JPH03103865U

JPH03103865U -

Info

Publication number: JPH03103865U
Application number: JP1214790U
Authority: JP
Priority date: 1990-02-09
Filing date: 1990-02-09
Publication date: 1991-10-29

Description

[Brief explanation of drawings]

第１図ないし第８図は本考案の実施例に係り、
第１図は車両用アンチスキツド制御装置全体の油
圧回路を示す回路構成図、第２図は車両用アンチ
スキツド制御装置の電気的制御回路系を示すブロ
ツク図、第３図イは車輪速センサからの検出信号
波形を示す特性線図、第３図ロは車輪速センサか
らの検出信号波形を波形成形回路により処理した
波形を示す特性線図、第４図イは第１図の車輪速
センサからの検出信号波形を波形成形回路により
処理した波形を示す特性線図、第４図ロは第２の
車輪速センサからの検出信号波形を波形成形回路
により処理した波形を位相差Ｓとの関係で示す特
性線図、第５図はＴＣＳ制御時に各ホイールにス
リツプが発生したか否かを検出する制御装置にお
ける処理を示す流れ図、第６図はＴＣＳ制御時に
おいてＡＳＲ制御弁を増圧位置にした場合のブレ
ーキ油の流れを示す増圧状態図、第７図はＡＳＲ
制御弁をホールド位置にした場合のブレーキ油の
流れを示すホールド状態図、第８図はＡＳＲ制御
弁を減圧位置にした場合のブレーキ油の流れを示
す減圧状態図である。２……ブレーキシリンダ、３Ａ，３Ｂ，３Ｃ…
…トルクセンサ、４Ａ，４Ｂ，４Ｃ……第１の車
輪速センサ、６Ａ，６Ｂ，６Ｃ……第２の車輪側
センサ、７……マスタシリンダ、９……油圧制御
部、４５……制御装置。 1 to 8 relate to embodiments of the present invention,
Figure 1 is a circuit configuration diagram showing the entire hydraulic circuit of the vehicle anti-skid control system, Figure 2 is a block diagram showing the electrical control circuit system of the vehicle anti-skid control system, and Figure 3 A is the detection from the wheel speed sensor. Characteristic diagram showing the signal waveform; Figure 3 (b) is a characteristic diagram showing the waveform obtained by processing the detection signal waveform from the wheel speed sensor by the waveform shaping circuit; Figure 4 (a) is the characteristic diagram showing the waveform detected by the wheel speed sensor in Figure 1. A characteristic diagram showing the waveform obtained by processing the signal waveform by the waveform shaping circuit. Figure 4B shows the characteristics of the waveform obtained by processing the detected signal waveform from the second wheel speed sensor by the waveform shaping circuit in relation to the phase difference S. Fig. 5 is a flowchart showing the processing in the control device to detect whether or not slip has occurred in each wheel during TCS control, and Fig. 6 is a flowchart showing the process when the ASR control valve is set to the pressure increasing position during TCS control. Pressure increase state diagram showing the flow of brake oil, Figure 7 is ASR
FIG. 8 is a hold state diagram showing the flow of brake oil when the control valve is in the hold position, and FIG. 8 is a pressure reduction state diagram showing the flow of brake oil when the ASR control valve is in the pressure reducing position. 2...Brake cylinder, 3A, 3B, 3C...
...torque sensor, 4A, 4B, 4C...first wheel speed sensor, 6A, 6B, 6C...second wheel side sensor, 7...master cylinder, 9...hydraulic control unit, 45...control device .

Claims

[Claims for Utility Model Registration] (1) A brake cylinder provided on each wheel, a master cylinder connected to each brake cylinder via a supply pipe and supplying brake oil to each brake cylinder, In the anti-skid control device, the anti-skid control device includes a hydraulic control section that is installed in the middle of the supply piping and controls the brake oil supplied to each brake cylinder during anti-skid brake control and traction control. A torque detecting means for detecting torque generated between the wheels and the drive shaft; and a slip determining means for determining whether or not slip has occurred in each wheel by the torque detecting means; An anti-skid control device for a vehicle, characterized in that, when it is determined that a slip has occurred, the hydraulic control section performs anti-skid brake control and traction control. (2) The torque detecting means is comprised of a first wheel speed sensor provided on each wheel side and a second wheel speed sensor provided on the drive shaft side. An anti-skid control device for a vehicle as described in scope (1).