CN108995739A - A kind of general omnidirectional's robot developing platform - Google Patents

A kind of general omnidirectional's robot developing platform Download PDF

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Publication number
CN108995739A
CN108995739A CN201810758946.2A CN201810758946A CN108995739A CN 108995739 A CN108995739 A CN 108995739A CN 201810758946 A CN201810758946 A CN 201810758946A CN 108995739 A CN108995739 A CN 108995739A
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CN
China
Prior art keywords
platform
hull
robot
sensor
platform hull
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810758946.2A
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Chinese (zh)
Inventor
陈俊宏
李瑞峰
张伟
李振宏
刘伟斌
陈金海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Quanzhou HIT Research Institute of Engineering and Technology
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Fujian Quanzhou HIT Research Institute of Engineering and Technology
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Application filed by Fujian Quanzhou HIT Research Institute of Engineering and Technology filed Critical Fujian Quanzhou HIT Research Institute of Engineering and Technology
Priority to CN201810758946.2A priority Critical patent/CN108995739A/en
Publication of CN108995739A publication Critical patent/CN108995739A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D63/00Motor vehicles or trailers not otherwise provided for
    • B62D63/02Motor vehicles

Abstract

The present invention discloses a kind of general omnidirectional's robot developing platform, it is related to mobile platform field, including platform hull, omni-directional moving mechanism, radar, sensor, expand objective table, expand connecting plate, control system and operating system, the lower part that platform hull is arranged in omni-directional moving mechanism is used to support mobile entire platform and connects control system and is controlled by it, laser radar is arranged in platform hull for scanning ambient enviroment, sensor is arranged in platform hull to be monitored for avoidance, objective table is expanded to be arranged in platform hull for disposing expansion equipment, connecting plate is expanded to be arranged in platform hull for disposing the connecting component for expanding equipment connection, action control of the control system for each equipment in control platform, operating system is used for the robot for managing and controlling entire platform and developing on the platform;The Omni-mobile flexibility of the platform is more preferable, can adapt to more complicated environment and operating condition, and be convenient for functions expanding and secondary development.

Description

A kind of general omnidirectional's robot developing platform
Technical field
The present invention relates to mobile platform fields, especially design the robot developing platform of Omni-mobile.
Background technique
The application of robot more comes and extensively, almost permeates all spectra, and various countries' especially western developed country is just endeavoured In research, exploitation and service robot is widely applied, currently, the U.S., Japan and other countries, robot be applied to mall shopping, The multiple fields such as article transfer, household service, exhibition room security personnel.Compared with common industrial robot, service robot has more Big more flexible working space, therefore it often uses mobile robot, mobile robot needs to adapt to various indoor complicated rings Border, outdoor such as a variety of environment such as target practice training place, often require that its have can narrow, crowded occasion flexibly and fast from By the performance moved, this also becomes the difficulties of robot research and design, therefore can flexibly move in the work environment Moving and having the function of to execute is the characteristics of mobile machine is recognized, and it is machine that mobile mechanism, which is the pith for forming mobile robot, The key of people's realization functional requirement.
Robotics development makes rapid progress, and time and tide wait for no man, and the omnidirectional's robot developing platform for providing a versatility can Robot research and development speed is greatly improved, avoids repeating the case where making " wheel ".Existing robot developing platform is mostly that spider gear moves Realize and turn to that the flexibility of spider gear chassis is insufficient, in certain narrow, crowded spaces by the rotational speed difference of driving wheel in dynamic chassis Interior limitation of movement, the chassis basis that cannot be provided to the robot research and development high to requirement on flexibility.In addition, existing chassis hardware Upper is mostly the set of system of independent completion, is implanted into and verifies for algorithm, the closure on hardware, so that such chassis is only suitable for It is verified in algorithm research, for the requirement for needing hardware to expand, such as addition mechanical arm, increase elevating mechanism, then is difficult to meet.
Summary of the invention
The purpose of the present invention is to provide a kind of Omni-mobile flexibility is more preferable, and it is convenient for functions expanding and secondary opens A kind of general omnidirectional's robot developing platform of hair.
To achieve the above object, the technical scheme is that a kind of general omnidirectional's robot developing platform, feature exist In: including platform hull, omni-directional moving mechanism, radar, sensor, expand objective table, expansion connecting plate, control system and behaviour Make system, the lower part that platform hull is arranged in the omni-directional moving mechanism is used to support mobile entire platform and connects control system System is controlled by it, and the laser radar is arranged in platform hull for scanning ambient enviroment, and the sensor is arranged in platform It is monitored on shell for avoidance, the expansion objective table, which is arranged in platform hull, expands equipment for disposing, and the expansion connects Fishplate bar is arranged in platform hull for disposing the connecting component for expanding equipment connection, and the control system is used for control platform The action control of upper each equipment, the operating system are used for the machine for managing and controlling entire platform and developing on the platform People.
The operating system uses ROS robot operating system.
The sensor is ultrasonic sensor.
The radar is laser radar.
The sensor is laid multiple along surrounding's different angle of platform hull.
The objective table of expanding includes the bottom plate being arranged in platform hull and is arranged on bottom plate for expanding equipment installation The fixation aluminum profile of connection.
Expansion connecting plate setting is on expanding objective table or platform hull, the expansion objective table and platform hull It is upper to offer the through-hole passed through for connecting component respectively.
The omni-directional moving mechanism include the preceding mobile mechanism being mainly made of the Mecanum wheel group independently driven and The Mecanum wheel group opposed platforms shell of mobile mechanism afterwards, the preceding mobile mechanism is not swingable, the rear mobile mechanism Mecanum wheel group be equipped with installation set, the installation set towards between one end and platform hull of Mecanum wheel be equipped with suspension Mechanism is connected between the other end and platform hull of the installation set by shaft bearing component.
Mobile mechanism is front end before the platform hull is corresponding, and mobile mechanism is rear end after corresponding to, and the radar is set It sets on the front end of platform hull.
It is laid with biography respectively on front, left front and the direction of right front three in the front end side wall of the platform hull Sensor is respectively equipped with sensor on the two sidewalls of the platform hull and rear end side wall.
By using above-mentioned technical proposal, the beneficial effects of the present invention are: above-mentioned Omni-mobile mechanism uses Mecanum Wheel group composition, constitutes the chassis of platform, Mecanum wheel is a kind of omni-directional wheel, can be more using this multiple wheel combination Flexible and convenient realization all-around mobile function, it is further above-mentioned after suspension mechanism in mobile mechanism, shaft bearing component What structure setting made rear mobile mechanism has swingable, reducible effect so that rear mobile mechanism have with platform hull it is soft Property connection effect, the structure setting can guarantee that the Mecanum wheel of preceding mobile mechanism and rear mobile mechanism connects simultaneously with ground Touching improves the mobile passage capacity and kinematic accuracy of omnidirectional's robot developing platform, to preferably realize that the present invention states omnidirectional Mobile flexibility is more preferable, can adapt to the purpose effect of more complicated environment and operating condition.Development platform of the invention is equipped with thunder It reaches, sensor etc. and use ROS robot operating system (Robot Operating System), user can be facilitated basic herein It is upper to carry out software development and realize the functions such as independent navigation and secondary development on this basis.General robot of omnidirectional of the invention The integral mechanical structure of development platform, each system combination collocation are coordinated, and can meet the different demands of different user, can operate with religion It educates on scientific research field or other field.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of general omnidirectional's robot developing platform of the present invention;
Fig. 2 is a kind of schematic diagram of internal structure of general omnidirectional's robot developing platform of the present invention;
Fig. 3 is a kind of circuit structure block diagram of general omnidirectional's robot developing platform of the present invention.
In figure:
Platform hull 1;Case frame 11;Panel 12;Through-hole 13;Omni-directional moving mechanism 2;
Mecanum wheel group 21;Mecanum wheel 211;Driving motor 212;Shaft coupling 213;
Preceding mobile mechanism 22;Mobile mechanism 23 afterwards;Installation set 24;Suspension mechanism 25;Shaft bearing component 26;
Radar 3;Sensor 4;Expand objective table 5;Bottom plate 51;Through-hole 511;Fixed aluminum profile 52;
Expand connecting plate 6;Control system 7;Operating system 8.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention It states.
A kind of general omnidirectional's robot developing platform disclosed by the invention includes platform hull as shown in Figure 1, Figure 2 and Figure 3 1, omni-directional moving mechanism 2, radar 3, sensor 4, expansion objective table 5, expansion connecting plate 6, control system 7 and operating system 8, The position connection relationship between each portion is described in detail with reference to the accompanying drawing.
Action control of the control system 7 for each equipment in control platform, controls comprehensive shifting as illustrated in the drawing The movement of motivation structure 2, work start and stop there are also radar 3 and sensor 4, and the operating system 8 is for managing and controlling entire platform And the robot developed on the platform, ROS robot operating system, Robot are preferably used in the present embodiment Operating System is the metaoperating system of an open source for being suitable for robot, it provides the due service of system, Including hardware abstraction, underlying device control, the realization of common mathematical function, inter-process messages transmitting, and reason is assured, it also provides use In acquisition, compile, write and across computer operation code needed for tool and library function, therefore basis can facilitate in platform herein Software development is carried out in upper increase equipment realizes the functions such as independent navigation and secondary development on this basis.
The platform hull 1 supports the case frame 11 of load-bearing including main its and is located at shell as depicted in figs. 1 and 2 Setting is fixedly mounted for each component, equipment inside platform hull 1 in panel 12 outside body frame 11.
The lower part that platform hull 1 is arranged in the omni-directional moving mechanism 2 is used to support mobile entire platform, constitutes platform Chassis, connection control system 7 be controlled by it, the omni-directional moving mechanism 2 include mainly received by the Mike independently driven The preceding mobile mechanism 22 and rear mobile mechanism 23 that nurse wheel group 21 forms;Here illustratively: Mecanum wheel is that had based on one Many is located in the principle of the centre wheel of the wheel shaft on wheel periphery, these angled periphery wheel shafts turn to the wheel of a part Power is transformed into above a wheel normal force, direction and speed by respective wheel, and the final synthesis of these power is wanted any A resultant force vector is generated on the direction asked to ensure that this platform can be freely on the direction of final resultant force vector Mobile, the direction without changing wheel itself, diagonally distribute many small rollers on its wheel rim, therefore wheel can be slided laterally It moves, the bus of small roller is very special, and when wheel is around fixed wheel arbor rotation, the envelope of each small roller is cylinder Face, so the wheel being capable of continuously rolls forward.Mecanum wheel is compact-sized, and movement is a kind of very successful full side flexibly Position wheel, has 4 this novel wheels to be combined, can be with more flexible convenient realization all-around mobile function;In the present embodiment Each Mecanum wheel group 21 is that independently drive is all driving wheel, and each Mecanum wheel group includes Mike as illustrated in the drawing The compositions such as Na Mu wheel 211, driving motor 212, shaft coupling 213, by controlling the steering of four Mecanum wheels 211 respectively and turning Speed cooperates the omnidirectional moving, it can be achieved that AGV (Automated Guided Vehicle), is so that 4 each Mikes in the present embodiment Na Mu wheel 211 keeps contacting simultaneously with ground, the Mecanum wheel group 21 of the preceding mobile mechanism 22 can opposed platforms shell 1 not It is swingable, and it is described after the Mecanum wheel group 21 of mobile mechanism 23 be equipped with installation set 24, the installation set 24 is towards Mike Suspension mechanism 25, the other end and platform hull 1 of the installation set 24 are equipped between one end and platform hull 1 of Na Mu wheel 211 Between by shaft bearing component 26 connect, can realize above-mentioned beneficial effect in this way, improve the passability of platform, walk When ground on have a little small injustice can also pass through.
The radar 3 preferably uses laser radar in the present embodiment, is arranged in platform hull 1, as shown in the figure , mobile mechanism 22 is front end before the platform hull 1 is corresponding, and mobile mechanism 23 is rear end after corresponding to, the laser thunder For scanning ambient enviroment on up to the front end that platform hull 1 is arranged in, scan data is transferred to operating system 8, is adopted based on above-mentioned With ROS robot development system, feasible route is calculated, can be realized the independent navigation function of platform.
The sensor 4 is arranged in platform hull 1 to be monitored for avoidance, realizes platform security protection on the move, this In embodiment, the sensor 4 preferably uses ultrasonic sensor, when ultrasonic sensor detects that barrier is less than safety By signal feedback operation system 8 after distance, operating system 8 is to issue the instruction for stopping continuing to move to control system, and separately count It calculates shiftable haulage line to issue, reaches independent navigation, the sensor 4 can be multiple along the laying of surrounding's different angle of platform hull 1, such as It is shown in figure, divide on front, left front and the direction of right front three on the front end side wall panel 12 of the platform hull 1 It is not laid with ultrasonic sensor, and its two sidewalls panel 12 and rear end sidewall panel 12 are also respectively equipped with ultrasonic sensor, To reach comprehensive monitoring, especially front end side wall panel 12 in the setting in three directions, in the mobile main side that advances The upward structure setting monitoring range is wide, and the advance for capableing of better security protection platform is mobile.
The present invention is used for robot developing platform functions expanding as the platform for facilitating secondary development, develops other function, Setting is for disposing the expansion objective table 5 for expanding equipment (carrying other workbench such as mechanical arm etc.), energy in platform hull 1 Enough facilitate the firm installation for expanding equipment, the objective table 5 of expanding includes the bottom being arranged in platform hull 1 as illustrated in the drawing Plate 51 installs the fixation aluminum profile 52 of connection with being arranged in for expanding equipment on bottom plate 51, fixed aluminum profile 52 shown in figure is Two of parallel interval setting, structure is simple, easy for installation, stable connection.
The connecting plate 6 of expanding is arranged in platform hull 1 for disposing connecting component (such as line connected for expanding equipment Road connection-peg etc., as user provide hardware electric appliance and support, reserve enough performance margins when to development platform electrical design, such as The equipment of user development, which can facilitate, goes electricity communication etc. by connector completion on expanding connecting plate 6, realizes the fast of expanding function Speed is built), as illustrated in the drawing, the connecting plate 6 of expanding is arranged on the bottom plate 51 for expanding objective table 5, the bottom plate 51 With the through-hole 511/13 for offering and passing through for connecting component is respectively corresponded in platform hull 1, the extension connecting plate 6 can directly pacify On through-hole 511 loaded on bottom plate 51, alternatively, can also be set up directly on the through-hole 13 of platform hull 1, such bottom plate 51 can not have to Through-hole 511 is set,
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.

Claims (10)

1. a kind of general omnidirectional's robot developing platform, it is characterised in that: including platform hull, omni-directional moving mechanism, radar, Sensor expands objective table, expands connecting plate, control system and operating system, and the omni-directional moving mechanism is arranged in platform The lower part of shell is used to support mobile entire platform and connects control system and is controlled by it, and the radar is arranged in platform hull For scanning ambient enviroment, the sensor is arranged in platform hull to be monitored for avoidance, and the expansion objective table setting exists Equipment is expanded for disposing in platform hull, the expansion connecting plate, which is arranged in platform hull, to be connected for disposing for expanding equipment The connecting component connect, action control of the control system for each equipment in control platform, the operating system is for managing With the robot for controlling entire platform and developing on the platform.
2. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the operating system uses ROS robot operating system.
3. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the sensor is ultrasound Wave sensor.
4. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the radar is laser thunder It reaches.
5. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the sensor is along platform Surrounding's different angle of shell is laid multiple.
6. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the expansion objective table packet It includes the bottom plate being arranged in platform hull and the fixation aluminum profile on bottom plate for expanding equipment installation connection is set.
7. a kind of general omnidirectional's robot developing platform as described in claim 1, it is characterised in that: the expansion connecting plate is set It sets on expanding objective table or platform hull, offers on the expansion objective table and platform hull and worn for connecting component respectively The through-hole crossed.
8. a kind of general omnidirectional's robot developing platform as described in claim 1-7 any one, it is characterised in that: described complete Orientation mobile mechanism includes the preceding mobile mechanism and rear mobile mechanism being mainly made of the Mecanum wheel group independently driven, described The Mecanum wheel group opposed platforms shell of preceding mobile mechanism is not swingable, sets in the Mecanum wheel group of the rear mobile mechanism There is an installation set, the installation set is towards being equipped with suspension mechanism, the installation set between one end and platform hull of Mecanum wheel The other end and platform hull between connected by shaft bearing component.
9. a kind of general omnidirectional's robot developing platform as claimed in claim 8, it is characterised in that: the platform hull is corresponding Preceding mobile mechanism is front end, and mobile mechanism is rear end after corresponding to, and the radar is arranged on the front end of platform hull.
10. a kind of general omnidirectional's robot developing platform as claimed in claim 9, it is characterised in that: the platform hull It is laid with sensor in front end side wall respectively on front, left front and the direction of right front three, the two of the platform hull Sensor is respectively equipped on side wall and rear end side wall.
CN201810758946.2A 2018-07-11 2018-07-11 A kind of general omnidirectional's robot developing platform Withdrawn CN108995739A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109703652A (en) * 2019-02-26 2019-05-03 安徽理工大学 A kind of Omni-mobile platform of foundry robot
CN110058518A (en) * 2019-04-04 2019-07-26 江苏大学 A kind of screw-pushing type mobile platform and its control method based on automatically controlled electricity drive
CN110293017A (en) * 2019-05-27 2019-10-01 张家港江苏科技大学产业技术研究院 A kind of Omni-mobile house ornamentation spray robot

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040019406A1 (en) * 2002-07-25 2004-01-29 Yulun Wang Medical tele-robotic system
KR20150010030A (en) * 2013-07-17 2015-01-28 삼성전자주식회사 Robot device for inspecting pipe line by using map matching and control method thereof
CN204847205U (en) * 2015-07-22 2015-12-09 新疆三力智能科技有限公司 Omnidirectional movement commodity circulation conveying platform
CN105479433A (en) * 2016-01-04 2016-04-13 江苏科技大学 Omnidirectional moving transfer robot with Mecanum wheels
CN205957998U (en) * 2016-08-22 2017-02-15 北京卫星环境工程研究所 Integration of satellite multi freedom is synthesized and is transferred appearance platform
CN107088869A (en) * 2017-04-20 2017-08-25 哈尔滨工业大学 A kind of modularization all directionally movable robot for environment sensing
CN108089587A (en) * 2018-02-02 2018-05-29 福建(泉州)哈工大工程技术研究院 A kind of Omni-mobile AGV of independent navigation
CN108146599A (en) * 2017-12-25 2018-06-12 西北工业大学 A kind of bionic mechanical jellyfish
CN208429172U (en) * 2018-07-11 2019-01-25 福建(泉州)哈工大工程技术研究院 A kind of general omnidirectional's robot developing platform

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040019406A1 (en) * 2002-07-25 2004-01-29 Yulun Wang Medical tele-robotic system
KR20150010030A (en) * 2013-07-17 2015-01-28 삼성전자주식회사 Robot device for inspecting pipe line by using map matching and control method thereof
CN204847205U (en) * 2015-07-22 2015-12-09 新疆三力智能科技有限公司 Omnidirectional movement commodity circulation conveying platform
CN105479433A (en) * 2016-01-04 2016-04-13 江苏科技大学 Omnidirectional moving transfer robot with Mecanum wheels
CN205957998U (en) * 2016-08-22 2017-02-15 北京卫星环境工程研究所 Integration of satellite multi freedom is synthesized and is transferred appearance platform
CN107088869A (en) * 2017-04-20 2017-08-25 哈尔滨工业大学 A kind of modularization all directionally movable robot for environment sensing
CN108146599A (en) * 2017-12-25 2018-06-12 西北工业大学 A kind of bionic mechanical jellyfish
CN108089587A (en) * 2018-02-02 2018-05-29 福建(泉州)哈工大工程技术研究院 A kind of Omni-mobile AGV of independent navigation
CN208429172U (en) * 2018-07-11 2019-01-25 福建(泉州)哈工大工程技术研究院 A kind of general omnidirectional's robot developing platform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109703652A (en) * 2019-02-26 2019-05-03 安徽理工大学 A kind of Omni-mobile platform of foundry robot
CN110058518A (en) * 2019-04-04 2019-07-26 江苏大学 A kind of screw-pushing type mobile platform and its control method based on automatically controlled electricity drive
CN110293017A (en) * 2019-05-27 2019-10-01 张家港江苏科技大学产业技术研究院 A kind of Omni-mobile house ornamentation spray robot

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