JPH027154U - - Google Patents
Info
- Publication number
- JPH027154U JPH027154U JP8587888U JP8587888U JPH027154U JP H027154 U JPH027154 U JP H027154U JP 8587888 U JP8587888 U JP 8587888U JP 8587888 U JP8587888 U JP 8587888U JP H027154 U JPH027154 U JP H027154U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle speed
- calculation circuit
- detection means
- relative speed
- calculates
- 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 3
- 238000010586 diagram Methods 0.000 description 6
- 230000010365 information processing Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案の一実施例を示す制御ブロツク
図、第２図および第３図はそれぞれ異なる制御態
様を示す制御フローチヤート図、第４図は制御特
性図、第５図、第６図、第７図および第８図はそ
れぞれ従来装置の全体構成図、制御ブロツク図、
作動説明図および制御フローチヤート図である。
１……レーザ・レーダヘツド、５……車速セン
サ、９……警報発生ブザー、１０……情報処理装
置、１１……自車速計算回路、１３……相対速度
計算回路、１４……制動距離計算回路。
Fig. 1 is a control block diagram showing one embodiment of the present invention, Figs. 2 and 3 are control flowcharts showing different control modes, Fig. 4 is a control characteristic diagram, and Figs. 5 and 6. , FIG. 7, and FIG. 8 are an overall configuration diagram, a control block diagram, and a control block diagram of the conventional device, respectively.
FIG. 2 is an operation explanatory diagram and a control flowchart. DESCRIPTION OF SYMBOLS 1...Laser/radar head, 5...Vehicle speed sensor, 9...Warning buzzer, 10...Information processing device, 11...Vehicle speed calculation circuit, 13...Relative speed calculation circuit, 14...Braking distance calculation circuit .
Claims (1)
る距離検出手段とを備え、該車速検出手段からの
車速信号に基づき自車速を計算する自車速計算回
路と、前記距離検出手段からの距離信号に基づき
自車と対象体との相対速度を計算する相対速度計
算回路と、該相対速度計算回路からの相対速度信
号が所定値以上のときに静止体と判定し、所定値
以下のときに移動体と判定し、それぞれ異なる警
報発生距離を計算する制動距離計算回路とを設け
たこを特徴とする自動車の追突警報装置。 A vehicle speed calculation circuit comprising vehicle speed detection means and distance detection means consisting of a laser/radar head, and calculates the vehicle speed based on the vehicle speed signal from the vehicle speed detection means; a relative speed calculation circuit that calculates the relative speed between the object and the object; and a relative speed signal from the relative speed calculation circuit that determines that the object is stationary when it is greater than a predetermined value, and determined that it is a moving object when it is less than or equal to the predetermined value. 1. A rear-end collision warning device for an automobile, comprising: a braking distance calculation circuit for calculating different warning generation distances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8587888U JPH027154U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8587888U JPH027154U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027154U true JPH027154U (en) | 1990-01-17 |
Family
ID=31310531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8587888U Pending JPH027154U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027154U (en) |
-
1988
- 1988-06-30 JP JP8587888U patent/JPH027154U/ja active Pending
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