CN105891839B - A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability - Google Patents

A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability Download PDF

Info

Publication number
CN105891839B
CN105891839B CN201610199300.6A CN201610199300A CN105891839B CN 105891839 B CN105891839 B CN 105891839B CN 201610199300 A CN201610199300 A CN 201610199300A CN 105891839 B CN105891839 B CN 105891839B
Authority
CN
China
Prior art keywords
fixed
axis
laser
slip ring
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610199300.6A
Other languages
Chinese (zh)
Other versions
CN105891839A (en
Inventor
周欢欢
赵雅雅
罗均
葛磊
刘远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201610199300.6A priority Critical patent/CN105891839B/en
Publication of CN105891839A publication Critical patent/CN105891839A/en
Application granted granted Critical
Publication of CN105891839B publication Critical patent/CN105891839B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/89Lidar systems specially adapted for specific applications for mapping or imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

The invention discloses a kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability, it is made of servomotor, synchronous pulley, synchronous belt, linear CCD sensor, laser emitter, high precision six-axis gyroscope, laser pickoff, turntable, controller, the shaft with conducting slip ring, chassis, stepper motor, the fixed block with photoelectric encoder, supporting block, latch segment, axis.With the development of unmanned technology, unmanned vehicle and unmanned boat there is an urgent need to it is a kind of being capable of integrated location information and image information, the laser radar apparatus for realizing the scanning of Liang Zhou omnidirectionals.The cloud data that the present invention is received by linear CCD sensor and laser pickoff, corresponds it after coordinate transform computing superposition, finally obtains the colour point clouds data of testee.Meanwhile the present invention is expanded the scanning range of laser radar apparatus by mechanism of a set of twin shaft omnidirectional, so as to fulfill a wide range of, the acquisition of color distance cloud data.

Description

A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability
Technical field
The present invention relates to a kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability, belong to automated machine and set Standby field.
Background technology
In recent years, as unmanned vehicle, the development of unmanned boat technology, domestic and international scientific research institutions have now been developed some unmanned vehicles With unmanned boat model.And laser radar apparatus is the key device of unmanned vehicle and unmanned boat.At present, unmanned vehicle and unmanned boat are urgent Need it is a kind of can integrated location information and image information, realize the laser radar apparatus of Liang Zhou omnidirectionals scanning.
The content of the invention
Deficiency of the present invention for existing unmanned boat and unmanned vehicle conventional laser radar installations, there is provided one kind has colour Omnidirectional's laser radar apparatus of point cloud acquisition capability, the device can not only realize accurate ranging, moreover it is possible to provide cloud data Color information.The device is scanned with Liang Zhou omnidirectionals, and scan position is big, wide coverage.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability, by servomotor, synchronous pulley, synchronization Band, linear CCD sensor, laser emitter, high precision six-axis gyroscope, laser pickoff, turntable, controller, band are conductive sliding The shaft of ring, chassis, stepper motor, the fixed block with photoelectric encoder, supporting block, latch segment, axis composition;The servo electricity Machine, synchronous pulley, synchronous belt, linear CCD sensor, laser emitter, high precision six-axis gyroscope, laser pickoff, turntable, Controller, the shaft with conducting slip ring form a flat scanning laser radar, realize and realize sectoring to X-plane:It is described Servomotor, controller and chassis are fixed, and synchronous pulley is fixed on the rotor of servomotor;Synchronous pulley, synchronous belt and band The shaft of conducting slip ring forms a synchronous pulley mechanism, drives the shaft with conducting slip ring to rotate by servomotor;Band is led One end of the shaft of electric slip ring is placed on the controller, is fixed by bearing and controller;Turntable is fixed on conducting slip ring On the other end of shaft, linear CCD sensor, laser emitter, high precision six-axis gyroscope, laser pickoff respectively with turntable Fixed, linear CCD sensor, laser emitter, high precision six-axis gyroscope, that the conducting wire on laser pickoff passes through band is conductive sliding Conducting slip ring in the shaft of ring is connected with controller;The chassis, stepper motor, the fixed block with photoelectric encoder, branch Bracer, latch segment, axis form an adjusting mechanism, for scanning the vertical Y faces of X-plane:The stepper motor is fixed on band On the fixed block of photoelectric encoder, its rotor is fixed by bearing and axis, and supporting block is fixed by its mesoporous with axis, and with Chassis is fixed, and latch segment is fixed by screw thread and axis, plays the role of locking, by the driving of stepper motor, drives axis rotation Turn, so as to drive above-mentioned flat scanning laser radar apparatus to be rotated around the central axes of axis.
Point cloud information is that the linear CCD sensor that relative position is fixed and the cloud data that laser pickoff is received pass through Correspond what superposition obtained after controller coordinate transform computing.
Compared with prior art, the beneficial effects of the invention are as follows:
Apparatus of the present invention can be realized to be scanned with the compound cloud data of positional information and color information, twin shaft omnidirectional, It is big to scan coverage, can independently set scanning range according to demand.
Brief description of the drawings
Fig. 1 is flat scanning laser radar apparatus assembling schematic diagram of the present invention.
Fig. 2 is adjusting mechanism assembling schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiments are only used for clearly illustrating the present invention Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As depicted in figs. 1 and 2, a kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability, by servomotor 1st, synchronous pulley 2, synchronous belt 3, linear CCD sensor 4, laser emitter 5, high precision six-axis gyroscope 6, laser pickoff 7, Turntable 8, controller 9, the shaft 10 with conducting slip ring, chassis 11, stepper motor 12, the fixed block 13 with photoelectric encoder, branch Bracer 14, latch segment 15, axis 16 form;The servomotor 1, synchronous pulley 2, synchronous belt 3, linear CCD sensor 4, swash Optical transmitting set 5, high precision six-axis gyroscope 6, laser pickoff 7, turntable 8, controller 9, the shaft 10 with conducting slip ring form One flat scanning laser radar, realizes and realizes sectoring to X-plane:The servomotor 1, controller 9 and chassis 11 are solid Fixed, synchronous pulley 2 is fixed on the rotor of servomotor 1;Synchronous pulley 2, synchronous belt 3 and the shaft 10 with conducting slip ring are formed One synchronous pulley mechanism, drives the shaft 10 with conducting slip ring to rotate by servomotor 1;Shaft 10 with conducting slip ring One end is placed on controller 9, is fixed by bearing and controller 9;Turntable 8 is fixed on the another of the shaft 10 with conducting slip ring On end, linear CCD sensor 4, laser emitter 5, high precision six-axis gyroscope 6, laser pickoff 7 are fixed with turntable 8 respectively, Linear CCD sensor 4, laser emitter 5, high precision six-axis gyroscope 6, that the conducting wire on laser pickoff 7 passes through band is conductive sliding Conducting slip ring in the shaft 10 of ring is connected with controller 9;The chassis 11, stepper motor 12, consolidating with photoelectric encoder Determine block 13, supporting block 14, latch segment 15, axis 16 and form an adjusting mechanism, for scanning the vertical Y faces of X-plane:The step Stepper motor 12 is fixed on the fixed block 13 with photoelectric encoder, its rotor is fixed by bearing and axis 16, and supporting block 14 is logical Cross its mesoporous to fix with axis 16, and fixed with chassis 11, latch segment 15 is fixed by screw thread and axis 16, is played locking and is made With by the driving of stepper motor 12, drive axis 16 rotates, so as to drive above-mentioned flat scanning laser radar apparatus in The central axes of axis 16 rotate.
The use process and principle of the present invention is as follows:
Controller 9 is rotated according to the scan frequency being previously set, control servomotor 1 by certain rotating speed first.A certain At the moment, laser emitter 5 is according to the instruction issue of controller 9 by certain frequency transmitting laser, and laser pickoff 7 is according to receiving The phase place change of laser obtains the distance of testee.After the of short duration time t that laser obtains object distance, linear CCD passes Sensor 4 obtains the color information of the testee.According to the differential seat angle θ between linear CCD sensor 4 and laser pickoff 7 and Sample frequency ω calculates the difference n of range points cloud sequence and color point cloud sequence., will be tested by the adder in controller Object distance and color information are corresponded and are packaged with, and form the color of testee apart from cloud data.
While above-mentioned flat scanning laser radar apparatus scans X face objects, controller 9 controls 12 turns of stepper motor It is dynamic.Stepper motor 12 is progressively moved according to the rotational frequency of servomotor 1, moves δ angles every time so that above-mentioned flat scanning Laser radar apparatus can scan a circle in every δ angles.This completes single pass in Y plane to act.As needed, walk Stepper motor 12 often rotates a circle or certain angle can be the scan period of a Y plane.It should be noted that compiled with photoelectricity Photoelectric encoder in the fixed block 13 of code device plays the role of closed loop feedback, for the orientation control to adjusting mechanism.It is above-mentioned High precision six-axis gyroscope 6 play the role of closed-loop feedback to whole system, for ensureing to obtain colour point clouds data Twin shaft omnidirectional laser radar apparatus overall precision.
Finally, each color can be pressed by differential seat angle θ and sample frequency ω and δ angles by spherical coordinates apart from cloud data Position shown inside gui program, or corresponding information is obtained according to the exploitation program of user.It is whole so as to complete The information access process of device.

Claims (1)

1. a kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability, it is characterised in that by servomotor (1), together Step belt wheel (2), synchronous belt (3), linear CCD sensor (4), laser emitter (5), high precision six-axis gyroscope (6), laser connect Receive device (7), turntable (8), controller (9), the shaft (10) with conducting slip ring, chassis (11), stepper motor (12), band photoelectricity volume Fixed block (13), supporting block (14), latch segment (15), axis (16) composition of code device;The servomotor (1), synchronous pulley (2), synchronous belt (3), linear CCD sensor (4), laser emitter (5), high precision six-axis gyroscope (6), laser pickoff (7), turntable (8), controller (9), the shaft (10) with conducting slip ring form a flat scanning laser radar, realize and X is put down Realize sectoring in face:The servomotor (1), controller (9) are fixed with chassis (11), and synchronous pulley (2) is fixed on servo On the rotor of motor (1);Synchronous pulley (2), synchronous belt (3) and the shaft (10) with conducting slip ring form a synchronous belt turbine Structure, drives the shaft (10) with conducting slip ring to rotate by servomotor (1);Place one end of shaft (10) with conducting slip ring It is fixed by bearing and controller (9) on controller (9);Turntable (8) is fixed on the another of the shaft (10) with conducting slip ring On end, linear CCD sensor (4), laser emitter (5), high precision six-axis gyroscope (6), laser pickoff (7) are respectively with turning Disk (8) is fixed, linear CCD sensor (4), laser emitter (5), high precision six-axis gyroscope (6), on laser pickoff (7) Conducting wire be connected by the conducting slip ring in the shaft (10) with conducting slip ring with controller (9);The chassis (11), stepping Motor (12), the fixed block (13) with photoelectric encoder, supporting block (14), latch segment (15), axis (16) form an adjusting Mechanism, for scanning the Y plane vertical with X-plane:The stepper motor (12) is fixed on the fixed block with photoelectric encoder (13) on, its rotor is fixed by bearing and axis (16), and supporting block (14) is fixed by its mesoporous and axis (16), and with bottom Disk (11) is fixed, and latch segment (15) is fixed by screw thread and axis (16), plays the role of locking, passes through the drive of stepper motor (12) It is dynamic, axis (16) rotation is driven, so as to drive above-mentioned flat scanning laser radar apparatus to be rotated around the central axes of axis (16).
CN201610199300.6A 2016-04-02 2016-04-02 A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability Active CN105891839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610199300.6A CN105891839B (en) 2016-04-02 2016-04-02 A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610199300.6A CN105891839B (en) 2016-04-02 2016-04-02 A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability

Publications (2)

Publication Number Publication Date
CN105891839A CN105891839A (en) 2016-08-24
CN105891839B true CN105891839B (en) 2018-04-27

Family

ID=57012393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610199300.6A Active CN105891839B (en) 2016-04-02 2016-04-02 A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability

Country Status (1)

Country Link
CN (1) CN105891839B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107044857B (en) * 2017-03-24 2020-02-07 黑龙江硅智机器人有限公司 Asynchronous map construction and positioning system and method applied to service robot
CN108680096B (en) * 2018-07-06 2023-12-19 北方工业大学 Direction scanning positioning mechanism and radar system
CN109471088A (en) * 2018-12-29 2019-03-15 同方威视技术股份有限公司 Scanning angle adjusts device, laser radar system, carrier and auto-correction method
CN109495692A (en) * 2019-01-09 2019-03-19 湖南农业大学 A kind of laser auto focusing percussion device based on three-dimensional machine vision
CN110045351A (en) * 2019-04-02 2019-07-23 南昌艾克威尔机器人有限公司 Laser radar without sliding ring connector
CN113566733B (en) * 2021-06-29 2023-11-14 宁波大学 Line laser vision three-dimensional scanning device and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308925A (en) * 2013-05-31 2013-09-18 中国科学院合肥物质科学研究院 Integral three-dimensional color laser radar data point cloud generating method and device thereof
CN104345448A (en) * 2014-10-16 2015-02-11 中国电子科技集团公司第五十研究所 Large-view-field rapid two-dimensional scanning mirror mounting structure
CN104599272A (en) * 2015-01-22 2015-05-06 中国测绘科学研究院 Movable target sphere oriented onboard LiDAR point cloud and image united rectification method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9128185B2 (en) * 2012-03-15 2015-09-08 GM Global Technology Operations LLC Methods and apparatus of fusing radar/camera object data and LiDAR scan points
US20130342657A1 (en) * 2012-06-15 2013-12-26 Nikon Corporation Stereo vision camera for laser radar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308925A (en) * 2013-05-31 2013-09-18 中国科学院合肥物质科学研究院 Integral three-dimensional color laser radar data point cloud generating method and device thereof
CN104345448A (en) * 2014-10-16 2015-02-11 中国电子科技集团公司第五十研究所 Large-view-field rapid two-dimensional scanning mirror mounting structure
CN104599272A (en) * 2015-01-22 2015-05-06 中国测绘科学研究院 Movable target sphere oriented onboard LiDAR point cloud and image united rectification method

Also Published As

Publication number Publication date
CN105891839A (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CN105891839B (en) A kind of omnidirectional's laser radar apparatus with colour point clouds acquisition capability
CN106598081B (en) A kind of image-pickup method and electronic equipment
Rong et al. Improving attitude detection performance for spherical motors using a MEMS inertial measurement sensor
CN108021534B (en) Permanent magnet spherical motor position detection method based on 3-D magnetic field sensor
CN106005455B (en) A kind of two axis Towed bird systems for being directed toward control based on geographic coordinate system
CN111366908B (en) Laser radar rotary table and measuring device and measuring method thereof
CN110488850A (en) A kind of quadrotor drone vision navigation system and method based on raspberry pie
CN110640738A (en) Industrial robot platform of developments seizure
CN106289098A (en) The method of controlling rotation of three-dimensional laser scanner
CN107044857A (en) Asynchronous system map structuring and alignment system and method applied to service robot
CN104615152B (en) A kind of disturbance angle compensation system
CN111152931B (en) Small-size triaxial photoelectric pod control system
CN104199118A (en) Searching and tracking integrated photoelectric detection system
CN103885458A (en) Fast reflection mirror scanning tracking system for aerospace imaging field and method thereof
CN111123280A (en) Laser radar positioning method, device and system, electronic equipment and storage medium
CN201152896Y (en) Infrared light electrical alarming turntable
CN206117467U (en) Two degrees of freedom of non - spherical orthohormbic structure hybrid step motor
CN102662407B (en) Tracking control method of three-axis telescope
CN109612375B (en) Spherical motor rotor position detection method based on Hall element
CN203773357U (en) Fast reflector scanning and tracking system applied to aerospace imaging field
CN206470615U (en) A kind of universal unmanned plane cloud platform control system
CN103049002A (en) Multi-degrees-of-freedom phase center robot
CN206618858U (en) A kind of three-dimensional scanner
JP2003505897A (en) Video surveillance camera movement control
CN204086575U (en) The Photodetection system of search and tracking one

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant