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    • 84. 发明专利
    • TILT RATE COMPENSATING IMPLEMENT SYSTEM AND METHOD
    • CA2173126A1
    • 1996-04-04
    • CA2173126
    • 1995-09-21
    • CATERPILLAR INC
    • STRATTON KENNETH L
    • E02F3/85E02F3/84E02F9/20
    • A tilt rate compensating implement system and method utilizes first and second sensors for sensing the position of the rod end portion (32, 34) of first and second implement lift jacks (28, 30). A controller calculates a tilt angle of the implement (12) based on a difference in the amount of extension of the lift jacks (28, 30). An inclinometer senses an angle of the frame relative to a predetermined plane and a tilt rate sensor senses the rate of change of the frame angle relative to said plane. A corrected frame angle based on signals from the inclinometer and tilt rate sensors is combined with the implement tilt angle to provide a corrected implement tilt angle. A display device displays the corrected implemented tilt angle. The controller compares the corrected implement tilt angle to the desired implement tilt angle and actuates a fluid operated system to move a tilt jack in response to a difference between the desired and corrected implement tilt angles. The tilt angle control system is particularly suited for use on a bulldozer.
    • 85. 发明专利
    • CONTROL SYSTEM FOR A MACHINE
    • AU2017218993B2
    • 2019-08-29
    • AU2017218993
    • 2017-08-23
    • CATERPILLAR INC
    • FRIEND PAULSTRATTON KENNETH L
    • E02F9/24E02F3/43E02F9/20G05D1/02
    • Abstract CONTROL SYSTEM FOR A MACHINE A system for controlling operation of a first material engaging work implement includes a first machine (15), a second machine (85), and a controller (56). The controller (56) is configured to store a kinematic model and characteristics of the implement system, determine a second machine operation zone (117), with the second machine operation zone being defined by a material movement plan of the second machine (85), and determine a current pose of the first machine (15). The controller (56) is further configured to determine a first machine operation zone (120) based upon the pose of the first machine, the kinematic model and characteristics of the implement system, and the second machine operation zone (117), with the first machine operation zone being spaced from the second machine operation zone, and generate a plurality of command signals to move the first material engaging work implement within the first machine operation zone between first and second positions. 1/8 16-1127 Co C)~ d C)C oLO LO 0) 00