JPS58101211U - automobile speed control device - Google Patents
automobile speed control deviceInfo
- Publication number
- JPS58101211U JPS58101211U JP19868681U JP19868681U JPS58101211U JP S58101211 U JPS58101211 U JP S58101211U JP 19868681 U JP19868681 U JP 19868681U JP 19868681 U JP19868681 U JP 19868681U JP S58101211 U JPS58101211 U JP S58101211U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle speed
- memory
- pulse
- rest period
- signal
- 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.)
- Granted
Links
Landscapes
- Controls For Constant Speed Travelling (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Velocity Or Acceleration (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
第１図は本考案の一実施例のブロック図、第２図は可変
抵抗器３５の具体的な構成を示す電気回路図、第３図は
可変抵抗器３５からの出力と設定車速との関係を示すグ
ラフ、第４図は可変抵抗器３５の他の実施例の構成を示
す電気回路図、第５図はアナログ／デジタル変換器３６
の具体的な電気回路図、第６図はアナログ／デジタル変
換器３６によるプリセットされるべぎ設定車速を読込む
ための動作を説明するための波形図、第６Ａ図はアナロ
グデジタル変換器３６からの出力の計数誤差を生じる場
合を説明するための波形図、第７図はアナログ／デジタ
ル変換器３６からの出力を読る取るための動作を示すフ
ローチャート、第８図は車速検出手段１６からマイクロ
コンピュータ１５の割込み入力端子ｉＲＱに入力される
信号の波′形図、第９図は車速検出手段１６からの信号
を受信することによってマイクロコンピュータ１５が
−行なう割込み動作を説明するためのフローチャ
ート、第１０図は本考案の動作を説明するための波形図
、第１１図は車速検出手段１６から導出されるパルスと
実車速との関係を示し、かつアナログ／デジタル変換器
３６から導出される信号の特−性を示すグラフである。
１・・・スロットル弁、’２・・・リンク機構、３・・
・アクセルペダル、４・・・アクチュエータ、７．８・
・・電磁弁、１５・・・マイクロコンピュータ、１６・
・・車速検出手段、２１・・・セットスイッチ、２２・
・・リジュームスイッチ、２３・・・メモリ、２４・・
・パーキンゲスインチ、２５・・・ブレーキスイッチ、
３０．３３・・・時定数回数、３４・・・プリセットス
イッチ、３５゜４５・・・可変抵抗器、３６・・・アナ
ログ／デジタル変換器、６５． ７０−・・カウンタ１
２３・・・クララチスインチ。
第３図
第４図 ３５
７
°う
第５図
甲
１ Ｙ″−“四−゛−１甲
第６図 」
＋印几月丁「■上Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is an electric circuit diagram showing the specific configuration of the variable resistor 35, and Fig. 3 is the relationship between the output from the variable resistor 35 and the set vehicle speed. 4 is an electric circuit diagram showing the configuration of another embodiment of the variable resistor 35, and FIG. 5 is an analog/digital converter 36.
6 is a waveform diagram for explaining the operation of reading the preset vehicle speed by the analog/digital converter 36, and FIG. 6A is the output from the analog/digital converter 36. 7 is a flowchart showing the operation for reading the output from the analog/digital converter 36, and FIG. 8 is a waveform diagram to explain the case where a counting error occurs. FIG. FIG. 9 is a waveform diagram of the signal input to the interrupt input terminal iRQ of the microcomputer 15 by receiving the signal from the vehicle speed detection means 16.
- a flowchart for explaining the interrupt operation to be performed; FIG. 10 is a waveform diagram for explaining the operation of the present invention; FIG. 11 shows the relationship between the pulses derived from the vehicle speed detection means 16 and the actual vehicle speed; 3 is a graph showing the characteristics of a signal derived from an analog/digital converter 36; 1... Throttle valve, '2... Link mechanism, 3...
・Accelerator pedal, 4...actuator, 7.8・
...Solenoid valve, 15...Microcomputer, 16.
...Vehicle speed detection means, 21...Set switch, 22.
...Resume switch, 23...Memory, 24...
・Parking gauge, 25...brake switch,
30.33...Time constant number of times, 34...Preset switch, 35°45...Variable resistor, 36...Analog/digital converter, 65. 70--Counter 1
23...Claratis Inch. Figure 3 Figure 4 35 7° Figure 5 A1 Y"-"4-゛-1 A Figure 6"
Claims (1)
車速検出手段と、 設定車速に対応したパルス幅またはパルス休止期間を有
する信号を発生する車速設定手段と、スロットル弁を駆
動して開度を変化する駆動手段と、 メモリを有し、実車速がメモリにストアされている車速
となるようにデユーティを演算し、その得られたデユー
ティで前記駆動手段を制御するマイクロコンピュータと
を含み、 車速設定手段が導出する信号の設定車速に対応したパル
ス幅またはパルス休止期間は、マイクロコンピュータが
デユーティ演算をしていない時間よりも充分に小さい値
に選ばれており、マイクロコンピュータはこの車速設定
手段のパルス幅またはパルス休止期間に１を超える予め
定める倍数を掛算し、その槓を設定車速としてメモリに
ストアするようにしたことを特徴とする自動車の速度制
御装置。[Scope of Claim for Utility Model Registration] (1) Vehicle speed detection means for deriving a signal having a frequency proportional to the frequency of an actual vehicle, vehicle speed setting means for generating a signal having a pulse width or pulse rest period corresponding to the set vehicle speed, and a throttle valve. a driving means that changes the opening degree by driving the vehicle; and a microcontroller that has a memory and calculates a duty so that the actual vehicle speed becomes the vehicle speed stored in the memory, and controls the driving means with the obtained duty. The pulse width or pulse rest period corresponding to the set vehicle speed of the signal derived by the vehicle speed setting means is selected to be a value sufficiently smaller than the time during which the microcomputer is not performing duty calculation, and the microcomputer A speed control device for an automobile, characterized in that the pulse width or pulse rest period of the vehicle speed setting means is multiplied by a predetermined multiple exceeding 1, and the resulting value is stored in a memory as a set vehicle speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19868681U JPS58101211U (en) | 1981-12-28 | 1981-12-28 | automobile speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19868681U JPS58101211U (en) | 1981-12-28 | 1981-12-28 | automobile speed control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58101211U true JPS58101211U (en) | 1983-07-09 |
| JPH02340Y2 JPH02340Y2 (en) | 1990-01-08 |
Family
ID=30111856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19868681U Granted JPS58101211U (en) | 1981-12-28 | 1981-12-28 | automobile speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101211U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667417A (en) * | 1979-11-07 | 1981-06-06 | Hitachi Ltd | Car speed control unit |
-
1981
- 1981-12-28 JP JP19868681U patent/JPS58101211U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667417A (en) * | 1979-11-07 | 1981-06-06 | Hitachi Ltd | Car speed control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02340Y2 (en) | 1990-01-08 |
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