Brake pressure

This system is able to generate pressure in the wheel cylinders independently of driver action. Six pressure sensors are necessary to detect the pedal travel ( braking request), the pressure of the high-pressure accumulator, and the brake pressure in the individual wheels. 

This system improves driving safety by preventing lateral instability of the vehicle. Besides sensors for wheel speed, steering-wheel movement, and yaw rate, a high-pressure sensor is needed to detect the brake pressure. 

Move the sensing spring bracket on the rear axle, the right hook of sensing spring moves to right the rear brake pressure is increased. 

Vice versa, the rear brake pressure decreases, the adjustment scope of the frame is 20mm. 

Nine minutes after take-off, the crew heard a strange noise coming from the lower-middle part of the aircraft. This was immediately followed by a hydraulic low level warning, a hydraulic reservoir air low pressure warning, a complete loss of hydraulic system pressure, abnormal flap position indications, and a complete loss of air brake pressure. 

The actual strip tension in pounds force, which may be u.seful in determining an uncoiler brake pressure setting, is calculated by multiplying the adjusted web stress by the cross-sectional area. Thus, the above example strip in a 24-in. width calculates to a tension of 2162 pounds force, which at 150 fpm equates to an additional 10 HP. Therefore, for this pull-through application, the recoiler would have to be powered by a 763-HP motor in order to overcome the uncoiler tension and the slitting load. 

Don t use more than light (10 psi) brake pressure to retard speed. If speed cannot be controlled with light pressure, use a lower gear ratio. 

The auto-brake system automatically applies a brake pressure when the landing gear touches ground. The magnitude of the applied pressure depends on the setting of the auto-brake system. For the scope of this paper, we compute RWO probabilities for the auto-brake settings set to medium. 

These interfaces can also show time dependencies. It is important to lead the information to the brakes that the vehicle should stop but it also has to be ensured that the actuator is provided with sufficient energy. For the hydraulic brakes this is mainly ensmed by the brake pressure. For example electric power supply can, at a specific load, no longer provide sufficient energy or the fuse trips at a certain threshold. 

Safety Goals are defined on the vehicle level (ITEM) according to ISO 26262. In this context there is no guideline to how complex or at which horizontal abstraction level is described. A safety goal can be formulated as follows Avoid an inadmissible pressure build-up of the brake pressure on one wheel , Avoid an inadmissible torque build-up on one wheel or Avoid a defective blockade of one wheel . Basically, aU three formulations could be correct. However, if we use such differing description levels for a vehicle system or multiple vehicle systems that have to be integrated into a vehicle, it could start to become confusing, since the interfaces will not match one another (compare also to Fig. 4.9). 

Condition 1 If the speed is very high and Condition 2 if the deceleration is slightly positive Action then braking pressure is moderately increased... 

The pressure sensor is part of the Electronic Stability Control (ESC) safety system for motor vehicles. It transforms hydraulic braking pressure into an electric signal. The MID is the carrier for the printed-circuit board. It also interfaces the electrical connections from the sensor element to the printed-circuit board and from the PCB to the customer s contacts. The MID has interfaces to the sensor cell, to the printed-circuit board, to testers for the appropriate tests, and to the periphery (Fig. 9.5). 

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