CN202825840U

CN202825840U - Visual robot under the condition of wireless network

Info

Publication number: CN202825840U
Application number: CN 201220524240
Authority: CN
Inventors: 宋国荣; 刘兴奇; 王洋; 高忠阳; 何存富; 吴斌
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2012-10-14
Filing date: 2012-10-14
Publication date: 2013-03-27
Anticipated expiration: 2022-10-14

Abstract

The utility model relates to a visual robot under the condition of wireless network and belongs to research and development field of the visual and wireless robot. The visual robot under the condition of wireless network can realize the function of remote motion control of robot wireless, visual image acquisition and obstacle distance monitoring and the like. The system of the visual robot under the condition of wireless network mainly comprises a microcomputer as a main control machine, an environmental monitoring camera, a robot vision camera, an ultrasonic transducers of measuring distance and NI LabVIEW Robotics Starter Kit 2.0 hardware. The visual robot under the condition of wireless network mainly aims at the development and research of the visualization and wireless of the robot, the system set up can be used to the acquisition and process of the physical information of the specific environment, and real-time response can be provided to the exceptional case through the control of the robot.

Description

Visualization robot under a kind of wireless network environment

Technical field

The utility model belongs to visualization, wireless penetration robot development and research field.

Background technology

Robotics is a kind of take automatic technology and computer technology as main body, the integration application technology of the various modern that organically blends information technology.Along with the development of the technology such as computer, microelectronics, automatically control, network, Robotics has also obtained rapid progress.At present, the application study for the intelligent robot has both at home and abroad developed nearly half a century, and during this period of time, robot application is started to walk by field of industrial production, develops into gradually the numerous areas such as agricultural, medical treatment, national defence and Aero-Space.The exploitation of these application becomes important production strength indispensable in the productive life so that robot replaces manual work gradually, and common application has industrial machinery arm, military robot, space exploration robot and the entertainment service humanoid robot etc. reconnoitred.

Having the environment sensing ability is that the mobile robot realizes intelligentized basis, and key effect has been played in the utilization of sensor in robot control.Vision sensor becomes gradually the focus in robot research field, and constantly is applied in real life as a kind of sensing equipment that the environmental information of enriching the most can be provided for autonomous mobile robot.

The utility model carries out Expansion development take NI LabVIEW Robotics Starter Kit 2.0 hardware platforms as the basis, take the real-time of this hardware platform, high efficiency disposal ability as support, realize visualization and the wireless penetration function of wheeled mobile robot, and exploitation control software, utilize this robot to realize the long distance wireless visual monitoring, and can realize obtaining robot environmental physics information of living in by setting up of function sensor.Therefore, make up one take the wireless penetration information exchange platform as medium of communication, realize that the signal between main frame, robot and the camera is mutual, become the prerequisite of this project development.This Functional Design, can realize that the visualization tele-robotic carries out real time image collection to foreign environment on the one hand, and utilize wireless transmission method that the detection information of robot is sent to main frame realization environmental monitoring, the real-time control instruction that sends of processing host of robot on the other hand, and the early warning and monitoring data are made real-time response.

Summary of the invention

The utility model exploitation is based on NI LabVIEW Robotics Starter Kit 2.0 robot hardware's development platforms, finished the design and development of the visualization robot under the wireless network environment, control by building with the software programming of NI LabVIEW Robotics 2011 of wireless network platform, realize robotic vision monitoring and motion control.And realization obtaining and monitoring robot environmental physics information of living in processed in dependence to the signal of multisensor.

To achieve these goals, the utility model has adopted following scheme: the visualization robot under this wireless network environment is characterized in that: comprise NI LabVIEW Robotics Starter Kit 2.0 hardware platforms 7, wireless router 8, ultrasonic distance-measuring sensor 4, robot vision camera 3, the environmental monitoring camera 2 that includes the wheeled motion 6 of embedded controller 5 and robot and the microcomputer 1 that NI LabVIEW Robotics 2011 softwares are installed; Described NI LabVIEW Robotics Starter Kit 2.0 hardware platforms 7 that include embedded controller 5 and robot wheeled motion 6 link to each other with wireless router 8 with ultrasonic distance-measuring sensor 4, described wireless router 8 links to each other with wireless mode and robot vision camera 3, microcomputer 1 that NI LabVIEW Robotics 2011 softwares are installed, and the microcomputer 1 of the described NI of being equipped with LabVIEW Robotics 2011 softwares links to each other with environmental monitoring camera 2.

As shown in Figure 1, visualization robot under the described wireless network environment sends motion control instruction by the microcomputer that comprises vision robot under the wireless network environment and control software, wireless network through the wireless router establishment, deliver to NI LabVIEW Robotics Starter Kit 2.0 hardware platforms that include embedded controller, and control side-to-side movement motor, the wheeled motion motion of band mobile robot has realized the motion control of robot.

Described vision camera is delivered to wireless router by wireless network with visual pattern information, and transfers to the respective interface that the vision robot under the wireless network environment in the microcomputer controls software through it.Described environmental monitoring camera is delivered to the respective interface that vision robot under the wireless network environment controls software with robot motion's ambient signal.Described ultrasonic distance-measuring sensor obtains signal, delivers to embedded controller, and the wireless network that creates through wireless router is delivered to the respective interface that vision robot under the wireless network environment controls software with signal.

This utility model has realized under NI LabVIEW Robotics Starter Kit 2.0 hardware platforms, the wireless penetration Long-distance Control of wheeled kinematic robot and visualization monitoring, develop simultaneously corresponding control program, so that the user can finish the visualization environmental monitoring under robot motion's condition monitoring and the robot visual angle simultaneously before computer, and move by robot, realize obtaining and monitoring physical message in its place environment.

Description of drawings

Visualization robot composition frame chart under Fig. 1 wireless network environment

The usage example figure of Fig. 2 visualization tele-robotic

The specific embodiment

In conjunction with Fig. 1 the utility model is described further:

With reference to Fig. 1: the visualization robot under the wireless network environment, mainly microcomputer 1, environmental monitoring camera 2, robot vision camera 3, ultrasonic distance-measuring sensor 4 and NI LabVIEW Robotics Starter Kit 2.0 hardware platforms 7 by master control form.The core of system take NI sbRIO-9632 embedded controller as robot components utilizes its calculation process and digital I/O input/output function to realize the motion control of robot mechanism; Utilize PING))) Series Ultrasonic distance measuring sensor emission 40M ultrasonic signal, and ultrasonic echo received, through the embedded controller calculation process, realize that robot is to the detection of itself and front end distance of obstacle; Utilize EasyN-F series IP Camera as the robot vision signal collecting device, from the angle of robot ambient signal is gathered, and the wireless network that creates by wireless router sends to microcomputer, the wireless transmission of realization robot vision signal; By the environment camera that has linearize to be connected with microcomputer, gather the vision signal of robot running environment, and deliver to the corresponding software interface display of microcomputer.

With reference to shown in Figure 1: microcomputer is the core control section of a whole set of visualization tele-robotic, main motion control, ultrasonic ranging signals collecting, analysis and the processing that realizes the robot part, realize the obtaining, analyze and process etc. of visual pattern of robot vision camera and environmental monitoring camera, and realize mutual with the wireless network that the signal and communication of NI LabVIEW Robotics Starter Kit 2.0 hardware platforms and robot vision camera is all created by wireless router.

NI LabVIEW Robotics Starter Kit 2.0 hardware platforms are take NI sbRIO-9632 embedded controller as core, and its processor speed is 400MHz, internal memory 128M.Integrated real-time processor in single integrated circuit board, 2M can repeat to arrange field programmable gate array (FPGA), analog-and digital-I/O etc., but and the analog-and digital-I/O of expanding built-in.

With reference to shown in Figure 1: described robot vision camera adopts the F series IP Camera under the EasyN brand, this product adopts MJPEG hardware-compressed technology, can be on LAN/WAN with the real time video image of 30 frames/per second high quality (VGA or CIF), simultaneously embedded WEB server, support IE browses the Remote configuration with webpage.This equipment is fixed on robot hardware's platform, can realize on the vertical direction 90 degree, and the rotatablely moving of 270 degree on the horizontal direction, is used for realizing the monitoring to surrounding environment, and its signal is undertaken by WLAN form and microcomputer alternately.Described ultrasonic distance sensor adopts the PING of Parallax company))) series of products, its measurement category can be finished accurate, contactless range measurement between 2 centimetres (0.8 inches) to 3 meters (3.3 meters).This equipment is installed on the robot front end steering wheel, by the supersonic sounding of steering wheel rotation realization to different angles.

Native system in use, operating personnel only need robot is placed in the corresponding movement environment, the vision robot who opens under the wireless network environment in the microcomputer controls software, real-time pictures transmission by robot vision camera and the wireless penetration of environmental monitoring camera, movement environment to robot is monitored, simultaneously robot is controlled, realize its to the physical message of multiple environment obtain and to the real-time response under the specific condition.

Below in conjunction with accompanying drawing 2, by specific embodiment the utility model is further described, following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.The specific works process of the present embodiment is as follows:

(1) the visualization robot under the wireless network environment is placed on as shown in Figure 2 in the L shaped environment in the geometric space, the space is comprised of a main rectangle and a little corner region.Place around the corner environmental monitoring camera 2, environment is carried out the visualizations collection, be used for the ruuning situation of robot under this fixed angle of monitoring and the environmental information in the certain limit.

(2) robot is set out by the 1a position, along route shuttling movement in environment of 1a → 1b → 1c → 1d → 1a.In this process, linear uniform motion is done by robot in 1a → 1b process, and the robot vision camera is over against robot motion's direction, the Real-time Collection image information in front.

(3) after robot arrives 1b, stop motion, and keep the former direction of motion; The robot vision camera slowly turns to the left side, and the space environment in robot left side is carried out IMAQ, and this hard-over that rotatablely moves in the horizontal direction can reach 270 °.After going back to robot motion's direction, camera stops operating.

(4) robot continues to move with uniform velocity along 1b → 1c → 1d → 1a path, and the robot vision camera keeps motionless over against robot motion's direction in this process, so moves in circles.

By the motion control to robot under this pattern, can effectively realize the long distance wireless control to robot, use by the collocation of environmental monitoring camera and robot vision camera simultaneously, effectively monitoring of environmental information and robot motion's situation.As the environmental monitoring example, the method can effectively change the fixed point camera to angle limits and the monitoring range limitation of environmental monitoring, Effective Raise environmental monitoring ability.

Claims

1. the visualization robot under the wireless network environment is characterized in that: comprise NI LabVIEW Robotics Starter Kit 2.0 hardware platforms, wireless router, ultrasonic distance-measuring sensor, robot vision camera, the environmental monitoring camera that includes the wheeled motion of embedded controller and robot and the microcomputer that NI LabVIEW Robotics 2011 softwares are installed; Described NI LabVIEW Robotics Starter Kit 2.0 hardware platforms that include embedded controller and robot wheeled motion link to each other with wireless router with ultrasonic distance-measuring sensor, described wireless router links to each other with wireless mode and robot vision camera, microcomputer that NI LabVIEW Robotics 2011 softwares are installed, and the microcomputer of the described NI of being equipped with LabVIEW Robotics 2011 softwares links to each other and links to each other with the environmental monitoring camera.