发明名称 |
Blade control system, construction machine and blade control method |
摘要 |
A blade control system includes a first open ratio setting part for setting a first open ratio of a proportional control valve based on a difference angle between a blade angle and a slope angle; a second open ratio setting part for setting a second open ratio of the proportional control valve based on a difference load between a blade load and a target blade load; and a lift controlling part for controlling the proportional control valve in accordance with the second open ratio when the blade load is out of a predetermined load range and for controlling the proportional control valve in accordance with the first open ratio when the blade load is within the predetermined load range.
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申请公布号 |
US8548691(B2) |
申请公布日期 |
2013.10.01 |
申请号 |
US201113267046 |
申请日期 |
2011.10.06 |
申请人 |
HAYASHI KAZUHIKO;SHIMADA KENJIRO;OKAMOTO KENJI;KOMATSU LTD. |
发明人 |
HAYASHI KAZUHIKO;SHIMADA KENJIRO;OKAMOTO KENJI |
分类号 |
E02F3/76;G06F7/70 |
主分类号 |
E02F3/76 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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