Abstract: Embodiments of the invention relate to a method for driving an ego vehicle in a defined speed range, wherein the ego vehicle has at least one drive unit, and for the at least one drive unit there is provided a characteristic curve specific to the drive unit for a speed-dependent maximum torque, wherein for the at least one drive unit of the ego vehicle a performance-specific characteristic curve depending on the characteristic performance class of the ego vehicle is established for a speed-dependent performance-specific characteristic torque which is less than the maximum torque, and a supplemental torque is established for the ego vehicle when driving in the defined speed range of the ego vehicle in addition to the performance-specific characteristic torque.

Abstract: An all-wheel system for a motor vehicle, with a first electric machine for driving a first drive axle of the motor vehicle; a first electronic power unit for controlling a rotational speed of the first electric machine; a second electric machine for driving a second drive axle of the motor vehicle; a second electronic power unit for controlling the rotational speed of the second electric machine on the basis of the rotational speed of the first electric machine and a specified differential rotational speed between the first electric machine and the second electric machine.

Abstract: A system and a method for estimating the coefficient of friction of a hydraulic brake system in a motor vehicle. A system and a method for adjusting the braking torque of a hydraulic brake system in a motor vehicle in order to obtain a desired actual braking torque.

Abstract: A brake system for an at least partly electrically powered vehicle having an electric motor operable as a generator; a friction brake device; a brake control device, which is designed to regulate a generator torque (MGE) of the generator and a friction braking torque (MRB) of the friction brake device; an operating element, especially a brake pedal or brake lever or accelerator pedal, which is designed to provide a desired deceleration.

Abstract: A method for operating a clutch of a drive train of a vehicle wherein the clutch, a drive motor primary axis having first wheels that can be driven by the drive motor as first axis and a second axis having second wheels are driven by the drive motor via the clutch as second axis, with the clutch being adjusted between a closed position, wherein a first coupling torque of the clutch is set, and at least one second position differing from the closed position, wherein a second coupling torque of the clutch that is lower than the first coupling torque is set: determining at least one coefficient of friction of a roadway the vehicle is located on; and as a factor of the determined coefficient of friction: adjusting a basic torque of the clutch, with the clutch being prestressed in the second position by the basic torque.

Abstract: A multi-functional stroller comprising an incline detection system, and a braking system. The multi-functional stroller can detect when rolling uncontrolled, or when a user is not grasping the multi-functional stroller and engage the braking system to keep stroller occupant in safety. In embodiments, the multi-functional stroller can have motorized wheel hubs to aid in navigating stairs or uneven terrain.

Abstract: A method for operating a clutch of a drive train of a vehicle wherein the clutch, a drive motor primary axis having first wheels that can be driven by the drive motor as first axis and a second axis having second wheels are driven by the drive motor via the clutch as second axis, with the clutch being adjusted between a closed position, wherein a first coupling torque of the clutch is set, and at least one second position differing from the closed position, wherein a second coupling torque of the clutch that is lower than the first coupling torque is set: determining at least one coefficient of friction of a roadway the vehicle is located on; and as a factor of the determined coefficient of friction: adjusting a basic torque of the clutch, with the clutch being prestressed in the second position by the basic torque.

Abstract: The invention relates to a method for controlling a braking system for setting a total braking torque distribution between a first and a second axle of a motor vehicle. The braking system includes a friction braking device and a recuperative braking device. The braking system has a total braking torque composed of a friction braking torque portion and a recuperative braking torque portion. The method include determining, for one axle, a minimal recuperation torque, which is set on that axle, and remains set on that axle for all driving situations as a recuperative braking torque portion.

Abstract: A method for operating an energy storage device with at least one first and at least one second energy storage element in a motor vehicle, wherein the first and the second energy storage elements are connected in series to provide a nominal voltage of the energy storage device, wherein when a charging condition indicated for charging an energy storage device by a motor vehicle-independent energy source as fulfilled, the first and the second energy storage elements are connected in parallel to the motor vehicle-independent energy source, wherein a charging voltage is provided by the motor vehicle-independent energy source for charging the energy storage device, which is lower than the nominal voltage of the energy storage device with a connection in series of the first and of the second energy storage element.

Abstract: A method for operating a drivetrain of a motor vehicle comprising an engageable and disengageable four-wheel drive and at least two intermeshing gears, in which the four-wheel drive is switched off by the opening of at least one clutch of the drivetrain, wherein a change of engagement of the gears resulting from the switching off is actively braked by an electric machine of the drivetrain.

Abstract: A brake system is described for an at least partly electrically powered vehicle having an electric motor operable as a generator; a friction brake device; a brake control device, which is designed to regulate a generator torque (M_GE) of the generator and a friction braking torque (M_RB) of the friction brake device; an operating element, especially a brake pedal or brake lever or accelerator pedal, which is designed to provide a desired deceleration.

Abstract: An all-wheel system for a motor vehicle, with a first electric machine for driving a first drive axle of the motor vehicle; a first electronic power unit for controlling a rotational speed of the first electric machine; a second electric machine for driving a second drive axle of the motor vehicle; a second electronic power unit for controlling the rotational speed of the second electric machine on the basis of the rotational speed of the first electric machine and a specified differential rotational speed between the first electric machine and the second electric machine.

Abstract: A method for operating a drive train for a motor vehicle, with at least one primary drive axle and at least one secondary drive axle, which are operatively connected to each other via a clutch to an adjustable transmission torque. At the same time it is provided that a vibration amplitude of a vibration of the drive train is determined and in a damping operation type of the drive train, the transmission torque is determined from the vibration amplitude and adjusted on the clutch.

Abstract: A system and a method for estimating the coefficient of friction of a hydraulic brake system in a motor vehicle. A system and a method for adjusting the braking torque of a hydraulic brake system in a motor vehicle in order to obtain a desired actual braking torque.

Abstract: The invention relates to a method for controlling a braking system for setting a total braking torque distribution between a first and a second axle of a motor vehicle. The braking system includes a friction braking device and a recuperative braking device. The braking system has a total braking torque composed of a friction braking torque portion and a recuperative braking torque portion. The method include determining, for one axle, a minimal recuperation torque, which is set on that axle, and remains set on that axle for all driving situations as a recuperative braking torque portion.

Abstract: A plurality of wearable accessories for creating a synchronously presented lighting effect from an audience in a controlled access venue. Each accessory has a substrate, a power source, at least one light, a controller, and a radio frequency identification (RFID) tag. The radio frequency identification tag can store information and communicate with other devices to enable a user to conduct transactions with others.

Abstract: A center differential gear assembly for a drive device of a motor vehicle includes a driveshaft, a first driven shaft for a front axle of the motor vehicle, a second driven shaft for a rear axle of the motor vehicle, and a differential gear designed as a planetary gear train. A clutch device operatively connects an electric machine in a first shift position via the differential gear with the second driven shaft and in a second shift position directly with the second driven shaft. A superposition gear includes a first planetary gear train and a second planetary gear, with a ring gear of the first planetary gear train and a ring gear of the second planetary gear train being operatively connected in fixed rotative engagement with one another.

Abstract: A method for creating a desired lighting effect. The desired lighting effect is created by using a plurality of apparatuses at a controlled access venue which are capable of actuating one or more lights. The apparatuses in conjunction can create a desired lighting affect. The desired lighting effect can be customized to alleviate crowds. The desired lighting effect can also help to identify and direct aid to attendees in distress.

Abstract: An apparatus having an embedded processor in a substrate for creating a synchronous lighting effect at a controlled access venue and a method for creating a lighting effect at a controlled access venue while controlling access to the venue simultaneously using a apparatus that coordinates with the performance allowing a holder of the apparatus to perform with the performance.

Abstract: A method for operating a drive train for a motor vehicle, with at least one primary drive axle and at least one secondary drive axle, which are operatively connected to each other via a clutch to an adjustable transmission torque. At the same time it is provided that a vibration amplitude of a vibration of the drive train is determined and in a damping operation type of the drive train, the transmission torque is determined from the vibration amplitude and adjusted on the clutch.