Abstract: A method for triggering an occupant protection device in a vehicle including the steps: detecting a first measured variable and simultaneously generating a corresponding first signal for indicating a necessity for triggering at least one occupant protection device; detecting an acceleration value in the z direction and simultaneously generating a corresponding second signal; calculating a trigger signal for triggering at least one occupant protection device as a function of the first and second signals, and triggering the at least one occupant protection device as a function of the calculated trigger signal. An appropriate device is also described.

Abstract: A system assists a driver occupying a seat within a vehicle traveling on a road. The system includes sensing apparatus that senses a plurality of different types of conditions regarding the vehicle. Information apparatus provides information regarding the different types of conditions to the driver by respective different types of haptic inputs.

Abstract: A vehicle safety system comprising a vehicle stability-regulating system, one or more secondary safety components and an electronic interface. The electronic interface communicates with both the vehicle stability-regulating system and the secondary safety components. The electronic interface receives data from the vehicle stability-regulating system and controls the operating condition of the secondary safety components based thereon.

Abstract: A method and device for triggering a personal protection device for a vehicle, in particular, an occupant protection device in a vehicle. An acceleration sensor provides a first impact parameter Formula, compared with a triggering threshold value. A chassis noise sensor provides a second impact parameter Formula. The triggering threshold value is altered depending on the second impact parameter Formula.

Abstract: A seat belt apparatus includes a belt reel having a belt wound thereon, a motor for driving the reel to take up the belt; a control section for adjusting an amount of electric current supply to the motor to thereby control a belt-taking-up driving force of the motor, a current detection section for detecting the current supplied to the motor, and a rotation detection section for detecting a rotational position of the reel. The control section includes a constant current control section for executing a constant current control mode so that the current supply to the motor takes a target value, and a target current supply value change section for changing the target value when a detection signal from the rotation detection section has satisfied a predetermined condition in the constant current control mode.

Abstract: Occupant displacement corresponding to sensed acceleration in a crash event is determined and used to enable and disable deployment of supplemental restraints based on crash severity. The determined occupant displacement is compared to a first threshold calibrated to discriminate against disturbances due to rough roads and other non-crash events, and a second threshold calibrated to discriminate against non-deployment crash events. Deployment of supplemental restraints based on crash severity is enabled only when the determined displacement is between the first and second thresholds.

Abstract: The vehicle-mounted safety control apparatus includes a first function of detecting an object ahead of the vehicle, a second function of acquiring, as a time to collision, a ratio of a relative speed to a relative distance between the vehicle and the object, a third function of performing an automatic brake operation when the time to collision is smaller than or equal to a predetermined time, a fourth function of detecting acceleration of the vehicle, and a fifth function of acquiring, as a collision acceleration, acceleration detected within a period having a predetermined duration and straddling a time at which the time to collision becomes 0, and operating to continue the automatic brake operation if the collision acceleration is larger than or equal to a collision threshold preset to a value larger than acceleration produced by the automatic brake operation, and otherwise terminate the automatic brake operation.

Abstract: Described is a control unit and an acceleration sensor system, the control unit having an electronic safety switch which, as a function of a signal of an acceleration sensor system, releases output stages for actuating passenger protection means independently of a processor and the processor actuates the output stages as a function of the signal. The safety switch analyzes an integrated acceleration signal.

Abstract: In a method and a control unit for triggering passenger protection devices, at least one characteristic is extracted from at least one variable. A crash is classified on the basis of this at least one characteristic, and the crash classification results in the making of a triggering decision. The passenger protection devices are then triggered as a function of the triggering decision. The triggering decision is made by providing a sequence control which, as a function of at least one progression variable, activates or deactivates a plurality of functions for the crash classification and/or defines which at least one characteristic is used for the particular function.

Abstract: A data communication system includes one or more data processing units and includes a central control unit. The decentralized data processing units are connected to the central control unit by data connection. The central control unit (10) includes a synchronisation unit for outputting via the data connection an synchronisation signal to the data processing unit. The data processing unit includes a data generator for generating data and transmitting, after the synchronisation signal, data to the central control unit.

Abstract: An algorithm that is part of a collision preparation system that provides selective and limited vehicle braking to avoid undesirable intrusive high-G braking while still giving the system adequate time to activate collision mitigation devices on the vehicle before impact with an object. If a predicted time to collision between the vehicle and the object is less than a required time to collision, which is determined by how much time is necessary for a certain collision mitigation device to be activated, the algorithm calculates a time dilation deceleration. The system causes the vehicle to automatically brake to decelerate the vehicle at the time dilation deceleration until the time dilation deceleration reaches a predetermined decelerating threshold so that more time is available for the collision preparation system to determine whether to activate the collision mitigation device.

Abstract: A wheelchair lift having a logic module which provides several interlocks that promote proper operation is described. The logic module may be programmed to enable efficient user interface and to compensate for variations in lift operation parameters. In one embodiment, the wheelchair lift has an arm geometry which requires a lower peak force for operation.

Abstract: A device and a method for triggering passenger protection systems, the passenger protection systems being triggered as a function of a rollover process. A signal which characterizes a road grip coefficient (coefficient of friction) is received via an interface. An evaluation circuit is provided which triggers the passenger protection systems as a function of the signal and a stability factor, the evaluation circuit determining the stability factor as a function of at least one kinematic variable.

Abstract: A safety device for motor vehicles includes an impact detection system and a triggering device for triggering a braking operation as a function of a signal of the impact detection system characterized in that the triggering device is designed for the purpose of triggering the braking operation when the impact detection system indicates the beginning of an impact.

Abstract: The absolute roll angle of a vehicle body is estimated by blending two preliminary roll angle estimates based on their frequency so that the blended estimate continuously favors the more accurate of the preliminary roll angle estimates. A first preliminary roll angle estimate based on the measured roll rate is improved by initially compensating the roll rate signal for bias error using roll rate estimates inferred from other measured parameters. And a second preliminary roll angle estimate is determined based on the kinematic relationship among roll angle, lateral acceleration, yaw rate and vehicle speed. The blended estimate of roll angle utilizes a blending coefficient that varies with the frequency of the preliminary roll angle signals, and a blending factor used in the blending coefficient is set to different values depending whether the vehicle is in a steady-state or transient condition.

Abstract: A system and method for detecting a rollover of a vehicle that includes at least one wheel reaction force sensing device for transmitting wheel reaction force signals indicative of an amount of force exerted on at least one wheel of the vehicle is provided. The system includes a controller operably coupled to the at least one wheel reaction force sensing device and including at least one accelerometer sensor for transmitting acceleration signals. The controller is configured to determine a first force index in response to the wheel reaction force signals, determine a first lateral acceleration of the vehicle in response to the acceleration signals, compare the first force index to a threshold force index and the first lateral acceleration to a threshold lateral acceleration, and deploy a restraint system based on the comparison.

Abstract: A remote vehicle starter allows a user to start an engine of a vehicle remotely. The starter includes a parameter-signal generating unit, a receiving unit, an engine starting unit and a controller. The parameter-signal generating unit generates a vehicle-parameter signal on a basis of a power source. The receiving unit receives an instruction for starting the engine. The engine starting unit starts the engine when receives the instruction for starting the engine from the receiving unit and receiving the vehicle-parameter signal satisfying a starting permission condition from the parameter-signal generating unit. The controller controls an engine starting by the engine starting unit, in accordance with a power source voltage value of the power source.

Abstract: The present arrangement provides a method for monitoring the performance reliability of a control unit and/or at least one sensor of a safety device for the protection of vehicle occupants, comprising the steps that a negative acceleration or velocity caused by an impact, in particular, be recorded; a value for the impact severity be derived from the recorded acceleration or velocity; and the value for the impact severity be compared to a predefined threshold value. If the value for the impact severity exceeds the predefined threshold value, an error-function signal will be output, which indicates that the proper functioning can no longer be ensured for the control unit and/or for at least one sensor. The present arrangement also relates to a diagnostic device for such a method.

Abstract: A method for determining an initial float angle for skid detection in rollover sensing of a rollover of a vehicle having at least one sensor system for vehicle-dynamic signals and a control unit for activating a restraining device, which divides the driving state of the vehicle into chronologically consecutive state phases, having the following method steps carried out continuously in the first state phase: calculating a change in the float angle from the vehicle-dynamic signals; comparing the calculated change in the float angle with a predefinable threshold value; and determining the initial float angle on the basis of the calculated change in the float angle as a function of the threshold value for a first range of small changes in the float angle or for a second range of larger values of changes in the float angle and a device therefor.

Abstract: A vehicle collision detector is configured to reliably activate an airbag system at a collision and prevent the airbag system from erroneously operating. The collision detector includes two acceleration sensors disposed at different positions in a vehicle to detect acceleration for collision determination, first and second collision routines in which a determination is made on whether or not a variation in the detected acceleration is caused by a collision, and a final collision routine in which an airbag module is activated when all of results of the first and second collision routines indicate a collision.

Abstract: A module and method for determining whether a seat is empty. In one embodiment, the module includes a projection module that is configured to receive force data that includes a plurality of modes. The projection module is also configured to isolate data for one of the modes. A transform module is configured to communicate with the projection module, and to transform the data for one of the modes into a frequency domain, thus generating spectral mode data. In addition, a spectral analysis module is configured to communicate with the transform module, and to classify the spectral mode data.

Abstract: A system for sensing the presence of a vehicle occupant and taking remedial action so as to prevent overheating of an occupant of the vehicle. The system comprises a presence sensor, a temperature sensor, and a control module. The presence sensor provides information relating to the presence of an occupant in the vehicle and he temperature sensor measures an interior temperature of the vehicle. The control module receives temperature measurements from the temperature sensor, receiving the information from the presence sensor, forms a temperature comparison by comparing the information from the presence sensor with predetermined criteria, forms a determination whether to operate a cooling mechanism of the vehicle so as to reduce the interior temperature, the determination based on the temperature comparison and the information from the presence sensor, and operates the cooling mechanism based on the determination.

Abstract: An apparatus for detecting information related to a side impact of a vehicle includes a sensor spaced from a metal object and located in a space defined by vehicle door panels, and a mounting portion to which the sensor is attached relative to the vehicle door. The sensor includes a ring-like coil parallel to the object, a housing for the coil that is coaxial with the coil, and a sensor bracket between the coil housing and the mounting portion. The sensor bracket includes a ring-like peripheral portion joined along a ring-like portion of the coil housing, a bottom portion spaced apart from and extending on the opposite side of the object with regard to the coil housing, and a standing portion between the peripheral portion and the bottom portion. The sensor detects a distance between the coil and the object based on a variation in current flowing through the coil.

Abstract: A method of controlling a magneto-rheological power steering coupling is provided. The method is to be employed by a controller and is initiated upon engine start-up. The method includes initializing calibration parameters and reading a plurality of input values. Subsequently, a hand wheel angle rate value is calculated from one of said plurality of input values. A pump speed command value is calculated as a function of at least the hand wheel angle rate value. A pump speed error value is then calculated, and a proportional-integral-derivative calculation is performed acting on the pump speed error value to determine a pulse width modulation duty cycle value. The duty cycle value is then output to a power driver to provide a control signal to the magneto-rheological power steering coupling. Also provided is control system and apparatus operable to perform the functions described hereinabove.

Abstract: An air bag system (12) includes a controller (14), a remote satellite sensor (16), and a deployable air bag (18). Controller logic for deployment discrimination of an impact event sensitizes an airbag deployment command in response to signals from the satellite sensor. The logic determines a crash-pulse energy term (CPE) which discriminates impact signals which are particularly useful for identifying side impact events.

Abstract: A mobile robot is equipped with a range finder and a stereo vision system. The mobile robot is capable of autonomously navigating through urban terrain, generating a map based on data from the range finder and transmitting the map to the operator, as part of several reconnaissance operations selectable by the operator. The mobile robot employs a Hough transform technique to identify linear features in its environment, and then aligns itself with the identified linear features in order to navigate through the urban terrain; while at the same time, a scaled vector field histogram technique is applied to the combination of range finder and stereo vision data to detect and avoid obstacles the mobile robot encounters when navigating autonomously. Also, the missions performed by the mobile robot may include limitation parameters based on distance or time elapsed, to ensure completion of the autonomous operations.

Abstract: An automobile rollover prediction and restraint device deployment system comprises a plurality of automobile data sensors to generate a plurality of data signals, and a controller to receive the data signals and configured to deploy resettable and non-resettable restraint devices. The controller is configured to activate at least one resettable restraint device when one or more of the data signals exceed a first threshold, indicating that the vehicle is in a position or undergoing movement that indicates a potential for vehicle rollover, and to de-activate the at least one resettable restraint device when one or more of the data signals fall below the first threshold.

Abstract: A system for providing post-impact signals in a vehicle is provided. The vehicle includes at least one impact zone with a passive safety sensor positioned at designated sections of the vehicle. The system comprises a plurality of passive safety sensors, a passive safety controller, and an active safety controller. The passive safety controller determines the impact location, impact direction and intensity. The passive safety controller transmits a passive output signal indicative of the impact intensity, impact direction and impact location. The active safety controller stabilizes the vehicle post-impact in response to the passive output signal.

Abstract: A method and a device for activating a restraining arrangement, in which the restraining arrangement is triggered as a function of the crash type and/or the crash severity. The crash type is derived from a signal characterizing the crash. The crash type is ascertained by analyzing signal and slope values of the signal characterizing the crash using threshold values. The crash severity is derived from the crash type and information about the velocity of vehicle.

Abstract: A vehicle pre-impact sensing system and method are provided. Included in the system is an array of energy signal transmitters mounted on a vehicle for transmitting signals within multiple transmit zones incrementally spaced from the vehicle. The system further includes an array of receiver elements mounted on the vehicle for receiving signals reflected from an object located in one or more multiple receive zones indicative of the object being in certain one or more zones. The system also includes a processor for processing the received reflected signals and determining location, speed and direction of the object, wherein the processor further determines whether the object is expected to impact the vehicle as a function of the determined location, speed and direction of the object, and generates an output signal indicative of a pre-impact event.

Abstract: The present invention relates to an integrated safety control system for vehicles. In particular, the present invention includes a sensor unit, an actuating unit, an actuating control unit, and an integrated control unit. The sensor unit includes a plurality of sensors for outputting sensed signals required for chassis control and Advanced Safety Vehicle (ASV) control of the vehicle. The actuating unit includes a plurality of actuating subunits for performing the chassis control and the ASV control. The actuating control unit includes a plurality of actuating control subunits provided for the respective actuating subunits, and configured to operate the respective actuating subunits. The integrated control unit compares and analyzes the sensed signals and selectively controls the respective actuating subunits so as to perform chassis control and ASV control in an integrated control manner.

Abstract: A passenger protecting system is provided with at least two sensors which detect an impact to a vehicle, a determining unit for determining a collision with the vehicle based on detection signals of the sensors, and a communication unit through which the sensors are connected with the determining unit so that the detection signals of the sensors are transmitted to the determining unit. The detection signal of one of the sensors has a reverse polarity with respect to that of other of the sensors. Thus, the determining unit can be restricted from a faulty determination due to a fault of the communication path or the sensors, so that a misoperation of the passenger protecting system can be reduced.

Abstract: A frame deformation control apparatus to be used for a frame being constructed of a plurality of sub-frames, the frame deformation control apparatus has a joint unit connecting adjoining sub-frames, the joint unit allows the adjoining sub-frames to turn around the joint unit, a detector measuring a bending moment to be added to the joint unit, and a brake unit restricting the turn around the joint unit of the adjoining sub-frames.

Abstract: An anterior part of a vehicle is provided with a bumper armature as a structural member having high rigidity. A bumper is disposed front of the bumper armature, and a radiator and an engine are disposed behind the bumper armature. A collision determining device embedded with an acceleration sensor as an airbag development control apparatus is arranged in a position approximately in the center of a vehicle interior. A time period “t” during when a signal waveform curve outputted from the acceleration sensor reaches from a first threshold value to a second threshold value is measured to judge whether or not the time period “t” is equal to or less than a previously set time “s”. When t?s satisfied, full development of an airbag in which both of inflators are activated is selected by determining that the collision is occurred under a high speed condition.

Abstract: A method for controlling a vehicle occupant protection device includes the steps of providing a mass of a vehicle as an operand and a dependence between a deformation of the vehicle body and work to be performed for the deformation. The vehicle acceleration is recorded with an acceleration sensor. The vehicle occupant protection device is controlled as a function of the mass of the vehicle, the work, and the acceleration. To control the device, the mass and the dependence are stored in a memory. The actual deformation of the vehicle body that occurs during an accident is determined as a function of acceleration recorded, the work, and the mass of the vehicle. The vehicle occupant protection device is controlled as a function of the actual deformation of the vehicle body or of a variable derived from it. An apparatus for controlling the device includes an acceleration sensor having a memory and an arithmetic unit.

Abstract: A wireless system that detects the presence of a child in a safety seat located in the passenger cabin of a vehicle includes a controller responsive to signals generated by sensors monitoring predefined functions of the vehicle, RFID tag device attached to the safety seat and RFID tag reader mounted in the cabin. The system generates control signals which activate an alarm, open the doors of the vehicle and roll down windows if the child is left in the safety seat of an unattended vehicle.

Abstract: A crash detection arrangement, to be installed in a motor vehicle, for detecting a crash and providing a control signal for controlling a safety device in the event that a crash is detected, the arrangement comprising an accelerometer and a control unit, the accelerometer being arranged to supply a signal to the control unit which is indicative of the acceleration of the vehicle, the control unit being adapted to: calculate a classification parameter based on the value of the signal from the accelerometer during a classification time period, which includes an interval of time before an initiation criterion was fulfilled; modify a crash evaluation algorithm in dependence upon the classification parameter; and perform the crash evaluation algorithm upon fulfillment of the initiation criterion to produce the control signal.

Abstract: A method and system for detecting a vehicle rollover or dangerous situations that may precede a rollover, in particular a soil trip type rollover includes the following steps, where the steps are performed in loops, (a) determining a lateral acceleration of the vehicle, (b) calculating an acceleration differential value on the basis of the lateral accelerations determined in at least two steps (a), (c) determining a possibility of a rollover of the vehicle on the basis of the lateral acceleration determined in at least one step (a) and the acceleration differential value calculated in at least one step (b), (d) generating an output activation signal at least on the basis of a possibility of a rollover of the vehicle determined in a step (c).

Abstract: An occupancy sensor assembly with a variable-resistance seat occupancy sensor comprises an adapter circuit for connecting the occupancy sensor to a control unit. The adapter circuit includes switching means for switching, between discrete states and as a function of resistance of the seat occupancy sensor, a current drawn from the control unit by the assembly.

Abstract: A seatbelt apparatus for a vehicle includes a control device for controlling an amount of electric current fed to a motor for winding a seatbelt. The control device controls the motor such that a predetermined amount of electric current is applied to the motor in a behavioral state of the vehicle requiring emergency measures, and such that when the seatbelt is wound a predetermined amount, the predetermined amount of winding is maintained.

Abstract: A control device of a protective means for rollover protection for a motor vehicle includes a rotational acceleration sensor for the rotational acceleration about the longitudinal axis of the vehicle (rolling motion of the vehicle) and an analyzer device for analyzing the rotational acceleration (angular acceleration). A signal that depends on the rotational acceleration is output by the analyzer device for the protective means for rollover protection.

Abstract: A device for differentiating between a person sitting on the seat surface of a vehicle seat and an object includes at least one largely flat bearing surface that is arranged over a large part of the seat surface including a central region. The novel device includes a vehicle seat, a cushion with weight sensors that are distributed over the seat surface of the vehicle seat in a plane manner, and an evaluation unit to which the signals of the weight sensors are supplied. A central region of the seat surface is curved in a concave manner in the direction of the bottom of the vehicle, in such a way that a first weight sensor arranged therein is closer to the bottom of the vehicle than a plurality of second weight sensors arranged in the region of the seat surface covered by the object, outside the central region. The capacity to differentiate between a person and an object is especially useful when the object is a child seat. In this case, the triggering of a passenger retaining means must be prevented.

Abstract: A motor vehicle including a preventive protective system which includes safety devices actuated as a function of information obtained from a vehicle state sensor system and evaluated in a data evaluation and control device. In the associated process, the data evaluation and control device compares the recorded information with at least one triggering threshold value and actuates at least one safety device which is associated with this driving state when a criticality of the driving state is identified. Triggering of the associated safety device is actuated with respect to a force time gradient as a function of the identified criticality of the driving state.

Abstract: A protecting system for a vehicle includes a tilt-detecting module capable of detecting a tilt condition of the vehicle, an airbag capable of being inflated and expanding to cover an outer surface of the vehicle if the airbag is inflated; and an inflation module capable of generating a gas to inflate the airbag.

Abstract: A vehicle behavior judgment system comprising a rolling angular velocity detector adapted for detecting a rolling angular velocity of a vehicle, a rollover judgment device adapted for judging, based on at least a rolling angular velocity of a vehicle, whether the vehicle rolls over or not, and a noise-cutting filter adapted for removing a noise component from the rolling angular velocity.

Abstract: Methods and systems for analyzing vibrations of a vehicle acting on a person. The person uses a sprung vehicle seat. A detection unit detects acceleration values fitted to the vehicle seat in the x-, y- and z-axes at preset intervals of time. An increase over time of the acceleration values cumulated with one another is determined and a time calculated from this when a pre-determinable permitted maximum of the cumulated acceleration values will foreseeably be reached.

Abstract: A method and apparatus for controlling an occupant restraint apparatus are provided which allow the force applied to a nearby occupant to be optimized in response to collision conditions. In one form, a method for controlling an occupant restraint apparatus includes detecting an obstacle in a travelling direction of a vehicle that may potentially collide with the vehicle; predicting a type of collision between the obstacle detected and the vehicle; setting conditions for expanding an airbag of the vehicle based on the collision type predicted; and controlling the expansion of the airbag and/or gas discharge from the airbag according to the conditions set at the setting step. Detecting the obstacle preferably includes detecting the position and relative speed of the obstacle with respect to the vehicle based on images of views in the travelling direction of the vehicle.

Abstract: An overturn prevention control device includes a bicycle robot capable of freely laterally inclining, an angular velocity sensor mounted on the bicycle robot such that a detection axis thereof extends in a substantially longitudinal direction of the bicycle robot, a motor mounted on the body such that a rotating shaft thereof extends in a substantially longitudinal direction of the body, a rotation sensor that detects a rotational position or a rotational speed of the motor, and an inertial rotor coupled to the rotating shaft of the motor. The overturn prevention control device corrects inclination of the bicycle robot by rotating the inertial rotor using the motor and by utilizing a reaction torque occurring when the inertial rotor is rotated.

Abstract: A control apparatus for an occupant protection device in a motor vehicle, including an apparatus for classifying an object and/or occupant on a motor vehicle seat is provided. The control apparatus includes a capacitive force sensor for recording a weight force acting on the motor vehicle seat, which is realized as a measurement capacitor which has at least one elastic, and therefore deformable, plate. The sensor signal is supplied to a control and evaluation circuit which allows the sensor signal to be classified, according to the weight or according to the weight distribution and therefore according to the position of the occupant and/or of the object on the motor vehicle seat, and controls the occupant protection device as a function of the classification. This provides a very robust control apparatus which is of straightforward design and permits very reliable classification and accordingly ensures reliable control of the occupant protection device.

Abstract: A method of providing range measurements for use with a vehicle, the method comprising the steps of: a) visually sensing (2) the area adjacent the vehicle to produce visual sense data (22); b) range sensing (26) objects around the vehicle to produce range sense data; c) combining the visual sense data and the range sense data to produce, with respect to the vehicle, an estimate of ranges to the objects around the vehicle (28). The estimate of ranges to the objects around the vehicle may be displayed (29) to a driver.