Abstract: This braking control device comprises a differential mechanism, a first electric motor that generates assisting force in a braking operation member, a second electric motor that adjusts output rod shift of the differential mechanism, and a controller that controls the first and second electric motors. In the controller, the first electric motor is controlled on the basis of an assistance map in which the assisting force is calculated, and the second electric motor is controlled on the basis of a displacement map in which the output rod shift is calculated. When the displacement map is changed, the assistance map is corrected as well.

Abstract: A friction material containing a fiber base material, a binder, an organic filler, and an inorganic filler, wherein the copper content in the friction material in terms of elemental copper is 0.5% by weight or less relative to the whole friction material, and a particulate or fibrous aluminum alloy and zinc oxide are contained as the inorganic filler.

Abstract: A friction material according to an embodiment is a friction material including: copper in an amount of 0.5 wt % or less; an inorganic material having a cleavage property in an amount of 10 wt % to 20 wt %; a first abrasive material having a Mohs hardness of 6.5 or more and less than 7 and a second abrasive material having a Mohs hardness of 7 or more and 8 or less in an amount of 0.2 wt % to 3 wt %.

Abstract: A brake control device adjusts a hydraulic pressure in a wheel cylinder in response to an operation amount of a brake operation member, and includes “a pressure adjustment unit that includes an electric pump and a pressure adjustment valve and adjusts hydraulic pressure in a pressure adjustment fluid path between the electric pump and the pressure adjustment valve”, and “a controller that controls the electric pump and the pressure adjustment valve”. The controller calculates an operation speed equivalent amount based on the operation amount, calculates a target rotation speed based on the operation speed equivalent amount, and controls the electric pump such that an actual rotation speed of the electric pump approaches the target rotation speed.

Abstract: A housing of brake device includes a first oil path, a second oil path that is adjacent to the first oil path in a first direction along an axial direction of the first oil path and has a larger cross-section orthogonal to the axial direction than the first oil path, a third oil path connected to the first oil path, and a fourth oil path connected to the second oil path. A throttle member of the brake device is anchored to the housing by being press-fitted into the first oil path. The third oil path connects the fourth oil path through the throttle. When the throttle member moves in the first direction by releasing the press-fitting, the third oil path connects the fourth oil path through a gap between an inner circumferential surface forming the second oil path and an outer circumferential surface of the throttle member.

Abstract: A braking control device includes a first control unit configured to execute first control for reducing a target braking force, which is either a front-wheel braking force to be applied to front wheels of a vehicle or a rear-wheel braking force to be applied to rear wheels during increasing of deceleration of the vehicle, in a case that a behavior of the vehicle is unstable as the target braking force is increased; and a second control unit configured to execute second control for reducing a rate of increase in the target braking force and increasing a rate of increase in the front-wheel braking force or the rear-wheel braking force, which is not the target braking force, prior to execution of the first control.

Abstract: In a piston pump, for example, a piston sub assembly includes a columnar plunger that lies along an axial direction, a cap that is fixed with the plunger to cover an adjacent region between a first end surface at one end in the axial direction of the plunger and the first end surface at a first outer circumferential surface of the plunger, and provided with an intake passage extending from an inlet on an outer side of the first outer circumferential surface to an outlet on an outer side of the first end surface outside the plunger, and a first valve seat of a first intake check valve located at the outlet, and a seal member that is a member different from the cap and that prevents leakage of hydraulic fluid from the first chamber through a gap between the first cylinder and the piston sub assembly.

Abstract: A braking control device includes an actuator, a controller, a steering angle sensor, and a yaw rate sensor. The controller calculates a reference turning amount, an actual turning amount, an understeer index, sets to a non-adjustment region in which the increase slope is not decreased when the understeer index is smaller than or equal to a first threshold value, sets to an adjustment region in which the increase slope is decreased when the understeer index is greater than or equal to a second threshold value greater than the first threshold value, and sets to a transition region in which the increase slope is decreased when the understeer index is transitioned from the non-adjustment region and the increase slope is not decreased when the understeer index is transitioned from the adjustment region when the understeer index is greater than the first threshold value and smaller than the second threshold value.

Abstract: A brake control device according to an embodiment executes, for an electric braking wheel of either the front wheel and the rear wheel, a brake hold control for driving an electric braking device to move a propulsion shaft toward the braked member to be braked and bring it into contact with a piston, calculating a target braking force for maintaining the stationary state of the vehicle, subtracting first braking force from the target braking force to calculate a required hydraulic braking force applied to the non-electric braking wheel different from the electric braking wheel, and controlling a differential pressure control valve connected to the non-electric braking wheel of the hydraulic braking device so that the required hydraulic braking force is applied to the non-electric braking wheel.

Abstract: A control device includes: an acquisition unit configured to acquire, from a driving assist system, a requested acceleration and ending information indicating an end of a deceleration control; and a control unit configured to control a powertrain and a brake based on the requested acceleration, and perform a prescribed process of stabilizing a driving force and a braking force that are generated in an ending process of the deceleration control based on the requested acceleration when the acquisition unit acquires the ending information.

Abstract: A braking control device comprises: an operational displacement sensor detecting operational displacement of a braking member; a first hydraulic pressure unit that reads operational displacement as a first displacement processing value via a first displacement signal line and adjusts braking hydraulic pressure based on the first displacement processing value; a second hydraulic pressure unit that reads operational displacement as a second displacement processing value via a second displacement signal line and adjusts braking hydraulic pressure based on the second displacement processing value; and a communication bus transmitting signals between the first and second hydraulic pressure units. The first hydraulic pressure unit acquires the second displacement processing value via the communication bus and determines suitability/unsuitability of the first displacement processing value.

Abstract: A friction material which comprises a fibrous base, a binder, a lubricating material, an organic filler, and an inorganic filler, the friction material having a copper element content of 0.5 wt % or less with respect to the whole friction material, wherein the lubricating material comprises graphite having an average particle diameter of 10.0 ?m or smaller and the inorganic filler includes barium sulfate, which comprises small-diameter barium sulfate having an average particle diameter of 1.5 ?m or smaller and a purity of 95.0% or higher.

Abstract: A control device is applied to a vehicle that has a braking device configured to be able to adjust the braking force applied to the vehicle. The control device has a stopping braking force imparting unit that controls the braking device in order to apply a stopping braking force to the vehicle, as a minimum value of the braking force required to keep the vehicle stopped. The control device also has a deviation quantity deriving unit that derives a deviation quantity between a state quantity of the vehicle obtained when the stopping braking force is applied to the vehicle by the stopping braking force imparting unit and an ideal value of the state quantity of the vehicle. The control device also has a stopping braking force updating unit that updates the stopping braking force on the basis of the deviation quantity derived by the deviation quantity deriving unit.

Abstract: A brake control device includes a first braking unit and a second braking unit for applying braking force to wheels of a vehicle. The second braking unit generates auxiliary braking force when actual braking force generated by the first braking unit is short by a predetermined amount. This brake control device includes a determination unit that determines whether a delay correlation value correlated with response delay of the actual braking force is within an allowable range when the auxiliary braking force is generated, and a control unit that executes auxiliary reduction control for reducing the auxiliary braking force when the determination unit determines that the delay correlation value is within the allowable range.

Abstract: A braking control device drives an electric motor based on a command pressing force corresponding to the required wheel braking force, and presses a friction member against a rotation member fixed to the wheel to generate a wheel braking force. The braking control device includes: a sensor for detecting wheel speed; a sensor for detecting the actual pressing force applied by the friction member; and a controller for calculating the target pressing force based on the command pressing force, and controlling the motor so that the target and actual pressing forces match. The controller calculates wheel slip state quantity based on the wheel speed, and executes, based on the slip state quantity, slip suppression control for reducing the degree of wheel slippage. Based on the actual pressing force at the start of the slip suppression control, the controller reduces the command pressing force and calculates the target pressing force.

Abstract: A braking control device for a vehicle includes a malfunction detector configured to detect a malfunction of a first stroke sensor or a second stroke sensor, a memory configured to store a first stroke and a second stroke, a stroke calculator for first calculation configured to calculate, from the first stroke and the second stroke, an average value for calculating a target deceleration before a malfunction is detected by the malfunction detector, a stroke calculator for second calculation configured to calculate, from the average value and the second stroke (first stroke), an additional value for calculating the target deceleration after the malfunction is detected, and a target deceleration setting circuit configured to set the target deceleration from the average value or the additional value.

Abstract: This vehicle brake device comprises: a simultaneous driving determination section which determines whether it is necessary to simultaneously drive an upstream-side motor and a downstream-side motor; and a PWM control section which, when the determination result by the simultaneous driving determination section is in the affirmative, changes the duty ratio of the PWM signal to be output to the upstream-side motor so as to be smaller than when the determination result by the simultaneous driving determination section is in the negative, and uses PWM control to drive the upstream-side motor.

Abstract: A brake control device is applied to a brake device that controls a front-wheel braking force and a rear-wheel braking force. The brake control device includes a ratio calculation circuit that calculates a target front and rear braking force distribution ratio based on a target pitch angle, and a brake control circuit that performs a stability control by operating the brake device based on the target front and rear braking force distribution ratio during braking.

Abstract: A brake control device for controlling an electric parking brake may include: a piston capable of pressing a brake pad in accordance with the hydraulic pressure in a cylinder; a linearly moving member that adjusts, by reciprocating in the cylinder, the pressing force applied to the brake pad by the piston; and an actuator that moves the linearly moving member by operating based on a target pressing force, which is a target value of the pressing force corresponding to an output value obtained from a sensor that detects information correlating with the hydraulic pressure. The brake control device is provided with: an abnormality detection unit that detects an abnormality of the sensor; and an actuator control unit that, if an abnormality is detected, controls the operation level of the actuator based on an output value obtained prior to the detection of the abnormality.

Abstract: A vehicle braking control device is capable of further raising the speed at which vehicle vehicle-body deceleration increases when automatic braking processing implementation begins. Provided as a braking control device is a control device comprising: an acquisition unit that acquires an indicator; and a braking control unit that starts the implementation of automatic braking processing if a determination is made, on the basis of the indicator, that an automatic braking condition has been established. In the automatic braking process, the braking control unit restricts the supply of brake fluid to wheel cylinders corresponding to the rear wheels, and supplies brake fluid to wheel cylinders corresponding to the front wheels to increase the pressure of the wheel cylinders, thereby increasing the braking power for the front wheels and also giving the rear wheels braking power corresponding to the driving amount of a motor for parking.