WO2017118000A1 - 机器人轮径补偿方法和装置 - Google Patents
机器人轮径补偿方法和装置 Download PDFInfo
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- WO2017118000A1 WO2017118000A1 PCT/CN2016/093113 CN2016093113W WO2017118000A1 WO 2017118000 A1 WO2017118000 A1 WO 2017118000A1 CN 2016093113 W CN2016093113 W CN 2016093113W WO 2017118000 A1 WO2017118000 A1 WO 2017118000A1
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- Prior art keywords
- robot
- position point
- wheel diameter
- tire
- deviation
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 94
- 238000006073 displacement reaction Methods 0.000 claims description 97
- 238000012937 correction Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 29
- 230000008569 process Effects 0.000 description 29
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- 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
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- 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
- G05D1/0234—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons
-
- 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
- B25J9/1692—Calibration of manipulator
-
- 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
-
- 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
- B25J19/06—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/007—Manipulators mounted on wheels or on carriages mounted on wheels
-
- 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
- B25J9/1602—Programme controls characterised by the control system, structure, architecture
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- 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
- G05D1/0268—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means
- G05D1/0272—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means comprising means for registering the travel distance, e.g. revolutions of wheels
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/006—Indicating maintenance
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
Definitions
- the present invention relates to the field of robot technology, and in particular, to a robot wheel diameter compensation method and device.
- the automated robot is a versatile integrated system that integrates environmental awareness, route planning, dynamic decision making, behavior control, and alarm modules to enable timed, mobile self-service. Automated robots can replace the manpower for goods transportation, handling, sorting, storage and packaging. Automated robots can greatly improve the efficiency of the logistics industry and reduce the cost of work.
- automated robots have also been widely used in the express sorting industry to replace the work of sorting and transporting people.
- the background server controls each robot to follow the control instructions to ensure that all robots in the site work in order.
- the robot determines the number of tire rotations required to travel from the current position point to another position point by the following steps, mainly: according to the distance traveled by the server from the current position point to another position point and pre-stored by itself
- the tire wheel diameter calculates the number of tire rotations required to travel from the current position point to another position point. Then, the robot walks to another position point according to the calculated number of tire rotation turns, but the robot travels for a long time, the robot's
- the running process causes the tire to wear out, and the calculated number of tire rotations will have a large error.
- the inventors have found that at least the following problems exist in the related art: Since the tire wears during the use of the robot, the actual wheel diameter has a certain deviation from the pre-stored tire wheel diameter, and thus is pre-stored by itself.
- the tire wheel diameter calculation has the low accuracy of the number of tire rotations required for the robot to travel from the current position point to another position point. On the one hand, the robot's walking distance accuracy is low, which makes it impossible to accurately position the robot, even On the other hand, when the tire of the robot wears to a certain extent, it is prone to travel errors and collide with other robots.
- the present invention provides a robot wheel diameter compensation method and device to solve the problem that the robot has a low walking distance due to the presence of tire friction during the walking of the robot, thereby failing to achieve accurate positioning of the robot and collision between the robots.
- the problem when the robot tire wears to a certain extent, can prompt to replace the tire, further alleviating the collision between the robots.
- an embodiment of the present invention provides a method for compensating a wheel diameter of a robot, where the method includes: a robot that is located at a first position in the work site receives a travel command sent by the server, the travel command instructs the robot to travel to a second location point, wherein the work site is provided with a plurality of location points, the travel instruction And including a distance between the first location point and the second location point and a direction of travel of the second location point relative to the first location point;
- the robot acquires a walking deviation corresponding to the second position point from the first position point, and the walking deviation is a difference between a theoretical distance and an actual distance corresponding to the actual number of revolutions of the robot tire;
- the robot corrects its current wheel diameter based on the distance between the first position point and the second position point and the walking deviation.
- the embodiment of the present invention provides the first possible implementation manner of the first aspect, wherein the acquiring, by the robot, the walking deviation corresponding to the second position point from the first position point, includes: The robot acquires a first displacement deviation between the robot and the first position point, and walks to the second position point according to the distance and the traveling direction in the driving instruction;
- the robot When the robot walks to the second position point, the robot acquires a second displacement deviation between itself and the second position point;
- the robot calculates the walking deviation corresponding to the second position point from the first position point to the second position point based on the first displacement deviation and the second displacement deviation.
- an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the robot is based on a distance between the first location point and the second location point and the walking deviation Fix your current current wheel diameter, including:
- the robot calculates its own unit distance walking deviation according to the distance between the first position point and the second position point and the walking deviation;
- the robot searches for a wheel diameter compensation value corresponding to the unit distance walking deviation in a preset list
- the robot corrects its current wheel diameter based on the found wheel diameter compensation value.
- an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the robot is based on a distance between the first location point and the second location point and the walking deviation Correcting the current wheel diameter of the robot, including:
- the robot determines the number of rotations of the first tire according to the distance between the first position point and the second position point and the pre-existing current wheel diameter
- the robot determines the second number of rotations of the second tire according to the distance between the first position point and the second position point, the walking deviation, and the corrected current wheel diameter;
- the robot calculates the corrected current wheel diameter by using the relationship between the number of rotations of the first tire and the number of rotations of the second tire, and updates the current wheel diameter of the current wheel diameter by using the corrected current wheel diameter .
- the embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the method further includes:
- the robot calculates a required number of tire rotations to go to the second position point according to the second displacement deviation between itself and the second position point;
- the robot is controlled to travel to the second position point in accordance with the required number of rotations of the tire to correct the final position of the robot.
- the embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where The method further includes: determining whether the robot needs to replace the tire according to the corrected current wheel diameter, and performing the tire replacement warning when determining that the robot needs to replace the tire.
- the embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein determining, according to the corrected current wheel diameter, whether the robot needs to replace the tire, includes:
- an embodiment of the present invention provides a robot wheel diameter compensation device, where the device includes: a receiving module, configured to receive a driving instruction sent by a server, where the driving instruction instructs the robot to walk from a first position to a second position point, wherein a plurality of position points are disposed in the work site, and the driving instruction includes a distance between the first position point and the second position point and the second position point is relative to a direction of travel of the first location point;
- a walking deviation calculation module configured to acquire a walking deviation corresponding to walking from the first position point to the second position point, where the walking deviation is a difference between a theoretical distance and an actual distance corresponding to the actual number of rotations of the robot tire ;
- a correction module configured to correct a current wheel diameter of the robot according to a distance between the first position point and the second position point and the walking deviation.
- the embodiment of the present invention provides the first possible implementation manner of the second aspect, where the walking deviation calculation module includes:
- a first acquiring unit configured to acquire a first displacement deviation between the robot and the first position point, and walk to the second position point according to the distance and the traveling direction in the driving instruction ;
- a second acquiring unit configured to acquire a second displacement deviation between the robot and the second position point when the robot walks to the second position point
- a walking deviation calculating unit configured to calculate, according to the first displacement deviation and the second displacement deviation, the walking deviation corresponding to the robot walking from the first position point to the second position point.
- the embodiment of the present invention provides a second possible implementation manner of the second aspect, where the modifying module includes:
- a unit distance deviation calculation subunit configured to calculate a unit distance walking deviation of the robot according to a distance between the first position point and the second position point and the walking deviation;
- a wheel diameter compensation value finding subunit configured to find a wheel diameter compensation value corresponding to the unit distance walking deviation in a preset list
- the current wheel diameter correction subunit is configured to correct the current wheel diameter of the robot according to the found wheel diameter compensation value.
- the embodiment of the present invention provides a third possible implementation manner of the second aspect, where the modifying module includes:
- a first determining subunit configured to determine a first tire rotation number of the robot according to a distance between the first position point and the second position point and a pre-stored current wheel diameter
- a second determining subunit configured to: according to a distance between the first location point and the second location point, Determining a walking deviation, and a corrected current wheel diameter, determining a second tire rotation number of the robot; a current wheel diameter update subunit for utilizing the first tire rotation number and the second tire rotation circle The equal number of relationships is calculated, and the corrected current wheel diameter is calculated, and the current wheel diameter of the robot is updated by using the corrected current wheel diameter.
- the embodiment of the present invention provides a fourth possible implementation manner of the second aspect, where the device further includes:
- a compensation rotation number calculation module configured to calculate, according to the second displacement deviation between the robot and the second position point, a required number of rotations of the tire to the second position point;
- a control module configured to control the robot to walk to the second position point according to the number of rotations of the tire, thereby correcting a final position of the robot.
- the embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the device further includes:
- the judging module is configured to judge whether the robot needs to replace the tire according to the corrected current wheel diameter, and when the robot is required to replace the tire, perform a tire replacement warning.
- the embodiment of the present invention provides a sixth possible implementation manner of the second aspect, where the determining module includes:
- a first determining unit configured to determine whether the corrected current wheel diameter reaches a preset wheel diameter range, and if yes, determining that the robot needs to replace the tire
- the second determining unit is configured to determine whether the difference between the corrected current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold, and if yes, determine that the robot needs to replace the tire.
- an embodiment of the present invention provides another method for compensating a wheel diameter of a robot, the method comprising: acquiring a walking deviation corresponding to a robot walking from a first position point to a second position point in a work site, and the first a distance between the position point and the second position point; wherein, the work site is provided with a plurality of position points, wherein the walking deviation is a difference between a theoretical distance and an actual distance corresponding to the actual number of revolutions of the robot tire;
- the embodiment of the present invention provides the first possible implementation manner of the third aspect, wherein: the walking deviation of the acquiring robot from the first position point to the second position point in the work site includes:
- the embodiment of the present invention provides the second possible implementation manner of the third aspect, wherein the updating the location according to the distance between the first location point and the second location point and the walking deviation
- the current wheel diameter of the robot including:
- the embodiment of the present invention provides a third possible implementation manner of the third aspect, wherein the updating the location according to the distance between the first location point and the second location point and the walking deviation
- the current wheel diameter of the robot including:
- the updated wheel diameter of the robot is calculated by the relationship between the number of rotations of the first tire and the number of rotations of the second tire.
- the embodiment of the present invention provides a fourth possible implementation manner of the third aspect, further comprising: determining, according to the updated current wheel diameter, whether the robot needs to replace the tire, when determining that the robot needs When replacing tires, perform tire replacement warning.
- the embodiment of the present invention provides a fifth possible implementation manner of the third aspect, wherein determining, according to the updated current wheel diameter, whether the robot needs to replace the tire, includes:
- an embodiment of the present invention provides another robot wheel diameter compensation device, where the device includes: an acquisition module, configured to acquire a walking deviation corresponding to a robot walking from a first position point to a second position point in a work site And a distance between the first location point and the second location point; wherein, the working site is provided with a plurality of location points, where the walking deviation is a theoretical distance and actual distance corresponding to the actual number of revolutions of the robot tire The difference in distance;
- a wheel diameter updating module configured to update a current wheel diameter of the robot according to a distance between the first position point and the second position point and the traveling deviation.
- the embodiment of the present invention provides the first possible implementation manner of the fourth aspect, where the acquiring module includes:
- a displacement deviation receiving unit configured to receive a first displacement deviation between the first position point and the reported position when the robot is located at the first position point, and report the a second displacement deviation between the second position points;
- the walking deviation calculating unit is configured to calculate, according to the first displacement deviation and the second displacement deviation, a walking deviation corresponding to the robot walking from the first position point to the second position point.
- the embodiment of the present invention provides a second possible implementation manner of the fourth aspect, where the wheel diameter update module includes: a unit distance walking deviation calculating unit, configured to calculate a unit distance walking deviation according to the unit distance walking deviation calculating unit according to the distance between the first position point and the second position point and the walking deviation ;
- a wheel diameter compensation value searching unit configured to search, in a preset list, a wheel diameter compensation value corresponding to a unit distance deviation of the robot
- the current wheel diameter updating unit is configured to update the current wheel diameter of the robot according to the wheel diameter compensation value obtained by the searching.
- the embodiment of the present invention provides a third possible implementation manner of the fourth aspect, where the wheel diameter update module includes:
- a first determining unit configured to determine a first tire rotation number of the robot according to a distance between the first position point and the second position point and a current wheel diameter of the robot
- a second determining unit configured to determine a second tire rotation circle of the robot according to a distance between the first position point and the second position point, the walking deviation, and an updated wheel diameter of the robot
- the wheel diameter calculation unit is configured to calculate the updated wheel diameter of the robot by using the relationship between the number of rotations of the first tire and the number of rotations of the second tire.
- the embodiment of the present invention provides a fourth possible implementation manner of the fourth aspect, where the device further includes:
- the judging module is configured to judge whether the robot needs to replace the tire according to the updated current wheel diameter, and when determining that the robot needs to replace the tire, perform a tire replacement warning.
- the embodiment of the present invention provides a fifth possible implementation manner of the fourth aspect, where the determining module includes:
- a first determining unit configured to determine whether the updated current wheel diameter reaches a preset wheel diameter range, and if yes, determining that the robot needs to replace the tire
- the second determining unit is configured to determine whether the difference between the updated current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold, and if yes, determine that the robot needs to replace the tire.
- the robot located at the first position point in the work site receives the driving instruction sent by the server, and the driving instruction instructs the robot to walk to the second position point, wherein the working site is provided with a plurality of position points, and the driving The command includes a distance between the first position point and the second position point and a traveling direction of the second position point relative to the first position point; the robot acquires a walking deviation corresponding to the walking from the first position point to the second position point, the walking deviation The difference between the theoretical distance and the actual distance corresponding to the actual number of revolutions of the robot tire; the robot corrects the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation; or acquires the point from the first position of the robot The walking deviation corresponding to the second position point and the distance between the first position point and the second position point are corrected, and then the current wheel diameter of the robot is corrected according to the distance between the first position point and the second position point and the walking deviation.
- the walking deviation of the robot from the first position point to the second position point in the work site and the distance between the first position point and the second position point are obtained; wherein, the working site is provided with a plurality of position points
- the walking deviation is the difference between the theoretical distance and the actual distance corresponding to the actual number of revolutions of the robot tire; and the current wheel diameter of the robot is updated according to the distance between the first position point and the second position point and the walking deviation.
- FIG. 1 is a flow chart of a method for compensating a wheel diameter of a robot according to Embodiment 1 of the present invention
- FIG. 2 is a schematic structural view of a wheel diameter compensating device for a robot according to Embodiment 2 of the present invention
- a first schematic flowchart of another robot wheel diameter compensation method according to Embodiment 3 of the present invention is shown;
- FIG. 4 is a second schematic flow chart showing another robot wheel diameter compensation method according to Embodiment 3 of the present invention.
- Fig. 5 is a view showing the first structure of another robot wheel diameter compensating device according to Embodiment 4 of the present invention.
- Fig. 6 is a view showing a second configuration of another robot wheel diameter compensating device according to a fourth embodiment of the present invention.
- the present invention provides a method and device for compensating the wheel diameter of the robot.
- the tire is compensated, the accuracy of the robot's driving distance is improved, and the accurate positioning of the robot is realized.
- the tire wears to a certain extent, the tire can be prompted to be replaced, thereby alleviating the prior art due to the robot tire.
- a problem of wear and collision with other robots The following is a detailed description in conjunction with the embodiments.
- FIG. 1 is a flowchart of a method for compensating a wheel diameter of a robot according to an embodiment of the present invention.
- the execution body of the method is located in a robot.
- the method includes steps 102-106, as follows:
- a robot that is located at a first position in the work site receives a travel command sent by the server, where the travel command instructs the robot to travel to a second location, wherein the work site is provided with a plurality of location points, and the driving instruction includes the foregoing a distance between the first position point and the second position point and the second a traveling direction of the position point relative to the first position point;
- the robot acquires a walking deviation corresponding to the second position point from the first position point, where the walking deviation is a difference between the theoretical distance and the actual distance corresponding to the actual number of revolutions of the robot tire;
- the robot corrects its current wheel diameter according to the distance between the first position point and the second position point and the walking deviation.
- the server delivers the walking distance and the traveling direction from the first position point in the work site to the second position point in the designated position point to the robot.
- the robot acquires the walking deviation corresponding to the walking from the first position point to the second position point, and includes the following process: (1) the first displacement deviation between the robot and the first position point is acquired by the robot And walking to the second position point according to the above distance in the driving instruction and the traveling direction, wherein the first displacement deviation is obtained by: when the robot is in the first position, the robot passes the optical at the bottom
- the identifier collects an optical identification code corresponding to the first location point.
- the center of the image represents the center of the position of the robot.
- the robot identifies the center of the optical identification code in the acquired image, and determines the distance between the center of the optical identification code and the center of the image, thereby determining the first displacement deviation between itself and the first position point; (2) When the robot walks to the second position point, the robot acquires a second displacement deviation between itself and the second position point; wherein the second displacement deviation is acquired by the same manner as the first displacement deviation; (3) The robot calculates a walking deviation corresponding to the second position point from the first position point to the second position point based on the first displacement deviation and the second displacement deviation.
- the field in which the robot works is divided into a plurality of grids of equal areas in a tabular form, and each grid serves as a position point.
- An optical identification code is provided in each of the grids, the center of the optical identification code coincides with the center of the corresponding position point, and the optical identification code may be a two-dimensional code.
- the bottom of the robot is provided with an optical identifier for identifying an optical identification code, which may be a camera.
- the robot acquires the optical identification code corresponding to the first position point through the optical identifier at the bottom.
- the center of the image represents the center of the position of the robot.
- the robot identifies the center of the optical identification code in the acquired image, and determines the distance between the center of the optical identification code and the center of the image, thereby determining the first displacement deviation between itself and the first position point, and A displacement deviation is stored.
- the robot determines the second displacement deviation between itself and the second position point in the same manner, and stores the second displacement deviation.
- the robot calculates the walking corresponding to the distance from the first position point to the second position point according to the first displacement deviation, the second displacement deviation, and the distance between the first position point and the second position point. deviation.
- the robot walks from the first position point to the second position.
- the corresponding deviation of the point is -5 cm, that is, the robot moves 5 cm less.
- the specific calculation process of correcting the current wheel diameter is performed by the robot, acquiring the first displacement deviation and acquiring the second displacement deviation and according to the first displacement deviation and the second displacement deviation.
- the distance between the first position point and the second position point is calculated to be that the walking deviation corresponding to the second position point is performed on the robot side, and the server is only responsible for issuing the driving instruction to the corresponding robot. Therefore, the server has a small amount of computation, especially for the same server to control multiple machines. Human work scene.
- the method specifically includes: (1) the robot calculates its own unit distance walking deviation according to the distance between the first position point and the second position point and the walking deviation; (2) the robot finds in the preset list. The wheel diameter compensation value corresponding to the walking deviation per unit distance; (3) The robot corrects its current wheel diameter based on the found wheel diameter compensation value.
- the walking deviation of the robot is 5 cm
- the distance between the first position point and the second position point is 5 meters
- 5 position spacing is taken as an example
- the unit distance walking of the robot can be calculated through the above process (1)
- the deviation is 5 cm to 5 m, that is, 1 cm per meter
- the value is 0.01, or 1 centimeter deviation from each position.
- a corresponding list of the unit distance walking deviation and the wheel diameter compensation value is pre-set in the robot, taking the unit distance walking deviation 0.011 as an example, or taking the position spacing deviation of 1 cm as an example, The list can be found to get a wheel diameter compensation of 2 cm.
- the process (2) may also determine the wheel diameter compensation value by using a preset value judgment.
- the wheel diameter compensation value is 5 cm, and the unit distance travel deviation is less than or equal to 0.
- the wheel diameter compensation value is 2 cm.
- the current wheel diameter of the robot can be utilized by taking the wheel diameter compensation value of 2 cm and the current wheel diameter of the robot as 28 cm. Corrected to 26 cm.
- the robot determines the wheel diameter compensation value by means of table lookup, and has the advantages of simple operation and small amount of server calculation, and is particularly suitable for the case where the same server controls a large number of robots.
- the robot corrects the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation. It can also be realized by the following process: (1) The robot determines its own first tire rotation number according to the distance between the first position point and the second position point and the pre-stored current wheel diameter; (2) the robot according to the first position point The distance from the second position point, the deviation of the walking, and the corrected wheel diameter determine the number of rotations of the second tire; (3) the robot uses the relationship between the number of rotations of the first tire and the number of rotations of the second tire, The corrected wheel diameter is calculated, and the current wheel diameter is updated by using the corrected wheel diameter.
- M denote the distance between the first position point and the second position point
- Y denote the walking deviation of the robot
- R0 denotes the current wheel diameter of the robot (ie, the current wheel diameter pre-stored)
- R1 denotes the corrected wheel diameter of the robot.
- pi is the pi. It can be known that M is the theoretical walking distance of the robot and M+Y is the actual walking distance of the robot. Since the principle of robot walking is based on the theoretical walking distance of the robot and the current wheel diameter of the robot, the number of rotations of the tire of the robot is calculated, and the robot moves according to the number of turns, so the robot moves from the first position point to the second position point.
- the corrected wheel diameter of the robot can be accurately calculated, thereby accurately correcting the wheel diameter of the robot.
- the above method further includes:
- the robot calculates a number of tire rotations required to travel to the second position point according to the second displacement deviation between itself and the second position point;
- the robot moves to the second position point according to the required number of rotations of the tire, thereby correcting The final position of the robot.
- the robot acquires the optical identification code corresponding to the second position point through the optical identifier of the bottom, and determines the distance between the center of the optical identification code and the image center of the collected second position point. That is, the second displacement deviation between itself and the second position point, when the second displacement deviation is X cm and the center of the optical identification code is in front of the image center of the second position point in the traveling direction, the robot needs to walk It is only possible for the X cm to be accurately positioned to the center of the second position point. At this time, it is necessary to calculate the number of rotations of the tire reaching the center of the second position point, so that the robot continues to walk to the second position point. In the embodiment of the present invention, the robot positioning is made more accurate by adopting the robot to continue walking to the center of the second position point.
- the method further includes: determining whether the robot needs to replace the tire according to the corrected current wheel diameter, specifically comprising: (1) determining whether the corrected current wheel diameter reaches a preset wheel diameter range, if Yes, determine that the robot needs to replace the tire; or, (2) determine whether the difference between the corrected current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold, and if so, determine that the robot needs to replace the tire. For example, when the wheel diameter of the robot is worn to 25 cm, or the difference between the current wheel diameter of the robot and the initial wheel diameter of the robot exceeds 5 cm, it is determined that the robot needs to change the tire. In the present embodiment, it is possible to quickly and easily determine whether or not the tire of the robot needs to be replaced by the processes (1) and (2), thereby avoiding collision with other robots due to severe wear of the robot tire.
- the tire replacement warning when it is judged that the robot needs to replace the tire, the tire replacement warning is performed, and the tire replacement warning information may be displayed through the display, or the tire replacement warning information may be sent to the staff's mobile phone.
- the method provided in this embodiment adopts the method of automatically compensating for the wheel diameter, thereby improving the accuracy of the robot travel distance, thereby realizing accurate positioning of the robot; and further, two ways of correcting the current wheel diameter of the robot are given.
- the kind of determining the wheel diameter compensation value by means of look-up table has the advantages of simple operation and small amount of server calculation, especially suitable for the case where the same server controls a large number of robots, and the other is based on the theoretical rotation number and actuality of the robot tire.
- the principle of equal number of turns can accurately calculate the updated wheel diameter of the robot, thus accurately updating the wheel diameter of the robot.
- the robot can determine whether it needs to change the tires, effectively preventing the cause.
- the robot malfunction caused by the wear of the robot tires improves the smoothness of the overall robot operation, improves the safety of the robot operation, and ensures the safety of a large number of robots.
- the present embodiment provides a robot wheel diameter compensation device, wherein the device can be disposed in the robot.
- the device includes: a receiving module 202,
- the driving instruction is used to receive the driving command sent by the server, and the driving instruction indicates that the robot travels from the first position point to the second position point, wherein the working site is provided with a plurality of position points, and the driving instruction includes the first position point to the second position point The distance between the second position and the direction of travel of the second position point relative to the first position point;
- the travel deviation calculation module 204 is configured to acquire a walking deviation corresponding to the point from the first position point to the second position point, where the walking deviation is the actual robot tire The difference between the theoretical distance and the actual distance corresponding to the number of revolutions;
- the correction module 206 is configured to correct the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation.
- the walking deviation calculation module 204 includes:
- a first acquiring module configured to acquire a first displacement deviation between the robot and the first position point, and walk to the second position point according to the distance in the driving instruction and the traveling direction;
- a second acquiring module configured to: when the robot walks to the second position point, acquire a second displacement deviation between the robot and the second position point;
- the walking deviation calculating unit is configured to calculate, according to the first displacement deviation and the second displacement deviation, the walking deviation corresponding to the robot walking from the first position point to the second position point.
- correction module 206 includes:
- a unit distance deviation calculation subunit configured to calculate a unit distance walking deviation of the robot according to a distance between the first position point and the second position point and the walking deviation;
- a wheel diameter compensation value finding subunit configured to search for a wheel diameter compensation value corresponding to the unit distance walking deviation in the preset list
- the current wheel diameter correction subunit is configured to correct the current wheel diameter of the robot according to the found wheel diameter compensation value.
- correction module 206 includes:
- a first determining subunit configured to determine a first tire rotation number of the robot according to a distance between the first position point and the second position point and a pre-stored current wheel diameter
- a second determining subunit configured to determine a second tire rotation number of the robot according to a distance between the first position point and the second position point, the walking deviation, and the corrected current wheel diameter
- the current wheel diameter update subunit is configured to calculate the current wheel diameter after the correction by using the relationship between the number of rotations of the first tire and the number of rotations of the second tire, and update the current wheel diameter of the robot by using the current wheel diameter.
- the above apparatus further includes:
- a compensation rotation number calculation module configured to calculate a required number of rotations of the tire to travel to the second position point according to the second displacement deviation between the robot and the second position point;
- the control module is configured to control the robot to walk to the second position point according to the required number of rotations of the tire, thereby correcting the final position of the robot.
- the above apparatus further includes:
- the judging module is configured to judge whether the robot needs to replace the tire according to the corrected current wheel diameter, and when the robot needs to replace the tire, perform the tire replacement warning.
- the foregoing determining module includes:
- a first determining unit configured to determine whether the corrected current wheel diameter reaches a preset wheel diameter range, and if so, determining that the robot needs to replace the tire
- the second determining unit is configured to determine whether the difference between the corrected current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold. If yes, it is determined that the robot needs to replace the tire.
- the first judging unit and the second judging unit can easily and quickly determine whether it is necessary to replace the tire of the robot, thereby avoiding collision with other robots due to severe wear of the robot.
- the robot wheel diameter compensation device provided by the embodiment of the present invention may be specific hardware on the device or software or firmware installed on the device.
- the implementation principle and the technical effects of the device provided by the embodiments of the present invention are the same as those of the foregoing method embodiments.
- the device embodiment is not mentioned, reference may be made to the corresponding content in the foregoing method embodiments.
- a person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the foregoing system, the device and the unit can refer to the corresponding processes in the foregoing method embodiments, and details are not described herein again.
- FIG. 1 is a schematic diagram of a first flow chart of another method for compensating a wheel diameter of a robot according to an embodiment of the present invention.
- the execution body of the method may be a background server for controlling the operation of the robot.
- the method includes at least the following steps:
- Step 302 Acquire a walking deviation corresponding to the robot walking from the first position point to the second position point in the work site, and a distance between the first position point and the second position point; wherein, the working site is provided with multiple positions Point, the running deviation is the difference between the theoretical distance and the actual distance corresponding to the actual number of revolutions of the robot tire; Step 304, updating the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation.
- the server acquires the walking deviation corresponding to the robot walking from the first position point to the second position point in the work site, and can have various implementation manners.
- the distance S1 between the first location point and the second location point is pre-stored in the server.
- the robot reports the actual walking distance S2 to the server, and the server according to the SI.
- S2 can calculate the walking deviation of the robot.
- the walking deviation of the robot from the first position point to the second position point in the work site is included, and the following process is included: (1) the receiving robot is reported and located at the first position point.
- the field in which the robot works is divided into a plurality of equal-sized grids in the form of a table, and each grid serves as a position point.
- An optical identification code is provided in each of the grids, the center of the optical identification code coincides with the center of the corresponding position point, and the optical identification code may be a two-dimensional code.
- the bottom of the robot is provided with an optical identifier for identifying the optical identification code, which may be a camera.
- the robot acquires the optical identification code corresponding to the first position point through the optical identifier at the bottom.
- the center of the image represents the center of the position of the robot.
- the robot identifies the center of the optical identification code in the acquired image, and determines the distance between the center of the optical identification code and the center of the image, thereby determining the first displacement deviation between itself and the first position point, and A displacement deviation is reported to the server.
- the robot determines the second displacement deviation between itself and the second position point in the same manner and reports it to the server.
- the server calculates the first displacement deviation and the second displacement deviation, and determines the walking deviation of the robot from the first position point to the second position point.
- the server can receive the first displacement deviation and the second displacement deviation reported by the robot, and accurately calculate the walking deviation of the robot based on the first displacement deviation and the second displacement deviation.
- the server has a small amount of computation, especially for the same server to control the working scene of multiple robots.
- the server also obtains the distance between the first location point and the second location point.
- the server in this embodiment can obtain the following manner.
- the distance between the first location point and the second location point the server numbers each location point in advance, and pre-stores location information corresponding to each location point; the robot reports the sequence number of the first location point and the second location point to the server The sequence number may be performed when the first displacement deviation and the second displacement deviation are reported to the server; the server determines the location information of the first location point according to the sequence number of the first location point, and determines the second location according to the sequence number of the second location point.
- Position information of the position point determines the distance between the first position point and the second position point.
- the distance between the first location point and the second location point can be expressed by a physical unit such as meters, and can also be represented by a spacing position interval, such as a distance between the first location point and the second location point of 5 meters.
- the first position point is the 1st position point
- the second position point is the 6th position point
- the distance between the two is 5 positions.
- the distance between the first location point and the second location point is obtained by acquiring the location point number, which has the advantages of small calculation amount of the server and simple and convenient implementation.
- the server updates the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation, and specifically includes: (1) according to the distance between the first position point and the second position point and walking Deviation calculates the unit distance travel deviation of the robot; (2) Finds the wheel diameter compensation value corresponding to the unit distance travel deviation of the robot in the preset list; (3) Updates the current wheel diameter of the robot according to the wheel diameter compensation value obtained by the search. .
- the walking deviation of the robot is 5 cm
- the distance between the first position point and the second position point is 5 meters
- 5 position spacing is taken as an example
- the unit distance walking of the robot can be calculated through the above process (1)
- the deviation is 5 cm to 5 m, that is, 1 cm per meter
- the value is 0.01, or 1 centimeter deviation from each position.
- a corresponding list of the unit distance walking deviation and the wheel diameter compensation value is pre-set in the server, taking the unit distance walking deviation 0.01 as an example, or taking the position deviation of each position by 1 cm as an example, The list can be found to get a wheel diameter compensation of 2 cm.
- the process (2) may also determine the wheel diameter compensation value by using a preset value judgment.
- the wheel diameter compensation value is 5 cm, and the unit distance travel deviation is less than or equal to 0.
- the wheel diameter compensation value is 2 cm.
- the current wheel diameter of the robot can be utilized by taking the wheel diameter compensation value of 2 cm and the current wheel diameter of the robot as 28 cm. Updated to 26 cm.
- determining the wheel diameter compensation value by means of table look has the advantages of simple operation and small amount of server calculation, and is particularly suitable for the case where the same server controls a large number of robots.
- the server updates the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation. It can also be realized by the following process: (1) determining the number of rotations of the first tire of the robot according to the distance between the first position point and the second position point and the current wheel diameter of the robot; (2) according to the first position point and the first position The distance between the two position points, the deviation of the walking, and the wheel diameter after the robot is updated, determine the number of rotations of the second tire of the robot; (3) Calculate the relationship between the number of rotations of the first tire and the number of rotations of the second tire, Get the updated wheel diameter of the robot.
- M denote the distance between the first position point and the second position point
- Y denote the walking deviation of the robot
- R0 denotes the current wheel diameter of the robot (ie, the current wheel diameter pre-stored)
- R1 denotes the updated wheel diameter of the robot.
- pi is the pi.
- the updated wheel diameter of the robot can be accurately calculated to accurately update the wheel diameter of the robot.
- the method further includes, in step 306, determining whether the robot needs to replace the tire according to the updated current wheel diameter, and performing the tire replacement warning when determining that the robot needs to replace the tire.
- determining whether the robot needs to replace the tire according to the updated current wheel diameter specifically includes: (1) determining whether the updated current wheel diameter reaches a preset wheel diameter range, and if so, determining that the robot needs to replace the tire; Or, (2) determining whether the difference between the updated current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold, and if so, determining that the robot needs to replace the tire.
- the wheel diameter of the robot when the wheel diameter of the robot is worn to 25 cm, or the difference between the current wheel diameter of the robot and the initial wheel diameter of the robot exceeds 5 cm, it is determined that the robot needs to change the tire.
- the tire replacement warning when it is judged that the robot needs to replace the tire, the tire replacement warning is performed, and the tire replacement warning information may be displayed through the display, or the tire replacement warning information may be sent to the staff's mobile phone.
- the method provided in this embodiment can be applied to a work scene in which a large number of robots are controlled by one server, and the server controls the work of each robot in the same manner, and updates the wheel diameter of each robot to realize accurate positioning of the robot;
- Two ways to update the current wheel diameter are given.
- One is to determine the wheel diameter compensation value by means of table lookup, which has the advantages of simple operation and less server operation. It is especially suitable for the same server to control a large number of robots.
- the updated wheel diameter of the robot can be accurately calculated, thereby accurately updating the wheel diameter of the robot; the server controls the tire update.
- the method in the embodiment can effectively prevent the robot malfunction caused by the wear of the robot tire, improve the fluency of the overall robot operation, and improve the safety of the robot operation, and ensure A large number of robots work safely.
- the method includes:
- Step 311 When the robot is located at the first location point, report the first displacement deviation between itself and the first location point to the server, and report the sequence number of the first location point;
- Step 312 When the robot is located at the second location point, report the second displacement deviation between itself and the second location point to the server, and report the sequence number of the second location point;
- Step 313 the server receives the first displacement deviation and the second displacement deviation reported by the robot, and the sequence number of the first location point and the sequence number of the second location point;
- Step 314 the server calculates the walking deviation of the robot according to the first displacement deviation and the second displacement deviation, and calculates the first according to the serial number of the first position point and the serial number of the second position point and the position information of each position point stored in advance. The distance between the location point and the second location point;
- Step 315 The server updates the current wheel diameter of the robot according to the distance between the first position point and the second position point and the walking deviation.
- the specific updating method may be updated by using the foregoing table lookup method, or may be The way the calculation is updated;
- Step 316 the server determines whether the robot needs to replace the tire according to the updated current wheel diameter. If yes, step 317 is performed; otherwise, return to step 311;
- Step 317 the server displays the tire replacement warning information through the display screen.
- the accuracy of the robot travel distance due to wear of the robot tire can be effectively prevented, the position cannot be accurately positioned or even faulty, the fluency and accuracy of the overall robot operation can be improved, and the robot operation can be improved.
- the safety guarantees the safety of a large number of robots.
- an embodiment of the present invention further provides another robot wheel diameter compensation device for performing the above-described another robot wheel diameter compensation method.
- Another robot wheel diameter compensating device in this embodiment can be disposed in a server that controls the operation of the robot.
- another robot wheel diameter compensation device in this embodiment includes:
- the obtaining module 41 is configured to acquire a walking deviation corresponding to the robot walking from the first position point to the second position point in the work site, and a distance between the first position point and the second position point; wherein, the working site is provided with multiple Position difference, the deviation of the deviation is the difference between the theoretical distance and the actual distance corresponding to the actual number of revolutions of the robot tire; the wheel diameter update module 42 is configured to update the current state of the robot according to the distance between the first position point and the second position point and the walking deviation Wheel diameter.
- the obtaining module 41 includes: a displacement deviation receiving unit 411, configured to receive a first displacement deviation between the first position point and the reported position when the robot is located at the first position point, And a second displacement deviation between the second position point and the second position point when the robot is located at the second position point; the walking deviation calculation unit 412 is configured to calculate the robot walking from the first position point according to the first displacement deviation and the second displacement deviation The walking deviation corresponding to the second position point.
- the server can receive the first displacement deviation and the second displacement deviation reported by the robot through the displacement deviation receiving unit 411 and the walking deviation calculation unit 412, and accurately calculate the first displacement deviation and the second displacement deviation.
- the walking deviation of the robot has a small amount of computation, and is especially suitable for working scenarios where multiple servers are controlled by the same server.
- the wheel diameter updating module 42 includes: a unit distance walking deviation calculating unit 421, configured to calculate the robot according to the distance between the first position point and the second position point and the walking deviation
- the unit wheel distance compensation value searching unit 422 is configured to search for a wheel diameter compensation value corresponding to the unit distance walking deviation of the robot in the preset list;
- the current wheel diameter updating unit 423 is configured to obtain the wheel according to the search.
- the path compensation value updates the current wheel diameter of the robot.
- the unit distance deviation calculation unit 421, the wheel diameter compensation value search unit 422, and the current wheel diameter update unit 423 determine the wheel diameter compensation value by means of table lookup, and the server has a small amount of calculation. Especially suitable for the case where the same server controls a large number of robots.
- the wheel diameter updating module 42 includes: a first determining unit 424, configured to determine, according to a distance between the first location point and the second location point, and a current wheel diameter of the robot.
- the first tire rotation number of the robot; the second determining unit 425 is configured to determine the second tire rotation circle of the robot according to the distance between the first position point and the second position point, the walking deviation, and the updated wheel diameter of the robot
- the wheel diameter calculation unit 426 is configured to calculate the wheel diameter after the robot is updated by using the relationship between the number of rotations of the first tire and the number of rotations of the second tire.
- the updated robot can be accurately calculated.
- the wheel diameter thus accurately updating the wheel diameter of the robot.
- the foregoing apparatus further includes:
- the determining module 43 is configured to determine, according to the updated current wheel diameter, whether the robot needs to replace the tire, and when determining that the robot needs to replace the tire, perform a tire replacement warning. Further, as shown in FIG. 6, the foregoing determining module 43 includes:
- the first determining unit 431 is configured to determine whether the updated current wheel diameter reaches a preset wheel diameter range, and if yes, determine that the robot needs to replace the tire;
- the second determining unit 432 is configured to determine whether the difference between the updated current wheel diameter and the initial wheel diameter of the robot reaches a preset difference threshold. If yes, it is determined that the robot needs to replace the tire.
- the first judging unit 431 and the second judging unit 432 can easily and quickly determine whether the tire of the robot needs to be replaced, thereby avoiding collision with other robots due to severe wear of the robot.
- the apparatus provided in this embodiment can be applied to a work scene in which a large number of robots are controlled by one server, and the server controls the work of each robot in the same manner, and updates the wheel diameter of each robot to realize the accuracy of the robot. Positioning; Furthermore, two ways of updating its current wheel diameter are given. One is to determine the wheel diameter compensation value by means of table lookup, which has the advantages of simple operation and small amount of server operation, and is particularly suitable for controlling the same server.
- the other is based on the principle that the theoretical number of revolutions of the robot tire is equal to the actual number of revolutions, and the updated wheel diameter of the robot can be accurately calculated, thereby accurately updating the wheel diameter of the robot; Based on the update of the wheel diameter, it can be judged whether the robot needs to replace the tire.
- the device in the embodiment can effectively prevent the robot malfunction caused by the wear of the robot tire, improve the fluency of the overall robot operation, improve the safety of the robot operation, and ensure the safety of a large number of robots.
- the device provided by the embodiment of the present invention may be specific hardware on the device or software or firmware installed on the device.
- the implementation principle and the technical effects of the device provided by the embodiments of the present invention are the same as those of the foregoing method embodiments.
- a person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the system, the device and the unit described above can refer to the corresponding processes in the foregoing method embodiments, and details are not described herein again.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some communication interface, device or unit, and may be electrical, mechanical or otherwise.
- the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, i.e., may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
- each functional unit in the embodiment provided by the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
- the technical solution of the present invention is The portion contributing to the prior art or the portion of the technical solution may be embodied in the form of a software product stored in a storage medium including a plurality of instructions for causing a computer device ( It may be a personal computer, a server, or a network device, etc.) performing all or part of the steps of the method described in various embodiments of the present invention.
- the foregoing storage medium includes: a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. Introduction ⁇ .
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP16883133.7A EP3401064B1 (en) | 2016-01-04 | 2016-08-03 | Wheel diameter compensation method and device for robot |
JP2018553277A JP6671506B2 (ja) | 2016-01-04 | 2016-08-03 | ロボットホイール径補完方法及び装置 |
US15/326,624 US10416674B2 (en) | 2016-01-04 | 2016-08-03 | Wheel diameter compensation method and apparatus for robot |
KR1020187020565A KR102136016B1 (ko) | 2016-01-04 | 2016-08-03 | 로봇 휠 직경 보완 방법 및 장치 |
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CN201610006147.0A CN105437261B (zh) | 2016-01-04 | 2016-01-04 | 机器人轮胎磨损预警方法及装置 |
CN201610008143.6A CN105573322B (zh) | 2016-01-04 | 2016-01-04 | 一种机器人轮径补偿的方法及装置 |
CN201610008143.6 | 2016-01-04 | ||
CN201610006147.0 | 2016-01-04 |
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EP (1) | EP3401064B1 (zh) |
JP (1) | JP6671506B2 (zh) |
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JP2019507447A (ja) | 2019-03-14 |
EP3401064A4 (en) | 2019-03-20 |
KR102136016B1 (ko) | 2020-07-21 |
EP3401064B1 (en) | 2019-10-23 |
US20180335782A1 (en) | 2018-11-22 |
US10416674B2 (en) | 2019-09-17 |
EP3401064A1 (en) | 2018-11-14 |
KR20180096702A (ko) | 2018-08-29 |
JP6671506B2 (ja) | 2020-03-25 |
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