Abstract: The invention relates to a test bed and a method for testing a real test object in driving operation, wherein the test object has at least one real component of a vehicle which is capable of applying torque to a wheel hub. The test bed comprises a load machine configured to be connected to the wheel hub so as to transmit torque, an actuator configured to generate a relative movement between the wheel hub on the one hand and a vehicle frame supporting the wheel hub on the other, simulation means for simulating the driving operation, wherein the simulation means is configured to simulate a virtual wheel and dynamics of the virtual wheel as if it were arranged on the wheel hub, and control means configured to operate the real test object in consideration of the simulated dynamics of the virtual wheel on the test bed.

Abstract: The invention relates to a method for simulation-based analysis and/or optimization of a motor vehicle, preferably having the following working steps: simulating (SIOI) a driving operation of the motor vehicle (I) on the basis of a model (M) with at least one manipulated variable for acquiring values of at least one simulated variable which is suitable for characterizing an overall vehicle behaviour, in particular a driving capability, of the motor vehicle (I), wherein the model has at least one partial model, in particular a torque model, and wherein the at least one partial model is based on a function and preferably characterizes the operation of at least one component, in particular of an internal combustion engine of the motor vehicle (I); and—outputting (S I03) the values of the at least one simulated variable.

Abstract: The invention relates to a method for operating a driving simulator having the following steps: detecting a braking request in the driving simulator, in particular on the basis of actuation of a brake actuator; converting the detected braking request into at least one braking signal suitable for characterising the braking request; transmitting the at least one braking signal from the driving stimulator to a test bench on which are mounted at least part of a drivetrain with at least one axle section of a vehicle, in particular an axle half, and at least one brake associated with the at least one axle section; rotating the at least one axle section at a wheel speed which corresponds to a predefined speed of the vehicle; actuating the at least one brake of the vehicle on the basis of the at least one braking signal; setting a predefined torque or a predefined wheel speed of at least one axle section of the at least one dynamometer on the basis of properties of at least one component of the vehicle, in particular

Abstract: The invention relates to a system comprising a plurality of first sensors to measure parameters characterizing a vehicle operating state; a second sensor to measure a parameter characterizing an emission of an fuel processing apparatus; a control device to measure repeatedly over a predefined time period and to determine a vehicle operating state based on a first data set with measured values from the plurality of first sensors and predefined parameter ranges describing a predefined vehicle operating state; an allocation device to allocate a second data set comprising measured values from the second sensor to the predefined vehicle operating state; and an evaluation device to determine a characteristic value for assessing or optimizing the operating behavior of the vehicle based on the vehicle operating state and the second data set, wherein the characteristic value characterizes an energy efficiency of the vehicle or an emission behavior of the fuel processing apparatus.

Abstract: The invention relates to a method for simulation-based analysis and/or optimization of a motor vehicle, preferably having the following working steps: simulating (SIOI) a driving operation of the motor vehicle (I) on the basis of a model (M) with at least one manipulated variable for acquiring values of at least one simulated variable which is suitable for characterizing an overall vehicle behaviour, in particular a driving capability, of the motor vehicle (I), wherein the model has at least one partial model, in particular a torque model, and wherein the at least one partial model is based on a function and preferably characterizes the operation of at least one component, in particular of an internal combustion engine of the motor vehicle (I); and—outputting (S I03) the values of the at least one simulated variable.

Abstract: The invention relates to a method for optimizing a driver assistance system having the work steps of defining at least one driver assistance system A to be optimized, determining at least one vehicle parameter function that is suitable for characterizing an operating state of a vehicle, and at least one environmental parameter function that is suitable for characterizing the surroundings of the vehicle, calculation of at least one driving situation characteristic function that characterizes a driving situation of the vehicle, particularly at least on the basis of the at least one vehicle parameter function and/or of the at least one environmental parameter function, calculation of at least one control intervention characteristic function that is suitable for characterizing the activity of the driver assistance system A, and calculation of a correction function that depends on the at least one driving situation characteristic function and characterizes a subjective perception of the driving situation by at lea

Abstract: A method for producing control data for rule-based driver assistance for guiding a vehicle by a driver assistance system is provided. The method includes detection of values of at least one adjustment parameter for guiding the vehicle and/or a body parameter which at least partially characterizes body functions of a vehicle passenger. The method also includes detection of values of at least one input parameter which at least partially characterizes a driving scenario; determining at least one boundary condition for adjusting the at least one adjustment parameter according to the at least one input parameter based on the detected values; and emission of control data for guiding the vehicle, which takes into account the at least one boundary condition as a rule.

Abstract: The invention relates to a system (1) for analyzing an energy efficiency of a motor vehicle (2), having: a first device (4a, 4b), in particular a sensor, configured to detect a first data set of at least one first parameter, which is suitable to characterize energy consumed by at least one apparatus A, in particular a steering system or drive device (3); a second device (5a, 5b, 5c, 5d), in particular a sensor, configured to detect a second data set of at least one second parameter, which is suitable to characterize an operating state of the at least one apparatus A; a third device (6), configured to detect a third data set of at least one third parameter, which is suitable to characterize at least one driving state of the vehicle (2); a first comparison device (7), in particular part of a data processing device, configured to compare the values of the second data set with predefined parameter ranges which correspond to at least one operating state, and to compare the values of the third data set with predefi

Abstract: The invention relates to a method for operating a driving simulator having the following steps: detecting a braking request in the driving simulator, in particular on the basis of actuation of a brake actuator; converting the detected braking request into at least one braking signal suitable for characterising the braking request; transmitting the at least one braking signal from the driving stimulator to a test bench on which are mounted at least part of a drivetrain with at least one axle section of a vehicle, in particular an axle half, and at least one brake associated with the at least one axle section; rotating the at least one axle section at a wheel speed which corresponds to a predefined speed of the vehicle; actuating the at least one brake of the vehicle on the basis of the at least one braking signal; setting a predefined torque or a predefined wheel speed of at least one axle section of the at least one dynamometer on the basis of properties of at least one component of the vehicle, in particular

Abstract: A system for analysing an energy efficiency of a vehicle having at least one drive device which is configured to generate mechanical drive force by converting energy, wherein the system has a first device, in particular a sensor, configured for detecting a first data record of at least one first parameter which is suitable for characterizing energy which is consumed by the vehicle, a second device, in particular a sensor, configured for detecting a second data record of at least one second parameter which is suitable for characterizing a driving resistance which the vehicle overcomes, a third device, in particular a sensor, configured for detecting a third data record of at least one third parameter which is suitable for characterizing at least one driving state of the vehicle, a first comparison device, which is in particular part of a data processing device, configured for comparing the values of the third data record with predefined parameter ranges which correspond to at least one driving state, an assign

Abstract: The invention relates to a system for assessing and/or optimising the operating behaviour of a vehicle that has at least one apparatus for processing fuel, in particular an internal combustion engine and/or a fuel cell, wherein the system has: a plurality of first sensors designed to measure parameters that are suitable for characterising a vehicle operating state; at least one second sensor designed to measure at least one parameter that is suitable for characterising an emission of the apparatus for processing fuel; a control device designed to measure repeatedly over a predefined time period and to determine a vehicle operating state on the basis of a first data set with measured values from the plurality of first sensors and on the basis of predefined parameter ranges that describe at least one predefined vehicle operating state; an allocation device designed to allocate a second data set comprising measured values from the at least one second sensor to the at least one predefined vehicle operating state;

Abstract: The invention relates to a system (1) for analyzing an energy efficiency of a motor vehicle (2), having: a first device (4a, 4b), in particular a sensor, configured to detect a first data set of at least one first parameter, which is suitable to characterize energy consumed by at least one apparatus A, in particular a steering system or drive device (3); a second device (5a, 5b, 5c, 5d), in particular a sensor, configured to detect a second data set of at least one second parameter, which is suitable to characterize an operating state of the at least one apparatus A; a third device (6), configured to detect a third data set of at least one third parameter, which is suitable to characterize at least one driving state of the vehicle (2); a first comparison device (7), in particular part of a data processing device, configured to compare the values of the second data set with predefined parameter ranges which correspond to at least one operating state, and to compare the values of the third data set with predefi

Abstract: The invention relates to a method for optimizing a driver assistance system having the work steps of defining at least one driver assistance system A to be optimized, determining at least one vehicle parameter function that is suitable for characterizing an operating state of a vehicle, and at least one environmental parameter function that is suitable for characterizing the surroundings of the vehicle, calculation of at least one driving situation characteristic function that characterizes a driving situation of the vehicle, particularly at least on the basis of the at least one vehicle parameter function and/or of the at least one environmental parameter function, calculation of at least one control intervention characteristic function that is suitable for characterizing the activity of the driver assistance system A, and calculation of a correction function that depends on the at least one driving situation characteristic function and characterizes a subjective perception of the driving situation by at lea

Abstract: A method for optimizing vehicles and engines that are used for driving such vehicles includes the steps of taking measurements during real operation of the vehicle on the road or on a roller-type test stand, or the engine on an engine test stand; parameterizing a simulation model representing the vehicle or the engine so as to be able to arithmetically determine a prediction about the measured values obtained by means of the measurements; simulating the vehicle by using the simulation model, additionally calculating at least one drivability index (DR) which results from several measured values based on an empirically determined function and which indicates the drivability of a vehicle in a specific driving mode; and optimizing the settings of the vehicle during the simulation, at least one drivability index (DR) being input into the target function or the fringe conditions of the optimization process.

Abstract: A method for optimizing vehicles and engines that are used for driving such vehicles includes the steps of taking measurements during real operation of the vehicle on the road or on a roller-type test stand, or the engine on an engine test stand; parameterizing a simulation model representing the vehicle or the engine so as to be able to arithmetically determine a prediction about the measured values obtained by means of the measurements; simulating the vehicle by using the simulation model, additionally calculating at least one drivability index (DR) which results from several measured values based on an empirically determined function and which indicates the drivability of a vehicle in a specific driving mode; and optimizing the settings of the vehicle during the simulation, at least one drivability index (DR) being input into the target function or the fringe conditions of the optimization process.

Abstract: A method for judging the drivability of vehicles including acquiring drivability-relevant physical data during the driving operation of the vehicle; checking the data for the presence of trigger conditions which indicate the existence of specific driving states; if a specific driving state exists, calculating at least one local evaluation, which is a judgment of an evaluation criterion relevant for the driving state; and calculating an overall evaluation for the acquired driving state. An increase in precision may be achieved with repeated occurrence of identical driving states, a correction variable is calculated for the evaluations, which is a function of the differences in the behavior of the vehicle upon identical driving states, and a corrected evaluation is calculated in which this correction variable is taken into consideration.

Abstract: A method which generates downforce in a vehicle powered by an internal combustion engine, based on feeding exhaust gas from the internal combustion engine into at least one area of the vehicle body suitable for increasing downforce.

Abstract: The invention relates to a method for simulating the driving behavior of vehicles on a test stand in which the engine of the vehicle is coupled on the test stand to an electronically controllable braking apparatus and a simulation model calculates simulation values of variables which are representative of the driving state of the vehicle in that the reaction of the vehicle to the behavior of the engine and the values of the variables as determined immediately prior thereto are calculated, with at least the vehicle speed and the slip occurring in the driving wheels being calculated as variables. An improved calculation can be achieved in such a way that for controlling the braking apparatus a virtual vehicle speed is used which is changed by a corrective value which depends on the slip.

Abstract: The invention relates to a method for simulating the driving behavior of vehicles on a test stand in which the engine of the vehicle is coupled on the test stand to an electronically controllable braking apparatus and a first simulation model calculates simulation values of variables which are representative of the driving state of the vehicle in that the reaction of the vehicle to the behavior of the engine and the values of the variables as determined immediately prior thereto are calculated, with at least one evaluation variable w being calculated on the basis of the values measured on the test stand for measurable variables and engine torque M and the values calculated therefrom with the simulation model for non-measurable variables.

Abstract: The invention relates to a method for judging the drivability of vehicles having the following steps: acquiring drivability-relevant physical data during the driving operation of the vehicle; checking the data for the presence of trigger conditions which indicate the existence of specific driving states; if a specific driving state exists, calculating at least one local evaluation, which is a judgment of an evaluation criterion relevant for the driving state; calculating an overall evaluation for the acquired driving state. An increase of the precision may be achieved in that upon repeated occurrence of identical driving states, a correction variable is calculated for the evaluations, which is a function of the differences in the behavior of the vehicle upon identical driving states, and a corrected evaluation is calculated in which this correction variable is taken into consideration.