CN106020201A - Mobile robot 3D navigation and positioning system and navigation and positioning method - Google Patents
Mobile robot 3D navigation and positioning system and navigation and positioning method Download PDFInfo
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- CN106020201A CN106020201A CN201610549090.9A CN201610549090A CN106020201A CN 106020201 A CN106020201 A CN 106020201A CN 201610549090 A CN201610549090 A CN 201610549090A CN 106020201 A CN106020201 A CN 106020201A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0246—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using a video camera in combination with image processing means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0246—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using a video camera in combination with image processing means
- G05D1/0251—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using a video camera in combination with image processing means extracting 3D information from a plurality of images taken from different locations, e.g. stereo vision
Abstract
The invention relates to the field of positioning navigation, and particularly relates to a mobile robot 3D navigation and positioning system, which comprises a robot. The front end of the robot is provided with an image acquisition module; the robot is internally provided with a central processor, an MUC module, an image correction module, a path adjustment module and a robot walking and moving module; the central processor is connected with the image acquisition module; the central processor is in interactive connection with the MUC; and the MUC is respectively connected with the image correction module, the path adjustment module and the robot walking and moving module. The system and the method of the invention have the beneficial effects that the 3D camera is adopted as a data acquisition front end, the middle RGB camera is matched for environmental object recognition, mutual correction is carried out on data acquired by an infrared sensor, through the fusion technology between an encoder and an acceleration sensor, an environmental map is drawn in combination with an SLAM algorithm, and a set of navigation, positioning, ranging and path planning scheme for the mobile robot is designed.
Description
Technical field
The present invention relates to positioning and navigation field, espespecially a kind of mobile robot 3D navigation positioning system and navigation locating method.
Background technology
Current localization for Mobile Robot navigation field mainly or is navigated by magnetic stripe or uses 2D laser radar module to carry out navigator fix, is primarily present following shortcoming:
1. magnetic stripe navigation needs to stick magnetic stripe on travel route in advance, destroys the structure of original environment, and dumb.
2.2D range laser radar cannot complete the three dimensional depth visual performance of common front scanning radar.
3. the scene in approximately the same plane can only be scanned, and cannot be carried out barrier material identification.
4.2D range laser radar can only be one-line scanning, the most inevitably causes the missing inspection than more serious barrier and false phenomenon.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of mobile robot 3D navigation positioning system and navigation locating method.
For achieving the above object, the present invention adopts the following technical scheme that and is: a kind of mobile robot 3D navigation positioning system, including robot, described robot front end is provided with image capture module, central processing unit, MUC module, image modification module, path adjusting module and robot ambulation mobile module it is provided with in described robot, described central processing unit is connected with image capture module, described central processing unit and MUC connect alternately, described MUC is connected with image modification module, path adjusting module and robot ambulation mobile module respectively
Wherein, robot gathers data by image capture module and transmits to central processing unit and carry out the identification of environmental objects, MCU uploads to move distance calculating in central processing unit and position and plan track route by image modification module collection data simultaneously, the track route of described path adjusting module correction planning also controls robot ambulation mobile module data transmission to MUC, MUC and avoids run into barrier.
Preferably, described image capture module is 3D photographic head.
Preferably, described image capture module uses laser radar to carry out environmental data scanning.
Preferably, described image modification module includes that RGB photographic head and infrared sensor, described RGB photographic head and infrared sensor are connected with MUC input respectively.
Preferably, described path adjusting module includes that encoder and acceleration transducer, described encoder and acceleration transducer are connected with MUC input respectively.
Preferably, described robot ambulation mobile module includes two-wheel motor and is controlled the walking list of walking by two-wheel motor.Unit.
The operation principle of the present invention: the environmental data in 3D camera collection robot front also transmits the data collected to central processing unit, RGB photographic head carries out environmental objects identification and the environmental objects identification data after identifying is transmitted to central processing unit, now central processing unit combines RGB photographic head and mutually revises the data of environmental objects identification data with infrared sensor collection, central processing unit moves distance calculate and position and plan track route, if 3D camera collection has barrier to front in walking process, pass through encoder, the track route of the path adjusting module correction planning described in acceleration transducer also feeds back to MUC, central processing unit and MCU data interaction data also calculate the navigator fix of mobile robot, range finding, path planning route.
The navigation locating method of robot 3D navigation positioning system is moved in a kind of application, comprises the steps:
Step one: robot starts, by the 3D camera collection ambient data of robot front end, sends data to be analyzed processing in central processing unit, draws out surrounding map by SLAM algorithm;
Step 2: mapping complete after central processing unit be modeled calculating robot to map the route of each point, planning is movably walking route;
Step 3: central controller assigns instruction to MCU, move to appointed place, robot moving process constantly gathers data by 3D photographic head, carry out the identification of environmental objects, the data of capturing and coding device and acceleration transducer are uploaded to move distance calculating and location in central processing unit by MCU in real time simultaneously, and draw out a Real-time and Dynamic map among whole scan map again;
Step 4: central processing unit and MCU data interaction, obtain sensor and encoder feedback data, allow the robot to move among the environment of a dynamic change, data in conjunction with photographic head Yu sensor, adjusting two-wheel motor actuating speed, the track route revising planning avoids run into barrier;
Step 5: finally in the middle of dynamic map scanning runs, mobile robot, along the route cut-through thing of new planning, arrives at.Equipment is by removing original path planning and barrier afterwards, re-starts scanning, generates new map and route planning.
The beneficial effects of the present invention is: the present invention uses 3D photographic head as data acquisition front, RGB photographic head in the middle of coordinating carries out environmental objects identification, mutually revise with the data of infrared sensor collection, integration technology by encoder Yu acceleration transducer, environmental map is drawn in conjunction with SLAM algorithm, design the navigator fix of a set of mobile robot, range finding, path planning scheme, the present invention need not destroy the structure of original environment and walking is flexible, there is three dimensional depth vision, have and carry out barrier material identification function, there is not missing inspection and the false phenomenon of barrier.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is robot localization process flow schematic diagram.
Fig. 3 is that robot planning is movably walking route map.
Tu4Shi robot is movably walking and runs into the signal state diagram of barrier.
Tu5Shi robot programme path figure again.
Tu6Shi robot generates new map and route planning.
Detailed description of the invention
nullRefer to shown in Fig. 1-6,The present invention moves robot 3D navigation positioning system about one,Including robot,Described robot front end is provided with image capture module,It is provided with central processing unit in described robot、MUC module、Image modification module、Path adjusting module and robot ambulation mobile module,Described central processing unit is connected with image capture module,Described central processing unit and MUC connect alternately,Described MUC respectively with image modification module、Path adjusting module and robot ambulation mobile module connect,Wherein,Robot gathers data by image capture module and transmits to central processing unit and carry out the identification of environmental objects,MCU uploads to move distance calculating in central processing unit and position and plan track route by image modification module collection data simultaneously,The track route of described path adjusting module correction planning data transmission to MUC,MUC controls robot ambulation mobile module and avoids run into barrier.
Preferably, described image capture module is 3D photographic head.
Preferably, described image capture module uses laser radar to carry out environmental data scanning.
Preferably, described image modification module includes that RGB photographic head and infrared sensor, described RGB photographic head and infrared sensor are connected with MUC input respectively.
Preferably, described path adjusting module includes that encoder and acceleration transducer, described encoder and acceleration transducer are connected with MUC input respectively.
Preferably, described robot ambulation mobile module includes two-wheel motor and is controlled the walking unit of walking by two-wheel motor.
The operation principle of the present invention: the environmental data in 3D camera collection robot front also transmits the data collected to central processing unit, RGB photographic head carries out environmental objects identification and the environmental objects identification data after identifying is transmitted to central processing unit, now central processing unit combines RGB photographic head and mutually revises the data of environmental objects identification data with infrared sensor collection, central processing unit moves distance calculate and position and plan track route, if 3D camera collection has barrier to front in walking process, pass through encoder, the track route of the path adjusting module correction planning described in acceleration transducer also feeds back to MUC, central processing unit and MCU data interaction data also calculate the navigator fix of mobile robot, range finding, path planning route.
The navigation locating method of robot 3D navigation positioning system is moved in a kind of application, comprises the steps:
Step one: robot starts, by the 3D camera collection ambient data of robot front end, sends data to be analyzed processing in central processing unit, draws out surrounding map by SLAM algorithm;
Step 2: mapping complete after central processing unit be modeled calculating robot to map the route of each point, planning is movably walking route;
Step 3: central controller assigns instruction to MCU, move to appointed place, robot moving process constantly gathers data by 3D photographic head, carry out the identification of environmental objects, the data of capturing and coding device and acceleration transducer are uploaded to move distance calculating and location in central processing unit by MCU in real time simultaneously, and draw out a Real-time and Dynamic map among whole scan map again;
Step 4: central processing unit and MCU data interaction, obtain sensor and encoder feedback data, allow the robot to move among the environment of a dynamic change, data in conjunction with photographic head Yu sensor, adjusting two-wheel motor actuating speed, the track route revising planning avoids run into barrier;
Step 5: finally in the middle of dynamic map scanning runs, mobile robot, along the route cut-through thing of new planning, arrives at.Equipment is by removing original path planning and barrier afterwards, re-starts scanning, generates new map and route planning.
The beneficial effects of the present invention is: the present invention uses 3D photographic head as data acquisition front, RGB photographic head in the middle of coordinating carries out environmental objects identification, mutually revise with the data of infrared sensor collection, integration technology by encoder Yu acceleration transducer, environmental map is drawn in conjunction with SLAM algorithm, design the navigator fix of a set of mobile robot, range finding, path planning scheme, the present invention need not destroy the structure of original environment and walking is flexible, there is three dimensional depth vision, have and carry out barrier material identification function, there is not missing inspection and the false phenomenon of barrier.
Embodiment of above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (7)
- null1. a mobile robot 3D navigation positioning system,Including robot,It is characterized in that: described robot front end is provided with image capture module,It is provided with central processing unit in described robot、MUC module、Image modification module、Path adjusting module and robot ambulation mobile module,Described central processing unit is connected with image capture module,Described central processing unit and MUC connect alternately,Described MUC respectively with image modification module、Path adjusting module and robot ambulation mobile module connect,Wherein,Robot gathers data by image capture module and transmits to central processing unit and carry out the identification of environmental objects,MCU uploads to move distance calculating in central processing unit and position and plan track route by image modification module collection data simultaneously,The track route of described path adjusting module correction planning data transmission to MUC,MUC controls robot ambulation mobile module and avoids run into barrier.
- A kind of mobile robot the most according to claim 1 3D navigation positioning system, it is characterised in that: described image capture module is 3D photographic head.
- A kind of mobile robot the most according to claim 1 3D navigation positioning system, it is characterised in that: described image capture module uses laser radar to carry out environmental data scanning.
- A kind of mobile robot the most according to claim 1 3D navigation positioning system, it is characterised in that: described image modification module includes that RGB photographic head and infrared sensor, described RGB photographic head and infrared sensor are connected with MUC input respectively.
- A kind of mobile robot the most according to claim 1 3D navigation positioning system, it is characterised in that: described path adjusting module includes that encoder and acceleration transducer, described encoder and acceleration transducer are connected with MUC input respectively.
- A kind of mobile robot the most according to claim 1 3D navigation positioning system, it is characterised in that: described robot ambulation mobile module includes two-wheel motor and is controlled the walking unit of walking by two-wheel motor.
- 7. the navigation locating method applying mobile robot according to claim 1 3D navigation positioning system, it is characterised in that: comprise the steps:Step one: robot starts, by the 3D camera collection ambient data of robot front end, sends data to be analyzed processing in central processing unit, draws out surrounding map by SLAM algorithm;Step 2: mapping complete after central processing unit be modeled calculating robot to map the route of each point, planning is movably walking route;Step 3: central controller assigns instruction to MCU, move to appointed place, robot moving process constantly gathers data by 3D photographic head, carry out the identification of environmental objects, the data of capturing and coding device and acceleration transducer are uploaded to move distance calculating and location in central processing unit by MCU in real time simultaneously, and draw out a Real-time and Dynamic map among whole scan map again;Step 4: central processing unit and MCU data interaction, obtain sensor and encoder feedback data, allow the robot to move among the environment of a dynamic change, data in conjunction with photographic head Yu sensor, adjusting two-wheel motor actuating speed, the track route revising planning avoids run into barrier;Step 5: finally in the middle of dynamic map scanning runs, mobile robot, along the route cut-through thing of new planning, arrives at, and equipment is by removing original path planning and barrier afterwards, re-starts scanning, generates new map and route planning.
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CN113324543A (en) * | 2021-01-28 | 2021-08-31 | 山东硅步机器人技术有限公司 | Visual navigation routing inspection and obstacle avoidance method for inspection robot |
CN113712473A (en) * | 2021-07-28 | 2021-11-30 | 深圳甲壳虫智能有限公司 | Height calibration method and device and robot |
CN113749562A (en) * | 2021-08-13 | 2021-12-07 | 珠海格力电器股份有限公司 | Sweeping robot and control method, device, equipment and storage medium thereof |
CN113749562B (en) * | 2021-08-13 | 2022-08-16 | 珠海格力电器股份有限公司 | Sweeping robot and control method, device, equipment and storage medium thereof |
CN115880673A (en) * | 2023-02-22 | 2023-03-31 | 西南石油大学 | Obstacle avoidance method and system based on computer vision |
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