JPH01128118U - - Google Patents
Info
- Publication number
- JPH01128118U JPH01128118U JP2483988U JP2483988U JPH01128118U JP H01128118 U JPH01128118 U JP H01128118U JP 2483988 U JP2483988 U JP 2483988U JP 2483988 U JP2483988 U JP 2483988U JP H01128118 U JPH01128118 U JP H01128118U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- traveling direction
- traveling
- frequency component
- vehicle
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案のクレーム対応図、第２図は本
考案の構成を設明するブロツク図、第３図は出力
円説明図、第４図は車両方位方向説明図、第５図
は２種の出力電圧説明図、第６図はローパスフイ
ルター通過前後における走行方位説明図、第７図
および第８図は演算コントローラ７の処理手順を
示すフローチヤート、第９図は本考案の作用説明
図、第１０図は従来例における装置の作用説明図
である。
１……地磁気センサ、２……Ａ／Ｄ変換器、３
……センサ処理コントローラ、４……Ｄ／Ａ変換
器、５Ａ，５Ｂ……ローパスフイルター、６……
Ａ／Ｄ変換器、７……演算コントローラ、８……
車速センサ、９……ＣＲＴ。
Fig. 1 is a diagram corresponding to the claims of the present invention, Fig. 2 is a block diagram illustrating the configuration of the present invention, Fig. 3 is an explanatory diagram of the output circle, Fig. 4 is an explanatory diagram of the vehicle direction, and Fig. 5 is a diagram illustrating the direction of the vehicle. Figure 6 is a diagram explaining the running direction before and after passing through the low-pass filter, Figures 7 and 8 are flowcharts showing the processing procedure of the arithmetic controller 7, and Figure 9 is a diagram explaining the operation of the present invention. , FIG. 10 is an explanatory diagram of the operation of a conventional device. 1... Geomagnetic sensor, 2... A/D converter, 3
...Sensor processing controller, 4...D/A converter, 5A, 5B...Low pass filter, 6...
A/D converter, 7... Arithmetic controller, 8...
Vehicle speed sensor, 9...CRT.
Claims (1)
、 車両の走行方位を検出する走行方位検出手段と
、 上記走行方位検出手段により検出された走行方
位信号のうち、予め設定された周波数信号より高
い周波数成分を除去する高周波成分除去手段と、 上記高周波成分除去手段により高周波成分が除
去された方位信号に基づき、予め設定された所定
距離走行間に抽出された複数個の走行方位の平均
値を演算する平均値演算手段と、 上記平均値演算手段により演算された平均方位
と、その間に走行した上記所定距離に基づき、現
在位置を検出する現在位置検出手段と、 を備えることを特徴とする車両用現在位置検出
装置。[Scope of Claim for Utility Model Registration] A traveling distance detecting means for detecting the traveling distance of the vehicle, a traveling direction detecting means for detecting the traveling direction of the vehicle, and a traveling direction signal detected by the traveling direction detecting means in advance. A high frequency component removing means for removing a frequency component higher than a set frequency signal, and a plurality of azimuth signals extracted during a preset predetermined distance traveling based on the azimuth signal from which the high frequency component has been removed by the high frequency component removing means. An average value calculation means for calculating an average value of the traveling direction; and a current position detection means for detecting the current position based on the average direction calculated by the average value calculation means and the predetermined distance traveled during that time. A vehicle current position detection device characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483988U JPH01128118U (en) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483988U JPH01128118U (en) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128118U true JPH01128118U (en) | 1989-09-01 |
Family
ID=31245040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2483988U Pending JPH01128118U (en) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01128118U (en) |
-
1988
- 1988-02-26 JP JP2483988U patent/JPH01128118U/ja active Pending
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