WO2016147592A1 - ロボット、ロボットの制御方法、ワークの取付方法及びワークの搬送方法 - Google Patents
ロボット、ロボットの制御方法、ワークの取付方法及びワークの搬送方法 Download PDFInfo
- Publication number
- WO2016147592A1 WO2016147592A1 PCT/JP2016/001209 JP2016001209W WO2016147592A1 WO 2016147592 A1 WO2016147592 A1 WO 2016147592A1 JP 2016001209 W JP2016001209 W JP 2016001209W WO 2016147592 A1 WO2016147592 A1 WO 2016147592A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hand
- floating unit
- robot
- control unit
- unit
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1679—Programme controls characterised by the tasks executed
- B25J9/1687—Assembly, peg and hole, palletising, straight line, weaving pattern movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
- B25J17/02—Wrist joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
- B25J17/02—Wrist joints
- B25J17/0208—Compliance devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/0008—Balancing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/0096—Programme-controlled manipulators co-operating with a working support, e.g. work-table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
- B25J9/04—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical coordinate type or polar coordinate type
- B25J9/041—Cylindrical coordinate type
- B25J9/042—Cylindrical coordinate type comprising an articulated arm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/106—Programme-controlled manipulators characterised by positioning means for manipulator elements with articulated links
- B25J9/1065—Programme-controlled manipulators characterised by positioning means for manipulator elements with articulated links with parallelograms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1656—Programme controls characterised by programming, planning systems for manipulators
- B25J9/1664—Programme controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40111—For assembly
Definitions
- the present invention relates to a robot, a robot control method, a workpiece attachment method, and a workpiece transfer method.
- Patent Document 1 a work assistance system that assists work on a production line in a factory is known (for example, see Patent Document 1).
- This work assistance system detects industrial robots that have a holding part that holds parts, motion capture that measures and transmits work movements by the worker's hand over time, and pressure applied to the operator's fingertips.
- a control part controls an industrial robot by the operation
- Patent Document 1 has a problem that it is necessary for an operator to go to the place where the parts are placed.
- a robot includes a hand that holds a workpiece, a joint that is attached to the distal end, and operates within a predetermined operation range, and the distal end is based on the base.
- a floating unit that can move relative to the end, a robot arm that moves the hand and the floating unit, and a robot that controls the operation of the robot arm, with the tip attached to the base end of the floating unit
- a control unit including an arm control unit, and the robot arm control unit is configured to move the hand and the floating unit so that the hand is positioned at a temporary target position.
- the tip of the floating unit located at the temporary target position is moved relative to the base end.
- the hand Since the operator can move the hand from the temporary target position to the target position by operating the floating unit, the hand can be positioned at the target position even when the target position varies.
- the floating unit may have a plurality of joints that operate within a predetermined operating range, and the distal end portion may be movable with two or more degrees of freedom relative to the proximal end portion.
- the operator manually moves the hand located at the temporary target position in the direction of at least one degree of freedom to search for the target position, and the operator manually moves the hand in the direction of the other degree of freedom.
- the hand can be positioned at the target position after fine adjustment of the position of the hand requiring the experience and sense of the operator.
- control unit includes a fixing mechanism control unit that controls the operation of the fixing mechanism, and the fixing mechanism The control unit may operate the fixing mechanism when the robot arm control unit moves the hand and the floating unit so that the hand is positioned at the temporary target position.
- This configuration can prevent the tip of the floating unit from moving during the movement of the floating unit by the robot arm.
- the fixing mechanism may move the tip of the floating unit so that the floating unit takes a predetermined posture by its operation, and maintain the predetermined posture.
- the hand can be accurately positioned.
- the floating unit includes a limit position arrival detection unit that detects that the joint has reached a limit position of a predetermined section within the predetermined operation range, and the fixing mechanism control unit includes the robot arm control unit After the hand is positioned at the temporary target position, the fixing mechanism is released, and the robot arm control unit detects that the limit position arrival detection unit is in a limit position of the movable range when the fixing mechanism is released. When it is detected that it has reached, the base end of the floating unit may be moved a predetermined distance in the moving direction of the tip of the floating unit.
- the tip of the floating unit can be moved outside the movement range of the tip of the floating unit when the hand is moved so as to be positioned at the temporary target position.
- the workpiece may be a part attached to a product, and the target position may be a position where the part is located in a state where the part is attached to the product.
- the robot can be applied to a production line for assembling products.
- the joint of the floating unit has a degree of freedom in the direction of gravity, and the floating unit may include a balancer that generates a force in the direction opposite to the force generated in the joint by gravity. Good.
- the hand and the work held by the hand can be easily raised and lowered.
- a robot control method includes a hand that holds a workpiece, a joint that is attached to a distal end, and operates within a predetermined operation range, A floating unit whose part is movable relative to the base end part, a tip part attached to the base end part of the floating unit, a robot arm that moves the hand and the floating unit, and an operation of the robot arm.
- a control unit including a robot arm control unit for controlling the robot arm, and the robot arm control unit is configured to move the hand and the floating unit so that the hand is positioned at a temporary target position. The position of the floating unit positioned at the temporary target position is relative to the base end. By moving the manner, and is configured to be a position which can move the hand to the target position.
- the hand Since the operator can move the hand from the temporary target position to the target position by operating the floating unit, the hand can be positioned at the target position even when the target position varies.
- the floating unit may have a plurality of joints that operate within a predetermined operating range, and the distal end portion may be movable with two or more degrees of freedom relative to the proximal end portion.
- the operator manually moves the hand located at the temporary target position in the direction of at least one degree of freedom to search for the target position, and the operator manually moves the hand in the direction of the other degree of freedom.
- the hand can be positioned at the target position after fine adjustment of the position of the hand requiring the experience and sense of the operator.
- control unit includes a fixing mechanism control unit that controls the operation of the fixing mechanism, and the fixing mechanism The control unit may operate the fixing mechanism when the robot arm control unit moves the hand and the floating unit so that the hand is positioned at the temporary target position.
- This configuration can prevent the tip of the floating unit from moving during the movement of the floating unit by the robot arm.
- the fixing mechanism may move the tip of the floating unit so that the floating unit takes a predetermined posture by its operation, and maintain the predetermined posture.
- the hand can be accurately positioned.
- the floating unit includes a limit position arrival detection unit that detects that the joint has reached a limit position of a predetermined section within the predetermined operation range, and the fixing mechanism control unit includes the robot arm control unit After the hand is positioned at the temporary target position, the fixing mechanism is released, and the robot arm control unit detects that the limit position arrival detection unit is in a limit position of the movable range when the fixing mechanism is released. When it is detected that it has reached, the base end of the floating unit may be moved a predetermined distance in the moving direction of the tip of the floating unit.
- the tip of the floating unit can be moved outside the movement range of the tip of the floating unit when the hand is moved so as to be positioned at the temporary target position.
- the workpiece may be a part attached to a product, and the target position may be a position where the part is located in a state where the part is attached to the product.
- the robot can be applied to a production line for assembling products.
- the joint of the floating unit has a degree of freedom in the direction of gravity, and the floating unit may include a balancer that generates a force in the direction opposite to the force generated in the joint by gravity. Good.
- the hand and the work held by the hand can be easily raised and lowered.
- a workpiece mounting method is a workpiece mounting method using a robot, and the robot includes a hand that holds the workpiece, a tip, The hand is attached to the part, has a joint that operates within a predetermined operating range, the tip part is movable relative to the base end part, and the tip part is attached to the base end part of the floating unit
- a robot arm that moves the hand and the floating unit
- a control unit that includes a robot arm control unit that controls the robot arm, and the robot arm control unit positions the hand at a temporary target position.
- the hand and the floating unit are moved so that the operator can move the tip of the floating unit.
- the hand Since the operator can move the hand from the temporary target position to the target position by operating the floating unit, the hand can be positioned at the target position even when the target position varies.
- a workpiece transfer method is a workpiece transfer method in a predetermined position using a robot, wherein the robot includes a hand holding the workpiece, a tip, The hand is attached to the part, has a joint that operates within a predetermined operating range, the tip part is movable relative to the base end part, and the tip part is attached to the base end part of the floating unit
- a robot arm that moves the hand and the floating unit
- a control unit that includes a robot arm control unit that controls the robot arm, and the robot arm control unit positions the hand at a temporary target position. Move the hand and the floating unit so that the operator can move the tip of the floating unit.
- the hand located at the temporary target position is moved to the predetermined position to hold the work on the hand, and the robot arm control unit is And the floating unit is moved to convey the work held by the hand.
- the hand Since the operator can move the hand from the temporary target position to the target position by operating the floating unit, the hand can be positioned at the target position even when the target position varies.
- the present invention has an effect that the work burden on the operator can be reduced and the hand can be positioned at the target position even when the target position varies.
- FIG. 2 is a block diagram schematically showing a configuration example of a control system of the robot of FIG. 1.
- 3 is a flowchart illustrating an operation example of the robot of FIG. 1. It is a figure which shows the operation example of the robot of FIG. It is a figure which shows the operation example of the robot of FIG. It is a figure which shows the operation example of the robot of FIG. It is a figure which shows the operation example of the robot of FIG. It is a figure which shows the operation example of the robot of FIG.
- the work of transporting the heavy parts placed in the parts storage area to the product on the production line and attaching the heavy parts to the product has been conventionally performed in the following procedure, for example.
- the operator places the lifter in the parts storage area, and then connects heavy parts placed in the parts storage area to the lifter. Then, the operator operates the lifter to carry heavy parts from the parts storage to the side of the product on the production line. Next, the parts are fitted into the product and attached.
- the worker grasps and swings the parts supported by the lifter, searches for the fitting position of the parts, and finely adjusts the position of the parts with respect to the product. In some cases, parts were attached to the product. Such work is difficult to perform with a conventional robot because the experience and sense of the worker influence the work quality.
- the present inventors have a hand that holds a workpiece and a joint that is attached to the distal end portion and operates within a predetermined operation range, and the distal end portion can move relative to the proximal end portion.
- the robot arm control unit is configured to move the hand and the floating unit so that the hand is positioned at the temporary target position, and the temporary target position is the floating position positioned at the temporary target position.
- the hand is moved to the target position by moving the tip of the unit relative to the base end. Is a position which can be moved into, and conceived the robot.
- the hand can be positioned at the temporary target position in the vicinity of the target position by the robot alone, the work load on the operator can be reduced.
- the hand Since the operator can move the hand from the temporary target position to the target position by operating the floating unit, the hand can be positioned at the target position even when the target position varies.
- FIG. 1 is a diagram illustrating a configuration example of a robot 100 according to Embodiment 1 of the present invention.
- the robot 100 is installed, for example, in a work place where a part C (work) is attached to a product T, for example, a production line. That is, the part C is a member attached to the product T (attachment target).
- a pre-attachment work place Pa and an attachment work place Pb are set (arranged) in an operation region of the hand 1 described later of the robot 100.
- the pre-attachment work place Pa is a place for temporarily storing the part C attached to the product T.
- the part C is accurately placed at a predetermined position by being held on a shelf (not shown), and the position of the part C held on the shelf is determined in advance by a control unit of the controller 6 described later. 60.
- the attachment work place Pb is a place where the attachment work of the part C to the product T is performed.
- a product T is placed in the installation work place Pb.
- the position where the hand 1 and the part C held by the hand 1 are located in the state where the part C is attached to the product T placed in the attachment work place Pb constitutes the target position P2 (see FIG. 7E).
- the component C held by the hand 1 is moved by moving the distal end portion 2a (hand mounting portion 21 described later) of the floating unit 2 relative to the base end portion 2b (robot arm mounting portion 26 described later).
- the temporary target position P1 (see FIG. 7B) is set at a position where the part C can be moved to the target position P2, which is the conveyance destination.
- the temporary target position P1 is set in the vicinity of the target position P2, and by moving the distal end portion 2a of the floating unit 2 located at the temporary target position P1 relative to the base end portion 2b, the hand 1 (and The part C) held thereby is set to a position where it can be moved to the target position P2.
- the robot 100 includes a hand 1 that holds a workpiece, a floating unit 2, a robot body 3, and a controller 6 (see FIG. 5).
- the hand 1 is configured to be able to perform a holding operation for holding the component C and an opening operation for releasing the held article, and is attached to the distal end portion 2 a of the floating unit 2.
- the hand 1 is a device that holds the component C by suction, and has a suction holding mechanism (not shown) that holds the component C by suction and releases the suction holding of the component C by its release.
- the hand 1 is gripped by an operator and has a handle 11 (see FIG. 2) for moving the hand 1, a first hand control unit 12 (see FIG. 5), and a hand operation unit 13 (see FIGS. 2 and 2). 5).
- the first hand control unit 12 controls the hand 1 and operates the hand 1 so that the hand 1 performs a holding operation for holding the component C and a releasing operation for releasing the component C.
- the hand operation unit 13 is configured to be able to input a component C holding command and a component C release command to the first hand control unit 12.
- the robot body 3 is, for example, an articulated industrial robot, but is not limited thereto.
- the robot body 3 has a robot base 31 and a robot arm 32.
- the robot base 31 is a table placed in a state where it is not fixed to a placement surface such as a floor surface of a production line, and supports the robot arm 32, the floating unit 2, and the hand 1.
- the robot arm 32 moves the floating unit 2 and the hand 1.
- the robot arm 32 includes, for example, a plurality of joints, and a base end portion 32 a is rotatably connected to the robot base portion 31.
- the distal end portion 32 b of the robot arm 32 is attached to the base end portion 2 b (robot arm attachment portion 26 described later) of the floating unit 2.
- the robot arm 32 includes a robot arm drive unit (not shown) that drives a plurality of joint axes.
- FIG. 2 is a perspective view illustrating a configuration example of the floating unit 2.
- FIG. 3 is a diagram schematically illustrating a configuration example of the floating unit 2.
- the floating unit 2 has a hand 1 attached to the distal end portion, has a joint that operates within a predetermined operating range, and the distal end portion can move relative to the proximal end portion. It is configured.
- the floating unit 2 has a plurality of joints that operate within a predetermined operating range, and the distal end portion 2a is relatively free of two or more relative to the proximal end portion 2b. It can move in degrees.
- the floating unit 2 includes, for example, a hand attachment portion 21, a first joint portion 22, a second joint portion 23, a third joint portion 24, a fourth joint portion 25, a robot arm attachment portion 26, These have first to fifth connecting pieces 41, 42, 43, 44, 45 that are connected from the hand 1 to the robot arm 32 so as to be connected in a row in the above order.
- the floating unit 2 has a fixing mechanism 27.
- the hand attachment portion 21 is a portion to which the hand 1 is attached.
- the 1st joint part 22 has connected the 1st connection piece 41 and the 2nd connection piece 42 so that the 1st connection piece 41 and the 2nd connection piece 42 can be rotated around the axis line extended in the 1st direction D1.
- the first direction D1 is, for example, the vertical direction.
- the first connecting piece 41 is configured to be rotatable with respect to the second connecting piece 42 within a predetermined operating range R1 with respect to the second connecting piece 42. That is, the first connection piece 41 and the second connection piece 42 are connected by the first joint portion 22 having a degree of freedom around the axis extending in the first direction D1.
- the second joint portion 23 connects the second connection piece 42 and the third connection piece 43 so that the second connection piece 42 can translate in the second direction D2 intersecting the first direction D1 with respect to the third connection piece 43.
- the second direction D2 is, for example, a direction orthogonal to the first direction D1, that is, a horizontal direction.
- the second connecting piece 42 is configured to be translatable with respect to the third connecting piece 43 within a predetermined operating range R ⁇ b> 2 with respect to the third connecting piece 43. That is, the 2nd connection piece 42 and the 3rd connection piece 43 are connected by the 2nd joint part 23 which has a freedom degree in the 2nd direction D2.
- 3rd joint part 24 has connected the 3rd connection piece 43 and the 4th connection piece 44 so that rocking of the 3rd connection piece 43 to the 4th connection piece 44 in the 1st direction D1 is possible.
- the third connecting piece 43 is configured to be swingable with respect to the fourth connecting piece 44 within a predetermined operating range R3 with respect to the fourth connecting piece 44. That is, the 3rd connection piece 43 and the 4th connection piece 44 are connected by the 3rd joint part 24 which has a freedom degree in the 1st direction D1 (gravity direction).
- the third joint portion 24 has a parallel link structure, and connects the pair of swing links 24a extending in parallel with each other and one end of the pair of swing links 24a.
- the connecting portion 24b and the other end of the pair of swing links 24a are connected to each other, and a proximal end side connecting portion 24c extending in parallel with the distal end side connecting portion 24b is provided.
- the other of the oscillating link 24a and the base end side connecting portion 24c both extend in the third direction D3 (the out-of-plane direction in FIG. 3, see FIG. 2) intersecting the first direction D1 and the second direction D2.
- the first to fourth joints 24f, 24g, 24h, 24i are connected to each other so as to be rotatable around each other. Therefore, when the distal end portion of the third joint portion 24 is swung, the distal end side connecting portion 24b and the proximal end side connecting portion 24c are always swung while maintaining the distance and the posture thereof. .
- connection piece 43 is connected with the front end side connection part 24b, and the 4th connection piece 44 is connected with the base end side connection part 24c. Therefore, by swinging the third joint portion 24, the hand 1, the hand attachment portion 21, the first connection piece 41, the first joint portion 22, and the second connection connected to the distal end portion of the third joint portion 24.
- the piece 42, the second joint portion 23, and the third connection piece 43 are connected to the base end portion of the third joint portion 24, the fourth connection piece 44, the fourth joint portion 25, the fifth connection piece 45, and
- the robot arm mounting portion 26 can be moved up and down relatively.
- the balancer mechanism 29 causes the third joint portion 24 to generate a force in a direction opposite to the force generated in the third joint portion 24 due to gravity.
- the balancer mechanism 29 is, for example, a member or the like connected to the distal end portion of the third joint portion 24 (for example, the component C, the hand 1, the hand mounting portion 21, the first connection piece 41, the first joint portion 22, the second Torque against the torque generated in the third joint portion 24 is generated by gravity acting on the connecting piece 42, the second joint portion 23, and the third connecting piece 43). Therefore, the operator can easily raise and lower the component C relative to the tip end portion 32 b of the robot arm 32.
- the fourth joint portion 25 connects the fourth connecting piece 44 and the fifth connecting piece 45 so that the fourth connecting piece 44 and the fifth connecting piece 45 can be rotated around an axis extending in the first direction D1.
- the fourth connecting piece 44 is configured to be rotatable with respect to the fifth connecting piece 45 within a predetermined operating range R4 with respect to the fifth connecting piece 45. That is, the fourth connecting piece 44 and the fifth connecting piece 45 are connected by the fourth joint portion 25 having a degree of freedom around the axis extending in the first direction D1.
- the robot arm attachment portion 26 is a portion to which the tip end portion 32b of the robot arm 32 is attached.
- both the first joint part 22 and the fourth joint part 25 have a degree of freedom around the axis extending in the first direction D1
- the floating unit 2 has the first direction D1 and the second direction D2.
- the distal end portion 2a of the floating unit 2 can be moved more smoothly in the second direction D2 relative to the base end portion 2b. .
- the third joint portion 24 has a degree of freedom in the first direction D1 (gravity direction)
- the distal end portion 2a of the floating unit 2 is moved up and down relative to the base end portion 2b in the first direction D1. Can do.
- FIG. 4 is a diagram schematically illustrating a configuration example of the fixing mechanism 27.
- the fixing mechanism 27 is a mechanism that regulates the operation of the joint of the floating unit 2 by its operation and allows the operation of the joint of the floating unit 2 by releasing it. That is, the fixing mechanism 27 regulates the operations of the first to fourth joint portions 22, 23, 24, and 25 of the floating unit 2 by the operation thereof, and the distal end portion 2a of the floating unit 2 is fixed to the proximal end portion 2b. To move relatively. Then, the fixing mechanism 27 restricts the respective operations of the first to fourth joint portions 22, 23, 24, and 25 of the floating unit 2 by the release thereof, and the distal end portion 2a of the floating unit 2 is changed to the proximal end portion 2b. Is allowed to move relative to.
- the fixing mechanism 27 is a mechanism that moves the distal end portion 2a of the floating unit 2 relative to the base end portion so that the floating unit 2 takes a predetermined posture by its operation and maintains the predetermined posture. It is. Accordingly, since the positional relationship between the tip 32b of the robot arm 32 and the hand 1 is fixed to a predetermined positional relationship when the fixing mechanism 27 is activated, the robot arm control unit 63 specifies the position of the hand 1. be able to. Then, the temporary target position P1 releases the fixing mechanism 27 of the floating unit 2 located at the temporary target position P1 in the state in which the fixing mechanism 27 is operated, and the distal end portion 2a of the floating unit 2 is relative to the proximal end portion 2b. The hand is set to a position where the hand can be moved to the target position.
- the fixing mechanism 27 includes first to fourth fixing portions 71 to 74 (the first fixing portion 71 and the fourth fixing portion corresponding to the first to fourth joint portions 22, 23, 24, 25).
- the unit 74 includes a configuration shown in FIG. Then, the first to fourth fixing portions 71 to 74 each regulate the operation after the corresponding joint is positioned at a predetermined position within a predetermined operation range by the operation, and the corresponding joint by the release. Allow operation.
- the first fixing portion 71 has a base end attached to the first connecting piece 41 and extends in a direction orthogonal to the extending direction of the rotation axis of the first joint portion 22.
- an arm clamping portion 77 attached to the second connecting piece 42 and configured to be openable and closable. Therefore, the arm 76 swings by rotating the first joint portion 22.
- the arm clamping portion 77 is configured to clamp the distal end portion of the arm 76 by closing and to restrict the swinging of the arm 76.
- the operation of the first connecting piece 41 is restricted with respect to the second connecting piece 42 after being positioned at a predetermined position within the predetermined operation range R1.
- the second connecting piece 42 is fixed to a predetermined position within a predetermined operating range R2 with respect to the third connecting piece 43.
- fixed part 72 is equipped with the air cylinder mechanism 78 which can translate a piston rod relatively with respect to a cylinder by the action
- the piston rod of the air cylinder mechanism 78 is moved, and the 2nd connection piece 42 is the 1st direction D1 with respect to the 3rd connection piece 43. It is translated to one side and positioned at one limit position of the operating range R2, and is urged in the direction from the other limit position toward one limit position.
- the second connecting piece 42 is regulated at the predetermined position within the predetermined operating range R ⁇ b> 2 with respect to the third connecting piece 43 and its operation is restricted.
- the operation of the third fixing portion 73 restricts the operation of the third connecting piece 43 with respect to the fourth connecting piece 44 after being positioned at a predetermined position within the predetermined operating range R3. Since the structure of the 3rd fixing
- the fourth connection piece 44 is regulated by the operation at a predetermined position within the predetermined operation range R4 with respect to the fifth connection piece 45. Since the structure of the 4th fixing
- FIG. 5 is a block diagram schematically showing a configuration example of the control system of the robot 100.
- the controller 6 of the robot 100 includes a control unit 60 and a storage unit 61, and includes, for example, a microcontroller, a CPU, an MPU, a logic circuit, a PLC, and the like.
- the controller may be composed of a single controller that performs centralized control, or may be composed of a plurality of controllers that perform distributed control.
- the storage unit 61 has a memory such as a ROM or a RAM.
- a memory such as a ROM or a RAM.
- information for specifying the position of the part C placed on the pre-installation work place Pa, information for specifying the temporary target position P1, and the tip of the robot arm 32 and the hand 1 by the fixing mechanism 27 are stored. Is stored for identifying the position of the hand 1 in a state where the positional relationship is fixed to a predetermined positional relationship.
- the control unit 60 includes a fixing mechanism control unit 62, a robot arm control unit 63, and a second hand control unit 64.
- the fixing mechanism control unit 62, the robot arm control unit 63, and the second hand control unit 64 are functional blocks that are realized when the arithmetic unit executes a predetermined control program stored in the storage unit 61.
- the robot arm control unit 63 controls the robot arm 32.
- the second hand control unit 64 controls the operation of the hand 1 and operates the hand 1 so that the hand 1 performs a holding operation and an opening operation.
- the second hand control unit 64 may control the hand 1 via the first hand control unit 12.
- the fixing mechanism control unit 62 controls the fixing mechanism 27.
- FIG. 6 is a flowchart showing an operation example of the robot 100.
- 7A to 7E are diagrams showing an example of the operation of the robot 100.
- FIG. 6 is a flowchart showing an operation example of the robot 100.
- the fixing mechanism control unit 62 operates the fixing mechanism 27, restricts the distal end portion 2 a of the floating unit 2 from moving relative to the base end portion 2 b, and is connected to the robot via the floating unit 2.
- the positional relationship between the tip of the arm 32 and the hand 1 is fixed to a predetermined positional relationship (step S10).
- the robot arm control unit 63 controls the robot arm 32 to specify the position of the part C placed in the pre-installation work place Pa stored in the storage unit 61. Based on the information, the hand 1 is positioned at a position where the part C placed on the pre-attachment work place Pa is located (step S20).
- the second hand control unit 64 controls the hand 1 and holds the component C with the hand 1 (step S30).
- the robot arm control unit 63 controls the robot arm 32, and the hand 1 moves the temporary target based on the information for specifying the temporary target position P1 stored in the storage unit 61.
- the hand 1 and the floating unit 2 are moved so as to be located at the position P1 (step S40).
- the temporary target position P1 moves the hand 1 to the target position P2 by moving the distal end portion 2a of the floating unit 2 located at the temporary target position P1 relative to the base end portion 2b.
- the part C can be transported from the pre-attachment work place Pa to the temporary target position P1 set in the vicinity of the target position P2 by the robot 100, the work load on the operator can be reduced. , Work efficiency can be improved.
- step S10 the fixing mechanism 27 is operated, and when the robot arm control unit 63 moves the hand 1 and the floating unit 2 so that the hand 1 is positioned at the temporary target position P1, the fixing mechanism 27 is operated. Since each operation
- FIG. since the positional relationship between the tip of the robot arm 32 connected via the floating unit 2 and the hand 1 is fixed at a predetermined positional relationship, the hand 1 and the component C held by the hand 1 are accurately provisional targets. It can be located at position P1. Furthermore, it is possible to prevent the robot 100 from contacting the product T, for example.
- the fixing mechanism control unit 62 releases the fixing mechanism 27 (step S50).
- the distal end portion 2a of the floating unit 2 is allowed to move relative to the proximal end portion 2b, and the operator grips the handle 11 and manually moves the component C held by the hand 1. Make it possible.
- the operator grasps the handle 11 and moves the tip 1 a of the hand 1 and the floating unit 2 to move the component C held by the hand 1.
- the target position P2 is searched for (step S60).
- the part C is moved in the second direction D2 to align the position of the part C and the target position P2 in the second direction D2, and subsequently, as shown in FIG. 7C, The part C is moved in the first direction D1 so that the position (height position) of the part C and the target position P2 in the first direction D1 is adjusted. Further, as shown in FIG. This is performed by shaking the part C while pressing it against the target position P2 in the vicinity of the target position P2.
- the part C can be fitted into the target position P2, and the hand 1 and the part C held by the part 1 can be located at the target position P2.
- the floating unit 2 has a degree of freedom, it is possible to search the target position P2 while shaking the part C against the target position P2 in the vicinity of the target position P2. Work efficiency can be improved. Further, even if the target position P2 has a variation, the hand can be positioned at the target position P2.
- step S70 the operator fits the part C into the product T, and positions the hand 1 and the part C held by the part 1 at the target position P2 (step S70).
- step S60 when the hand 1 and the part C held by the hand 1 are already positioned at the target position P2, step S70 can be omitted.
- the part C can be attached to the product T.
- the operator When the part C is attached to the product T, the operator operates the hand operation unit 13 to input a release command for the part C, and the first hand control unit 12 controls the hand 1 based on the release command. Then, part C is released.
- the robot 100 of the present invention positions the hand 1 and the component C held by the robot 100 alone at the temporary target position P1 set in the vicinity of the target position P2 from the pre-installation work place Pa. Therefore, the work load on the operator can be reduced.
- the hand 1 Since the operator can move the hand 1 from the temporary target position P1 to the target position P2 by operating the floating unit 2, the hand 1 is moved to the target position P2 even when the target position P2 varies. Can be positioned.
- the floating unit 2 having the base end portion 32a attached to the tip end portion 32b of the robot arm 32 has a plurality of joints, and the tip end portion moves in a moving range having two or more degrees of freedom relative to the base end portion. Since it is possible, the operator manually moves the part C held by the hand 1 in the direction of at least one degree of freedom to find the target position P2 to which the part C is attached, and in the direction of the other degree of freedom. An operator can manually move the hand 1 and the part C held by the hand 1 to the target position P2 to attach the part C to the product T. Therefore, the part C can be attached to the product T after fine adjustment of the position of the part C with respect to the product T that requires the experience and sense of the worker. In addition, since a sensor for detecting the delicate work operation of the worker is not required, the configuration of the system in which the robot and the worker work in cooperation can be simplified, which is advantageous for manufacturing and has a low manufacturing cost. It will be cheap.
- FIG. 8 is a perspective view showing a configuration example of the floating unit 202 of the robot 200 according to Embodiment 2 of the present invention.
- FIG. 9 is a diagram schematically illustrating a configuration example of the floating unit 202.
- the floating unit 202 has a limit position arrival detection unit 28 (see FIG. 10).
- the limit position arrival detection unit 28 detects that the joint of the floating unit 202 has reached the limit position of a predetermined section within a predetermined operation range.
- the limit position arrival detection unit 28 includes first to fourth detection units 81 corresponding to the first to fourth joint units 22, 23, 24, and 25, respectively. , 82, 83, 84.
- the first detector 81 includes a pair of spring sensors 81 a attached to the second connecting piece 42 and a contact 81 b attached to the first connecting piece 41.
- One of the pair of spring sensors 81a is configured to come into contact with the contact 81b when the first connecting piece 41 is located at one limit position of the operation range R1
- the other of the pair of spring sensors 81a is
- the first connecting piece 41 is configured to come into contact with the contact 81b by being positioned at the other limit position of the operating range R1. Then, when any one of the spring sensors 81a and the contact 81b contact, the first detection unit 81 has reached the limit position corresponding to the spring sensor 81a where the first joint unit 22 has detected contact. Detect.
- the second detector 82 includes a pair of spring sensors 82 a attached to the third connecting piece 43 and a pair of contacts 82 b attached to the second connecting piece 42.
- One of the pair of spring sensors 82a is configured to come into contact with one of the pair of contacts 82b when the second connecting piece 42 is positioned at one limit position of the operating range R2, and the pair of spring sensors 82a.
- the other of 82a is comprised so that the 2nd connection piece 42 may be in the other limit position of operation range R2, and may contact the other of a pair of contact 82b. Then, when any one of the spring sensors 82a and the contact 82b come into contact, the second detection unit 82 indicates that the second joint unit 23 has reached the limit position corresponding to the spring sensor 82a that has detected contact. Detect.
- the third detection unit 83 includes a pair of spring sensors 83 a attached to the fourth connection piece 44 and a contact 83 b attached to the third connection piece 43.
- One of the pair of spring sensors 83a is configured to come into contact with the contact 83b when the third connecting piece 43 is positioned at one limit position of the operating range R3, and the other of the pair of spring sensors 83a is
- the third connecting piece 43 is configured to come into contact with the contact 83b by being positioned at the other limit position of the operating range R3. Then, when any one of the spring sensors 83a and the contactor 83b come into contact with each other, the third detection unit 83 indicates that the third joint unit 24 has reached the limit position corresponding to the spring sensor 83a that has detected contact. Detect.
- the fourth detection unit 84 includes a pair of spring sensors 84 a attached to the fifth connection piece 45 and a contact 84 b attached to the fourth connection piece 44.
- One of the pair of spring sensors 84a is configured to come into contact with the contact 84b when the fourth connecting piece 44 is positioned at one limit position of the operation range R4, and the other of the pair of spring sensors 84a is The fourth connecting piece 44 is configured to come into contact with the contact 84b by being located at the other limit position of the operation range R4. Then, when any one of the spring sensors 84a and the contact 84b come into contact with each other, the fourth detection unit 84 confirms that the fourth joint unit 25 has reached the limit position corresponding to the spring sensor 84a that has detected contact. Detect.
- each spring sensor is provided at the limit position of the operation ranges R1 to R4.
- each spring sensor may be provided inside the limit position of the operation ranges R1 to R4.
- FIG. 10 is a diagram schematically showing a configuration example of the control system of the robot 200. As shown in FIG. 10
- the detection signals output from the limit position arrival detection unit 28 (first to fourth detection units 81, 82, 83, 84) are input to the control unit 60.
- FIG. 11 is a flowchart showing an operation example of the robot 200.
- FIG. 12 is a diagram illustrating an operation example of the robot 200.
- step S60 of the first embodiment due to an error in the position of the product T installed in the attachment work place Pb in the state where the fixing mechanism 27 is released after the part C is positioned at the temporary target position P1.
- the robot 200 performs an operation for adjusting the position of the floating unit 202 as follows.
- step S60 of the first embodiment when the operator moves the part C held by the hand 1, the posture of the floating unit 202 is changed, and a plurality of joints of the floating unit 202 are operated.
- the control unit 60 has detected whether or not the limit position arrival detection unit 28 has detected that at least one of the plurality of joints of the floating unit 202 has reached the limit position of a predetermined section within a predetermined operation range. Is determined (step S261). That is, the control unit 60 determines whether or not the joint portion corresponding to at least one of the first to fourth detection units 81, 82, 83, and 84 has reached the limit position.
- the first to fourth again It is determined whether at least one of the joint portions 22, 23, 24, 25 has reached the limit position. That is, the control unit 60 stands by until at least one of the first to fourth joint portions 22, 23, 24, 25 reaches the limit position.
- the robot arm controller 63 determines The robot arm 32 is controlled to move the base end portion 202b (robot arm mounting portion 26) of the floating unit 202 by a predetermined distance in the moving direction of the hand 1 (moving direction of the leading end portion 202a of the floating unit 202) (step S262).
- the robot arm control unit 63 controls the robot arm 32, and in the first direction D1 and / or the third direction D3.
- the base end portion 202b of the floating unit 202 is moved by a predetermined distance in the moving direction of the hand 1.
- the robot arm control unit 63 controls the robot arm 32 and floats in the moving direction of the hand 1 in the second direction D2.
- the base end portion 202b of the unit 202 is moved by a predetermined distance.
- the robot arm control unit 63 controls the robot arm 32 and floats in the moving direction of the hand 1 in the first direction D1.
- the base end portion 202b of the unit 202 is moved by a predetermined distance.
- the robot arm control unit 63 moves the base end portion 202b of the floating unit 202 by a predetermined distance and adjusts the position of the floating unit 202 in this way, so that the hand 1 is placed at the temporary target position P1.
- the tip end portion 202a of the floating unit 202 can be moved outside the moving range of the tip end portion 202a of the floating unit 202 at the time of movement.
- the component C It can be moved to the target position P2.
- the control unit 60 determines again whether or not the joint portion corresponding to at least one of the first to fourth detection units 81, 82, 83, and 84 has reached the limit position (step). S261). Accordingly, when the control unit 60 determines that the joint of the floating unit 2 has reached the limit position again (Yes in step S261), the robot arm control unit 63 controls the robot arm 32, and the base end portion 202b ( The robot arm mounting portion 26) is moved a predetermined distance in the moving direction of the hand 1 (the moving direction of the tip end portion 202a of the floating unit 202).
- the part C is attached to the product T using the robot 100, whereas in the present embodiment, the part C located at a predetermined position is held and transported using the robot 100. is there.
- the target position is a position where the part C arranged in the pre-installation work place Pa is located.
- the temporary target position moves the hand 1 to the target position by moving the distal end portion 2a of the floating unit 2 positioned at the temporary target position relative to the base end portion 2b. It is set to a position where it can be held.
- FIG. 13 is a flowchart illustrating an operation example of the robot 100 according to the third embodiment.
- the fixing mechanism control unit 62 operates the fixing mechanism 27, restricts the distal end portion 2 a of the floating unit 2 from moving relative to the base end portion 2 b, and is connected to the robot via the floating unit 2.
- the positional relationship between the tip 32b of the arm 32 and the hand 1 is fixed to a predetermined positional relationship (step S310).
- the robot arm control unit 63 controls the robot arm 32 and positions the hand 1 at the temporary target position P1 based on the information for specifying the position of the temporary target position P1 stored in the storage unit 61. (Step S320).
- the fixing mechanism control unit 62 releases the fixing mechanism 27 (step S330). Accordingly, the distal end portion 2a of the floating unit 2 is allowed to move relative to the proximal end portion 2b, and the operator can hold the handle 11 and move the hand 1 manually.
- the operator holds the handle 11, moves the hand 1, and positions the hand 1 at the target position P2 where the component C is located (step S340).
- the operator can visually confirm the position of the part C (target position P2) and can position the hand 1 at the target position P2, so even if the position of the part C varies, The hand 1 can be quickly positioned at the position where the component C is located, and the working efficiency can be improved.
- the operator operates the hand operation unit 13 to input a holding command for the part C, and the first hand control unit 12 controls the hand 1 based on the holding command and holds the part C (step). S350).
- the fixing mechanism control unit 62 operates the fixing mechanism 27 (step S360).
- the robot arm control unit 63 controls the robot arm 32 and transports the part C (step S370).
- the hand 1 is quickly positioned at the position where the part C is located, and the hand 1 is placed in the part C. Can be held. Thereby, the work efficiency of the conveyance work of the components C can be improved.
Abstract
Description
本発明者等は、工場の生産ラインにおける作業者が保持することが困難な重量部品の取り付け作業の作業効率を向上させることを鋭意検討した。
図1は、本発明の実施の形態1に係るロボット100の構成例を示す図である。
図1に示すように、ロボット100は、ワークを保持するハンド1と、フローティングユニット2と、ロボット本体3と、制御器6(図5参照)と、を備える。
ハンド1は、部品Cの保持を行う保持動作及び保持した物品の開放を行う開放動作を行うことができるように構成され、フローティングユニット2の先端部2aに取り付けられている。
図2に示すように、ロボット本体3は、例えば、多関節型の産業用ロボットであるがこれに限られるものではない。ロボット本体3は、ロボット基部31と、ロボットアーム32とを有する。
図2は、フローティングユニット2の構成例を示す斜視図である。図3は、フローティングユニット2の構成例を模式的に示す図である。
図5は、ロボット100の制御系統の構成例を概略的に示すブロック図である。
次に、ロボット100の動作例を説明する。
図8は、本発明の実施の形態2に係るロボット200のフローティングユニット202の構成例を示す斜視図である。
次に、ロボット200の動作例を説明する。
上記実施の形態1のステップS60(図6参照 部品Cを仮目標位置P1に位置させた後に固定機構27が解除された状態)において、取付作業場Pbに設置された製品Tの位置の誤差等により、仮目標位置P1に位置するフローティングユニット202の先端部202aの移動範囲内に目標位置P2が位置しない場合、ロボット200は、以下の通りフローティングユニット202の位置を調整する動作を行う。
上記実施の形態1は、ロボット100を用いて製品Tへ部品Cを取り付ける形態であるのに対し、本実施の形態はロボット100を用いて所定位置に位置する部品Cを保持し搬送する形態である。
次に、ロボット100の動作例を説明する。
T 取付対象物
D1 第1方向
D2 第2方向
D3 第3方向
P1 仮目標位置
P2 目標位置
Pa 取付前ワーク置場
Pb 取付作業場
R1 動作範囲
R2 動作範囲
R3 動作範囲
R4 動作範囲
1 ハンド
2 フローティングユニット
2a (フローティングユニットの)先端部
2b (フローティングユニットの)基端部
3 ロボット本体
6 制御器
11 持ち手
12 第1ハンド制御部
13 ハンド操作部
21 ハンド取付部
22 第1関節部
23 第2関節部
24 第3関節部
24a (第3関節部の)揺動リンク
24b (第3関節部の)先端側連結部
24c (第3関節部の)基端側連結部
25 第4関節部
26 ロボットアーム取付部
27 固定機構
28 限界位置到達検知部
29 バランサ機構
31 ロボット基部
32 ロボットアーム
32a (ロボットアームの)基端部
32b (ロボットアームの)先端部
41 第1連結片
42 第2連結片
43 第3連結片
44 第4連結片
45 第5連結片
60 制御部
61 記憶部
62 固定機構制御部
63 ロボットアーム制御部
64 第2ハンド制御部
71 第1固定部
72 第2固定部
73 第3固定部
74 第4固定部
76 アーム
77 アーム挟持部
78 エアシリンダー機構
79 エアシリンダー機構
81 第1検知部
81a (第1検知部の)ばねセンサ
81b (第1検知部の)接触子
82 第2検知部
82a (第2検知部の)ばねセンサ
82b (第2検知部の)接触子
83 第3検知部
83a (第3検知部の)ばねセンサ
83b (第3検知部の)接触子
84 第4検知部
84a (第4検知部の)ばねセンサ
84b (第4検知部の)接触子
100 ロボット
Claims (16)
- ワークを保持するハンドと、
先端部に前記ハンドが取り付けられ、所定の動作範囲内で動作する関節を有し、先端部が基端部に対し相対的に移動可能なフローティングユニットと、
先端部が前記フローティングユニットの基端部に取り付けられ、前記ハンド及び前記フローティングユニットを移動させるロボットアームと、
前記ロボットアームの動作を制御するロボットアーム制御部を備える制御部と、を備え、
前記ロボットアーム制御部は、仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させるよう構成されており、
前記仮目標位置は、該仮目標位置に位置する前記フローティングユニットの先端部を基端部に対し相対的に移動させることにより、前記ハンドを目標位置に移動させることができる位置である、ロボット。 - 前記フローティングユニットは、所定の動作範囲内で動作する複数の関節を有し、先端部が基端部に対し相対的に2以上の自由度で移動可能である、請求項1に記載のロボット。
- その作動によって前記関節の動作を規制し、その解除によって前記関節の動作を許容する固定機構を更に有し、
前記制御部は、固定機構の動作を制御する固定機構制御部を備え、
前記固定機構制御部は、前記ロボットアーム制御部が前記仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させているときは前記固定機構を作動させる、請求項1又は2に記載のロボット。 - 前記固定機構は、その作動によって前記フローティングユニットが所定の姿勢をとるように前記フローティングユニットの先端部を移動させ、且つ該所定の姿勢を維持する、請求項3に記載のロボット。
- 前記フローティングユニットは、前記関節が前記所定の動作範囲内の所定の区間の限界位置に達したことを検知する限界位置到達検知部を備え、
前記固定機構制御部は、前記ロボットアーム制御部が前記ハンドを前記仮目標位置に位置させた後に前記固定機構を解除し、前記ロボットアーム制御部は、前記固定機構が解除された状態において前記限界位置到達検知部が前記関節が可動範囲の限界位置に達したことを検知すると、前記フローティングユニットの先端部の移動方向に前記フローティングユニットの基端部を所定距離移動させる、請求項4に記載のロボット。 - 前記ワークは、製品に取り付けられる部品であり、
前記目標位置は、前記部品が前記製品に取り付けられた状態において前記部品が位置する位置である、請求項1乃至5の何れかに記載のロボット。 - 前記フローティングユニットの前記関節は、重力方向への自由度を有し、
前記フローティングユニットは、重力によって前記関節に発生する力とは反対方向の力を該関節に発生させるバランサを有する、請求項1乃至6の何れかに記載のロボット。 - ワークを保持するハンドと、
先端部に前記ハンドが取り付けられ、所定の動作範囲内で動作する関節を有し、先端部が基端部に対し相対的に移動可能なフローティングユニットと、
先端部が前記フローティングユニットの基端部に取り付けられ、前記ハンド及び前記フローティングユニットを移動させるロボットアームと、
前記ロボットアームの動作を制御するロボットアーム制御部を備える制御部と、を備え、
前記ロボットアーム制御部は、仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させるよう構成されており、
前記仮目標位置は、該仮目標位置に位置する前記フローティングユニットの先端部を基端部に対し相対的に移動させることにより、前記ハンドを目標位置に移動させることができる位置である、ロボットの制御方法。 - 前記フローティングユニットは、所定の動作範囲内で動作する複数の関節を有し、先端部が基端部に対し相対的に2以上の自由度で移動可能である、請求項8に記載のロボットの制御方法。
- その作動によって前記関節の動作を規制し、その解除によって前記関節の動作を許容する固定機構を更に有し、
前記制御部は、固定機構の動作を制御する固定機構制御部を備え、
前記固定機構制御部は、前記ロボットアーム制御部が前記仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させているときは前記固定機構を作動させる、請求項8又は9に記載のロボットの制御方法。 - 前記固定機構は、その作動によって前記フローティングユニットが所定の姿勢をとるように前記フローティングユニットの先端部を移動させ、且つ該所定の姿勢を維持する、請求項10に記載のロボットの制御方法。
- 前記フローティングユニットは、前記関節が前記所定の動作範囲内の所定の区間の限界位置に達したことを検知する限界位置到達検知部を備え、
前記固定機構制御部は、前記ロボットアーム制御部が前記ハンドを前記仮目標位置に位置させた後に前記固定機構を解除し、前記ロボットアーム制御部は、前記固定機構が解除された状態において前記限界位置到達検知部が前記関節が可動範囲の限界位置に達したことを検知すると、前記フローティングユニットの先端部の移動方向に前記フローティングユニットの基端部を所定距離移動させる、請求項11に記載のロボットの制御方法。 - 前記ワークは、製品に取り付けられる部品であり、
前記目標位置は、前記部品が前記製品に取り付けられた状態において前記部品が位置する位置である、請求項8乃至12の何れかに記載のロボットの制御方法。 - 前記フローティングユニットの前記関節は、重力方向への自由度を有し、
前記フローティングユニットは、重力によって前記関節に発生する力とは反対方向の力を該関節に発生させるバランサを有する、請求項8乃至13の何れかに記載のロボットの制御方法。 - ロボットを用いた取付対象物へのワークの取付方法であって、
前記ロボットは、
前記ワークを保持するハンドと、
先端部に前記ハンドが取り付けられ、所定の動作範囲で動作する関節を有し、先端部が基端部に対し相対的に移動可能なフローティングユニットと、
先端部が前記フローティングユニットの基端部に取り付けられ、前記ハンド及び前記フローティングユニットを移動させるロボットアームと、
前記ロボットアームを制御するロボットアーム制御部を備える制御部と、を備え、
前記ロボットアーム制御部が、仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させ、
作業者が、前記フローティングユニットの先端部を基端部に対し相対的に移動させることにより、前記仮目標位置に位置する前記ハンドに保持された前記ワークを該ワークの搬送先に移動させて前記取付対象物に取り付ける、ワークの取付方法。 - ロボットを用いた所定位置に位置するワークの搬送方法であって、
前記ロボットは、
前記ワークを保持するハンドと、
先端部に前記ハンドが取り付けられ、所定の動作範囲で動作する関節を有し、先端部が基端部に対し相対的に移動可能なフローティングユニットと、
先端部が前記フローティングユニットの基端部に取り付けられ、前記ハンド及び前記フローティングユニットを移動させるロボットアームと、
前記ロボットアームを制御するロボットアーム制御部を備える制御部と、を備え、
前記ロボットアーム制御部が、仮目標位置に前記ハンドが位置するよう前記ハンド及び前記フローティングユニットを移動させ、
作業者が、前記フローティングユニットの先端部を基端部に対し相対的に移動させることにより、前記仮目標位置に位置する前記ハンドを前記所定位置に移動させて前記ハンドに前記ワークを保持させ、
前記ロボットアーム制御部が、前記ハンド及び前記フローティングユニットを移動させ、前記ハンドに保持された前記ワークを搬送する、ワークの搬送方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177028019A KR20170125088A (ko) | 2015-03-13 | 2016-03-04 | 로봇, 로봇의 제어 방법, 워크의 장착 방법 및 워크의 반송 방법 |
CN201680015634.1A CN107428012A (zh) | 2015-03-13 | 2016-03-04 | 机械手、机械手的控制方法、工件的安装方法以及工件的搬运方法 |
US15/558,090 US20180043539A1 (en) | 2015-03-13 | 2016-03-04 | Robot, method of controlling the robot, and method of assembling workpiece, and method of conveying workpiece |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015051434A JP6630050B2 (ja) | 2015-03-13 | 2015-03-13 | ロボット、ロボットの制御方法、ワークの取付方法及びワークの搬送方法 |
JP2015-051434 | 2015-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016147592A1 true WO2016147592A1 (ja) | 2016-09-22 |
Family
ID=56918636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/001209 WO2016147592A1 (ja) | 2015-03-13 | 2016-03-04 | ロボット、ロボットの制御方法、ワークの取付方法及びワークの搬送方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180043539A1 (ja) |
JP (1) | JP6630050B2 (ja) |
KR (1) | KR20170125088A (ja) |
CN (1) | CN107428012A (ja) |
WO (1) | WO2016147592A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114286738A (zh) * | 2019-07-19 | 2022-04-05 | 拉德博伊尔-科斯维希工业伙伴有限公司 | 用在机床和/或自动装配机上的机器人单元 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019230195A1 (ja) * | 2018-05-31 | 2019-12-05 | 川崎重工業株式会社 | 搬送ハンド及び搬送ロボット |
CN109850562A (zh) * | 2018-12-17 | 2019-06-07 | 东莞华贝电子科技有限公司 | 上料方法、上料系统、电子设备及计算机可读存储介质 |
JP7306937B2 (ja) * | 2019-09-25 | 2023-07-11 | ファナック株式会社 | ロボットに支持された部材の位置を調整するロボット装置の制御装置 |
JP7452257B2 (ja) | 2020-05-29 | 2024-03-19 | オムロン株式会社 | 制御装置、ロボットシステム、およびロボットの制御方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05329792A (ja) * | 1992-05-26 | 1993-12-14 | Fanuc Ltd | ロボットアームのバランサ装置 |
JP2009202251A (ja) * | 2008-02-26 | 2009-09-10 | Toyota Motor Corp | パワーアシスト装置およびその制御方法 |
JP2010269418A (ja) * | 2009-05-22 | 2010-12-02 | Ihi Corp | ロボット制御装置およびその制御方法 |
JP2012115915A (ja) * | 2010-11-29 | 2012-06-21 | Fanuc Ltd | ワーク取り出し方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03228588A (ja) * | 1990-02-02 | 1991-10-09 | Hitachi Ltd | 産業用ロボツトの位置誤差補償装置 |
JPH04331089A (ja) * | 1991-05-07 | 1992-11-18 | Hitachi Chem Co Ltd | ロボットハンド取付装置 |
JP3382324B2 (ja) * | 1993-11-15 | 2003-03-04 | 本田技研工業株式会社 | 自動車のウインドガラス搬送装置 |
WO1999050721A1 (en) * | 1997-09-19 | 1999-10-07 | Massachusetts Institute Of Technology | Robotic apparatus |
WO2005000537A1 (ja) * | 2003-06-25 | 2005-01-06 | Honda Motor Co., Ltd. | アシスト搬送方法及びその装置 |
JP4255321B2 (ja) * | 2003-06-25 | 2009-04-15 | 本田技研工業株式会社 | アシスト搬送方法及びその装置 |
US7611180B1 (en) * | 2006-07-27 | 2009-11-03 | Sas Automation, Ltd. | Robotic end of arm tool method and apparatus |
KR101230899B1 (ko) * | 2010-12-01 | 2013-02-07 | 현대자동차주식회사 | 플로팅 기구를 이용한 토우 조정 자동화 장치 |
JP5981731B2 (ja) * | 2012-03-02 | 2016-08-31 | 本田技研工業株式会社 | ワーク搬送システム、及び、ワークの搬送方法 |
WO2014146107A1 (en) * | 2013-03-15 | 2014-09-18 | Intuitive Surgical Operations, Inc. | System and methods for positioning a manipulator arm by clutching within a null-perpendicular space concurrent with null-space movement |
CA2938897A1 (en) * | 2014-02-07 | 2015-08-13 | Centre For Imaging Technology Commercialization (Cimtec) | Modular base link for a counterbalancing arm |
DE202014101000U1 (de) * | 2014-03-06 | 2015-06-12 | Kuka Systems Gmbh | Fügewerkzeug und Fügeeinrichtung |
US10759634B2 (en) * | 2014-08-08 | 2020-09-01 | GM Global Technology Operations LLC | Electromechanical system for interaction with an operator |
US10626963B2 (en) * | 2015-10-19 | 2020-04-21 | GM Global Technology Operations LLC | Articulated mechanism for linear compliance |
US9808933B2 (en) * | 2015-04-03 | 2017-11-07 | GM Global Technology Operations LLC | Robotic system with reconfigurable end-effector assembly |
US9656394B2 (en) * | 2015-05-21 | 2017-05-23 | GM Global Technology Operations LLC | Robotic system with reconfigurable end-effector assembly |
-
2015
- 2015-03-13 JP JP2015051434A patent/JP6630050B2/ja active Active
-
2016
- 2016-03-04 WO PCT/JP2016/001209 patent/WO2016147592A1/ja active Application Filing
- 2016-03-04 CN CN201680015634.1A patent/CN107428012A/zh active Pending
- 2016-03-04 KR KR1020177028019A patent/KR20170125088A/ko not_active Application Discontinuation
- 2016-03-04 US US15/558,090 patent/US20180043539A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05329792A (ja) * | 1992-05-26 | 1993-12-14 | Fanuc Ltd | ロボットアームのバランサ装置 |
JP2009202251A (ja) * | 2008-02-26 | 2009-09-10 | Toyota Motor Corp | パワーアシスト装置およびその制御方法 |
JP2010269418A (ja) * | 2009-05-22 | 2010-12-02 | Ihi Corp | ロボット制御装置およびその制御方法 |
JP2012115915A (ja) * | 2010-11-29 | 2012-06-21 | Fanuc Ltd | ワーク取り出し方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114286738A (zh) * | 2019-07-19 | 2022-04-05 | 拉德博伊尔-科斯维希工业伙伴有限公司 | 用在机床和/或自动装配机上的机器人单元 |
Also Published As
Publication number | Publication date |
---|---|
JP6630050B2 (ja) | 2020-01-15 |
KR20170125088A (ko) | 2017-11-13 |
CN107428012A (zh) | 2017-12-01 |
US20180043539A1 (en) | 2018-02-15 |
JP2016168663A (ja) | 2016-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016147592A1 (ja) | ロボット、ロボットの制御方法、ワークの取付方法及びワークの搬送方法 | |
JP6871857B2 (ja) | ロボットシステム | |
KR101952766B1 (ko) | 로봇 시스템 및 엔드 이펙터의 변형 검출 방법 | |
JP4475339B2 (ja) | パワーアシスト装置およびその制御方法 | |
JP2015033747A (ja) | ロボットシステム、ロボット制御装置及びロボット制御方法 | |
WO2016103300A1 (ja) | ロボット | |
WO2019159713A1 (ja) | 接続装置及び接続方法 | |
JP4737160B2 (ja) | パワーアシスト装置およびその制御方法 | |
WO2013175553A1 (ja) | ロボット | |
JP2010142910A5 (ja) | ||
JP6821374B2 (ja) | ロボットシステム及びその運転方法 | |
JP2014180719A (ja) | ロボット装置 | |
WO2018212239A1 (ja) | 遠隔操作ロボットシステム | |
US11433531B2 (en) | Robot system and method for controlling robot | |
JP2016172296A (ja) | ロボット装置、ロボット制御プログラム、および記録媒体 | |
CN110936360A (zh) | 机器人单元 | |
WO2018066601A1 (ja) | ロボットシステム及びその運転方法 | |
JP2010264539A (ja) | ロボット制御装置 | |
JP2009034755A (ja) | パワーアシスト装置及びその制御方法 | |
JP5733511B2 (ja) | ハンドガイド装置とその制御方法 | |
JP2008254097A (ja) | 複数ロボット間の相対位置計算方法 | |
KR20180073747A (ko) | 다기능 그리퍼 제어 시스템 | |
JP6881525B2 (ja) | ロボットシステム、コントローラ及び制御方法 | |
WO2018043493A1 (ja) | ロボット及びその運転方法 | |
JP7135823B2 (ja) | ロボットシステム及びロボットの制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16764425 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15558090 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20177028019 Country of ref document: KR Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16764425 Country of ref document: EP Kind code of ref document: A1 |