Abstract: The lateral motion control apparatus calculates lateral motion control amounts for a plurality of control targets that operate cooperatively in order to change the lateral motion amount of the vehicle based on a target value for the lateral motion amount of the vehicle, and control the plurality of control targets based on the calculated lateral motion control amounts. Meanwhile, it is determined whether or not the control of the plurality of control targets is to be stopped. When it has been determined that the control of the plurality of control targets is to be stopped, lateral motion degeneration control amounts are determined for each of the plurality of control targets so that the lateral motion control amounts of the plurality of control targets degenerate starting at that time, and the plurality of control targets are controlled based on the determined lateral motion degeneration control amounts.

Abstract: A lateral motion control apparatus includes a target value obtaining unit, a control amount calculation unit, a steering intent determination unit that determines whether a driver of the vehicle is steering with intent, and a control object control unit that controls the control object so as to control the control object based on the control amount when the driver is not steering with intent, and to stop the control of the control object when the driver is steering with intent. The steering intent determination unit includes a steering operation amount obtaining unit and a threshold value setting unit that sets a threshold value for the steering operation amount based on the target value, and determines whether or not the driver is steering with intent by comparing the magnitude of the steering operation amount with the threshold value.

Abstract: The lateral motion control apparatus calculates lateral motion control amounts for a plurality of control targets that operate cooperatively in order to change the lateral motion amount of the vehicle based on a target value for the lateral motion amount of the vehicle, and control the plurality of control targets based on the calculated lateral motion control amounts. Meanwhile, it is determined whether or not the control of the plurality of control targets is to be stopped. When it has been determined that the control of the plurality of control targets is to be stopped, lateral motion degeneration control amounts are determined for each of the plurality of control targets so that the lateral motion control amounts of the plurality of control targets degenerate starting at that time, and the plurality of control targets are controlled based on the determined lateral motion degeneration control amounts.

Abstract: A lateral motion control apparatus for a vehicle includes a control stop determination unit that determines whether or not to stop the control for the control target by the control target control unit based on a steering operation amount inputted by a driver of the vehicle, and a degeneration control amount determination unit that determines a degeneration control amount for the control target such that the control amount for the control target degenerates after the time when the control stop determination unit has determined that the control for the control target is to be stopped. When the control stop determination unit has determined that the control for the control target is to be stopped, the control target control unit controls the control target based on the degeneration control amount determined by the degeneration control amount determination unit.

Abstract: In a vehicle dynamic control platform arranged between a controlled object and an application, an availability obtainer obtains an availability corresponding to a controllable range of a second parameter of the controlled object, and outputs the availability of the second parameter of the controlled object to the application. The application is programmed to output the target value of the first parameter based on the availability of the second parameter of the controlled object. A comparator compares the target value of the first parameter with the availability of the second parameter when the target value of the first parameter is outputted from the application, and determines, based on a result of the comparison, whether to perform dynamic control of the vehicle by controlling the controlled object.

Abstract: The momentum control apparatus includes: an optimal feedback gain obtaining part for obtaining a plurality of optimal feedback gains used when each of the plurality of actuators is independently actuated to feedback control the momentum of the controlled object; and a feedback gain setting part for extracting a minimum feedback gain out of the plurality of optimal feedback gains obtained by the optimal feedback gain obtaining part as a feedback gain of a control system.

Abstract: A lateral motion control apparatus includes a target value obtaining unit, a control amount calculation unit, a steering intent determination unit that determines whether a driver of the vehicle is steering with intent, and a control object control unit that controls the control object so as to control the control object based on the control amount when the driver is not steering with intent, and to stop the control of the control object when the driver is steering with intent. The steering intent determination unit includes a steering operation amount obtaining unit and a threshold value setting unit that sets a threshold value for the steering operation amount based on the target value, and determines whether or not the driver is steering with intent by comparing the magnitude of the steering operation amount with the threshold value.

Abstract: A vehicle motion controlling apparatus has an allocating unit for selecting steering or braking control mainly performed in cooperative control, receiving a desired value of vehicle turning motion, allocating steering and braking controls for the motion, determining main yaw rate from vehicle conditions, and determining a non-main yaw rate from difference between the desired value and the main yaw rate. Setting units set assist torque corresponding to the main yaw rate and braking torque corresponding to the non-main yaw rate when the steering control is selected and set braking torque corresponding to the main yaw rate and assist torque corresponding to the non-main yaw rate when the braking control is selected. The assist torque is generated for assisting a change of steering angle of vehicle in steering control. The braking torque is generated for applying braking force to wheel of vehicle in braking control.

Abstract: An occupant restraint system includes an occupant restraint device on a side face of an automobile interior, at least one of an acceleration sensor for detecting a lateral acceleration of the automobile and a roll sensor for detecting a roll of the automobile, and a determining unit. A detected signal is input into the determining unit. The determining unit determines a rollover or an overthrow of the automobile based on the detected signals, and calculates a head position of the occupant using the detected signals. Then, the determining unit activates the occupant restraint device, when the rollover is determined to have happened and the calculated head position is determined to be close to the occupant restraint device.

Abstract: An apparatus for activating occupant restraint devices of a vehicle includes first and second sensors, first and second determination units, an output circuit, and an activation unit. The first sensor generates a first signal indicative of dynamic movement of the vehicle, and the first determination unit determines, using a CPU, whether or not to output a first activation signal depending on the first signal. The second sensor generates a second signal indicative of the dynamic movement of the vehicle, and the second determination unit determines, using two thresholds of deceleration and acceleration or a single selectively provided deceleration threshold, whether or not to output a second activation signal depending on the second signal. The output circuit outputs a final activation signal upon receiving both the first and second activation signals, and the activation unit activates the occupant restraint devices of the vehicle upon receiving the final activation signal.

Abstract: A loading system for a vehicle passenger protection device performs collision determination without using inaccurate signals included among acceleration signals input to a collision determination unit. First and second normal/abnormal judgment units judge whether output signals from a main G sensor and a satellite G sensor are normal signals or abnormal signals. If abnormal, then abnormal signal processing is performed to replace the abnormal signal value with the output value of an immediately preceding normal signal, to thereby produce an abnormal signal processing signal. Segment integration is then performed on the normal signals and the abnormal signal processing signal(s) to determine whether the vehicle has collided.

Abstract: An apparatus for detecting a rollover of a vehicle is provided. The apparatus comprises a detector, memory unit, calculator, and rollover determination unit. The detector detects a roll angular velocity of the vehicle. The memory unit memorizes a value of the roll angular velocity detected by the detector. The calculator calculates a predictive value to the roll angular velocity to be expected when a predetermined period of time elapses, by using a past value of the roll angular velocity of the vehicle, the past value being memorized in the memory unit. The rollover determination unit determines whether or not there is a possibility that the vehicle will make a rollover, on the basis of the predictive value to the roll angular velocity.

Abstract: In a rollover judging device for a vehicle, an acceleration differential value of an acceleration of a vehicle in a lateral direction is calculated. And a roll angle of the vehicle is calculated from a roll rate. Then, the acceleration differential value is compared with a predetermined value corresponding to respective roll angles, to judge a trip-type rollover of the vehicle.

Abstract: An occupant restraint system includes an occupant restraint device on a side face of an automobile interior, at least one of an acceleration sensor for detecting a lateral acceleration of the automobile and a roll sensor for detecting a roll of the automobile, and a determining unit. A detected signal is input into the determining unit. The determining unit determines a rollover or an overthrow of the automobile based on the detected signals, and calculates a head position of the occupant using the detected signals. Then, the determining unit activates the occupant restraint device, when the rollover is determined to have happened and the calculated head position is determined to be close to the occupant restraint device.

Abstract: Angular velocity in a rolling action of a vehicle is detected by an angular velocity sensor, and a difference between two angular velocities detected in a short time interval is calculated. The calculated angular velocity difference is compared with a predetermined threshold value. If the angular velocity difference is larger than the threshold value, a passenger-protecting device is activated. A rolling angle of the vehicle may be calculated by integrating the detected angular velocity, and a combination of the rolling angle and the angular velocity may be compared with a predetermined threshold. If the combination exceeds the threshold, it is determined that the vehicle is rolling over and the passenger-protecting device is activated.

Abstract: An apparatus includes a roll condition detector detecting a roll condition of a vehicle and a lateral acceleration sensor sensing a lateral acceleration of the vehicle. The apparatus also includes a trip-over determination unit determining whether an anticipated rollover of the vehicle has a pattern of trip-over in response to the lateral acceleration and the roll condition of the vehicle, and a trip-over pattern recognition unit recognizing the pattern of trip-over based on the lateral acceleration of the vehicle. The apparatus further includes a rollover determination criteria unit setting a rollover determination criterion depending on the pattern of trip-over, a rollover determination unit determining whether the vehicle will roll over based on the roll condition of the vehicle and the rollover determination criterion, and an activation unit activating occupant restraint devices of the vehicle depending on a result of the rollover determination unit which indicates the vehicle will roll over.

Abstract: To provide a packet processing method which is able to prevent data loss to transfer data fast, a communications system includes a FIFO buffer that stores received packet data and a cache memory that caches the received packet data stored in the FIFO buffer. After storing the received packet data in the FIFO buffer, a hardware interrupt request and a software interrupt request are generated under the control of MAC protocol software. The received packet data are in turn transferred from the FIFO buffer to the cache memory in response to the hardware interrupt request. After the transfer has been finished, the received packet data are transferred from the cache memory to upper protocol software in response to the software interrupt request.

Abstract: An activation device for a passenger protection apparatus is made up of a sensor for detecting a roll angular velocity of a vehicle, a unit for calculating a roll relative angle on the basis of the roll angular velocity, and a unit for making a judgment indicating a roll of the vehicle when the velocity and the angle satisfy a threshold condition. A control unit activates an air bag when making a judgment indicating a roll. A vehicle collision state is discriminated on the basis of right-hand and left-hand accelerations detected by acceleration sensors and the threshold condition for the judgment on a roll of the vehicle is switched in accordance with the collision state. This enables a trip-over type roll to be detected at an early stage for activating the passenger protection apparatus quickly.

Abstract: In a rollover judging device for a vehicle, an acceleration differential value of an acceleration of a vehicle in a lateral direction is calculated. And a roll angle of the vehicle is calculated from a roll rate. Then, the acceleration differential value is compared with a predetermined value corresponding to respective roll angles, to judge a trip-type rollover of the vehicle.

Abstract: An activation device for a passenger protection apparatus comprises a sensor for detecting a roll angular velocity, a unit for calculating a roll relative angle on the basis of the angular velocity, and a unit for making a judgment indicating a roll of the vehicle when the velocity and the angle satisfy a threshold condition. A control unit activates an air bag and a pretentioner at a roll judgment. A buckle switch detects a wearing state of a seat belt, and a window opening/closure sensor detects an open/closed state of a window. The threshold condition is set on the basis of the results of the detection of the buckle switch and the window opening/closure sensor. This enables the protection apparatus to be appropriately activated on the basis of a wearing state of the seat belt and an open/closed state of the window of the vehicle.