CN108705540A - Percussion collision prevention method, equipment and the storage device of a kind of both arms dulcimer robot - Google Patents

Percussion collision prevention method, equipment and the storage device of a kind of both arms dulcimer robot Download PDF

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Publication number
CN108705540A
CN108705540A CN201810393756.5A CN201810393756A CN108705540A CN 108705540 A CN108705540 A CN 108705540A CN 201810393756 A CN201810393756 A CN 201810393756A CN 108705540 A CN108705540 A CN 108705540A
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China
Prior art keywords
qin
arms
percussion
dulcimer
dulcimer robot
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CN201810393756.5A
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Chinese (zh)
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CN108705540B (en
Inventor
陈鑫
周莉
周洋
费婷
蒋晨旭
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China University of Geosciences
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China University of Geosciences
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Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • B25J11/003Manipulators for entertainment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1656Programme controls characterised by programming, planning systems for manipulators
    • B25J9/1664Programme controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
    • B25J9/1666Avoiding collision or forbidden zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1679Programme controls characterised by the tasks executed

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

The present invention provides percussion collision prevention method, equipment and the storage devices of a kind of both arms dulcimer robot, a kind of percussion collision prevention method of both arms dulcimer robot, pass through the space coordinate of the qin face beating point of both arms dulcimer robot, establish the fit Plane equation of qin face beating point, to obtain the fit Plane of qin bamboo initial position, keep height when percussion identical, facilitate control percussion dynamics, by establishing the qin bamboo end buffering area of left arm and the qin bamboo end buffering area of right arm respectively according to the shortest distance, mechanical arm collides when avoiding tapping;The percussion collision avoidance aids and storage device of a kind of both arms dulcimer robot, for realizing the percussion collision prevention method of both arms dulcimer robot.The beneficial effects of the invention are as follows:The plane equation and buffering area that the present invention passes through qin bamboo initial position, it is easier to control the height and dynamics when both arms dulcimer robot taps, the case where effectively avoiding to collide during tapping, so that the performance of both arms dulcimer robot is more coordinated, more class peopleization.

Description

Percussion collision prevention method, equipment and the storage device of a kind of both arms dulcimer robot
Technical field
The present invention relates to the percussion collision prevention method of robot field more particularly to a kind of both arms dulcimer robot, equipment and Storage device.
Background technology
In recent years, with the extreme enrichment that people's material life develops, people start to pursue in the higher of spirit level It enjoys, learning instrument is but faced with as a kind of effective way of promotion people's spirit level and is engaged in musical instrument correlation faculty not It is enough and the problem of somewhat expensive and learning time are dumb etc..And with the development of science and technology, being played using robot Musical instrument has at home and abroad had certain Research foundation, many countries also to put into a large amount of manpower and materials and gone to study related skill Art.
As one of Chinese classical musical instrument, on the one hand the research in terms of the robot played it helps to develop dulcimer With carry forward traditional Chinese culture, allow more people enhancing to the acceptance of traditional culture;Related intelligence can be studied on the other hand Energy algorithm builds the research platform to the fields such as robot and artificial intelligence, has very strong scientific research value.
For dulcimer as Chinese Traditional Instruments, the research for the robot played it is also relatively fewer, the conduct of dulcimer robot The robot of class peopleization with both arms, studies it with very strong Value of Science & Technology and economic implications.The present invention proposes a kind of The method that collision prevention based on dulcimer robot taps, can be during tapping so that qin bamboo end eventually settles at dulcimer qin face The identical height in top, the dynamics for facilitating control to tap, while can effectively avoid the mutual of during percussion qin bamboo During collision and percussion, the uncoordinated phenomenon that big displacement leads to mechanical arm collision and taps, realization occur for single arm Intelligence and the class peopleization of the process of percussion.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of percussion collision prevention method of both arms dulcimer robot, equipment and Storage device, a kind of percussion collision prevention method of both arms dulcimer robot, both arms dulcimer robot include left arm and right arm, a left side Arm and right arm are respectively provided with the qin bamboo for tapping qin face beating point, and the method mainly includes the following steps that:
S101:According to the space coordinate of the qin face beating point of both arms dulcimer robot, qin face is established using least square method The fit Plane equation of beating point;
S102:According to the fit Plane equation, the fit Plane of qin face beating point is determined;
S103:According to the fit Plane of qin face beating point, the fit Plane of qin bamboo initial position is established, obtains qin bamboo The plane equation of initial position;
S104:According to the space coordinate of the qin face beating point of both arms dulcimer robot, all adjacent qins are calculated The shortest distance between the beating point of face establishes the qin of qin bamboo the end buffering area and right arm of left arm according to the shortest distance respectively Bamboo end buffering area;
S105:Both arms dulcimer robot receives the percussion sequence of melody;
S106:According to the percussion sequence, the qin bamboo end buffering area of left arm and the qin bamboo end buffering area of right arm are judged Whether overlapIf so, arriving step S107;If it is not, then arriving step S108;
S107:The qin bamboo end and right arm qin bamboo end of both arms dulcimer robot left arm are tapped respectively from the qin bamboo The nearest beating point in end, then arrives step S111;
S108:Judge the current beating point of the mechanical arm of both arms dulcimer robot at a distance from next beating point whether More than j/2If so, arriving step S109;If it is not, then arriving step S110;J is the percussion principal plane of both arms dulcimer robot Width;
S109:It is assisted to tap next beating point by an other arm, then arrives step S111;
S110:The mechanical arm of both arms dulcimer robot taps next beating point according to the percussion sequence;
S111:Judge whether the percussion sequence is finishedIf so, arriving step S112;If it is not, then returning to step S105;
S112:Both arms dulcimer robot terminates collision prevention percussion, completes music playing.
Further, in step S101, for each beating point (x in qin facei,yi,zi), establish qin face beating point Fit Plane equation z=a0x+a1y+a2, a0,a1,a2Computational methods be:
Wherein, a0、a1Respectively represent the coefficient of X-axis and Y-axis in the fit Plane equation of qin face beating point, a2It represents Intercept in the fit Plane equation of qin face beating point on Z axis.
Further, in step s 103, the flat fitting face of the qin bamboo initial position and qin face beating point is quasi- It is parallel to close plane, the plane equation z of the qin bamboo initial position1For:
z1- h=a0x+a1y+a2 (2)
Wherein, a0、a1Respectively represent the coefficient of X-axis and Y-axis in the plane equation of the qin bamboo initial position, a2Represent institute The intercept on Z axis in the plane equation of qin bamboo initial position is stated, h is the fit Plane of the qin bamboo initial position than the qin face The height that the fit Plane of beating point is higher by.
Further, in step S104, the shortest distance between all adjacent qin face beating points is b, respectively with institute Centered on stating the qin bamboo end A (c, d, e) of the both arms dulcimer robot left arm and qin bamboo end B (f, g, h) of right arm, it is with b/2 Radius establishes the qin bamboo end buffering area of left arm and the qin bamboo end buffering area of right arm.
Further, in step s 106, the buffering area condition that need to meet that overlaps is:
A kind of storage device, the storage device store instruction and data striking for realizing a kind of both arms dulcimer robot Hit collision prevention method.
A kind of percussion collision avoidance aids of both arms dulcimer robot, including:Processor and the storage device;The processor The percussion collision prevention method for loading and executing the instruction in the storage device and data for realizing a kind of both arms dulcimer robot.
The advantageous effect that technical solution provided by the invention is brought is:The plane equation that the present invention passes through qin bamboo initial position And buffering area, can height and dynamics of the easier control both arms dulcimer robot when tapping, during effectively avoiding percussion The case where may colliding, makes the performance of both arms dulcimer robot more coordinate, more class peopleization.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of flow chart of the percussion collision prevention method of both arms dulcimer robot in the embodiment of the present invention;
Fig. 2 is the vertical view that both arms dulcimer robot dulcimer taps plane in the embodiment of the present invention;
Fig. 3 is the signal of the fit Plane of qin face beating point and the fit Plane of qin bamboo initial position in the embodiment of the present invention Figure;
Fig. 4 is the schematic diagram that hardware device works in the embodiment of the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail The specific implementation mode of the present invention.
The embodiment provides percussion collision prevention method, equipment and the storage devices of a kind of both arms dulcimer robot.
Referring to FIG. 1, Fig. 1 is a kind of flow of the percussion collision prevention method of both arms dulcimer robot in the embodiment of the present invention Figure, both arms dulcimer robot include left arm and right arm, and left arm and right arm are respectively provided with the qin for tapping qin face beating point Bamboo, the method specifically include following steps:
S101:According to the space coordinate of the qin face beating point of both arms dulcimer robot, qin face is established using least square method The fit Plane equation of beating point;For the coordinate (x of each beating point in qin facei,yi,zi), establish the fitting of qin face beating point Plane equation z=a0x+a1y+a2, a0,a1,a2Computational methods be:
Wherein, a0、a1Respectively represent the coefficient of X-axis and Y-axis in the fit Plane equation of qin face beating point, a2It represents Intercept in the fit Plane equation of qin face beating point on Z axis;
S102:According to the fit Plane equation, the fit Plane of qin face beating point is determined;
S103:According to the fit Plane of qin face beating point, the fit Plane of qin bamboo initial position is established, obtains qin bamboo The plane equation of initial position;The flat fitting face of the qin bamboo initial position is parallel with the fit Plane of qin face beating point, The plane equation z of the qin bamboo initial position1For:
z1- h=a0x+a1y+a2 (2)
Wherein, a0、a1Respectively represent the coefficient of X-axis and Y-axis in the plane equation of the qin bamboo initial position, a2Represent institute The intercept on Z axis in the plane equation of qin bamboo initial position is stated, h is the fit Plane of the qin bamboo initial position than the qin face The height that the fit Plane of beating point is higher by.
In the present embodiment, the fit Plane of the qin bamboo initial position is higher by two than the fit Plane of qin face beating point Centimetre, the plane equation z of the qin bamboo initial position1For:z1- 0.02=a0x+a1y+a2, a0、a1At the beginning of respectively representing the qin bamboo The coefficient of X-axis and Y-axis, a in the plane equation of beginning position2Represent cutting on Z axis in the plane equation of the qin bamboo initial position Away from;
S104:According to the space coordinate of the qin face beating point of both arms dulcimer robot, all adjacent qins are calculated Shortest distance b between the beating point of face establishes the qin bamboo end buffering area and right arm of left arm according to the shortest distance respectively Qin bamboo end buffering area;Respectively with the qin bamboo end of the qin bamboo end A (c, d, e) of both arms dulcimer robot left arm and right arm Centered on B (f, g, h), using b/2 as radius, the qin bamboo end buffering area of left arm and the qin bamboo end buffering area of right arm are established;
S105:Both arms dulcimer robot receives the percussion sequence of melody;
S106:According to the percussion sequence, the qin bamboo end buffering area of left arm and the qin bamboo end buffering area of right arm are judged Whether overlapIf so, arriving step S107;If it is not, then arriving step S108;Buffering area overlaps the condition that need to meet For:
S107:The qin bamboo end and right arm qin bamboo end of both arms dulcimer robot left arm are tapped respectively from the qin bamboo The nearest beating point in end, then arrives step S111;
S108:Judge the current beating point of the mechanical arm of both arms dulcimer robot at a distance from next beating point whether More than j/2If so, arriving step S109;If it is not, then arriving step S110;J is the percussion principal plane of both arms dulcimer robot Width, the both arms dulcimer robot during percussion, the qin bamboo end movement range in six row qin column of dulcimer In the range of place;
S109:It is assisted to tap next beating point by an other arm, then arrives step S111;
S110:Both arms dulcimer robot taps next beating point according to the percussion sequence;
S111:Judge whether the percussion sequence is finishedIf so, arriving step S112;If it is not, then returning to step S105;
S112:Both arms dulcimer robot terminates collision prevention percussion, completes music playing.
Referring to FIG. 2, Fig. 2 is the vertical view that both arms dulcimer robot dulcimer taps plane in the embodiment of the present invention, in figure One shares six row qin columns, wherein from left to right secondary series qin column has the bridge that two row tap, dulcimer to tap principal plane and refer to six Range where row qin column, width j.
Referring to FIG. 3, Fig. 3 is the fitting of the fit Plane of qin face beating point and qin bamboo initial position in the embodiment of the present invention The schematic diagram of plane is depicted according to the space coordinate of the qin face beating point of both arms dulcimer robot strike first in three dimensions Position a little is hit, least square method is then used to establish the fit Plane equation of qin face beating point;Then according to qin face beating point Fit Plane, establish the fit Plane of qin bamboo initial position, the beating point of qin bamboo allowed to be in the fitting of qin face beating point Above plane, to control the percussion power of qin bamboo during tapping.
Fig. 4 is referred to, Fig. 4 is the hardware device operating diagram of the embodiment of the present invention, and the hardware device specifically includes: Percussion collision avoidance aids 401, processor 402 and the storage device 403 of a kind of both arms dulcimer robot.
A kind of percussion collision avoidance aids 401 of both arms dulcimer robot:A kind of percussion collision prevention of the both arms dulcimer robot Equipment 401 realizes a kind of percussion collision prevention method of both arms dulcimer robot.
Processor 402:The processor 402 loads and executes the instruction in the storage device 403 and data for real A kind of percussion collision prevention method of existing both arms dulcimer robot.
Storage device 403:403 store instruction of the storage device and data;The storage device 403 is for realizing described A kind of percussion collision prevention method of both arms dulcimer robot.
The beneficial effects of the invention are as follows:The present invention can more be held by the plane equation and buffering area of qin bamboo initial position Height and dynamics when easy control both arms dulcimer robot taps, effectively avoid the feelings that may be collided during tapping Condition makes the performance of both arms dulcimer robot more coordinate, more class peopleization.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of percussion collision prevention method of both arms dulcimer robot, both arms dulcimer robot include left arm and right arm, left arm The qin bamboo for tapping qin face beating point is respectively provided with right arm, it is characterised in that:It the described method comprises the following steps:
S101:According to the space coordinate of the qin face beating point of both arms dulcimer robot, qin face is established using least square method and is tapped The fit Plane equation of point;
S102:According to the fit Plane equation, the fit Plane of qin face beating point is determined;
S103:According to the fit Plane of qin face beating point, the fit Plane of qin bamboo initial position is established, it is initial to obtain qin bamboo The plane equation of position;
S104:According to the space coordinate of the qin face beating point of both arms dulcimer robot, calculates all adjacent qin faces and strike The shortest distance between hitting a little establishes the qin bamboo end of the qin bamboo end buffering area and right arm of left arm according to the shortest distance respectively Hold buffering area;
S105:Both arms dulcimer robot receives the percussion sequence of melody;
S106:According to the percussion sequence, judge left arm qin bamboo end buffering area and right arm qin bamboo end buffering area whether It overlapsIf so, arriving step S107;If it is not, then arriving step S108;
S107:The qin bamboo end and right arm qin bamboo end of both arms dulcimer robot left arm are tapped respectively from qin bamboo end Then nearest beating point arrives step S111;
S108:Judge whether the current beating point of the mechanical arm of both arms dulcimer robot is more than at a distance from next beating point j/2If so, arriving step S109;If it is not, then arriving step S110;J is the width of the percussion principal plane of both arms dulcimer robot Degree;
S109:It is assisted to tap next beating point by an other arm, then arrives step S111;
S110:The mechanical arm of both arms dulcimer robot taps next beating point according to the percussion sequence;
S111:Judge whether the percussion sequence is finishedIf so, arriving step S112;If it is not, then returning to step S105;
S112:Both arms dulcimer robot terminates collision prevention percussion, completes music playing.
2. a kind of percussion collision prevention method of both arms dulcimer robot as described in claim 1, it is characterised in that:In step S101 In, for each beating point (x in qin facei,yi,zi), establish the fit Plane equation z=a of qin face beating point0x+a1y+a2, a0, a1,a2Computational methods be:
Wherein, a0、a1Respectively represent the coefficient of X-axis and Y-axis in the fit Plane equation of qin face beating point, a2Described in representative Intercept in the fit Plane equation of qin face beating point on Z axis.
3. a kind of percussion collision prevention method of both arms dulcimer robot as claimed in claim 2, it is characterised in that:In step S103 In, the flat fitting face of the qin bamboo initial position is parallel with the fit Plane of qin face beating point, the qin bamboo initial position Plane equation z1For:
z1- h=a0x+a1y+a2 (2)
Wherein, a0、a1The coefficient of X-axis and Y-axis, a in the plane equation of the difference qin bamboo initial position2At the beginning of representing the qin bamboo Intercept in the plane equation of beginning position on Z axis, h are the fit Plane of the qin bamboo initial position than qin face beating point The height that fit Plane is higher by.
4. a kind of percussion collision prevention method of both arms dulcimer robot as described in claim 1, it is characterised in that:In step S104 In, the shortest distance between all adjacent qin face beating points is b, respectively with the qin bamboo end of both arms dulcimer robot left arm Centered on the qin bamboo end B (f, g, h) for holding A (c, d, e) and right arm, using b/2 as radius, the qin bamboo end buffering area of left arm is established With the qin bamboo end buffering area of right arm.
5. a kind of percussion collision prevention method of both arms dulcimer robot as claimed in claim 4, it is characterised in that:In step S106 In, the buffering area condition that need to meet that overlaps is:
6. a kind of storage device, it is characterised in that:The storage device store instruction and data are for realizing Claims 1 to 5 The percussion collision prevention method of any one both arms dulcimer robot.
7. a kind of percussion collision avoidance aids of both arms dulcimer robot, it is characterised in that:Including:Processor and the storage device; The processor loads and executes the instruction in the storage device and data for realizing arbitrary described in Claims 1 to 5 A kind of percussion collision prevention method of both arms dulcimer robot.
CN201810393756.5A 2018-04-27 2018-04-27 Knocking and collision prevention method and equipment for double-arm dulcimer robot and storage equipment Expired - Fee Related CN108705540B (en)

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