摘要:
A device for stabilizing a vehicle is described. For this purpose, the device includes first determination device with which at least two vehicle motion quantities describing the vehicle motion, in particular in the direction transverse to the vehicle, are determined. Furthermore, the device includes second determination device with which a characteristic quantity is determined for each of the vehicle motion quantities. The second determination includes an adjustment device with the help of which the variation over time of the characteristic quantities is adjusted to the vehicle's behavior. In addition, the device device includes a control device with which intervention quantities are determined at least as a function of the vehicle motion quantities and the characteristic quantities, which are supplied to an actuator system for performing at least brake interventions and/or engine interventions with which the vehicle is stabilized.
摘要:
A device and method for stabilizing a combination of a tractor vehicle and least one semitrailer or trailer, the brakes of at least one semitrailer or trailer being set automatically as a function of the yaw rate of the tractor vehicle and the setpoint yaw rate of the tractor vehicle, or as a function of the yaw rate of the tractor vehicle, the speed of the combination and the steering angle.
摘要:
A brake regulating system particularly suitable for stabilizing the motion of a commercial vehicle is described, in which a control unit outputs, as a function of a number of input variables, a predefined manipulated variable for the brake pressure of each wheel of a commercial vehicle and/or a predefined manipulated variable for an output variable of the drive engine. For detecting the input variables, the input of the control unit is connected to a steering angle sensor for detecting a steering angle predetermined by the driver, to a sensor system for determining the yaw rate of the commercial vehicle, and to a first acceleration sensor for detecting the transverse acceleration of the commercial vehicle.
摘要:
A method for stabilizing a vehicle in particular to prevent overturning, in which a strategy is selected from at least two different strategies as a function of a quantity describing or corresponding to whether an overturn tendency about a vehicle axis oriented in the longitudinal direction of the vehicle exists, and which may be determined at least as a function of a quantity describing or corresponding to the wheel behavior of at least one wheel, and which may also be determined a function of a comparison which is carried out as a function of a quantity describing or corresponding to the lateral dynamics of the vehicle and of a characteristic value that is determined as a function of a quantity describing or corresponding to the instantaneous friction conditions.
摘要:
A device for detecting measured quantities of a drive vehicle, in particular of a tractor, and/or measured quantities of a trailer or semitrailer operatively connected to the drive vehicle. In addition to a coupling device for transmission of force between the drive vehicle and the trailer or semitrailer, at least one connecting device is present. At least one first detection arrangement for detecting a measured quantity of the drive vehicle and/or at least one second detection arrangement for detecting a measured quantity of the trailer or semitrailer is inserted in the connecting device.
摘要:
A steering device for vehicles having a pair of wheels which can be steered freely as a function of the current driving state of the vehicle or whose steered position can be locked by an electronically actuable locking device, having an electronic control device and having sensors which are connected to the electronic control device and have the purpose of monitoring current driving state values, with the electronic control device actuating the locking device when a minimum velocity of the vehicle is exceeded, in such a way that the steered position of the pair of wheels is locked, characterized in that driving state values which characterize critical driving situations are additionally stored in the electronic control device, in which the steered position of the pair of wheels is locked in critical driving situations, and in which, after a critical driving situation, the locking device does not release the pair of wheels again until predefined critical driving state values are undershot at least for a predefined period of time.
摘要:
An air-suspension device for vehicles, e.g., commercial vehicles, includes a valve block that is assigned to a rear axle and contains a central valve for aerating and venting air-spring bellows of the rear axle, and a valve block assigned to a front axle for aerating and venting air-spring bellows of the front axle. The central valve of the valve block assigned to the rear axle selectively connects: a) a compressed-air supply to the air-spring bellows of the rear axle and to a supply-pressure connection of the valve block assigned to the front axle; or b) the supply-pressure connection of the valve block assigned to the front axle and the air-spring bellows of the rear axle to an air vent. The valve block assigned to the front axle has a pneumatic pilot-operation connection for pneumatic-electric pilot operation. The pneumatic pilot-operation connection of the valve block assigned to the front axle is connected to a pressure outlet of a selector-valve device, of which one pressure inlet is connectible, via the central valve of the valve block assigned to the rear axle, either to the compressed-air supply or to the air vent, and the other pressure inlet is connectible to at least one of the air-spring bellows of the front axle. The selector-valve device switches through, in each instance, the higher of the pressures applied to its pressure inlets to the pressure outlet. By this arrangement, the need for pneumatic lines is eliminated.
摘要:
A method for recognizing a trailer or semitrailer of a motor vehicle which includes activating at least one brake light of the trailer or semitrailer, independently of the driver, measuring a current flowing in a line assigned to the brake light of the trailer or semitrailer and ascertaining the presence or the absence of a trailer or semitrailer on the basis of the measured current.
摘要:
A level control device of a vehicle may include an angle-of-rotation sensor for measuring the distance between a vehicle chassis and a vehicle axle or wheel according to an inductive principle. The sensor may include an electrical coil that has a coil core for generating a magnetic field, and at least one eccentric body capable of swiveling about an axis of rotation as a function of the distance. The coil core may be disposed in a stationary manner relative to the coil the eccentric body may be made of a ferromagnetic material and captured at least partially by the lines of force of the magnetic field of the coil in such a way that, solely by a change of its position relative to the coil core, a change of the inductivity of the coil is brought about as a measure for a change of the distance.
摘要:
According to the invention, the driving stability of a utility vehicle combination, which is comprised of a towing vehicle and of a towed vehicle, is monitored (3-5) when the towed vehicle is braked. In the event of an unstable driving state, the vehicle combination is stabilized by effecting a cyclic or clocked reduction of the towed vehicle brake pressure (6).