CN204405082U - A kind of indoor integrated navigation simulation checking system - Google Patents
A kind of indoor integrated navigation simulation checking system Download PDFInfo
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- CN204405082U CN204405082U CN201520057741.3U CN201520057741U CN204405082U CN 204405082 U CN204405082 U CN 204405082U CN 201520057741 U CN201520057741 U CN 201520057741U CN 204405082 U CN204405082 U CN 204405082U
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- dolly
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Abstract
Indoor integrated navigation simulation checking system of the present utility model is made up of wireless locating module device, nine-degree of freedom inertial navigation module device, simulation dolly and host computer four part.Label in wireless locating module device, nine-degree of freedom inertial navigation module device and host computer are positioned on simulation dolly.The base station in wireless locating module device is laid in the position suitable in indoor, only need ensure that base station is in label wireless signal coverage.In the process that simulation dolly runs along projected path, can be obtained the navigation information such as position coordinates, operation attitude, travelling speed and distance of simulation dolly by wireless locating module device and inertial navigation module device, observer determines according to the navigation information in host computer the operation orientation simulating dolly future time.The utility model can overcome the cumulative errors that inertial navigation produces, and can also overcome the shortcoming that wireless locating module device is subject to external environmental interference.
Description
Technical field
The present invention relates to a kind of indoor integrated navigation simulation checking system, be applicable to the real-time navigation of indoor moving target, and for indoor integrated navigation system practical application performance checking provide possibility.
Background technology
In open outdoor environment, global position system GPS provides point-device locating information, can easily for the people of trip carry out real-time navigation.But due to the singularity of indoor environment, be more currently difficult to be transplanted in the application of indoor navigation for outdoor positioning algorithm and navigational system.Along with popularizing of Information & Communication Technology, people grow with each passing day for the demand of indoor positioning information, some public places, all need to use locating navigation information accurately as market, airport, exhibition room, office building, warehouse, underground parking, prison, military training base etc.
In recent years, wireless location shows very large potentiality with the feature of its low cost, low-power consumption and low system complexity in short distance positioning field.Wireless location, without gps signal area, namely time so-called " blind area ", is located as unknown node under the environment such as urban district, mine, tunnel indoor, skyscraper is intensive and is provided possibility.But wireless location can only provide position and velocity information, comprehensive movable information can not be provided; And the location of wireless location is very easily subject to the impact of indoor complex environment.
Inertial navigation have complete autonomous, movable information comprehensively, in short-term, high-precision advantage, although can realize independent navigation, error accumulates in time, will cause navigation accuracy degradation during long boat under service condition.
Summary of the invention
The present invention is for making up the deficiencies in the prior art, provide and a kind ofly can provide comprehensive movable information, affect little, that navigation accuracy is high indoor integrated navigation simulation checking system, to verify the practical application performance of the integrated navigation system of wireless location and inertial navigation by indoor environment.
The present invention is achieved through the following technical solutions:
Whole indoor integrated navigation simulation checking system is made up of wireless locating module device, nine-degree of freedom inertial navigation module device, simulation dolly and host computer four part.
Wireless locating module device: comprise base station and label, the position laying base station suitable in indoor, as a reference point being used for measures the position of label, label is positioned on simulation dolly, be connected with host computer and communicate, when returning the range information of label and its peripheral base station after the positioning command receiving host computer;
Nine-degree of freedom inertial navigation module device: be positioned on simulation dolly, be connected communicate with host computer, completes the measurement to simulation dolly all directions four direction acceleration and simulation dolly course angle;
Simulation dolly: be provided with wireless receiving module device, accepts Remote and controls, realize forward-reverse, left-hand rotation right-hand rotation activity; Simulation dolly is also placed host computer, is recorded position coordinates, travelling speed and the traffic direction of simulating dolly by label and inertial navigation module device in real time;
And, host computer: calculate and the traffic direction of the position coordinates of real-time display simulation dolly, travelling speed, motion track and dolly, to instruct the traffic direction of simulation dolly future time.
(1) wireless locating module device: this modular device is divided into base station and label two parts, an X-Y scheme is constructed according to the application scenarios of reality, lay base station in a two dimensional, the position coordinates of base station is known, as a reference point being used for measures the position of label, the position laying base station suitable in indoor, determines place and the quantity of laying according to the specific environment of indoor; Label is positioned on simulation dolly, be connected with host computer by USB serial bus, when returning the range information of label and its peripheral base station after the positioning command receiving host computer, host computer calculates the position coordinates of label in application scenarios by the range information of the label that receives and base station.
(2) nine-degree of freedom inertial navigation module device: this modular device comprises three-axis gyroscope sensor, three axle acceleration sensors, three axle magnetic induction sensors and a data processing chip and serial communication interface.Therefore the information of the acceleration of simulation dolly, angular velocity and angle can be gathered.Data processing chip merges sensing data, and complete the measurement to simulation dolly four direction (east orientation, south orientation, west are to, north orientation) acceleration and simulation dolly course angle, serial communication interface is connected with host computer by USB serial bus.
(3) dolly is simulated: simulation dolly is divided into three layers from top to bottom.Ground floor is power plant module device, mainly comprises four wheels of dolly, two servomotors.Dolly adopts two driving wheels, the drive pattern of two engaged wheels, two driving wheels are connected with two servomotors respectively by crawler belt, and two engaged wheels use universal wheel, complete the forward-reverse of dolly and turn left to turn right by the rotation direction and rotating speed controlling two servomotors.The second layer is the motor control unit device of dolly, power module device and wireless receiving module device, focused in control box, motor control unit device uses one piece to believe, and prompt PLC controls the driver of two servomotors respectively, power module device uses two pieces of accumulators to power, accept Remote by wireless receiving module device to control, can control in the long-range forward-reverse to dolly, left-hand rotation right-hand rotation.The second layer completes providing of power in the basic exercise of dolly and dolly jointly, and can carry out strict monitoring by motor control unit device to the travelling speed of simulation dolly and distance.Third layer is mainly placed the label of wireless locating module device, nine-degree of freedom inertial navigation module device and host computer, label and nine-degree of freedom inertial navigation module device are undertaken being connected by USB serial bus and host computer and communicate, by the traffic direction of the position coordinates recording simulation dolly, travelling speed and dolly that wireless locating module device and inertial navigation module device can be real-time.
(4) host computer: the label of wireless locating module device is communicated with host computer by USB serial bus with nine-degree of freedom inertial navigation module device, host computer can the traffic direction of the position coordinates of display simulation dolly, travelling speed, motion track and dolly in real time.In the process that dolly runs along projected path, host computer calculates the navigation information of also display simulation dolly to instruct the traffic direction of simulation dolly future time.
Wireless locating module device is responsible for the position coordinates of measure analog dolly in indoor, and nine-degree of freedom inertial navigation module device is responsible for simulating the measurement of dolly four direction (east orientation, south orientation, west are to, north orientation) acceleration and simulation dolly course angle.Host computer completes calculating and the display to simulating dolly navigation information by the data message collected.The base station in wireless locating module device is laid in the position suitable in indoor, only need ensure that base station is in label wireless signal coverage.In the process that simulation dolly runs along projected path, can be obtained the navigation information such as position coordinates, operation attitude, travelling speed and distance of simulation dolly by wireless locating module device and inertial navigation module device, observer just can determine the operation orientation simulating dolly future time according to the navigation information in host computer.
The invention has the beneficial effects as follows, the cumulative errors that inertial navigation produces can be overcome on the one hand, navigation accuracy is high, the shortcoming that wireless locating module device is subject to external environmental interference can be overcome on the other hand, comprehensive movable information can be provided, and for indoor integrated navigation system practical application performance checking provide possibility.
Accompanying drawing explanation
Fig. 1 is simulation vehicle structure schematic diagram.Fig. 2 is overall schematic of the present invention.
In figure, 1 engaged wheel, 2 driving wheels, 3 servomotors, 4 control boxs, 5 host computers, 6 labels and nine-degree of freedom inertial navigation module device, 7 crawler belts.8 base stations, 9 interior spaces, the people of 10 remote operated vehicles.
Embodiment
Below in conjunction with accompanying drawing, the invention is described in further details.
Whole indoor integrated navigation simulation checking system is made up of wireless locating module device, nine-degree of freedom inertial navigation module device, simulation dolly and host computer four part.
Wireless locating module device: this modular device is divided into base station 8 and label two parts, an X-Y scheme is constructed according to the application scenarios of reality, lay base station in a two dimensional, the position coordinates of base station is known, base station is as a reference point is used for measuring the position of label, the position laying base station suitable in indoor, determines place and the quantity of laying according to the specific environment of indoor; Label is positioned on simulation dolly, to be connected with host computer by USB serial bus and to communicate, when returning the range information of label and its peripheral base station after the positioning command receiving host computer, host computer calculates the position coordinates of label in application scenarios by the range information of the label that receives and base station.
Nine-degree of freedom inertial navigation module device: this modular device comprises three-axis gyroscope sensor, three axle acceleration sensors, three axle magnetic induction sensors and a data processing chip and serial communication interface.Therefore the information of the acceleration of simulation dolly, angular velocity and angle can be gathered.Data processing chip merges sensing data, and complete the measurement to simulation dolly four direction (east orientation, south orientation, west are to, north orientation) acceleration and simulation dolly course angle, serial communication interface is connected with host computer by USB serial bus.
Simulation dolly is divided into three layers from top to bottom.Ground floor is power plant module device, mainly comprises four wheels of dolly, two servomotors.Dolly adopts two driving wheels 2, the drive pattern of two engaged wheels 1, two driving wheels 2 are connected with two servomotors 3 respectively by crawler belt 7, two engaged wheels make 1 be universal wheel, complete the forward-reverse of dolly by the rotation direction and rotating speed controlling two servomotors 3 and turn left to turn right.The second layer is the motor control unit device of dolly, power module device and wireless receiving module device, focused in control box 4, motor control unit device uses one piece to believe, and prompt PLC controls the driver of two servomotors respectively, power module device uses two pieces of accumulators to power, accept Remote by wireless receiving module device to control, can control in the long-range forward-reverse to dolly, left-hand rotation right-hand rotation.The second layer completes providing of power in the basic exercise of dolly and dolly jointly, and can carry out strict monitoring by motor control unit device to the travelling speed of simulation dolly and travel distance.Third layer is mainly placed the label of wireless locating module device 6, nine-degree of freedom inertial navigation module device 6 and host computer 5, label and nine-degree of freedom inertial navigation module device 6 carry out being connected with host computer 5 by USB serial bus and communicate, by the traffic direction of the position coordinates recording simulation dolly, travelling speed and dolly that wireless locating module device and inertial navigation module device can be real-time.
Host computer 5 can the traffic direction of the position coordinates of display simulation dolly, travelling speed, motion track and dolly in real time.In the process that dolly runs along projected path, host computer calculates the navigation information of also display simulation dolly to instruct the traffic direction of simulation dolly future time.
Set up two-dimentional rectangular plots according to the actual size of indoor environment and shape, in coordinate diagram, lay base station, the laying number of base station and place are determined according to the needs of indoor environment and shape.The position laying base station suitable in indoor, only need ensure that base station is in label wireless signal coverage.The present embodiment carries out in a rectangular chamber, respectively lays a base station at four angles of these indoor, and four position coordinateses of base station in coordinate diagram are known, and will lay the coordinate diagram information of base station stored in host computer.In the process that simulation dolly runs along projected path, host computer sends positioning command first can to the label in simulation dolly third layer in wireless locating module device, can return to the air line distance of this its peripheral base station of tag distances of host computer after label receives orders, host computer can calculate the simulation position coordinates of dolly in indoor and the movement locus of display simulation dolly according to this distance; Meanwhile, host computer also can receive the information from inertial navigation module device, the traffic direction of simulation dolly, movement velocity and distance is presented in host computer.Host computer is controlled for the information reading time of this two large modular device, and the information processing of the two is non-interfering, by drawing one group of new position coordinates to the fusion of two modular device data, running the navigation information of attitude, travelling speed and distance.The cumulative errors that inertial navigation produces can be overcome by this method on the one hand, the shortcoming that wireless locating module device is subject to external environmental interference can be overcome on the other hand.Observer just can determine the operation orientation simulating dolly future time according to the navigation information in host computer.
Claims (8)
1. an indoor integrated navigation simulation checking system, is characterized in that, comprises with lower part:
Wireless locating module device: comprise base station and label, the position laying base station suitable in indoor, as a reference point being used for measures the position of label, label is positioned on simulation dolly, be connected with host computer and communicate, when returning the range information of label and its peripheral base station after the positioning command receiving host computer;
Nine-degree of freedom inertial navigation module device: be positioned on simulation dolly, be connected communicate with host computer, completes the measurement to simulation dolly all directions four direction acceleration and simulation dolly course angle;
Simulation dolly: be provided with wireless receiving module device, accepts Remote and controls, realize forward-reverse, left-hand rotation right-hand rotation activity; Simulation dolly is also placed host computer, is recorded position coordinates, travelling speed and the traffic direction of simulating dolly by label and inertial navigation module device in real time;
And, host computer: calculate and the traffic direction of the position coordinates of real-time display simulation dolly, travelling speed, motion track and dolly, to instruct the traffic direction of simulation dolly future time.
2. indoor integrated navigation simulation checking system according to claim 1, it is characterized in that: three-axis gyroscope sensor, three axle acceleration sensors, three axle magnetic induction sensors that nine-degree of freedom inertial navigation module device comprises a data processing chip and is attached thereto, gather the information of the acceleration of simulation dolly, angular velocity and angle.
3. indoor integrated navigation simulation checking system according to claim 1 and 2, is characterized in that: in wireless locating module device, determines the place that base station is laid and quantity according to the specific environment of indoor.
4. indoor integrated navigation simulation checking system according to claim 1 and 2, is characterized in that: host computer carries out being connected communicating with nine-degree of freedom inertial navigation module device with the label of wireless locating module device by USB serial bus.
5. indoor integrated navigation simulation checking system according to claim 1 and 2, is characterized in that: simulation dolly is provided with interconnective power plant module device, motor control unit device, power module device and described wireless receiving module device.
6. indoor integrated navigation simulation checking system according to claim 5, is characterized in that: simulation dolly is divided into three layers from top to bottom; Ground floor arranges power plant module device, comprises four wheels of dolly and the servomotor being connected driving wheel; The second layer arranges the motor control unit device of dolly, power module device and wireless receiving module device; Third layer is mainly placed the label of wireless locating module device, nine-degree of freedom inertial navigation module device and host computer.
7. indoor integrated navigation simulation checking system according to claim 5, is characterized in that: motor control unit device uses one piece of prompt PLC of letter to control the driver of two servomotors respectively, and power module device uses accumulator to power.
8. indoor integrated navigation simulation checking system according to claim 5, it is characterized in that: dolly adopts the drive pattern of two driving wheels, two servomotors, two engaged wheels, two driving wheels are connected with two servomotors respectively by crawler belt, two engaged wheels use universal wheel, complete the forward-reverse of dolly and turn left to turn right by the rotation direction and rotating speed controlling two servomotors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520057741.3U CN204405082U (en) | 2015-01-28 | 2015-01-28 | A kind of indoor integrated navigation simulation checking system |
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| CN201520057741.3U CN204405082U (en) | 2015-01-28 | 2015-01-28 | A kind of indoor integrated navigation simulation checking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613982A (en) * | 2015-01-28 | 2015-05-13 | 齐鲁工业大学 | Indoor integrated navigation simulation and verification system |
| CN108255094A (en) * | 2017-11-28 | 2018-07-06 | 南京航空航天大学 | A kind of ad hoc network intelligent carriage experimental data acquisition platform |
-
2015
- 2015-01-28 CN CN201520057741.3U patent/CN204405082U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613982A (en) * | 2015-01-28 | 2015-05-13 | 齐鲁工业大学 | Indoor integrated navigation simulation and verification system |
| CN108255094A (en) * | 2017-11-28 | 2018-07-06 | 南京航空航天大学 | A kind of ad hoc network intelligent carriage experimental data acquisition platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160128 |
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| EXPY | Termination of patent right or utility model |