Abstract: A MG-ECU includes, as a regeneration limiting value, a limited value set according to a state of a battery, and an unlimited value enabling generation of braking force greater than the limited value. In a state in which regenerative braking is being limited, the MG-ECU causes frictional braking force to be generated based on a difference between the unlimited value and the drive force demand of a driver. In cases in which the frictional braking force is also limited in a state of the regenerative braking, the MG-ECU switches the regeneration limiting value from the limited value to the unlimited value, and requests a motor-generator to generate regenerative braking based on the limited value.

Abstract: A brake modulator controls actuation of front and rear brakes, and includes a collision possibility determining unit, an automatic brake control unit, and a brake operation determining unit. When the collision possibility determining unit determines that there is a possibility of collision, and the brake operation determining unit determines that brake operation by a driver is present, the automatic brake control unit changes a manner of increasing braking forces of the front and rear brakes according to the brake operation by the driver.

Abstract: A braking control method and system are disclosed. According to certain embodiments, the method may include determining a target deceleration. The method may also include decelerating the vehicle by regenerative braking. The method may further include, when determining that an actual deceleration by the regenerative braking is below the target deceleration, applying friction braking in addition to the regenerative braking to achieve the target deceleration.

Abstract: A device for displaying fuel efficiency including: a plurality of sensors; an alternator; an engine control unit; a display unit configured to include at least one of an eco symbol displaying an instant amount of operation load, an eco gauge displaying average fuel efficiency, and a fuel efficiency system displaying instant fuel efficiency or average fuel efficiency; an equipment control unit configured to determine a current state of equipment, change and display the eco symbol of the display unit according to the current state of the equipment, calculate average fuel efficiency by using instant fuel efficiency and torque data calculated by the engine control unit, and display the calculated average fuel efficiency or instant fuel efficiency through the eco gauge and the fuel efficiency system of the display unit; and a memory unit configured to store the instant fuel efficiency and the average fuel efficiency.

Abstract: A brake system for a vehicle having a master brake cylinder, which provides a pressure signal, having a brake-medium reservoir connected to the master brake cylinder, and a first brake circuit, which is coupled by a first input to the master brake cylinder and by a second input to the brake-medium reservoir, and having at least one first wheel-brake cylinder, which is mounted at a first wheel, in order to exert a force corresponding to the pressure signal onto the first wheel, and having a separator valve, which is configured between the first input and the first wheel-brake cylinder, to prevent further transmission of the pressure signal upon receipt of a supplied closing signal; and having a control valve, which is configured between the first input and the first wheel-brake cylinder; in order to control an inflow of a brake medium from brake-medium reservoir to the first wheel-brake cylinder. In addition, a method for controlling a corresponding brake system is also described.

Abstract: A braking-driving force control system is provided in which erroneous vehicle speed detection may be avoided even when a frictional braking power is generated during rotation of an output shaft coupled to an electric driving motor as driving source. When only regenerative braking force is being generated as braking force while the vehicle is traveling, the braking force and the driving force are controlled based on an output shaft side vehicle speed calculated from the rotational state of an output shaft of a driving source, and when the frictional braking power is being generated while the vehicle is traveling, the braking force and the driving force will be controlled based on a wheel side vehicle speed representing the vehicle speed calculated from the rotational state of the vehicle wheel.

Abstract: A method controls regenerative braking of a motor vehicle provided with an electric or hybrid powertrain. The method includes determining that a driver is pressing neither a throttle pedal nor a brake pedal of the vehicle. The method also includes determining a correction coefficient as a function of a torque supplied by a motor of the powertrain, of a speed and an angular velocity at a wheel of the vehicle, of a gradient, of a mass of the vehicle, and of friction. Next, the method includes determining a setpoint for regenerative braking without pressure on the brake pedal as a function of the correction coefficient and of two maps of torque as a function of a rotational speed of the powertrain, for a substantially zero gradient and a vehicle mass substantially equal to a reference mass of the vehicle.

Abstract: A method for operating a braking system, having a front and rear axle, the braking system including: a brake booster having a brake input element, coupled to an actuating travel sensor for providing a signal of a braking input; a brake master cylinder coupled to the brake booster coupled to a brake medium reservoir; fluid lines, in fluidic communication with the brake master cylinder and the brake medium reservoir, and with braking devices of the wheels via a system of valves, each of the wheels being coupled to a generator generating a braking torque, the method including: generating a hydraulic free travel with the valves and controlling valves with a control unit, a hydraulic pressure build-up for decelerating a wheel speed being prevented by generating free travel during actuation of the brake input element; and generating a regenerative braking torque for decelerating the wheel speed, based on the braking input.

Abstract: A braking force control method that is applied to a vehicle in which regenerative braking force and friction braking force are applied to the front wheels. When the braking slip quantity of one of the front wheels that is supplied with regenerative braking force exceeds a reference value, with the instance being a reference time point, the friction braking force of the front wheels is controlled so as to increase while the regenerative braking force being controlled so as to be a provisional target regenerative braking force that is lower by a prescribed value than the regenerative braking force of the front wheels at the reference time point. When a decision is made that a prescribed period of time has passed since the reference time point, the regenerative braking force is gradually decreased and the friction braking force is gradually increased.

Abstract: A method for the delay-minimized detection of an auxiliary control variable for a system comprising a control system and a controller, whereby an output variable is detected at the end of the control system, whereby a disturbance variable is active in the control system, characterized in that a state variable is detected in the control system at a place before the point of action of the disturbance variable, whereby the auxiliary control variable is calculated from the state variable that has been weighted with a constant kx and from an estimation error, whereby the estimation error is calculated from a comparison between the detected output variable and the integrated auxiliary control variable.

Abstract: The present disclosure provides a clutch control method of a hybrid vehicle of the including an entering condition determining step in which a controller determines whether shifting is being performed during regenerative braking; an error calculating step in which the controller calculates a torque error by subtracting observer torque, which is clutch transfer torque calculated by a clutch torque estimator receiving transmission input torque and motor speed, from map torque, which is clutch transfer torque calculated based on a clutch transfer torque map for clutch actuator strokes learned in advance, when shifting is being performed during regenerative braking; a correcting step in which the controller corrects the clutch transfer torque map for the clutch actuator strokes using the torque error calculated in the error calculating step; and a clutch control step in which the controller controls a clutch using the map corrected in the correcting step.

Abstract: A method controls regenerative braking of a vehicle equipped with regenerative brakes and with a separate braking apparatus. The method is designed to generate a regenerative braking setpoint as a function of a braking request signal coming from a driver pedal of the vehicle, according to a first setpoint generation mode. The method includes receiving a flag signal coming from an active safety system of the vehicle, detecting value changes of the received flag signal, when the received flag signal changes value to take a value corresponding to activation of regulation by the active safety system, incrementing a counter value, and comparing the counter with a threshold. When the counter reaches the threshold, a control signal is formed to end the generation of the regenerative braking setpoint according to the first calculation mode and to impose generation of the regenerative braking setpoint according to a second calculation mode.

Abstract: Methods and systems for steering-based oscillatory braking are described herein. A method may involve making a determination, by a computing device, to reduce a speed of a vehicle. The vehicle may include a pair of wheels. The method may further involve providing instructions to turn the pair of wheels of the vehicle in an oscillatory manner, such that each wheel of the pair of wheels is turned in substantially the same direction and turning of the pair of wheels oscillates each wheel of the pair of wheels between given directions about a direction of travel of the vehicle so as to reduce the speed of the vehicle.

Abstract: A vehicle information display may include a split braking gauge for conveying information relating to braking operation and efficiency to assist drivers in maximizing energy capture during braking in vehicle with regenerative braking systems. The split braking gauge may incorporate a side-by-side or stacked configuration for conveying both regenerative braking and friction braking values. The split braking gauge may include fixed thresholds or boundaries associated with dynamic threshold values that can change based on current vehicle operating conditions.

Abstract: The brake controller includes a friction brake device, a regeneration brake device, a required braking force calculating portion, a vehicle motion control portion which distributes the required braking force to the non-regeneration braking side right/left wheels that is either one of the right/left front wheels and right/left rear wheels, a maximum braking force calculating portion which calculates the maximum braking force at each wheel and a braking force control portion-which calculates the regeneration braking force generated at the regeneration braking side right/left wheels within a range where the regeneration braking force to be generated at the regeneration braking side right/left wheels does not exceed a smaller value of the maximum braking forces of the regeneration braking side right/left wheels, based on the required braking force and the distribution of the braking force to the non-regeneration braking side right/left wheels.

Abstract: An electric brake apparatus includes an electric actuator configured to actuate a brake mechanism according to an actuation request signal, and an actuator controller configured to control an operation of the electric actuator with use of a power source mounted at a vehicle to perform control of holding and a release of braking by the brake mechanism. When a system recovers and the actuator controller detects that the control of the holding or the release has been interrupted with an uncompleted control state since system down occurred in the middle of the control of the holding or the release of the braking by the brake mechanism, the actuator controller maintains the interrupted state until a new actuation request signal is issued, and controls the operation of the electric actuator according to the content of the new actuation request signal.

Abstract: The present disclosure relates to a method for controlling an application of regenerative brake torque to a plurality of wheels of at least one of a hybrid electric vehicle or an electric vehicle, to avoid brake instability. The method may involve sensing variables such as an angle of a steering wheel of the vehicle, a speed of the vehicle, a brake pedal rate as an operator engages a brake pedal, and a wheel slip of each of the front and rear wheels. A commanded lateral acceleration may be determined representing a steady state lateral acceleration that the vehicle would reach at an actual vehicle speed and with a presently sensed steering wheel angle. The application of regenerative brake torque can then be controlled based on the sensed wheel slips relative to at least one predetermined wheel slip limit. The predetermined wheel slip limit is determined based at least in part on the determined commanded lateral acceleration.

Abstract: A method for operating a brake system for a vehicle, the brake system including a master brake cylinder coupled to an electromechanical brake booster having a booster body. The method involves: From an initial position, displacing the booster body relative to the master brake cylinder by an adjusting travel in the direction towards the master brake cylinder into an end position; from the end position, displacing the booster body relative to the master brake cylinder by the same adjusting travel in an opposite direction away from the master brake cylinder back into the initial position; during the step of displacing the booster body from the end position back into the initial position, sucking hydraulic fluid from wheel brake devices that coupled in a fluid manner with the brake system and assigned to wheels of the vehicle, for the reduction of a hydraulic fluid pressure existing in the wheel brake devices.

Abstract: A controller and control strategies minimize shift shock in a hybrid electric vehicle during a downshift during regenerative braking by maintaining the transmission input speed substantially linear when the transmission input speed is slowing. The controller and the control strategies control the regenerative braking torque during a downshift occurring during regenerative braking in such a way that the transmission input speed is maintained substantially linear when the transmission input speed is slowing during a torque phase of the downshift.

Abstract: A system and method for controlling a regenerative braking are provided. The system includes a driving information detector that is configured to detect whether a brake pedal is operated and detect shift information. In addition, a hybrid control unit is configured to fix the regenerative braking during actual shifting based on the shift information and is configured to use a required braking force when the actual shifting is not performed to calculate the regenerative braking.

Abstract: A method for determining an amount of regenerative braking includes: determining a possible amount of regenerative braking at a time of braking a vehicle; distributing a first amount of regenerative braking up to the possible amount of regenerative braking as the amount of regenerative braking; distributing a second amount of regenerative braking remaining from the possible amount of regenerative braking as an amount of hydraulic braking; and performing, first, regenerative braking by issuing a motor torque instruction according to the possible amount of regenerative braking and, second, friction braking using the amount of hydraulic braking.

Abstract: An engaging and disengaging controller for controlling the engagement and disengagement of a power transmission path by supplying a working oil of a predetermined pressure to an engaging and disengaging mechanism includes a valve for opening and closing a flow path of the working oil, and an opening/closing detection section which detects an opened or closed state of the valve. A malfunction detection apparatus for the engaging and disengaging controller includes an opening/closing control section for the valve, a time counting section which counts a predetermined time from the start of an opening/closing control, and a malfunction detection section which determines that the engaging and disengaging controller malfunctions in the case where the time counting section ends counting in such a state that the results of a detection by the opening/closing detection section do not coincide with the details of a control executed by the opening/closing control section.

Abstract: A charge depleting mode control apparatus of a plug-in hybrid vehicle includes a driving information detector, a mode determining unit, a shift-speed determining unit, a shift determining unit. The driving information detector detects driving information of a vehicle. The mode determining unit determines whether a charge depleting (CD) mode is entered by using a state of charge (SOC) of a battery provided from the driving information detector. The shift-speed determining unit determines a target shift-speed when the mode determining unit determines to enter the CD mode. The shift determining unit determines whether to change the shift-speed determined by the shift-speed determining unit. The shift-speed is determined by using transmission efficiency and motor efficiency when the plug-in hybrid vehicle drives in the CD mode, such that fuel consumption is reduced and performance is improved.

Abstract: A vehicle control device includes: an engine and a first motor generator from both of which a driving force for traveling is output to drive wheels; and an electricity storage device that storages electric power for driving the first motor generator. When a vehicle weight is in a reference state at a time of deceleration braking, the first motor generator is mainly caused, out of the first motor generator and the engine, to generate a braking force, and when the vehicle weight is greater than that in the reference state, the engine is mainly caused, out of the first motor generator and the engine, to generate the braking force. Thus, a sufficient braking force can be obtained while an input limit of the electricity storage device is prevented from being reached.

Abstract: A brake control device mounted to a vehicle that comprises a pair of driving wheels and a pair of non-driving wheels controls an upstream brake pressure generated by a master cylinder and downstream brake pressures generated by brake actuators so that, during regenerative braking, the downstream brake pressures to brake devices corresponding to the driving wheels are reduced to be lower than the upstream brake pressure, and the downstream brake pressures to brake devices corresponding to the non-driving wheels are increased to be higher than the upstream brake pressure.

Abstract: A control system is provided for controlling a braking effort of a braking system in a powered system. The powered system travels along a route. The control system includes a controller coupled to the braking system, where the controller is configured to monitor the braking effort of the braking system at a braking region along the route. The controller is further configured to control the braking effort at the braking region, such that the braking effort approaches within a predetermined range of a braking effort threshold, but does not exceed the braking effort threshold. A method is also provided for controlling a braking effort of a braking system in a powered system.

Abstract: A braking matching method for a vehicle equipped with a regenerative braking means and with an additional braking means that have different response times, involving generating a braking setpoint that is matched (see opposite CF) to said braking means, by the temporal filtering of a braking setpoint (Ce) intended for one of said braking means.

Abstract: A technique for supercharging a fuel cell is provided. In particular, a speed of an acceleration pedal is calculated and a first output order value of a fuel cell stack or a second output order value of the fuel cell stack which is smaller than the first output order value is set, in accordance with the value of the calculated speed. An amount of air flow corresponding to the set first output order value or the second output order value to be supplied to the fuel cell stack is then controlled accordingly.

Abstract: A brake device for a vehicle, that includes at least a first hydraulic brake and a second hydraulic brake which produce hydraulic brake forces, and a regenerative brake which produces a regenerative brake force, and that performs a distribution of the hydraulic brake force and the regenerative brake force with respect to a driver request brake force.

Abstract: A method of controlling a brake system for a vehicle. A foundation brake may be applied to provide a foundation brake torque. Vehicle speed data, vehicle inclination data, and foundation brake pressure data may be obtained. A foundation brake torque profile may be determined that includes a set of vehicle speed values, a set of foundation brake pressure values, and a set of foundation brake torque values.

Abstract: In a method for adjusting the clamping force exerted by a parking brake, which force is applied by an electric-motor braking apparatus that encompasses an electric braking motor and power-supply and control units, and as necessary by an additional braking apparatus, an equivalent resistance is ascertained from a measurement of current and voltage and is used as the basis for calculating the maximum generatable clamping force.

Abstract: A method for protecting an electrical energy distribution box (BODP) equipped with a supply current distribution bar (BDP) intended to be connected between an electrical energy source (G) and loads (Q1, Q2, Q3 . . . Qn) to be supplied, comprising detecting an electrical fault in the distribution box (BODP). The detection step comprises: —measuring a supply current drawn on said supply current distribution bar (BDP) by the electrical energy source (G), —measuring load currents distributed from the distribution bar to each of the loads (Q1, Q2, Q3 . . . Qn), and continuous processing of said measurements of current in the course of which the supply current and the load currents are compared with load current threshold values so as to detect overloads.

Abstract: Regenerative torque is limited for a hybrid electric powertrain of a vehicle. A transmission controller determined torque limit is validated by a vehicle controller. The vehicle controller validates the torque limit using, individually or in combination, an actual status of a torque converter clutch, a detected status of the torque converter clutch, or a speed of the vehicle.

Abstract: A method and system for controlling regenerative braking of a hybrid electric vehicle. The regenerative braking system includes a driver-operable brake pedal, a hydraulically actuated friction brake for at least one front wheel, an anti-lock braking system hydraulically connected to the hydraulically actuated friction brake, and an electrically actuated friction brake for at least one rear wheel. The regenerative braking system further includes an electric machine connected to the at least one rear wheel and capable of performing regenerative braking of the at least one rear wheel, and an electronic control unit that controls the stability of the hybrid electric vehicle. The regenerative braking system is configured to provide increased braking torque of the front hydraulically actuated friction brake by means of the anti-lock braking system for compensating a decreased or limited rear wheel braking torque initiated by the electronic control unit.

Abstract: One exemplary aspect of this disclosure relates to a method including the step of controlling a level of regenerative torque to at least partially meet a braking request. The level of regenerative torque is gradually introduced at a controlled rate.

Abstract: A controller for a hybrid vehicle includes a maximum regeneration torque calculator which calculates a motor generator maximum regeneration torque necessary for supplying power to an electricity storer and calculates each of an engine operation maximum regeneration torque for operating an engine changing in accordance with a vehicle speed and an engine stop maximum regeneration torque and a change value calculator which sets an engine stop prohibition vehicle speed in which an engine is not stopped when a vehicle speed is equal to or faster than a predetermined vehicle speed and calculates a maximum regeneration torque when stopping the engine at the engine stop prohibition vehicle speed as a maximum regeneration torque change threshold value from the engine stop regeneration torque of the maximum regeneration torque calculator.

Abstract: A control system for a vehicle comprises a control unit configured to be electrically coupled to a drive system of the vehicle. The drive system includes at least one traction motor for providing motive power to the vehicle. The control unit is configured to control a torque output of the traction motor to hold zero speed or near zero speed of the vehicle on a grade without knowing information, in at least one mode of operation, about the grade and/or a load of the vehicle, and without a service brake of the vehicle being activated.

Abstract: A controlling device for a brake system, including a generator control device, by which a setpoint generator braking torque may be set regarding an actuating intensity of a manipulation of a brake actuating element; and a valve control device, by which, if the stipulated setpoint generator braking torque is equal to zero, at least one accumulator opening valve of a brake circuit may be forced into a first valve position in such a manner, that displacement of brake fluid from a master brake cylinder into at least one wheel brake caliper of the brake circuit may be effected and displacement of brake fluid from the master brake cylinder into an accumulator of the brake circuit is prevented. If the stipulated setpoint generator braking torque is not equal to zero, the at least one accumulator opening valve may be forced into a second valve position.

Abstract: Provided is a method of controlling an electric vehicle capable of preferably performing a regenerative control when a plurality of forward driving ranges are shifted to each other. During travelling on a downhill road, an electric vehicle executes a downhill regenerative control for adjusting the regenerative amount of an electric motor so that acceleration obtained when an accelerator is closed becomes a downhill acceleration according to a road surface slope. The downhill acceleration obtained when a second forward driving range is selected, in which the deceleration of the electric vehicle becomes larger than that in a first forward driving range, is smaller over the entire range of the set road surface slope than the downhill acceleration obtained when the first forward driving range is selected.

Abstract: Vehicular motion control system comprising controller that independently controls driving force and/or braking force of each of four wheels and a turning direction sensor that senses a turning direction, and with an acceleration/deceleration command generator that generates an acceleration/deceleration command based upon a sensed steering angle and sensed vehicle speed and a driving force/braking force distributor that determines the distribution of driving force or driving torque and/or braking force or braking torque of each wheel, and driving force/braking force distributor determines based upon the acceleration/deceleration command and the turning direction so that more driving force or more driving torque and/or more braking force or more braking torque are/is distributed to the inside front wheel in turning than the outside front wheel in turning and more driving force or more driving torque and/or more braking force or more braking torque are/is distributed to the outside rear wheel.

Abstract: A method in which open- or closed-loop control of a motor vehicle brake system is carried out having friction brakes on the wheels of at least one axle, wherein the brake pressure generating means for the wheels of at least one axle are in a direct operative connection to the brake pedal, and at least one electrical machine is in an operative connection to at least one axle which can be used by applying an electrically regenerative braking torque for converting kinetic energy into electrical energy. In order to raise the efficiency level of the recuperation, the regenerative deceleration is increased even in the case of an unchanged brake pedal position and/or brake pedal force, and a motor vehicle brake system which is open-loop or closed-loop controlled.

Abstract: A transmission system for a four wheel drive hybrid electric vehicle includes: an input shaft selectively connected to a front wheel transmission housing while being connected to an output shaft of an engine; a first motor/generator having disposed in the front wheel transmission housing; a second motor/generator having a function of the motor and the generator and connected to a rear wheel output gear disposed in a rear wheel transmission housing; a planetary gear set on the input shaft and including three rotating elements, in which among three rotating elements, a first rotating element is directly connected to the first motor/generator and selectively connected to the input shaft, a second rotating element is directly connected to the input shaft, and a third rotating element is selectively connected to a front wheel output gear; and a connection unit disposed at a selective connection part.

Abstract: A brake system includes: (a) a first brake device including a first actuator and a first brake that utilizes an output of the first actuator; (b) a second brake device including a second actuator and a second brake that utilizes an output of the second actuator; (c) a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is returned to a power source device; and (d) an actuator control device configured to reduce a total consumed electric energy, by controlling the first actuator and/or the second actuator in a manner that maintains a state in which a required braking force is satisfied by a braking force of the first brake and/or a braking force of the second brake, such that the total consumed electric energy is made smaller when a regenerative electric energy is small, than when the regenerative electric energy is large.

Abstract: Provided is a method of controlling an electric vehicle capable of preferably performing a regenerative control when a plurality of forward driving ranges are shifted to each other. During travelling on a downhill road, the vehicle executes a downhill regenerative control for adjusting the regenerative amount of an electric motor so that acceleration obtained when an accelerator is closed becomes a downhill acceleration according to a road surface slope. The vehicle also executes an acceleration increase control in which the downhill acceleration obtained when the forward driving ranges are shifted from a second forward driving range to a first forward driving range during travelling on the downhill road is at least temporarily set to an acceleration exceeding the downhill acceleration obtained on the assumption that the vehicle continuously travels on the same road surface slope as that of the currently travelling downhill road in the first forward driving range.

Abstract: An antiskid apparatus for a hybrid vehicle includes a generator control section that adjusts a deceleration torque of a driving wheel by controlling a power generator to change from an operation of decreasing a generation amount of the power generator to an operation of assisted driving of a crankshaft when an engine rotation speed is higher than a predetermined rotation speed during rapid deceleration in which a vehicle deceleration speed is at a predetermined value or more or during deceleration associated with shift-down through a transmission.

Abstract: An auxiliary braking device for a vehicle includes an accelerator pedal operation amount detection unit, a brake pedal operation amount detection unit, a wheel speed detection unit, and a wheel speed difference calculation unit. The wheel speed difference calculation unit calculates a wheel speed difference between the wheel speeds of a front wheel and a rear wheel based on a signal of the wheel speed output from the wheel speed detection unit, and outputs a signal of the calculation result. In addition, the braking assistance unit assists in braking the vehicle in a case where the wheel speed difference obtained by the wheel speed difference calculation unit is greater than or equal to a predetermined value.

Abstract: An apparatus for controlling transmission cut-off of heavy construction equipment according to the present disclosure includes: a displacement sensor which detects a boom height; a vehicle control unit (VCU) to which a detected signal of the displacement sensor is input; a transmission control unit (TCU) which is connected with the vehicle control unit and controls a transmission clutch cut-off function; a driving control proportion valve block (transmission valve assembly) which is connected with the transmission control unit and performs a driving control; and a brake press sensor which is connected with the transmission control unit and detects a brake pedal pressure.

Abstract: A method/controller for operating a vehicle regenerative braking system by operating in a first braking mode, in which a generator braking torque of a generator is not zero and is equal to a first regenerative portion predefined for the first mode, and controlling the system out of the first mode into a second braking mode having a second regenerative portion, which is smaller than the first portion, so that brake fluid is pumped out of a storage volume of the system into at least one wheel brake cylinder and/or at least one brake circuit of the system via at least one brake fluid delivery mechanism; by activating the delivery mechanism via a setpoint delivery output variable, which is established/predefined for a setpoint brake pressure having a setpoint pressure rise which increases over time, so that an actual brake pressure having an actual pressure rise increase over time is built up.

Abstract: An electric driving type utility vehicle having a regenerative brake force distribution control function, and a regenerative brake force distribution control method thereof are provided. The utility vehicle includes: a controller for controlling an output and a recovery of a motor; recovery sensing means for sensing a recovery braking state when the motor is driven; a power measurement unit for measuring the amount of recovery power generated in the recovery braking state; and a power switching unit for automatically switching a drive mode from a two-wheel drive mode to a four-wheel drive mode or vice versa according to the load condition. The present invention can switch the present mode to the four-wheel drive mode by operating the power switching unit according to the control of the controller when sensing the recovery brake through the recovery sensing means in the driving state.

Abstract: In a vehicle brake device, when a brake pedal is depressed normally, high regeneration efficiency and high fuel efficiency can be achieved by positively utilizing the regenerative braking force, and early applying of basic hydraulic braking force can be achieved when the brake pedal is suddenly depressed. The vehicle brake device includes an operation force transmitting mechanism on a connecting member between the brake pedal and the master cylinder piston and having first and second rods and a spring member biasing the first and second rods in a direction separating both rods from each other. The operation force transmitting mechanism includes an inner space between both rods and a communication passage allowing communication of the inner space with the exterior. The communication passage restricts the outflow of fluid in the inner space upon an emergency brake pedal depression and allows the outflow thereof upon non-emergency brake pedal depression.