摘要:
The present invention provides a graded braking control device and control method for vehicle tire burst, and belongs to the technical field of vehicles. It solves the problems of rear-end collision and more instability of the vehicle resulting from emergency brake after vehicle tire burst. The device includes a tire pressure sensor, a controller, a radar sensor, a stability detection module and an ESC, wherein the radar sensor and the stability detection module are respectively connected with input ends of the controller, the tire pressure sensor is in wireless connection with the controller, and the ESC is connected with an output end of the controller. The control method includes: 1. monitoring vehicle tire condition; 2. carrying out traffic state assessment and determining a first maximum braking deceleration value for preventing the rear-end collision with the follower vehicle after emergency brake of the present vehicle; 3. carrying out tire burst vehicle stability state assessment in combination with the current speed and setting the maximum braking deceleration under stable state; and 4. carrying out tire burst graded braking. The device and the method can ensure quick and stable braking of the tire burst vehicle, and avoid the rear-end collision of the present vehicle with the follower vehicle.
摘要:
The invention relates to a method for determining at least one, preferably however several driver-independent intervention(s) in a vehicle system, using a risk calculator, whose input is supplied with predetermined vehicle data, environmental data, current vehicle and driver data, occupant data or data of persons outside the vehicle, or similar. The risk calculator issues an evaluation of the risk situation of the vehicle and its occupants or the persons outside the vehicle based on said data and in accordance with the evaluation and optional additional criteria or weightings outputs control signals, which control actuators. The latter modify or trigger the driving behaviour of the vehicle and/or the occupant protection system and/or protection means for other traffic participants (pedestrians, cyclists etc.) in such a way that maximum protection is obtained for the persons and the vehicle according to a priority activation.
摘要:
A system and method of controlling a vehicle 14 with a trailer 15 comprises determining the presence of a trailer 15, generating an oscillation signal indicative of trailer swaying relative to the vehicle 14, generating an initial weighted dynamic control signal for a vehicle dynamic control system in response to the oscillation signal, operating at least one vehicle dynamic system 104, 106, 108, 110 according to the dynamic control signal and thereafter, iteratively generating a penalty function for the weighted dynamic control signal as a function of the oscillation signal response. One inventive feature of the system is the use of a neural network 50 with an associated trainer 54 to modify the dynamic control signal as a function of trailer sway response.
摘要:
A vehicle body slip angle-estimating device (1) which, in estimating a vehicle body slip angle (β) with an algorithm using a nonlinear model, is capable of accurately estimating a vehicle body slip angle (β) irrespective of whether the frequency of occurrence of a state during traveling of the vehicle (3). A basic value-calculating section (30) calculates a basic value (βb) of a vehicle body slip angle with an algorithm using a neural network model. A turning state-determining section (31) determines whether the vehicle (3) is in a predetermined limit turning traveling state. A correction value-calculating section (32) calculates a correction value (βc) with an algorithm using a predetermined linear model when the vehicle (3) is in the predetermined state. In the other cases, the correction value (βc) is set to 0. A straight traveling-determining section (33) sets the angle to the sum of the basic value (βb) and the correction value (βc) when the vehicle is in a turning traveling state.
摘要:
A control input for operating an actual vehicle actuator and a control input for operating a vehicle model are determined by an FB distribution law 20 on the basis of a difference between a reference state amount determined by a vehicle model 16 and an actual state amount of an actual vehicle 1 (state amount error) such that the state amount error is approximated to zero, and then an actuator device 3 of the actual vehicle 1 and the model vehicle 16, respectively, are operated on the basis of the control inputs. The FB distribution law 20 estimates an external force acting on the actual vehicle 1 due to a control input for operating an actual vehicle actuator, and determines a control input for operating the vehicle model on the basis of the estimated value and a basic value of a control input for operating the vehicle model for approximating the state amount error to zero. Thus, a vehicle control device capable of enhancing robustness against disturbance factors or their changes while performing operation control of actuators that is suited to behaviors of an actual vehicle as much as possible is provided.