CN101109800A - Vehicle navigation system for amending display and its display amending method - Google Patents
Vehicle navigation system for amending display and its display amending method Download PDFInfo
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- CN101109800A CN101109800A CNA2006101075424A CN200610107542A CN101109800A CN 101109800 A CN101109800 A CN 101109800A CN A2006101075424 A CNA2006101075424 A CN A2006101075424A CN 200610107542 A CN200610107542 A CN 200610107542A CN 101109800 A CN101109800 A CN 101109800A
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Abstract
The invention relates to an automobile navigation system with correcting display and the method for correcting the display. The system first gets the currently displayed location and reads the corresponding road link, then gets the next location and selects a road link that is less than 25 cm away from the location, so as to generate the first set of road link. In the next, the direction signal generated by the gyrometer is taken as the next running direction angle of the automobile, and a road link with an angle difference less than 5 degree from the next running direction is selected from the first set of road link to generate the second set of road link. Then, the vertical distance between the next vehicle location and the second set of road link is calculated, and the road link with the shortest vertical distance is selected. Finally, the projected point on the road link of the next automobile location on the shortest vertical distance is set as the next correction position, and the symbol representing the automobile is displayed on the next display location corresponding to the next correction position.
Description
Technical field
The present invention relates to a kind of Vehicular navigation system and display packing thereof, relate in particular to a kind of Vehicular navigation system and display amending method thereof that can on display screen, show through revised vehicle character position.
Background technology
The vehicle of Fig. 1 for showing that tradition has Vehicular navigation system (Navigation) function, on car, be provided with a global location device (Global Position System, GPS) 81, an and guider 82.Known GPS global location device 81 receives the signal of a plurality of HA Global Positioning Satellite 9 in the space at any time, and calculates vehicle coordinate at that time at any time.The built-in electronic map database 822 of microprocessor 821 comparison of guider 82, union go out at that time vehicle coordinate and represent the symbol of this vehicle to be shown on this display 83 with one again at the correspondence position of a map data of electronic map database 822.So that when allowing the driver drive, can understand vehicle location immediately.
Yet global location device 81 is because of the accuracy factor, and normal generation is as the situation of Fig. 2.Fig. 2 is that a known Vehicular navigation system shows the synoptic diagram that produces mistake.As shown in Figure 2, travel on road 220 when a driver drives a vehicle, when normal conditions, on behalf of the symbol 230 of this vehicle, one can be presented on the road 220, shown in circle A.Because the error of global location device 81, this microprocessor 821 is according to there being the vehicle coordinate at that time of error to compare built-in electronic map database 822, and this microprocessor 821 can be presented at the symbol 230 of representing this vehicle outside the road 220, shown in circle B.This kind mistake not only increases the driver to the doubt of condition of road surface at that time, more reduces the reliability of driver to Vehicular navigation system.Again, when this vehicle ' during in the tunnel, owing to can't receive the signal of these a plurality of HA Global Positioning Satellite 9, calculate at that time this moment, and vehicle coordinate is incorrect, this microprocessor 821 is compared built-in electronic map database 822 according to incorrect vehicle coordinate at that time, and on behalf of the symbol 230 of this vehicle, this microprocessor 821 can will be presented at the errors present place.Therefore, known Vehicular navigation system still has improved necessity.
Summary of the invention
The purpose of this invention is to provide a kind of Vehicular navigation system and display amending method thereof of revising demonstration, this system and method can solve the error because of global location device GPS, the vehicle location that produces show wrong problem.
A kind of display amending method of Vehicular navigation system is proposed according to the present invention, this Vehicular navigation system comprises a gyroscope equipment, a display screen, reaches an electronic map database, this gyroscope equipment produces garage's orientation angle, this electronic map database comprises a plurality of road links, on behalf of the symbol of a vehicle, this display packing be shown on the display position of this display screen with one, and wherein this display packing comprises the following step: (A) acquisition one display position instantly; (B) by read in this electronic map database this pairing road of display position link instantly, and at least one road that is connected to connection of corresponding road chain with this link; (C) capture next vehicle location; (D) have to choose with this next vehicle location at least one road link of connection by the link of this road corresponding and this and link at a distance of road less than one first specific range, link to produce one first group of road, and judge in this first group of road link whether have at least one road link; (E) have at least one road link if step (D) is judged this first group of road link, then this garage's orientation angle that produces with this gyroscope equipment is set at next garage's orientation angle; (F) link apart from road by the differential seat angle of choosing in this first group of road link with this next garage's orientation angle less than one first special angle, link to produce one second group of road, and judge in this second group of road link whether have at least one road link; (G) if judging this second group of road link, step (F) has at least one road link, then calculate the vertical range that the road of second group of road of this next vehicle location and this in linking links, and choose with this next vehicle location the road of short vertical range link, and set this next vehicle location and be next correction position in the road of the short vertical range incident point of chaining in this; (H) will represent the symbol of this vehicle to be shown under this display screen on the display position, wherein this next display position is for referring to the position of this next correction position corresponding to this display screen.
The present invention proposes a kind of Vehicular navigation system with the demonstration revised, and it comprises a gyroscope equipment, a global location device, an electronic map database, a display screen and a control device.This gyroscope equipment is arranged on this vehicle, in order to measuring the direction of this vehicle when advancing, and produces garage's orientation angle; This global location device is arranged on this vehicle, in order to receiving a plurality of satellite signals, with the global location coordinate data that produces this vehicle present position, a speed of a motor vehicle data, and global location quality indication data; This electronic map database comprises at least one map data and the link of a plurality of road; This display screen is in order to show that one represents symbol and this at least one map data of a vehicle; This control device is connected to this electronic map database, this gyroscope equipment and this global location device, reaches this display screen, this control device is for carrying out the following step (A) to (H), to represent the symbol of this vehicle to be shown on this display screen with one, this step (A) to (H) is respectively: (A) get a display position instantly; (B) by read in this electronic map database this pairing road of display position link instantly, and at least one road that is connected to connection of corresponding road chain with this link; (C) capture next vehicle location; (D) have to choose with this next vehicle location at least one road link of connection by the link of this road corresponding and this and link at a distance of road less than one first specific range, link to produce one first group of road, and judge in this first group of road link whether have at least one road link; (E) have at least one road link if step (D) is judged this first group of road link, then this garage's orientation angle that produces with this gyroscope equipment is set at next garage's orientation angle; (F) link apart from road by the differential seat angle of choosing in this first group of road link with this next garage's orientation angle less than one first special angle, link to produce one second group of road, and judge in this second group of road link whether have at least one road link; (G) if judging this second group of road link, step (F) has at least one road link, then calculate the vertical range that the road of second group of road of this next vehicle location and this in linking links, and choose with this next vehicle location the road of short vertical range link, and set this next vehicle location and be next correction position in the road of the short vertical range incident point of chaining in this; (H) will represent the symbol of this vehicle to be shown on next display position of this display screen, wherein this next display position is for referring to the position of this next correction position corresponding to this display screen.
Therefore, of the present invention have a position that the Vehicular navigation system that revise to show and display amending method thereof can correctly show a vehicle.And of the present invention have Vehicular navigation system and a display amending method thereof that revise to show, it can solve the error because of global location device GPS, the problem of the institute's vehicle location that produces demonstration mistake.
Description of drawings
Fig. 1 is a known synoptic diagram with vehicle of Vehicular navigation system function.
Fig. 2 is that a known vehicle navigational system shows the synoptic diagram that produces mistake.
Fig. 3 is the calcspar of Vehicular navigation system of the present invention.
Fig. 4 is the process flow diagram of the display packing of a kind of Vehicular navigation system of the present invention.
Fig. 5 is the process flow diagram of display amending method of the present invention.
Fig. 6 is the running synoptic diagram of Vehicular navigation system of the present invention.
Symbol description among the figure:
HA Global Positioning Satellite 9 microprocessors 821
Electronic map database 822 displays 83
Road 220 is represented the symbol 230 of this vehicle
Speed of a motor vehicle measuring equipment 330 electronic map database 340
Road link R610, R620, R630, R640, R680, R690
Road link R710, R720, R730, R740
Instantly display position 650 next vehicle location 660
Embodiment
Fig. 3 is the calcspar with Vehicular navigation system of the demonstration revised of the present invention.This Vehicular navigation system comprises a gyroscope equipment 310, a global location device (Global Position System, GPS) 320, one speed of a motor vehicle measuring equipment (velocity measurement), 330, one electronic map database 340, a display screen 350, an and control device 360.
This gyroscope equipment 310 is arranged on this vehicle (figure do not show), in order to measuring the direction of this vehicle when advancing, and produces garage's orientation angle.This global location device (GPS) 320 is arranged on this vehicle, in order to receive a plurality of satellite signals, with a global location coordinate (GPS coordinates) data, a speed of a motor vehicle data (velocity data), a headstock angle data (head angle) and global location quality indication (the GPS quality indicator) data that produces this vehicle present position.This speed of a motor vehicle measuring equipment 330 is arranged on this vehicle, produces a speed of a motor vehicle signal (velocity signal) in order to the travel speed (driving speed) that measures this vehicle.
This electronic map database 340 comprises at least one map data and the link of a plurality of road, and wherein each road link (road link) is corresponding to the road in this at least one map data.Each road link also record is connected at least one road that is connected with this road chain and links.This display screen 350 is in order to show that one represents symbol and this at least one map data of a vehicle.This control device 360 is connected to this electronic map database 340, this gyroscope equipment 310, this speed of a motor vehicle measuring equipment 330, this global location device 320, reaches this display screen 350.This control device 360 is the output data of this global location device 320 of reception, and revises the garage's orientation angle of this gyroscope equipment 310 and the speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment 330 according to this.On behalf of the symbol of a vehicle, this control device 360 also be shown on the display position of this display screen 350 with one.
Fig. 4 is the process flow diagram of the display amending method of a kind of Vehicular navigation system of the present invention.At first, carry out initialization in step S410, this control device 360 is this gyroscope equipment 310 of initialization, this global location device 320, this speed of a motor vehicle measuring equipment 330, reaches this display screen 350, and sets the related work parameter.Simultaneously, this control device 360 is according to the garage's orientation angle of this gyroscope equipment 310 and the speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment 330, to calculate a display position instantly.
In step S420, judge that whether this global location quality indication (GPS quality indicator) data is more than or equal to 1.Wherein, this global location quality indication data is good more than or equal to 1 these global location device (GPS) 320 signal qualities that received of expression.
If the value that step S420 judges this global location quality indication field more than or equal to 1, judges according to this speed of a motor vehicle data of this global location device 320 whether this vehicle speed surpasses 10 kilometers/hour (one first preset vehicle speed) again in step S430.If step S430 judges this vehicle speed and surpasses 10 kilometers/hour, then use this headstock angle data of this global location device 320, this garage's orientation angle of this gyroscope equipment 310 is revised (step S440).In step S440, calculate this garage's orientation angle that this gyroscope equipment of this headstock angle data correction 310 of this global location device 320 produces to produce an angle correction.
In step S450, declare this disconnected vehicle speed and whether surpass 60 kilometers/hour (one second preset vehicle speed).If step S450 judges this vehicle speed and surpasses 60 kilometers/hour, then calculate this speed of a motor vehicle signal of these speed of a motor vehicle measuring equipment 330 generations of this speed of a motor vehicle data correction of this global location device 320 and revise the speed of a motor vehicle (step S460) to produce one.
In step S470, when the value of this global location quality indication field less than 1 the time, this control device 360 calculates next vehicle location of this vehicle according to this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment 330 and this garage's orientation angle of this gyroscope equipment 310.When the value of this global location quality indication field more than or equal to 1 and this vehicle speed surpass 10 kilometers/hour, this control device 360 calculates next vehicle location of this vehicle according to this speed of a motor vehicle signal and this angle correction of this speed of a motor vehicle measuring equipment 330.When the value of this global location quality indication field more than or equal to 1 and this vehicle speed surpass 60 kilometers/hour, this control device 360 is revised the speed of a motor vehicle and this angle correction according to this, calculates next vehicle location of this vehicle.Step S480 is a display amending method of the present invention.In step S480, according to next vehicle location of this vehicle, with the map comparison of this electronic map database, in order to do representing the symbol of a vehicle to be shown on next display position of this display screen with one.
Fig. 5 is the process flow diagram of step S480 of the present invention.In step (A), these control device 360 acquisitions one are display position instantly.This instantly display position be one to represent the symbol of this vehicle to be shown in the position of this display screen 350.In step (B), this control device 360 by read in this electronic map database 340 this pairing road of display position link (road link) instantly, and at least one road that is connected to connection of corresponding road chain with this link.As shown in Figure 6, this instantly display position for indicating 650 places, with this instantly display position 650 pairing roads be linked as R610.This control device 360 read road link R610, and corresponding road with this link R610 and have at least one road of connection to link (R620, R630, R640, reach R680).
In step (C), these control device 360 next vehicle locations of acquisition.By the flow process of Fig. 4 as can be known, when the value of this global location quality indication field less than 1 the time, this control device 360 calculates next vehicle location of this vehicle according to this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment 330 and this garage's orientation angle of this gyroscope equipment 310.When the value of this global location quality indication field more than or equal to 1 and this vehicle speed surpass 10 kilometers/hour, this control device 360 calculates next vehicle location of this vehicle according to this speed of a motor vehicle signal and this angle correction of this speed of a motor vehicle measuring equipment 330.When the value of this global location quality indication field more than or equal to 1 and this vehicle speed surpass 60 kilometers/hour, this control device 360 is revised the speed of a motor vehicle and this angle correction according to this, calculates next vehicle location of this vehicle.This next vehicle location only is the reference value of subsequent calculations, can't be shown on this display screen 350.For convenience of description, with this next vehicle location for being shown in 660 places among Fig. 6.
In step (D), by this road link R610, and corresponding road with this link R610 and has at least one road of connection to link to choose with this next vehicle location 660 in (R620, R630, R640, reach R680) and apart link less than the road of 25 meters (first specific ranges), link to produce one first group of road, and judge in this first group of road link whether have at least one road link.As shown in Figure 6, road link R610, R620, R630, and R640 all with the distance of this next vehicle location 660 less than 25 meters, so this first group of road links and then comprise road and link R610, R620, R630, reach R640.The distance of road link R680 and this next vehicle location 660 is greater than 25 meters, so not in this first group of road link.
In step (E), there is straight at least one road link if judge this first group of road link in the step (D), then the garage's orientation angle that produces with this gyroscope equipment 310 is set at next garage's orientation angle.In other embodiment, also can be with in the special time, the mean value of garage's orientation angle that this gyroscope equipment 310 produces is set at next garage's orientation angle.Also can be by (road links R610, R620, R630, reaches R640) in first group of road chain, the road of choosing the angle difference minimum of this garage's orientation angle mean value that produces with this gyroscope equipment 310 links, with the direction of the road of this direction difference minimum link, be set at next garage's orientation angle again.
In step (F), link apart from road by the differential seat angle of choosing in this first group of road link with this next garage's orientation angle less than 5 ° (first special angles), link to produce one second group of road, and judge in this second group of road link whether exist to few road link is arranged.In first group of road link, the differential seat angle distance of road link R610 and R630 and this next garage's orientation angle is less than 5 °, and the differential seat angle distance of road link R620 and R640 and this next garage's orientation angle is greater than 5 °, so comprise road link R610 and R630 in second group of road link.
In step (G), if judging this second group of road link, step (F) has at least one road link, then calculate the vertical range that the road of second group of road of this next vehicle location 660 and this in linking links (road links R610 and R630).And choose with this next vehicle location 660 the road of short vertical range link (road links R610), and set this next vehicle location 660 and be next correction position in the incident point in the road link (road link R610) of short vertical range in this.
In step (H), the symbol of representing this vehicle is shown on next display position 670 of this display screen 350, wherein this next display position 670 is for referring to the position of this next correction position corresponding to this display screen 350.
If judging in this first group of road link, step (D) do not have at least one road link, then execution in step (G1).If judging in this second group of road link, step (F) do not have at least one road link, also execution in step (G1).
In step (G1), calculate this road corresponding link and this weighted value that has at least one road of connection to link in this step (D).That is calculate road link R610, R620 in this first group of road link, R630, R640, and the weighted value of R680.This weighted value W calculates according to following formula:
W＝(0.5×R/25)+(0.5×Δθ/180)，
Wherein, W is a weighted value, the R vertical range that to be this next vehicle location 660 link with this road, the Δ θ angle difference that to be garage's orientation angle of producing of this gyroscope equipment 310 link with this road.
In step (G2), (R610, R620, R630, R640, and R680) chooses with this next vehicle location 660 and links at a distance of the road less than 50 meters (second specific ranges) in these roads link by this road corresponding data structure, to produce one the 3rd group of road link, this second specific range is greater than this first specific range.Link for being illustrated in this next vehicle location 660 no road in 25 meters this moment, or have road to link in 25 meters apart with this next vehicle location 660, but this road links the differential seat angle distance of this and next garage's direction all greater than 5 °.So the time be the center still with this next vehicle location 660, enlarge search for the road link.
In step (G3), in the link of the 3rd group of road, the differential seat angle of choosing with this next garage's orientation angle link apart from the road less than one second special angle (5 °), links to produce one the 4th group of road.And judge whether have at least one road link in the 4th group of road link.
In step (G4), if step (G3) is judged the 4th group of road link and is existed to few road link is arranged, choose the road link of weighted value minimum, and to set this next vehicle location be next correction position in the incident point that the road of this weighted value minimum chains, and execution in step (H).
In step (G31), if step (G3) judges that no any road link exists in the 4th group of road link, this moment is for representing that this vehicle is to travel on one not on the stored road of this electronic map database 340 (may be the road of newly warding off).It is this next correction position that this control device 360 is set this next vehicle location, and execution in step (H).
In sum, the present invention can overcome and will represent the symbol 230 of this vehicle because of the error of global location device and be presented at the outer problem of road 220.Simultaneously, indicate data more than or equal to 1 output of revising this gyroscope equipment 310 and this speed of a motor vehicle measuring equipment 330 when this global location quality of this global location device 320, avoid this gyroscope equipment 310 can correctly show the position of a vehicle because of the error that earth rotation produced.When this global location quality indication data of this global location device 320 less than 1 the time, according to this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment 330 and this garage's orientation angle of this gyroscope equipment 310, calculate next vehicle location of this vehicle, when avoiding the error of this global location device 320 or signal quality not good, the problem that the symbol 230 that will represent this vehicle is presented at the errors present place that produces, and can correctly show the position of a vehicle.
The foregoing description is only given an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (13)
1. the display amending method of a Vehicular navigation system, this Vehicular navigation system comprises a gyroscope equipment, a display screen, reaches an electronic map database, this gyroscope equipment produces garage's orientation angle, this electronic map database comprises a plurality of road links, on behalf of the symbol of a vehicle, this display packing for be shown on the display position of this display screen with one, and wherein this display packing comprises the following step:
(A) acquisition one display position instantly;
(B) by read in this electronic map database this pairing road of display position link instantly, and at least one road that is connected to connection of corresponding road chain with this link;
(C) capture next vehicle location;
(D) have to choose with this next vehicle location at least one road link of connection by the link of this road corresponding and this and link at a distance of road less than one first specific range, link to produce one first group of road, and judge in this first group of road link whether have at least one road link;
(E) have at least one road link if step (D) is judged this first group of road link, then this garage's orientation angle that produces with this gyroscope equipment is set at next garage's orientation angle;
(F) link apart from road by the differential seat angle of choosing in this first group of road link with this next garage's orientation angle less than one first special angle, link to produce one second group of road, and judge in this second group of road link whether have at least one road link;
(G) if judging this second group of road link, step (F) has at least one road link, then calculate the vertical range that the road of second group of road of this next vehicle location and this in linking links, and choose with this next vehicle location the road of short vertical range link, and set this next vehicle location and be next correction position in the road of the short vertical range incident point of chaining in this; And
(H) will represent the symbol of this vehicle to be shown on next display position of this display screen, wherein this next display position is for referring to the position of this next correction position corresponding to this display screen.
2. display amending method as claimed in claim 1, it more comprises the following step:
(G1) if judging in this second group of road link, step (F) do not have at least one road link, then calculate this road corresponding link and this weighted value that has at least one road of connection to link in this step (B), wherein, this weighted value W vertical range R that to be this next vehicle location of finger link with these roads, and the function W=f (R, Δ θ) that formed of the angle difference Δ θ that links of this garage's orientation angle and these roads;
(G2) have to choose with this next vehicle location at least one road link of connection by the link of this road corresponding and this and link at a distance of road less than one second specific range, to produce one the 3rd group of road link, this second specific range is greater than this first specific range, and by in the 3rd group of road link, choose with the differential seat angle of this next garage's orientation angle and link, link to produce one the 4th group of road apart from road less than one second special angle; And
(G3) judge whether the 4th group of road link has at least one road link; And
(G4) if judging the 4th group of road link, step (G3) has at least one road link, then choose the road link of its weighted value minimum, and set this next vehicle location and be next correction position, and execution in step (H) in the incident point that the road of this weighted value minimum chains.
3. display amending method as claimed in claim 2, it more comprises the following step:
(G31) if step (G3) judges that no any road link exists in the 4th group of road link, then set this next vehicle location and be next correction position, and execution in step (H).
4. wherein, there is not at least one road link in display amending method as claimed in claim 2 if step (D) is judged in this first group of road link, and then execution in step (G1) (G2), (G3), reaches (G4).
5. display amending method as claimed in claim 2, wherein, the weighted value W of step (G1) calculates according to following formula:
W＝(0.5×R/25)+(0.5×Δθ/180)。
6. display amending method as claimed in claim 1, wherein, this Vehicular navigation system more comprises a global location device, an and speed of a motor vehicle measuring equipment, this global location device is arranged on this vehicle, in order to receive a plurality of satellite signals, to produce a global location coordinate data, one speed of a motor vehicle data, and global location quality indication data, this speed of a motor vehicle measuring equipment is arranged on this vehicle, produce a speed of a motor vehicle signal in order to the travel speed that measures this vehicle, wherein, when the value of this global location quality indication data during less than this first particular value, then according to this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment, and this garage's orientation angle of this gyroscope equipment, calculate this next vehicle location in the step (C).
7. display amending method as claimed in claim 6, wherein, this global location device more produces a headstock angle data, when the value of this global location quality indication data surpasses the one first specific speed of a motor vehicle more than or equal to the size of one first particular value and this speed of a motor vehicle data, then calculate this garage's orientation angle that this gyroscope equipment of this headstock angle data correction of this global location device produces producing an angle correction, and be set at this next garage's orientation angle for this garage's orientation angle that produces with this gyroscope equipment after adding this angle correction in the step (E).
8. display amending method as claimed in claim 7, wherein, when the value of this global location quality indication data surpasses the one second specific speed of a motor vehicle more than or equal to the size of one first particular value and this speed of a motor vehicle data, then calculate this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment generation of this speed of a motor vehicle data correction of this global location device and revise the speed of a motor vehicle to produce one, wherein, this second specific speed of a motor vehicle is greater than this first specific speed of a motor vehicle.
9. one kind has the Vehicular navigation system that correction shows, it comprises:
One gyroscope equipment is arranged on this vehicle, in order to measuring the direction of this vehicle when advancing, and produces garage's orientation angle;
One global location device is arranged on this vehicle, in order to receiving a plurality of satellite signals, with the global location coordinate data that produces this vehicle present position, a speed of a motor vehicle data, and global location quality indication data;
One electronic map database, it comprises at least one map data and the link of a plurality of road;
One display screen is represented symbol and this at least one map data of a vehicle in order to show one; And
One control device, be connected to this electronic map database, this gyroscope equipment and this global location device, reach this display screen, this control device is for carrying out the following step (A) to (H), to represent the symbol of this vehicle to be shown on this display screen with one, this step (A) to (H) is respectively: (A) get a display position instantly; (B) by read in this electronic map database this pairing road of display position link instantly, and at least one road that is connected to connection of corresponding road chain with this link; (C) capture next vehicle location; (D) have to choose with this next vehicle location at least one road link of connection by the link of this road corresponding and this and link at a distance of road less than one first specific range, link to produce one first group of road, and judge in this first group of road link whether have at least one road link; (E) have at least one road link if step (D) is judged this first group of road link, then this garage's orientation angle that produces with this gyroscope equipment is set at next garage's orientation angle; (F) link apart from road by the differential seat angle of choosing in this first group of road link with this next garage's orientation angle less than one first special angle, link to produce one second group of road, and judge in this second group of road link whether have at least one road link; (G) if judging this second group of road link, step (F) has at least one road link, then calculate the vertical range that the road of second group of road of this next vehicle location and this in linking links, and choose with this next vehicle location the road of short vertical range link, and set this next vehicle location and be next correction position in the road of the short vertical range incident point of chaining in this; (H) will represent the symbol of this vehicle to be shown on next display position of this display screen, wherein this next display position is for referring to the position of this next correction position corresponding to this display screen.
10. display system as claimed in claim 9, it more comprises:
One speed of a motor vehicle measuring equipment is arranged on this vehicle, produces a speed of a motor vehicle signal in order to the speed that measures this vehicle.
11. display system as claimed in claim 10, wherein, when the value of this global location quality indication data during, then, calculate this next vehicle location in the step (C) according to this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment and this garage's orientation angle of this gyroscope equipment less than this first particular value.
12. display system as claimed in claim 11, wherein, when this global location quality indicates the value of data more than or equal to one first particular value, and when the size of this speed of a motor vehicle data surpasses the one first specific speed of a motor vehicle, then calculate this garage's orientation angle that this gyroscope equipment of this headstock angle data correction of this global location device produces producing an angle correction, and this garage's orientation angle that produces with this gyroscope equipment in the step (E) adds that this angle correction is set at this next garage's orientation angle.
13. display system as claimed in claim 12, wherein, when this global location quality indicates the value of data more than or equal to one first particular value, and when the size of this speed of a motor vehicle data surpasses the one second specific speed of a motor vehicle, then calculate this speed of a motor vehicle signal of this speed of a motor vehicle measuring equipment generation of this speed of a motor vehicle data correction of this global location device and revise the speed of a motor vehicle to produce one, wherein, this second specific speed of a motor vehicle is greater than this first specific speed of a motor vehicle.
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| CNA2006101075424A CN101109800A (en) | 2006-07-20 | 2006-07-20 | Vehicle navigation system for amending display and its display amending method |
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| CNA2006101075424A CN101109800A (en) | 2006-07-20 | 2006-07-20 | Vehicle navigation system for amending display and its display amending method |
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| CNA2006101075424A Pending CN101109800A (en) | 2006-07-20 | 2006-07-20 | Vehicle navigation system for amending display and its display amending method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102317742A (en) * | 2009-05-29 | 2012-01-11 | 三菱重工业株式会社 | Vehicle position measurement device and vehicle position measurement method |
| CN104422449A (en) * | 2013-08-27 | 2015-03-18 | 上海博泰悦臻电子设备制造有限公司 | Vehicle navigation method and vehicle navigation device |
| CN104736966A (en) * | 2013-03-28 | 2015-06-24 | 株式会社咕嘟妈咪 | Route determination system |
| CN108871356A (en) * | 2018-04-13 | 2018-11-23 | 维沃移动通信有限公司 | A kind of traffic navigation method, mobile terminal |
| CN110869234A (en) * | 2017-09-20 | 2020-03-06 | Jvc建伍株式会社 | Vehicular projection control device, head-up display device, vehicular projection control method, and program |
-
2006
- 2006-07-20 CN CNA2006101075424A patent/CN101109800A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102317742A (en) * | 2009-05-29 | 2012-01-11 | 三菱重工业株式会社 | Vehicle position measurement device and vehicle position measurement method |
| CN104736966A (en) * | 2013-03-28 | 2015-06-24 | 株式会社咕嘟妈咪 | Route determination system |
| CN104422449A (en) * | 2013-08-27 | 2015-03-18 | 上海博泰悦臻电子设备制造有限公司 | Vehicle navigation method and vehicle navigation device |
| CN104422449B (en) * | 2013-08-27 | 2017-09-05 | 上海博泰悦臻电子设备制造有限公司 | A kind of method of automobile navigation, device |
| CN110869234A (en) * | 2017-09-20 | 2020-03-06 | Jvc建伍株式会社 | Vehicular projection control device, head-up display device, vehicular projection control method, and program |
| CN110869234B (en) * | 2017-09-20 | 2022-10-04 | Jvc建伍株式会社 | Vehicular projection control device, head-up display device, vehicular projection control method, and recording medium |
| CN108871356A (en) * | 2018-04-13 | 2018-11-23 | 维沃移动通信有限公司 | A kind of traffic navigation method, mobile terminal |
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