摘要:
The invention relates to a device which is used to control the driving dynamics of a vehicle, comprising means which are used to detect at least one driving state variable which represents a driving state and comprising a vehicle dynamic control which is used to determine an additional steering angle, under the proviso that a steering movement can be carried out in addition to the steering movement commanded by the driver. The device is characterised in that the vehicle dynamic control (100, 110) comprises at least two control units (340, 350) which are associated with, respectively, a driving state range, such that they comprise a determining agent which is used to determine a current driving state, wherein the current driving state emerging form the driving state variable (ψ, β, αy ) can be determined, and that it comprises an activation agent (360) which is connected to the determining agent, which enables a control unit (340, 350) to be freely connected, which is associated with the determined driving state range.
摘要:
The invention relates to a method and a device for measuring status variables of vehicles, whereby at least one parameter indicating the tendency of a vehicle to tilt around its longitudinal axis is measured and evaluated to detect the control or regulating parameters of the regulating system of a vehicle. In order to react as quickly as possible to the danger of vehicle tilting by conducting a regulating operation, at least one parameter indicating the tilting tendency of the vehicle is measured by continuously detecting said measuring variable in at least one degree of the vehicle on the inner and outer curve based on the measuring variable detected with the aid of wheel or wheel force sensors and which reflect the lateral force exerted on the tire or wheel and/or the contact force exerted on the tire or wheel. The direct forces exerted on the tire or wheels or the parameters derived therefrom and/or the signals formed by the correction variables or values such as filtered parameters are used as control or regulating parameters .
摘要:
The invention relates to a method for the online determination of values of the dynamics of vehicle movement of a motor vehicle. The aim of the invention is to improve the quality of control of a motor vehicle and to reduce the demands on the driver. To this end, the inventive method for controlling the dynamics of vehicle movement comprises the following steps: determining estimated output variables &ycircm in accordance with determined and/or estimated input variables u and predetermined or predicted vehicle state variables x and optionally other variables, comparing the estimated output values &ycircm with measured output variables ym, and determining the estimated variables of the dynamics of vehicle movement x(tk/tk) in accordance with the result of said comparison and optionally further criteria.
摘要:
The invention relates to a braking system for a motor vehicle, said system comprising friction brakes on the wheels of at least one axle, said brakes being controlled by a friction brake control device; at least one electric machine which is connected to at least one wheel and is controlled by an electric drive control device; means for detecting a deceleration request, in particular a brake pedal with a pedal angle sensor; a wheel-slip controlling device; and a torque distributing device. According to the invention, the means for detecting a deceleration request are connected to the wheel-slip controlling device, said wheel-slip controlling device specifying target braking torques for each wheel according to the parameters of the deceleration request. The wheel-slip controlling device is connected to a torque distributing device which is connected to the friction brake control device and the electric drive control device and which specifies friction brake requests to the friction brake control device and generator brake requests to the electric drive control device according to the target braking torques. The invention further relates to a method for controlling a braking system.
摘要:
The invention relates to a method for determining an optimal steering angle in understeer situations of a vehicle. To assist a driver in reliably stabilizing the vehicle during an understeer situation while driving, a model-based driving traction coefficient factor, a model-based kinematic factor, and a float angle are taken into account in the determination of the steering angle, wherein a limited steering angle δV,lim, at which a maximum lateral force is set, is determined by addition of the driving traction coefficient factor, the kinematic factor, and the float angle. The invention also relates to a system suitable for implementation of the method.
摘要:
The invention relates to a method for regulating the driving dynamics of a vehicle, according to which at least one wheel of the vehicle is impinged upon by a specific torque as a result of a clutch being controlled that transmits torque to the wheel and/or as a result of a differential being controlled that distributes torque to said wheel and at least one additional wheel. Said method is characterized in that a torque value is determined in accordance with a first and a second yawing moment value. The first yawing moment value is determined in the form of a yawing moment value generating a set point yaw rate value based on a vehicle reference model while the second yawing moment value is determined according to the deviation between the set point yaw rate value and a detected real yaw rate value as well as according to a deviation between a set point value and a real value of an additional driving state variable that differs from the yaw rate. The invention further relates to a device that is suitable for carrying out said method.