Abstract: A method for prelithiating an anode of lithium ion batteries includes the following steps: (a) charging the battery to a voltage from about 4.2 to about 4.5 V at a first temperature; and (b) discharging the battery to a voltage from about 2.5 to about 3.2 V at a second temperature which is about 20 to 40° C. lower than the first temperature. Also provided is a lithium ion battery having an anode prelithiated by the method.

Abstract: A park lock system for a vehicle transmission, includes a movable primary carrier, a secondary carrier, a rod, a first biasing member, an engagement carrier, and a first actuator. The movable primary carrier defines a primary internal space. The secondary carrier is located within the primary internal space and is movable relative to the primary carrier. The rod fixedly extends from the secondary carrier and includes a rod portion located outside of the primary internal space. The first biasing member is located within the primary internal space between the secondary carrier and the primary carrier. The engagement carrier is configured to receive the rod portion and includes a terminal portion operably connected to a pawl and a park lock wheel arrangement to lock and unlock the vehicle transmission. The first actuator is configurable in a first state or a second state.

Abstract: A nut of a helical gear of a piston pump of a hydraulic vehicle power brake system. The nut has a plastic body that is covered by a metal sleeve. The plastic body has a through hole having a nut thread.

Abstract: The invention relates to a method for determining a gain error of at least one current measuring device (8, 9, 10) of a sensor unit (7) of an electric machine (1), wherein the machine (1) has a stator winding (2) having at least three phases (U, V, W) and a rotor (5) which is mounted so as to be rotatable about an axis of rotation (6).

Abstract: A method for operating a brake system. A brake request signal is generated, and a setpoint brake pressure required in an active circuit is ascertained. An actual brake pressure is set according to the setpoint brake pressure. A wheel brake actuated by the active circuit is hydraulically decoupled from the pressure generation device by closing an isolation valve, which is situated between the pressure generation device and the wheel brake, the isolation valve is preloaded to a closed state counter to an inflow direction of a volume flow into a brake-side section between the isolation valve and the wheel brake. A hydraulic recoupling of the wheel brake takes place by opening the isolation valve in that the actual brake pressure is set according to the setpoint brake pressure and an opening force is simultaneously applied to the isolation valve such that a compensation of a closing force takes place.

Abstract: A storage battery device for a battery pack of a handheld power tool. The storage battery device including at least one electronics unit that has at least one circuit board. The electronics unit includes at least one electrically conductive plastic element, in particular, an electrically conductive elastomer, which is connected electrically to at least the circuit board.

Abstract: The invention relates to a method for operating an electric machine (100) having a power converter (100) and multiple phases, in which method, phase currents flowing through the phases during operation of the electric machine (100) are determined and are used for continued operation of the electric machine (100), the phase currents being determined taking account of a fundamental wave and at least one harmonic of the current profile of each phase current.

Abstract: A micromechanical sensor, including a micromechanical chip having a first micromechanical structure, a first evaluation chip, having a first application-specific integrated circuit, and a second evaluation chip having a second application-specific integrated circuit. The first evaluation chip and the micromechanical chip are situated in a stacked manner, the micromechanical chip being directly electrically conductively connected with the first evaluation chip and the first evaluation chip being directly electrically conductively connected with the second evaluation chip. The first application-specific integrated circuit primarily includes analog circuit elements and the second application-specific circuit primarily includes digital circuit elements.

Abstract: A cuboidal hydraulic block of a hydraulic power unit of a hydraulic power vehicle braking system for use in a left-hand drive vehicle or a right-hand drive vehicle to be attachable, rotatably by 180° about a horizontal axis, at a splashboard of a motor vehicle. An electric motor of a power brake pressure generator is thus selectively situated on a right or a left side of the hydraulic block.

Abstract: [Problem] A brake hydraulic pressure controller capable of being formed with a relatively large damper chamber while suppressing enlargement of a housing is provided. [Means for Resolution] The brake hydraulic pressure controller includes: a motor having a motor shaft; a skew plate fixed to a tip of the motor shaft and arranged to be inclined with respect to an axial direction of the motor shaft; and a pump element driven by rotation of the motor shaft and the skew plate. The pump element has: a piston that reciprocates in parallel with the axial direction of the motor shaft in conjunction with the rotation of the skew plate; an accommodation chamber that accommodates a part of the piston and to which a brake fluid is introduced; a release valve that releases the brake fluid from the accommodation chamber; and a pressure damper chamber that is provided in a reciprocal direction of the piston and into which the brake fluid released from the release valve flows.

Abstract: The invention relates to a method (400) for regulating an electric machine (190), comprising at least one first filter (140) and at least one second filter (142, 144). The method has the steps of: ascertaining (410) a feedback variable (Idq); filtering (412) a specifiable GW matching variable (Idq*); ascertaining (414) the filtered feedback variable without fundamental components (IdqWo-Funda); filtering (416) the filtered feedback variable without fundamental components (IdqWo-Funda); ascertaining (418) a filtered feedback variable without harmonic components (IdqFunda); and energizing (480) at least one winding of the electric machine (190) on the basis of the filtered feedback variable without harmonic components (IdqFunda).

Abstract: A housing assembly for an electronic circuit including an electronic control unit (ECU) is a low-profile, generally rectangular device that includes a container, a cover that closes an open end of the container, and a printed circuit board disposed in the housing. The container includes an input electrical connector and an output electrical connector formed at opposed ends of the housing. The output electrical connectors includes electrically conductive pins having an irregular shape and that are partially embedded in the container in such a way that each pin has zero degrees of freedom of movement relative to the container.

Abstract: A hydraulic block for a hydraulic unit of a slip-controlled, hydraulic power vehicle braking system including a primary piston, which protrudes from the hydraulic block and at which a pin-shaped signal generator holder for a permanent magnet is situated. The primary piston and the signal generator holder are enclosed with a tubular housing the shape of a cylindrical bowl, at which abut two converging, tangential walls.

Abstract: A steering gear mechanism is disclosed for a steering system of a motor vehicle including at least a housing, a gear wheel, a pinion intermeshing with the gear wheel and a pinion shaft comprising the pinion. The pinion shaft is mounted on one side of the pinion in a fixed bearing, which includes a pivot bearing, in which the pinion shaft is received. The pivot bearing itself is received in a fixed bearing sleeve. The fixed bearing comprises a pivot ring, which has an outer ring and an inner ring, which are connected to each other by way of one or more torsion webs in such a manner that pivoting about a pivot axis defined by the one or more torsion webs is enabled, the inner ring being received in the fixed bearing sleeve and the outer ring being mounted within the housing.

Abstract: A particle sensor for detecting particles in a flow of a measuring gas for detecting soot particles in an exhaust gas channel of a burner or of an internal combustion engine. The particle sensor includes a device for generating or for supplying laser light, a device for focusing laser light, and a device for detecting or transferring thermal radiation. The particle sensor includes at least one optical access, which separates an area exposed to the measuring gas from an area facing away from the measuring gas not exposed to the measuring gas, the device for generating or supplying laser light and/or the device for detecting or for transferring thermal radiation being situated in the area facing away from the measuring gas, wherein the particle sensor removes a sub-flow from the measuring gas flow and supplies it to the laser focus and further fluidically shields the optical access from the sub-flow.

Abstract: A computer-implemented method for using machine learning to determine control parameters for a control system, in particular of a motor vehicle, in particular for controlling a driving operation of the motor vehicle. The method includes: providing a set of travel trajectories; deriving reward functions from the travel trajectories, using an inverse reinforcement learning method; deriving driver type-specific clusters based on the reward functions; determining control parameters for a particular driver type-specific cluster.

Abstract: A sensor device for detecting liquid, in particular in a controller of a steering system of a vehicle, includes at least one sensor element and a testing unit. The sensor element is electrically connected to the testing unit. The testing unit has a signal transmitter, connected to the sensor element, that is configured to generate an electrical test signal, and a signal receiver, connected to the sensor element, that is configured to detect a reaction signal for the electrical test signal. The signal transmitter and the signal receiver are each connected at high impedance to the at least one sensor element. The testing unit is configured to detect the reaction signal at least at a time as a first reaction signal for which the electrical test signal has been generated in order to infer a presence of the medium.

Abstract: Adjusting of calibration parameters for a sensor. The adjusted calibration parameters may be used to correct the raw data of the sensor. It is provided to calculate new calibration parameters only when accuracy of the calibration parameters currently available is no longer adequate, and suitable measurement data are available for a recalibration of the sensor. Otherwise, the components necessary for calibrating the sensor data may be deactivated in order to reduce energy consumption.

Abstract: A system for generating synthetic test cases for fuzz testing. One example includes an electronic processor. The electronic processor is configured to pre-process training data, use the training data to train a discriminator DNN to evaluate a test case to determine whether the test case is likely to expose a software vulnerability, and use the discriminator DNN to train a generator DNN to generate a test case that is likely to expose a software vulnerability. The electronic processor uses the discriminator DNN to train the generator DNN by determining whether a test case generated by the generator DNN is likely to expose a software vulnerability and sending a determination of whether the test case generated by the generator DNN is likely to expose a software vulnerability to the generator DNN. The electronic processor is further configured to, when the generator DNN is trained, generate one or more test cases.

Abstract: A method for controlling a robot device. The method includes performing an initial training of an actor neural network by imitation learning of demonstrations, controlling the robot device by the initially trained actor neural network to generate multiple trajectories, wherein each trajectory comprises a sequence of actions selected by the initially actor neural network in a sequence of states, and observing the return for each of the selected actions, performing an initial training of a critic neural network by supervised learning, wherein the critic neural network is trained to determine the observed returns of the actions selected by the initially actor neural network, training the actor neural network and the critic neural network by reinforcement learning starting from the initially trained actor neural network and the initially trained critic neural network and controlling the robot device by the trained actor neural network and trained critic neural network.