Systems and methods for generating power for a tractor-trailer combination, including: a drop-lift axle coupled to the bottom of the trailer, the drop-lift axle to deploy at least one wheel when a primary brake is applied and the trailer is operating at a predetermined state; at least one regenerative brake retarder coupled to the at least one wheel, the at least one regenerative brake retarder to generate energy when the at least one wheel is deployed, wherein the at least one regenerative brake retarder acts as an auxiliary brake; and an energy storage system configured to store the energy generated by the at least one regenerative brake retarder, the energy storage system to release the stored energy a main battery to power at least one component of the trailer when needed.

A regenerative braking control system and a regenerative braking control method using a paddle shift of a hybrid vehicle, include a paddle switch including a first paddle shift for a down shift and a second paddle shift for an up shift, a first controller electrically connected to the paddle switch and configured to determine a deceleration control amount of regenerative braking for stopping the vehicle as a hold operation of the first paddle shift is input, and a second controller electrically connected to the first controller and configured to control a motor torque for the regenerative braking according to the deceleration control amount determined from the first controller and to control hydraulic braking of the vehicle to be executed when reaching a stop state of the vehicle.

A speed reduction power unit system includes a main power unit operably connected to a vehicle battery and operably connected to a vehicle transmission via a driveshaft. The main power unit includes a primary motor adapted to convert kinetic energy from the transmission to stored electrical potential energy for recharging the vehicle battery. Secondary power units are operably connected to each wheel. Each secondary power unit includes a secondary motor adapted to convert energy to electrical potential energy. The secondary power unit engages to slow the vehicle and generate electrical energy when the vehicle brake is activated. Each secondary power unit is operably connected to the vehicle battery, such that each secondary unit can recharge the vehicle battery. The secondary power units can include internal batteries and may be removable and independently recharged, then reconnected to the system as needed to provide electrical energy to the primary vehicle battery.

A regenerative braking apparatus for a motor vehicle (and concomitant method and retrofit kit) comprising a two-piece rim, a power spring inside the rim, a winding apparatus transferring energy into the power spring, a speed reducer that allows for smooth accumulation of tension in the power spring, and a controlled holding brake system that allows for bypassed, autonomous, or on-demand application of the regenerative braking apparatus.

A bicycle braking system includes a server, a portable device such as a smartphone, a display unit, a control unit, a power supply unit, a rotating electrical machine, and a bicycle. The portable device includes an image display unit, a braking condition transmitting unit, and a braking condition setting unit. The control unit regeneratively brakes the bicycle using the rotating electrical machine in accordance with the braking condition set by the braking condition setting unit. The braking system enables a non-user to set braking conditions for the bicycle and to perform braking based on the conditions set by the non-user.

A force-feedback brake pedal system for cooperative braking of an electric or hybrid vehicle having jointly a regenerative braking system and a frictional braking system includes a brake pedal which is pivotally mounted around a shaft or a bearing, an electronic circuitry which is in electrical communication with the regenerative braking system and the frictional braking system of the vehicle, an actuator for providing force feedback in accordance with the regenerative breaking and friction breaking of the vehicle, the actuator is in mechanical communication with the brake pedal. The force-feedback brake pedal system further includes a compliant element arranged between the brake pedal and the actuator, and a position sensor which, during operation, measuring the deflections of the compliant element and transmitting data to the electronic circuitry.

A vehicle energy management system connectable to a vehicle and configured to control a valve arrangement to deliver a flow of pressurized air to a heat receiving structure when the vehicle is operated in a vehicle braking mode and a temperature level of the heat receiving structure is below a maximum limit of a predetermined temperature range.

A controller for a trailer is disclosed. An example trailer controller assembly includes a force transducer that measures a force between a trailer and a towing vehicle connected to the trailer indicative of a difference in speeds between the trailer and the towing vehicle, and a controller communicatively coupled to the force transducer. The controller includes a brake controller that controls brakes of the trailer based on an input signal from the force sensor.

The present disclosure provides an electric booster comprising: a motor piston configured to be moved by a motor; an operating rod configured to be moved in a direction parallel to a moving direction of the motor piston; a reaction disc configured to be pressed and moved by at least one of the motor piston and the operating rod; a master cylinder configured to generate a hydraulic pressure as the reaction disc moves; and a control unit controlling the operation of the motor, wherein the control unit receives the stroke of the brake pedal, calculates a required hydraulic braking force and a required stepping force based on the pedal stroke, and determines a required displacement of the motor piston for generating the required hydraulic braking force and the required stepping force using a contact area between the operating rod and the reaction disc.

Disclosed is an apparatus for moving a brake pedal. The apparatus for moving a brake pedal according to the disclosure includes a pedal simulator providing a reaction force according to a pedal effort of the brake pedal and having one side connected to the brake pedal through an input rod, a screw fixed to the other side of the pedal simulator and having a first screw thread formed on an outer circumferential surface thereof, an anti-rotation portion configured to prevent rotation of at least one of the pedal simulator and the screw, and an actuator configured to provide power, wherein the first screw thread is connected to the actuator to receive a rotational force, and the screw converts the rotational force into a translational motion by the anti-rotation portion, thereby generating the translational motion of the pedal simulator and the brake pedal fixed or connected to the screw.