Abstract: A control system for a vehicle (1) provided with a differential mechanism (3) that applies a torque difference to left and right wheels (5) and two electric motors (2) coupled to the differential mechanism (3), the control system including: two control units (11, 12) being connected to each other via high-speed communication means and each controlling one of the two electric motors (2); a first rotation speed sensor (26R) that detects a first rotation speed of a first electric motor (2R) of the two electric motors (2) and outputs the first rotation speed to the two control units (11, 12); a second rotation speed sensor (26L) that detects a second rotation speed of a second electric motor (2L) of the two electric motors (2) and outputs the second rotation speed to the two control units (11, 12); and a superordinate control unit (10) that calculates demanded torques of the two electric motors (2) based on vehicle information of the vehicle (1).

Abstract: The disclosed vehicle control device (10) is for controlling outputs of a left driving source and a right driving source, and includes a calculator (21), a storing unit (22), and a controller (23). The calculator (21) calculates an equivalent sum value corresponding to sum of a left target speed and a right target speed, and calculates an equivalent difference value corresponding to a difference between the left target speed and the right target speed. The storing unit (22) stores a sum model and a difference model. The sum model modes motion states of the left driving system, the right driving system, the left driving source, and the right driving source while the vehicle is running straight and is applied with the equivalent sum value to derive a sum instruction torque.

Abstract: A control device (10) includes: a first calculator (11) that calculates a first equivalent sum value corresponding to a sum of left and right requested torques and a first equivalent difference value corresponding to a difference between the left and right requested torques; a first controller (13) that outputs a first instruction torque by performing a FF control using the first equivalent sum value and the first equivalent difference value; an estimator (14) that estimates, based on the first instruction torque, an estimated sum speed corresponding to a sum of estimated speeds of left and right driving sources (2) and an estimated difference speed corresponding to a difference between the two estimated speeds; a second calculator (15) that calculates a second equivalent sum value corresponding to a sum of two actual speeds of the left and right driving sources (2) and a second equivalent difference value corresponding to a difference between the two actual speeds; a second controller (16) that outputs a sec

Abstract: A design method for output control of a left driving source and a right driving source in a vehicle. The design method includes: preparing a sum model modeling motion states while the vehicle is running straight, and a difference model modeling motion states while the vehicle is cornering; calculating an equivalent sum value corresponding to a sum of a left-axle input/output including an input parameter or an output parameter of the left driving system and a right-axle input/output including an input parameter or an output parameter of the right driving system (A1), and an equivalent difference value corresponding to a difference between the left-axle input/output and the right-axle input/output (A2); grasping motion states while the vehicle is running straight by applying the equivalent sum value to the sum model (A3); and grasping motion states by applying the equivalent difference value to the difference model (A4).

Abstract: The disclosed vehicle control device (10) controls outputs of a left driving source (2L) and a right driving source (2R) in a vehicle (1) provided with a left driving system including a left axle (4L) and a left wheel (5L) and a right driving system including a right axle (4R) and a right wheel (5R) and includes: a calculator (11) that calculates an equivalent sum value corresponding to a sum of a left requested torque and a right requested torque and an equivalent difference value corresponding to a difference between the left requested torque and the right requested torque; a sum model that models motion states of the left driving system and the right driving system while the vehicle (1) is running straight, the equivalent sum value being applied to the sum model; a difference model that models motion states of the left driving system and the right driving system while the vehicle (1) is cornering, the equivalent difference value being applied to the difference model; and a controller (12) that controls the

Abstract: The disclosed design method is one for output control of a left driving source and a right driving source in a vehicle. The design method includes: preparing a sum model modeling motion states while the vehicle is running straight, and a difference model modeling motion states while the vehicle is cornering; calculating an equivalent sum value corresponding to a sum of a left-axle input/output including an input parameter or an output parameter of the left driving system and a right-axle input/output including an input parameter or an output parameter of the right driving system (A1), and an equivalent difference value corresponding to a difference between the left-axle input/output and the right-axle input/output (A2); grasping motion states while the vehicle is running straight by applying the equivalent sum value to the sum model (A3); and grasping motion states by applying the equivalent difference value to the difference model (A4).

Abstract: A display system for a work machine includes: a display unit that displays a camera image obtained by photographing around an excavator; a display unit controller that causes the display unit to display the camera image; and a message window image generation unit that when a predetermined event related to the excavator occurs, generates a message window image indicating a content of the event, the display unit controller, when a predetermined event related to the excavator occurs, causing a message window image indicating a content of the event to be displayed in a camera image area for displaying a camera image, and causing the camera image to be displayed in a reduced manner.

Abstract: An electronic control unit (ECU) 10 includes: a delay correction amount calculation unit 120 that calculates, as a delay correction amount ?, an estimated increase or decrease in vehicle body speed during a delay time occurring when a wheel speed ?w is acquired through a wheel speed sensor and controller area network (CAN) communication, the calculation being based on one of a front-rear acceleration X of an electric vehicle 1 and an estimated vehicle body speed V; an error correction unit 130 that calculates a corrected past estimated vehicle body speed Vp?, obtained by correcting a past estimated vehicle body speed Vp, based on an error ?V between the past estimated vehicle body speed Vp and a CAN vehicle body speed Vs, the past estimated vehicle body speed being the estimated vehicle body speed V calculated earlier by the delay time, the CAN vehicle body speed being based on the wheel speed ?w acquired through CAN communication; and a vehicle body speed calculation unit 140 that calculates the current esti

Abstract: A traction control device 50 for a vehicle including a front motor and a rear motor which drive wheels and a braking device provided to each of front and rear wheels on left and right includes a hybrid control unit 20 that calculates a requested driving force of the vehicle based on a driver request and a vehicle behavior and a control units 10 and 12 that controls the motors and the braking devices based on the requested driving force. The hybrid control unit 20 includes a reference wheel speed calculating part 52 that calculates a target reference wheel speed for each of the front and rear wheels on the left and right, and a target slip rate calculating/distributing part 54 that calculates a target slip rate of the wheels which is set relative to the target reference wheel speed.

Abstract: A vehicle control device (10) that controls an electric motor (2) that drives a wheel (5) of the vehicle, the vehicle control device (10) includes: a first calculating unit (11) that calculates a first vehicle body velocity (VBreal) based on an angular velocity of the wheel (5); a second calculating unit (12) that calculates a second vehicle body velocity (VBref) based on an angular velocity of the electric motor (2) at a cycle shorter than a cycle of the first calculating unit (11); an estimating unit (13) that estimates an estimated vehicle body velocity according to a state of the vehicle (1), the estimated vehicle body velocity (VBctrl) being calculated by using the first vehicle body velocity (VBreal) and the second vehicle body velocity (VBref) in combination; and a controlling unit (16) that controls, based on the estimated vehicle body estimated by the estimating unit (13), the electric motor (2).

Abstract: A control system for a vehicle (1) provided with a differential mechanism (3) that applies a torque difference to left and right wheels (5) and two electric motors (2) coupled to the differential mechanism (3), the control system including: two control units (11, 12) being connected to each other via high-speed communication means and each controlling one of the two electric motors (2); a first rotation speed sensor (26R) that detects a first rotation speed of a first electric motor (2R) of the two electric motors (2) and outputs the first rotation speed to the two control units (11, 12); a second rotation speed sensor (26L) that detects a second rotation speed of a second electric motor (2L) of the two electric motors (2) and outputs the second rotation speed to the two control units (11, 12); and a superordinate control unit (10) that calculates demanded torques of the two electric motors (2) based on vehicle information of the vehicle (1).

Abstract: The vehicle control device (10) includes: an arithmetic unit (11) that calculates a target slip ratio (y) serving as a target value of a slip ratio (?) of the wheel (5); a limiting unit (12) that sets an upper limit value (ymax) of the target slip ratio (y), the upper limit value (ymax) being based on at least a vehicle velocity (V) of the vehicle (1), and limits the target slip ratio (y) calculated by the arithmetic unit (11) to a value equal to or less than the upper limit value (ymax); and a controlling unit (13) that controls driving torque of the vehicle (1) such that a wheel velocity that achieves the target slip ratio (y) limited by the limiting unit (12) is obtained.

Abstract: A gas barrier film includes a substrate containing polypropylene or polyethylene as a main ingredient, the substrate having a first surface and a second surface opposite the first surface; and a gas barrier layer arranged to face the first surface of the substrate. The second surface of the substrate has a wetting tension of 21 mN/m or more.

Abstract: In a drive control device for an electric vehicle that includes brake devices (30a to 30d) provided for each of left and right wheels of the vehicle, a front motor (4) and a rear motor (6) for driving and regeneratively braking the wheels of the vehicle, a vehicle motion control unit (37) for calculating a brake application demanded amount corresponding to a yaw moment application amount to be applied to the vehicle based on the traveling state of the vehicle, a brake ECU (31) for controlling the brake devices (30a to 30d) on the left and right sides independently of each other based on the brake application demanded amount to control the yaw moment of the vehicle, and a motor torque control unit (39) for controlling driving torques and regenerative braking torques of a front motor (4) and a rear motor (6), the motor torque control unit (39) executes correction for increasing the driving torque or reducing the regenerative braking torque according to the increase of the braking torques of the brake devices (3

Abstract: A driving-force controller for an electric vehicle including at least two motors that independently drive left and right wheels, includes a detector that detects driving operation by a driver, and a controller that calculates a demand torque Tr of the driver, the torque difference ?T applied to the left and right wheels during cornering, left and right torque-difference maintaining torques TLK and TRK of the motors when generating the demand torque Tr while maintaining the torque difference ?T, and controls the motors based on the torque-difference maintaining torques TLK and TRK. The controller determines the priorities of a demand torque mode that generates the demand torque Tr and a torque difference mode that generates the torque difference ?T depending on the driving operation detected by the detector.

Abstract: A driving-force controller for an electric vehicle including at least two motors that independently drive left and right wheels, includes a detector that detects driving operation by a driver, and a controller that calculates a demand torque Tr of the driver, the torque difference ?T applied to the left and right wheels during cornering, left and right torque-difference maintaining torques TLK and TRK of the motors when generating the demand torque Tr while maintaining the torque difference ?T, and controls the motors based on the torque-difference maintaining torques TLK and TRK. The controller determines the priorities of a demand torque mode that generates the demand torque Tr and a torque difference mode that generates the torque difference ?T depending on the driving operation detected by the detector.