Swing operating machine and method of controlling swing operating machine
First Claim
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1. A rotation type working machine comprising:
- an attachment mounted so as to be able to rotate with respect to a base body;
a rotation mechanism which rotates the attachment;
a control device which controls the rotation mechanism; and
an entering object detection device which detects a position of an entering object entered into a work area,wherein the control device controls a rotation operation of the attachment by the rotation mechanism based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object detected by the entering object detection device, andwherein the control deviceperforms a decision of whether or not probability of contact of the attachment with the entering object is high, based on the first physical amount and the position of the entering object detected by the entering object detection device,performs, in a case where it is decided that the probability of contact is high, first control, andperforms, in a case where it is decided that the probability of contact is low, second control different from the first control.
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Abstract
A rotation type working machine includes: an attachment mounted so as to be able to rotate with respect to a base body; a rotation mechanism which rotates the attachment; a control device which controls the rotation mechanism; and an entering object detection device which detects a position of an entering object entered into a work area, in which the control device controls a rotation operation of the attachment based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object detected by the entering object detection device.
15 Citations
11 Claims
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1. A rotation type working machine comprising:
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an attachment mounted so as to be able to rotate with respect to a base body; a rotation mechanism which rotates the attachment; a control device which controls the rotation mechanism; and an entering object detection device which detects a position of an entering object entered into a work area, wherein the control device controls a rotation operation of the attachment by the rotation mechanism based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object detected by the entering object detection device, and wherein the control device performs a decision of whether or not probability of contact of the attachment with the entering object is high, based on the first physical amount and the position of the entering object detected by the entering object detection device, performs, in a case where it is decided that the probability of contact is high, first control, and performs, in a case where it is decided that the probability of contact is low, second control different from the first control.
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2. A rotation type working machine comprising:
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an attachment mounted so as to be able to rotate with respect to a base body; a rotation mechanism which rotates the attachment; a control device which controls the rotation mechanism; and an entering object detection device which detects a position of an entering object entered into a work area, wherein the control device controls a rotation operation of the attachment based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object detected by the entering object detection device, and wherein the control device stores the relationship between an upper limit of a supervised angle and the first physical amount therein, compares an angular interval which is an angle between a current orientation of the attachment with a rotation center of the attachment as a base point and an orientation of the entering object detected by the entering object detection device with the upper limit of the supervised angle, and stops a rotation of the attachment in a case where the angular interval is smaller than the upper limit of the supervised angle. - View Dependent Claims (3, 4)
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5. A control method for a rotation type working machine comprising:
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detecting a position of an entering object entered into a working range of the rotation type working machine having a rotatable attachment; performing a decision of whether or not probability of contact of the attachment with the entering object is high, based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object; performing, in a case where it is decided that the probability of contact is high, first control; and performing, in a case where it is decided that the probability of contact is low, second control different from the first control.
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6. A control method for a rotation type working machine comprising:
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detecting a position of an entering object entered into a working range of the rotation type working machine having a rotatable attachment; and controlling a rotation operation of the attachment based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, and the position of the entering object, wherein in detecting a position of an entering object, an angle between a current orientation of the attachment with a rotation center as a base point and an orientation of the detected entering object is obtained as an angular interval, and the controlling a rotation operation of the attachment includes determining an upper limit of a supervised angle based on the first physical amount, comparing the angular interval with the upper limit of the supervised angle, and controlling the rotation operation of the attachment based on a comparison result of the angular interval with the upper limit of the supervised angle. - View Dependent Claims (7, 8, 9)
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10. A rotation type working machine comprising:
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an attachment mounted so as to be able to rotate with respect to a base body; a rotation mechanism which rotates the attachment; a control device which controls the rotation mechanism; and an entering object detection device which detects a position of an entering object entered into a work area, wherein the control device calculates a length of the attachment and controls a rotation operation of the attachment based on a calculated length of the attachment related to a moment of inertia of the attachment, and the position of the entering object detected by the entering object detection device.
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11. A rotation type working machine comprising:
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an attachment mounted so as to be able to rotate with respect to a base body; a rotation mechanism which rotates the attachment; a control device which controls the rotation mechanism; and an entering object detection device which detects a position of an entering object entered into a work area and images the entering object, wherein the control device specifies a type of the entering object by analyzing an image data imaged by the entering object detection device, and controls a rotation operation of the attachment based on a first physical amount related to at least one of a current angular velocity of the attachment and a current moment of inertia of the attachment, the position of the entering object detected by the entering object detection device, and the specified type of the entering object.
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Specification