摘要:
A method and an apparatus for controlling the brake system of a vehicle consisting of at least two component vehicles is described, where the brake system of the second component vehicle is controlled from the first component vehicle. The first time the brake pedal is actuated or the first time the brake pedal is released after the braking force has been built up, actuation pulses for the brake system of the second component vehicle are formed, which are derived from the application point of the brakes of the second component vehicle.
摘要:
A method and an apparatus for controlling the brake system of a vehicle consisting of at least two component vehicles are proposed, where at least one of these component vehicles is equipped with an electrically controlled brake system. As a function of the actuation of the brake pedal, nominal values for the control of the wheel brakes are formed. An actuating variable for controlling the wheel brakes of the second component vehicle is formed in this first component vehicle. During a braking operation of the complete vehicle, the actuating variable for one component vehicle is modified by a value which, in the event that the brakes of the first component vehicle are not engaged, is determined by adjustment of the actuating variable for the second component vehicle or by adjustment of the nominal values for the wheel brake of the first component vehicle.
摘要:
In a selected operating situation, the automatic control circuit, which is closed during normal operation, is opened, the final control element of the wheel brake being actuated within the scope of an open-loop control process. The drive signal value for the wheel brake changes in accordance with a predetermined time function, and the application pressure or release pressure is found on the basis of the characteristic behavior of a value representing the braking action.
摘要:
In a vehicle having a duty brake and a sustained-action brake (retarder), the actual braking moment produced by the sustained-action brake, as well as the braking command of the driver, are taken into consideration in the electrically controlled adjustment of the duty brake.
摘要:
During one or more braking processes, the application pressures of the wheel brakes and the characteristic brake values of the wheel brakes of at least one axle are determined. The application pressure represents the beginning of brake action at the wheels and can be determined from an inflection point in the curve representing brake pressure at the wheels as it increases in response to a driver's command, and further from the wheel velocity or a derivative thereof. The characteristic brake values are determined based on the brake pressure, the application pressure, and the deceleration of the vehicle. The application pressures and the characteristic brake values are stored for use in subsequent brake actions, in order to control the brakes so that wheels at each axle are uniformly braked.
摘要:
The onset and the end of the braking action, especially the braking action of the component vehicles of a combination vehicle, are determined on the basis of the course of the deceleration of the vehicle. On the basis of the values found for the onset and end of the braking action, the hysteresis between the component vehicles is compensated, so that the braking action begins and ends at essentially the same time at all the wheel brakes.
摘要:
A method and apparatus for controlling the braking system of a vehicle having at least two subvehicles. For at least one subvehicle, an electrically controlled braking system is provided, where the driver's braking inputs and control variables resulting in application and/or release of the wheel brakes are taken into account. The corresponding application or release control variables for the second subvehicle are ascertained from the equilibrium of forces of the overall vehicle.
摘要:
A method and a device for controlling the braking system of a vehicle that includes at least two subvehicles. In this context, at least one of these subvehicles is provided with an electrically controllable braking system. A correcting quantity is determined from operating variables of the first subvehicle for influencing the longitudinal forces between the vehicle sections during a braking process. The correcting quantity is determined repeatedly during a braking process, the determination of the correcting quantity being effected more quickly at the beginning of a braking than in the course of the braking process. Furthermore, the correcting quantity is determined in such a way that the ratio of braking force to normal force in both subvehicles is essentially adjusted to the same value.
摘要:
The invention relates to a device for metering a liquid reducing agent into an exhaust gas system for the reduction of pollutants in the exhaust gas. The device comprises a metering valve and an adapter to be mounted on an exhaust gas pipe. The metering valve is connected to the adapter by a connector element, which has at least one metal sound absorber.
摘要:
The invention relates to a line feedthrough through a heating kettle cover of a heating kettle of a reducing agent tank. At least one line penetrates an opening of the heating kettle cover and is sealed by means of a sealing element. It is provided that the sealing element is configured as an elastic plug sealing stopper, which is inserted in a holder associated with the heating kettle cover in a sealing manner.