JPS6110582U - Road condition detection device - Google Patents
Road condition detection deviceInfo
- Publication number
- JPS6110582U JPS6110582U JP9445084U JP9445084U JPS6110582U JP S6110582 U JPS6110582 U JP S6110582U JP 9445084 U JP9445084 U JP 9445084U JP 9445084 U JP9445084 U JP 9445084U JP S6110582 U JPS6110582 U JP S6110582U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- road surface
- wave
- condition detection
- road condition
- 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
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図はこの考案のブロック図、第２図はこの考案の一
実施例に係る路面状況検知装置のブロック図、第３図は
距離計測手段の動作を示すフローチャート、第４図は距
離計測装置において超音波のパルス発信のタイミングを
示すタイミングチャート、第５図は上記実施例の動作を
示すフローチャート、第６図は草地における距離計測装
置からの距離データの時間変動を示すグラフである。
Ａ・・・距離計測手段、Ｂ・・・演算手段、Ｃ・・・判
断手段。[Brief Description of the Drawings] Fig. 1 is a block diagram of this invention, Fig. 2 is a block diagram of a road surface condition detection device according to an embodiment of this invention, Fig. 3 is a flowchart showing the operation of the distance measuring means, Fig. 4 is a timing chart showing the timing of ultrasonic pulse transmission in the distance measuring device, Fig. 5 is a flowchart showing the operation of the above embodiment, and Fig. 6 shows temporal fluctuations in distance data from the distance measuring device in grassland. This is a graph showing. A...Distance measuring means, B...Calculating means, C...Judging means.
Claims (1)
らの反射波を受信する受信器の受信波との時間差から距
離を計測する距離計測手段と、計測した所定時間内の距
離データとその距離データの平均値との差の絶対値の和
を演算する演算手段と、この絶対値の和が予め定めた基
準値よりも大きくなった時に信号を発する判断手段とを
備えて成る路面状況検知装置。Distance measuring means for measuring distance from a time difference between a transmitted wave from a transmitter that transmits a detected wave toward a road surface and a received wave from a receiver that receives a reflected wave from the road surface; A road surface condition comprising calculation means for calculating the sum of the absolute values of the differences from the average value of the distance data, and judgment means for emitting a signal when the sum of the absolute values becomes larger than a predetermined reference value. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9445084U JPS6110582U (en) | 1984-06-26 | 1984-06-26 | Road condition detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9445084U JPS6110582U (en) | 1984-06-26 | 1984-06-26 | Road condition detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6110582U true JPS6110582U (en) | 1986-01-22 |
Family
ID=30652987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9445084U Pending JPS6110582U (en) | 1984-06-26 | 1984-06-26 | Road condition detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110582U (en) |
-
1984
- 1984-06-26 JP JP9445084U patent/JPS6110582U/en active Pending
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