JPS64415U

JPS64415U -

Info

Publication number: JPS64415U
Application number: JP9510087U
Authority: JP
Priority date: 1987-06-19
Filing date: 1987-06-19
Publication date: 1989-01-05

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示すものであり、第
１図は本案装置を装備した乗用田植機の側面図、
第２図はその平面図、第３図は苗列検出装置の拡
大縦断面図、第４図は第３図の―線による平
面断面図、第５図は前輪の操舵機構の模式的平面
図、第６図は本案装置の構成を示すブロツク図、
第７図は操向制御部の制御内容を示すフローチヤ
ート、第８図は光センサの出力電圧特性を示すグ
ラフ、第９図は補正係数と車速との関係を示すグ
ラフである。Ａ……走行機体、Ｂ……植付部、１……前輪、
２……後輪、５……車速検出器、１０……マーカ
、１２……作業選択レバ、２０Ｌ，２０Ｒ……苗
列検出装置、３８……操舵角センサ、４０……操
向シリンダ、４１……方向切換弁、５０……操向
制御部、Ｖ……電磁方向切換弁、Ｓｌ，Ｓｒ……
ソレノイド。 The drawings show one embodiment of the present invention, and Figure 1 is a side view of a riding rice transplanter equipped with the proposed device;
Fig. 2 is a plan view thereof, Fig. 3 is an enlarged vertical sectional view of the seedling row detection device, Fig. 4 is a plan sectional view taken along the - line in Fig. 3, and Fig. 5 is a schematic plan view of the front wheel steering mechanism. , FIG. 6 is a block diagram showing the configuration of the proposed device,
FIG. 7 is a flowchart showing the control contents of the steering control section, FIG. 8 is a graph showing the output voltage characteristics of the optical sensor, and FIG. 9 is a graph showing the relationship between the correction coefficient and the vehicle speed. A... Traveling body, B... Planting section, 1... Front wheel,
2... Rear wheel, 5... Vehicle speed detector, 10... Marker, 12... Work selection lever, 20L, 20R... Seedling row detection device, 38... Steering angle sensor, 40... Steering cylinder, 41 ... Directional switching valve, 50... Steering control unit, V... Solenoid directional switching valve, Sl, Sr...
solenoid.

Claims

[Scope of Claim for Utility Model Registration] A steering control device for a vehicle that changes a steering angle based on a detection result of a detection target serving as a steering reference so as to cause the vehicle to travel in accordance with the steering reference, comprising: a vehicle speed detector; A steering control device for a vehicle, comprising means for changing the amount of change in the steering angle in accordance with a vehicle speed detected by the vehicle speed detector.