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6997221 |
Reach actuation for energy saving hydraulic knuckle booms
The knuckle boom includes a hoist boom having a proximal end pivoted to a machine base, and a stick boom having a proximal end pivoted to a distal end of the hoist boom. At least one hydraulic...
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6778097 |
Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machine
The present invention relates to remote radio control technology, and a remote radio control system includes a radio movable working machine ( 1 ), a remote control apparatus ( 6 A), and a movable...
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6711838 |
Method and apparatus for determining machine location
A method is provided for determining the location of a work machine at a work site, where the work machine includes a house, a boom connected to the house, a stick connected to the boom, and a work...
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6691010 |
Method for developing an algorithm to efficiently control an autonomous excavating linkage
The present invention is a control system for controlling movement of a work implement from a dig location to a dump location. The work implement has at least four degrees of freedom defined by a...
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6618658 |
Control apparatus for a hydraulic excavator
The control apparatus for a hydraulic excavator according to the present invention comprises: an operating amount sensor for detecting operating amounts of operating levers; a characteristic amount...
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6364028 |
Control and method for positioning a tool of a construction apparatus
A control system for establishing grade and elevation control for a tool of a construction apparatus for maintaining the vertical position of the tool relative to a reference includes a first...
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6356829 |
Unified control of a work implement
A control system for a backhoe apparatus is disclosed. Backhoe apparatus control system includes a kinematic optimal control including the augmentation of additional tasks that can be formulated...
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6202013 |
Articulated boom monitoring system
A monitoring system is provided for monitoring positioning and stability of an articulated boom system The articulated boom system includes an articulated boom, having one or more boom sections,...
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6152238 |
Control and method for positioning a tool of a construction apparatus
A control system for establishing grade and elevation control for a tool of a construction apparatus for maintaining the vertical position of the tool relative to a reference includes a first...
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EP1020569A2 |
Control apparatus for a hydraulic excavator
The control apparatus for a hydraulic excavator according to the present invention comprises: an operating amount sensor (1 or(21a,20a,23a,24a,22a,25a)) for detecting operating amounts of operating...
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6052636 |
Apparatus and method for positioning an excavator housing
An apparatus and method for rotatably positioning a machine housing is disclosed. A pump produces pressurized fluid to a motor that responsively rotates the machine housing. A control valve...
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5994865 |
Apparatus and method for control of an earth moving implement
An earth moving or construction equipment implement control system is disclosed. The control system includes a fuzzy logic controller that is connected to an electro-hydraulic valve. An implement...
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5987371 |
Apparatus and method for determining the position of a point on a work implement attached to and movable relative to a mobile machine
An apparatus and method determines the position of a point on a work implement attached to and movable relative to a mobile machine. The apparatus includes a site coordinate system position sensor...
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5953838 |
Control for hydraulically operated construction machine having multiple tandem articulated members
An apparatus and method for controlling a hydraulically operated construction machine having a plurality of tandem articulated members which move in a particular pattern, wherein movement of one of...
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5908458 |
Automated system and method for control of movement using parameterized scripts
Robotic machines, such as mobile manipulators, are controlled by a relatively high-level script while changes in the environment are accommodated by including parameters in the script. Sensors,...
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