Abstract: A device for controlling personal protection apparatus in a vehicle includes: at least one sensor unit that acquires at least one physical quantity; and evaluation and control unit which (i) produces, from the at least one acquired physical quantity, at least one signal curve that characterizes an impact, (ii) determines, as a function of an energy dissipation behavior of the vehicle, at least one temporal phase in the produced signal curve, and (iii) evaluates the at least one phase for crash classification and for a triggering decision for the personal protection apparatus. The evaluation and control unit retroactively calculates at least one feature of the energy dissipation based on a characteristic time in the signal curve that represents the end of a first temporal phase.

Abstract: In a method for ascertaining a triggering event for an airbag in a vehicle, an imminent collision is ascertained with the aid of a surroundings sensor, an error signal being generated if no signal is established in a collision sensor within a defined time window.

Abstract: Methods and systems for managing an electrical connection between a power regulating device included in a vehicle and an energy storage device included in the vehicle. One system includes an electronic processor configured to compare a first acceleration of the vehicle to a first threshold and generate a first output representing whether the first acceleration exceeds the first threshold. The electronic processor is also configured to compare a second acceleration of the vehicle to a second threshold and generate a second output representing whether the second acceleration exceeds the second threshold. The electronic processor is further configured to output a signal to disconnect the power regulating device from at least one energy storage device include in the vehicle when the first output represents that the first acceleration exceeds the first threshold and the second output represents that the second acceleration exceeds the second threshold.

Abstract: A method for actuating restraint means for a vehicle, the method having the following steps: detecting, at a first instant, at least one first value that represents an acceleration; ascertaining a value that represents a force acting on the vehicle from the detected at least one first value that is representative of an acceleration; actuating the restraint means as a function of the ascertained value and/or a value that is derived from the ascertained value.

Abstract: Method for checking a device for a vehicle for detecting an impact, in particular an impact with a pedestrian, by means of at least one impact-sensing means which is based on at least a first volume, in particular by means of an impact-sensing means which is based on at least one hose, a device having means for carrying out such a method and a corresponding system, in which at least one first variable is acquired, wherein the at least one first variable represents a pressure and/or a volume and/or a change in pressure and/or a change in volume in the first volume, and a result of the checking of the device is determined as a function of a profile of the at least one first variable.

Abstract: A method is provided for activating a pedestrian protection system of a vehicle. The method includes a step of carrying out a first threshold value comparison, in the first threshold value comparison at least one signal feature of a first sensor signal being compared to an adaptation threshold value, a step of determining a threshold value adaptation value based on a result of the first threshold value comparison, and a step of carrying out a second threshold value comparison. In the second threshold value comparison, at least one signal feature of a second sensor signal is compared to a triggering threshold value, which is adapted using the threshold value adaptation value, for triggering the pedestrian protection system.

Abstract: A method for activating a passenger protection device of a vehicle. A relative velocity value, which represents a relative velocity between the vehicle and an object, and at least one correction value are read in. In a further step, a velocity reduction value, which represents a decrease of a velocity of the vehicle when the vehicle collides with the object, is ascertained using the relative velocity value and the correction value. Finally, an activation signal for activating the passenger protection device is generated using the velocity reduction value.

Abstract: A method for determining an impact location of an object on a vehicle including reading in a first sensor signal value of a first sensor of the vehicle at a predefined first point in time, a second sensor signal value of the first sensor at a predefined second point in time following the first point in time, and a sample value of a second sensor of the vehicle at a third point in time following the second point in time. Additionally, an interpolation point is calculated from the first sensor signal value and the second sensor signal value by using the sample value, at least one component of the interpolation point corresponding to the sample value. A time lag between an interpolation instant assigned to the interpolation point, and the third point in time takes place. Finally, the time lag is used for determining the impact location of the object.

Abstract: Methods and systems for managing an electrical connection between a power regulating device included in a vehicle and an energy storage device included in the vehicle. One system includes an electronic processor configured to compare a first acceleration of the vehicle to a first threshold and generate a first output representing whether the first acceleration exceeds the first threshold. The electronic processor is also configured to compare a second acceleration of the vehicle to a second threshold and generate a second output representing whether the second acceleration exceeds the second threshold. The electronic processor is further configured to output a signal to disconnect the power regulating device from at least one energy storage device include in the vehicle when the first output represents that the first acceleration exceeds the first threshold and the second output represents that the second acceleration exceeds the second threshold.

Abstract: A method for triggering a passenger protection unit of a vehicle includes: reading in a first and a second sensor signal value of a first sensor, which is situated at a first location in the vehicle; reading in a third and a fourth sensor signal value of a second sensor, which is situated at a second location in the vehicle which is different from the first location; and activating the passenger protection unit using the first, second, third and fourth sensor signal values. The first and third sensor signal values represent a physical variable detected in a first sensor direction, and the second and fourth sensor signal values represent a second physical value detected in a second sensor direction which is different from the first sensor direction.

Abstract: Method for checking a device for a vehicle for detecting an impact, in particular an impact with a pedestrian, by means of at least one impact-sensing means which is based on at least a first volume, in particular by means of an impact-sensing means which is based on at least one hose, a device having means for carrying out such a method and a corresponding system, in which at least one first variable is acquired, wherein the at least one first variable represents a pressure and/or a volume and/or a change in pressure and/or a change in volume in the first volume, and a result of the checking of the device is determined as a function of a profile of the at least one first variable.

Abstract: A method is provided for determining a collision characteristic of a vehicle collision for triggering safety means of the vehicle. The method has a step of an ascertainment of at least one determination-relevant time segment of a sensor signal representing the vehicle collision before a triggering time for a safety means. The method also has a step of a comparison of at least two features of the sensor signal in the at least one time segment with one another in order to determine the collision characteristic.

Abstract: A method for ascertaining a type of collision of a vehicle includes: receiving acceleration information items, via a reception interface, representing the accelerations of the vehicle in a vehicle longitudinal direction and a vehicle transverse direction; determining a first resultant acceleration information item from a first and a second acceleration information item; determining a second resultant acceleration information item from a third and a fourth acceleration information item; combining the first and second resultant acceleration information items to obtain at least one evaluation information item; and determining the collision type based on the at least one evaluation information item.

Abstract: A method is provided for activating a pedestrian protection system of a vehicle. The method includes a step of carrying out a first threshold value comparison, in the first threshold value comparison at least one signal feature of a first sensor signal being compared to an adaptation threshold value, a step of determining a threshold value adaptation value based on a result of the first threshold value comparison, and a step of carrying out a second threshold value comparison. In the second threshold value comparison, at least one signal feature of a second sensor signal is compared to a triggering threshold value, which is adapted using the threshold value adaptation value, for triggering the pedestrian protection system.

Abstract: A method for triggering a passenger protection unit of a vehicle includes: reading in a first and a second sensor signal value of a first sensor, which is situated at a first location in the vehicle; reading in a third and a fourth sensor signal value of a second sensor, which is situated at a second location in the vehicle which is different from the first location; and activating the passenger protection unit using the first, second, third and fourth sensor signal values. The first and third sensor signal values represent a physical variable detected in a first sensor direction, and the second and fourth sensor signal values represent a second physical value detected in a second sensor direction which is different from the first sensor direction.

Abstract: A device and a method for triggering passenger protection devices, an accident sensor system generating a first signal and the passenger protection devices being triggered as a function of a frequency of a second signal, which is derived from the first signal, the frequency being determined as a function of a first length of a first signal characteristic of the second signal and of a second length of a second signal characteristic of the added-up second signal.

Abstract: A method and a control device for triggering passenger protection devices are provided, the passenger protection devices being triggered as a function of a first acceleration signal and/or a driving dynamics signal. The acceleration signal is corrected by an offset by a comparison with the driving dynamics signal.

Abstract: A method to determine at least one triggering parameter of personal protection device of a vehicle using pattern signal curves of a possible signal of a sensor for a physical variable. The pattern signal curves replicating a curve over time of the physical variable upon impact of an object on the vehicle at a different location on the vehicle and/or upon impact of the object on the vehicle at a different angle. A sensor signal is read which represents the physical variable measured by a sensor. Values of a curve over time of the sensor signal are compared to values of the at least two pattern signal curves, that pattern signal curve being selected which, in at least one time segment of the pattern signal curve or one scaled form of the pattern signal curve has a lower deviation from the curve over time of the sensor signal.

Abstract: A method for ascertaining a type of collision of a vehicle includes: receiving acceleration information items, via a reception interface, representing the accelerations of the vehicle in a vehicle longitudinal direction and a vehicle transverse direction; determining a first resultant acceleration information item from a first and a second acceleration information item; determining a second resultant acceleration information item from a third and a fourth acceleration information item; combining the first and second resultant acceleration information items to obtain at least one evaluation information item; and determining the collision type based on the at least one evaluation information item.

Abstract: A method for detecting a safety-critical impact of an object on a vehicle is described. The method has a first step of obtaining a starting signal for starting a time measurement, to establish the start of a subsequent predetermined time span. In addition, the method has a step of receiving a signal representing a yaw acceleration of the vehicle, the signal being received during the predetermined time span. Finally, the method has a step of detecting the safety-critical impact of the object on the vehicle detecting the safety-critical impact of an object on the vehicle when the signal within the predetermined time span has a value that is outside a threshold value range or when the signal after the predetermined time span has a value derived from the signal that is outside of a threshold value range.