A2 is the optimal stop start position
- A1 is the minimum value considering the range of stop commands set or preset by the user based on A2
- E2 is the stop position (or angle) set by the user
- E1 is the user based on E2.
- Stop target position (A3-Current position) / (A3-A2) * (E3-E2) + E2
- A3 is the maximum value considering the stop command range set by the user or preset based on A2
- E3 is the maximum position considering the stop position range set or preset by the user based on E2
- A2 and E2 are the same as described above. .
- the position of the swing motor is controlled to stop the upper swing body at the obtained stop target position through the swing motor position control unit (S506).
- the present invention calculates or estimates the optimum stop start position for stopping the upper swing body at the set stop position (or angle) using the stop position (or angle) set by the user.
- the stop target position is obtained by using the current upper swing position and the calculated or estimated optimal stop start position, and then the turning motor of the upper swing structure is controlled so that the upper swing structure stops at the obtained stop target position.
- the present invention can stop the upper pivot in a narrower range even when the driver releases the lever or the stop command (A1, A2, A3 in the drawing) is different. Since the position is changed depending on when the stop command is started, the conventional inconvenience of having to perform an additional driving operation can be eliminated.
- the present invention can be used for the turning control device of construction machinery, in particular, an excavator, and is optimal for stopping the upper turning body at the set stop position (or angle) by using a stop position (or angle) set by the user.
- a stop target position is obtained by using the current upper swing position and the calculated or estimated optimal stop start position when a user stop command is input.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Jib Cranes (AREA)
Abstract
Description
E2 | 45 | 90 | 135 | 180 |
A2 | 25 | 45 | 80 | 135 |
E2 | 45 | 90 | 135 | 180 |
A2 | 25 | 45 | 80 | 135 |
Claims (6)
- 사용자가 설정한 정지 위치(또는, 각도)를 이용하여 그 설정 정지 위치(또는, 각도)에 상부 선회체를 정지시키기 위한 최적의 정지시작 위치를 계산 또는 추정하는 시작위치 추정부;사용자 정지 명령 입력시, 현재 상부 선회체 위치와 상기 계산 또는 추정된 최적의 정지시작 위치를 이용하여 정지목표 위치를 구하는 정지목표 위치산출부; 및상기 구해진 정지목표 위치에 상부 선회체가 정지하도록 선회모터의 위치를 제어하는 선회모터 위치제어부를 포함하여 이루어진 건설기계의 선회 제어 장치.
- 제 1 항에 있어서,상기 시작위치 추정부는상기 최적의 정지시작 위치를 건설기계의 상부 선회체 질량 관성 모멘트와 최대 토크를 기준으로 계산하는 수단 또는, 사용자 설정 정지 위치와 정지시작 위치의 매핑 관계를 정의한 룩업 테이블(look-up table)을 통해 보간하여 계산하는 수단 중 어느 하나인 것을 특징으로 하는 건설기계의 선회 제어 장치.
- 제 1 항에 있어서,상기 정지목표 위치산출부는정지목표 위치를 아래와 같이 구하는 수단인 것을 특징으로 하는 건설기계의 선회 제어 장치.1. 현재 위치가 A1과 A2사이에 있는 경우,정지 목표 위치 = (A2-현재 위치)/(A2-A1)*(E2-E1)+E1여기서, A2는 최적의 정지시작 위치, A1은 A2를 기준으로 사용자가 설정하거나 기설정된 정지 명령 범위를 고려한 최소값, E2는 사용자가 설정한 정지 위치(또는, 각도), E1은 E2를 기준으로 사용자가 설정하거나 기설정된 정지위치범위를 고려한 최소 위치2. 현재 위치가 A2와 A3사이에 있는 경우,정지 목표 위치 = (A3-현재 위치)/(A3-A2)*(E3-E2)+E2여기서, A3은 A2를 기준으로 사용자가 설정하거나 기설정된 정지 명령 범위를 고려한 최대값, E3은 E2를 기준으로 사용자가 설정하거나 기설정된 정지위치범위를 고려한 최대 위치, A2와 E2는 상기한 바와 동일.
- 사용자가 설정한 정지 위치(또는, 각도)를 이용하여 그 설정 정지 위치(또는, 각도)에 상부 선회체를 정지시키기 위한 최적의 정지시작 위치를 계산 또는 추정하는 단계;사용자 정지 명령 입력시, 현재 상부 선회체 위치와 상기 계산 또는 추정된 최적의 정지시작 위치를 이용하여 정지목표 위치를 구하는 단계; 및상기 구해진 정지목표 위치에 상부 선회체가 정지하도록 선회모터의 위치를 제어하는 단계를 포함하여 이루어진 건설기계의 선회 제어 방법.
- 제 4 항에 있어서,상기 정지시작 위치를 계산 또는 추정하는 단계는상기 최적의 정지시작 위치를 건설기계의 상부 선회체 질량 관성 모멘트와 최대 토크를 기준으로 구하거나 또는, 사용자 설정 정지 위치와 정지시작 위치의 매핑 관계를 정의한 룩업 테이블(look-up table)을 통해 보간하여 구하는 것을 특징으로 하는 건설기계의 선회 제어 방법.
- 제 4 항에 있어서,상기 정지목표 위치를 구하는 단계는상기 정지목표 위치를 아래와 같이 구하는 것을 특징으로 하는 건설기계의 선회 제어 방법.1. 현재 위치가 A1과 A2사이에 있는 경우,정지 목표 위치 = (A2-현재 위치)/(A2-A1)*(E2-E1)+E1여기서, A2는 최적의 정지시작 위치, A1은 A2를 기준으로 사용자가 설정하거나 기설정된 정지 명령 범위를 고려한 최소값, E2는 사용자가 설정한 정지 위치(또는, 각도), E1은 E2를 기준으로 사용자가 설정하거나 기설정된 정지위치범위를 고려한 최소 위치2. 현재 위치가 A2와 A3사이에 있는 경우,정지 목표 위치 = (A3-현재 위치)/(A3-A2)*(E3-E2)+E2여기서, A3은 A2를 기준으로 사용자가 설정하거나 기설정된 정지 명령 범위를 고려한 최대값, E3은 E2를 기준으로 사용자가 설정하거나 기설정된 정지위치범위를 고려한 최대 위치, A2와 E2는 상기한 바와 동일.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080068018.5A CN102985622B (zh) | 2010-07-13 | 2010-07-13 | 施工机械的回转控制装置和方法 |
US13/809,820 US9008919B2 (en) | 2010-07-13 | 2010-07-13 | Swing control apparatus and method of construction machinery |
JP2013519559A JP5795064B2 (ja) | 2010-07-13 | 2010-07-13 | 建設機械の旋回制御装置及びその方法 |
EP10854749.8A EP2594697B1 (en) | 2010-07-13 | 2010-07-13 | Swing control apparatus and method of construction machinery |
KR1020127033041A KR101769484B1 (ko) | 2010-07-13 | 2010-07-13 | 건설기계의 선회 제어 장치 및 그 방법 |
PCT/KR2010/004528 WO2012008627A1 (ko) | 2010-07-13 | 2010-07-13 | 건설기계의 선회 제어 장치 및 그 방법 |
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PCT/KR2010/004528 WO2012008627A1 (ko) | 2010-07-13 | 2010-07-13 | 건설기계의 선회 제어 장치 및 그 방법 |
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WO2012008627A1 true WO2012008627A1 (ko) | 2012-01-19 |
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US (1) | US9008919B2 (ko) |
EP (1) | EP2594697B1 (ko) |
JP (1) | JP5795064B2 (ko) |
KR (1) | KR101769484B1 (ko) |
CN (1) | CN102985622B (ko) |
WO (1) | WO2012008627A1 (ko) |
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US9765503B2 (en) | 2011-08-09 | 2017-09-19 | Volvo Construction Equipment Ab | Hydraulic control system for construction machinery |
KR20140071376A (ko) | 2011-10-05 | 2014-06-11 | 볼보 컨스트럭션 이큅먼트 에이비 | 굴삭기를 이용한 평탄화 작업 제어시스템 |
DE112012006316B4 (de) | 2012-06-04 | 2023-07-06 | Volvo Construction Equipment Ab | Antriebssteuerverfahren für eine Baumaschine |
KR101741703B1 (ko) | 2013-01-24 | 2017-05-30 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계의 유량 제어장치 및 제어방법 |
JP6511387B2 (ja) * | 2015-11-25 | 2019-05-15 | 日立建機株式会社 | 建設機械の制御装置 |
US10519626B2 (en) * | 2017-11-16 | 2019-12-31 | Caterpillar Inc. | System and method for controlling machine |
JP7070047B2 (ja) * | 2018-04-26 | 2022-05-18 | コベルコ建機株式会社 | 旋回式作業機械の旋回制御装置 |
JP6946234B2 (ja) * | 2018-04-27 | 2021-10-06 | 株式会社小松製作所 | 積込機械の制御装置および制御方法 |
CN109914517B (zh) * | 2019-03-26 | 2022-03-11 | 吉林大学 | 一种挖掘机智能回转节能控制系统 |
JP7141991B2 (ja) * | 2019-09-26 | 2022-09-26 | 日立建機株式会社 | 油圧ショベル |
CN113650685B (zh) * | 2021-07-26 | 2022-11-29 | 上海三一重机股份有限公司 | 作业机械的回转控制方法、装置、电子设备及存储介质 |
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Also Published As
Publication number | Publication date |
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EP2594697B1 (en) | 2021-12-15 |
KR101769484B1 (ko) | 2017-08-18 |
US9008919B2 (en) | 2015-04-14 |
CN102985622A (zh) | 2013-03-20 |
EP2594697A1 (en) | 2013-05-22 |
JP5795064B2 (ja) | 2015-10-14 |
JP2013535593A (ja) | 2013-09-12 |
EP2594697A4 (en) | 2018-02-14 |
KR20130124160A (ko) | 2013-11-13 |
US20130116897A1 (en) | 2013-05-09 |
CN102985622B (zh) | 2016-03-09 |
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