[특허]Apparatus and method for controlling a contruction machine

Apparatus and method for controlling a contruction machine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-031/02 G06F-015/20
출원번호	US-0712435 (1996-09-11)
우선권정보	JP-0034034 (1996-02-21)
발명자 / 주소	Tozawa Shoji,JPX Ono Tomoaki,JPX
출원인 / 주소	Shin Caterpillar Mitsubishi, Ltd., JPX
대리인 / 주소	Morrison Law Firm
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

The finishing precision and uniformity of hardness of a surface finished by a construction machine, such as back-hoe, is improved by modifying the targets of a position-tracking control system based on work-load applied to the end effector of the construction machine. For example, compaction of a surface, contoured by a position-tracking, back-hoe, can be made more uniform. This is accomplished by adjusting actuator targets, otherwise controlled on the basis of positional and speed constraints, in response to a detected work load acting on the end effector. To detect work load, a hydraulic fluid pressure signal can be applied to a computer which generates target position and speed commands to the feedback system. The control circuit may be arranged to hold work load constant (generating a constant compaction force for example) or, in response to a priority signal, the circuit can give a selected weight to both the positional constraints and the work load constraints. Another benefit of altering position-tracking in response to work load is improved coordination of actuators. For example, the gain of feedback and feedforward signals of a position-tracking control system can be increased when a detected load is heavy, increasing response, and attenuated when the load is light.

대표청구항 ▼

[ What is claimed is:] [1.] A control method for controlling a piece of construction equipment that has a position-sensing feedback control system to track respective positions of an actuator that controls positions of an end effector, comprising the steps of:generating a target value for an actual force-load acting on said actuator generated in response to a forcing of said end effector against a working material;detecting said actual force-load acting on said actuator; andmodifying a control signal of said feedback control system responsively to a result of said step of detecting and said target value.

이 특허를 인용한 특허 (33)

Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom and attachment for work vehicle.
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Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom and attachment for work vehicle.
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Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom and attachment for work vehicle.
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Schoenmaker, Dennis Eric; Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom or attachment for work vehicle to a present position.
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Schoenmaker, Dennis Eric; Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom or attachment for work vehicle to a preset position.
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Schoenmaker, Dennis Eric; Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom or attachment for work vehicle to a preset position.
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Schoenmaker, Dennis Eric; Sahlin, Mark Peter; Meredith, Jason; Samuelson, Jerry Anthony; Johnson, David August; Anderson, Eric Richard, Automated control of boom or attachment for work vehicle to a preset position.
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Sharp, Alan; Mattsson, Morgan; Gausnes, Ole Martin; Rowe, Logan; Li, Qiang; Gao, Zhibin; Dong, Jiaguang; Liu, Shaoning, Automated dynamic compaction system.
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Johnson, David August; Sanchez, Julian; Anderson, Eric R.; Sahlin, Mark P., Collaborative vehicle control using both human operator and automated controller input.
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Swanson David C. ; Thomas H. Randolph ; Oloufa Amr A., Compacted material density measurement and compaction tracking system.
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Okamura, Kenji; Ichihara, Masashi, Construction equipment, method for controlling construction equipment, and program for causing computer to execute the method.
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Nicholson, Christian; Farmer, Todd R.; Taggart, Brian F.; Sporer, Mark A.; Korzeniowski, Luka G., Implement angle correction system and associated loader.
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Nicholson, Christian; Farmer, Todd R.; Taggart, Brian F.; Sporer, Mark A.; Korzeniowski, Luka G., Implement angle correction system and associated loader.
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Shatters, Aaron R.; Budde, Steven C.; Reedy, John T.; Stone, Robert E., Lift system implementing velocity-based feedforward control.
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Budde, Steven Conrad; Kumar, Rajeev, Linkage control system with position estimator backup.
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Budde, Steven Conrad; Kumar, Rajeev, Linkage control system with position estimator backup.
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Bitter,Marcus; Beck,Folker, Loading machine.
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Mintah, Brian; Kuehn, Jeffrey Lee; Huang, Qiaoyan, Machine with automatic operating mode determination.
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Verkuilen, Michael Todd; Kuehn, Jeffrey Lee; Mintah, Brian; Yoo, Benjamin, Machine with customized implement control.
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Lombardi Frank J., Method and apparatus for controlling a work implement having multiple degrees of freedom.
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Rocke David J., Method and apparatus for determining a material condition.
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Aebischer, Beat; Braunecker, Bernhard; Greenwood, Kevin; Stegmaier, Peter, Method and apparatus for determining the loading of a bucket.
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Hendron, Scott S.; West, Sean P.; Montgomery, James L.; Anderson, Eric R., Method and system for controlling movement of an end effector on a machine.
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Fleischmann, Steve G.; Mueller, Jason L., Method and system for controlling pump outlet pressure between different operating modes.
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Kajita, Shigeo; Awano, Katsusuke; Tozawa, Shoji; Nishikawa, Hiroyasu; Miki, Masatoshi, Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machine.
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Hendrickson, Larry L.; Anderson, Noel W., Soil compaction reduction system and method.
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Lacher, Jonathan; Freisleben, Michael; Brinkley, Jerry L., System for controlling the supply of hydraulic fluid to a work vehicle implement.
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Shatters, Aaron R.; Budde, Steven C.; Reedy, John T.; Stone, Robert E., System implementing parallel lift for range of angles.
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Nakamura, Satoshi; Egawa, Saku, Trace generation device and working machine.
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Norihisa Takahashi JP, Travel and rotation control device for boom lift.
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Okamura Kenji,JPX ; Yoshinada Hiroshi,JPX ; Yanagi Kunikazu,JPX ; Ohtsukasa Naritoshi,JPX, Working machine control device for construction machinery.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Apparatus and method for controlling a contruction machine 원문보기

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Apparatus and method for controlling a contruction machine 원문보기

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