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Title:
建設機械の自動レベリング制御システムとその制御方法
Document Type and Number:
Japanese Patent JP4764467
Kind Code:
B2
Abstract:
A system and method for controlling automatic leveling heavy equipment is provided. The system for controlling automatic leveling of heavy equipment with a lower frame and an upper frame, the lower frame having traveling means, and the upper frame tiltably and swingably connected to the lower frame, comprises a sensor unit, provided in the equipment, including an inclination detecting sensor for measuring twist angles of the lower frame and the upper frame against a reference horizontal surface, a traveling detection sensor for measuring a traveling speed of the equipment and a working device sensor for detecting working state information of a working device; a control unit for receiving the twist angles, the traveling speed, and the working state information, calculating a corrected angle at which the upper frame is to be tilted against the lower frame, and generating a control signal for instructing an operation of an actuator; and a driving unit for performing a leveling control through the actuator in accordance with the received control signal.

Inventors:
Jin Sop Kim
Chan Suri
In Woo Kim
Application Number:
JP2008249722A
Publication Date:
September 07, 2011
Filing Date:
September 29, 2008
Export Citation:
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Assignee:
Volvo Construction Equipment Arbor
International Classes:
E02F3/32; E02F9/22
Domestic Patent References:
JP2002227246A
JP3079367U
JP61191729A
JP7216930A
JP2001348914A
JP10247054A
JP8051847A
JP61015604A
Attorney, Agent or Firm:
Kazuo Shigenobu
Hideo Shimizu
Yuichi Takagi
Yoshinao Nakano
Hideki Akiba