289results about "Energy absorbing brakes" patented technology

An aircraft braking system includes a brake disk stack (22) that has at least one brake rotor (26) rotatable with an aircraft wheel (16) and at least one brake stator (24), at least one actuator (36) movable in response to a braking command to compress the brake disk stack (22) and slow the wheel (16), at least one actuator motor (32) operably connected to the at least one actuator (36) for moving the at least one actuator (36), a generator (40, 82, 100) having a generator rotor (42) and a generator stator (44), the generator (40, 82, 100) being operably connectable to the aircraft wheel (16) such that said generator rotor (42) rotates when the wheel (16) rotates, and a controller (50) electrically connected to the generator (40, 82, 100) and the at least one actuator motor (32). Also a method of generating electrical power from an aircraft wheel (16).

A vehicle regenerative braking apparatus of simple structure is provided, which prevents adverse effects on a battery while handling excess power appropriately. In a vehicle regenerative braking, when excess power which exceeds a preferable charge amount of a battery has been generated as a result of regeneration, the excess power is consumed by increased power consumption of a plurality of electrical loads selected from among several electrical loads.

A brake control apparatus for a vehicle provided with a regenerative braking device, the brake control apparatus includes: a first brake circuit connecting a master cylinder configured to generate a brake hydraulic pressure by a brake operation of a driver, and a wheel cylinder to which the brake hydraulic pressure is applied; a booster configured to increase a pressure of a brake fluid within the master cylinder, and to transmit the pressurized brake fluid to the wheel cylinder through a second brake circuit connected with the first brake circuit; a third brake circuit bifurcated from the first brake circuit, and connected with the booster; a reservoir provided on the third brake circuit; and a recirculating device configured to recirculate the brake fluid stored in the reservoir, to the first brake circuit's side.

The invention discloses an electric automobile brake energy regeneration transmission device with an elastic rubber belt energy accumulator and aims at providing an electric automobile brake energy regeneration transmission device which is high in energy conversion efficiency, large in energy density, light in weight and simple in structure. The electric automobile brake energy regeneration transmission device comprises the elastic rubber belt energy accumulator and a gear transmission case. The power connecting end of the elastic rubber belt energy accumulator is connected with the power connecting end of the gear transmission case, and two ends of a first shaft of the gear transmission case are respectively connected to the output end of a speed changer and the power input end of a main speed reducer. The electric automobile brake energy regeneration transmission device is used for converting kinetic energy in the electric automobile braking process into elastic potential energy to be stored in the elastic rubber belt energy accumulator, converts the elastic potential energy stored in the elastic rubber belt energy accumulator into electric automobile kinetic energy in the electric automobile starting process, achieves braking energy regeneration of an electric automobile and achieves the purposes of reducing electric quantity consumption of the electric automobile and increasing a driving range of the electric automobile.

A braking control system and a method for an eco-friendly vehicle are provided to resolve discrepancy in braking force occurring during switching between hydraulic braking and regenerative braking. The system includes a deceleration determiner that determines target and actual decelerations of the vehicle based on collected information when braking and a torque calculator that calculates target and actual deceleration torques from the determined target and actual decelerations of the vehicle using vehicle equivalent inertia information. An error calculator calculates a torque error and a torque corrector corrects a pre-correction target regenerative braking torque by the calculated torque error and calculates a post-correction target regenerative braking torque. A motor controller adjusts a regenerative braking torque of a motor according to the calculated post-correction target regenerative braking torque.

A regeneration and brake management system includes a prime mover (22, 26), an energy storage device (38A, 38B) associated with the prime mover (22, 26), and a regenerative braking system (40) including a controller (32, 34, 35, 36) and at least one friction brake (42, 152, 154, 156, 158), wherein the regenerative braking system (40) is configured to at least partially disable the at least one friction brake (42, 152, 154, 156, 158) during regenerative braking.

The invention relates to the technical field of vehicle brake, in particular to an automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism. The mechanism comprises a brake executing part and a regenerative motor part. The brake executing part comprises a stepping motor, a planetary gear mechanism, a lead screw and nut mechanism, a brake caliper body and the like. The regenerative motor part comprises an electromagnetic clutch and a regenerative motor. The electromagnetic clutch and the regenerative motor are arranged in the axial direction of the brake disc. When an automobile is braked, the electromagnetic clutch is preferentially controlled to be engaged, the brake disc drives the regenerative motor to rotate, automobile brake energy is converted into electric energy, and brake torque is provided. When the brake torque provided by the regenerative motor is not enough, the stepping motor is controlled to rotate, and a friction block is pushed by the planetary gear mechanism and the lead screw and nut mechanism to the brake disc to implement friction brake. The automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism has the advantages of being compact in structure, convenient to arrange, good in dynamic property, easy to integrate and control and the like, and recycled brake energy can be directly utilized for driving the brake executing mechanism to act.

Appropriate collision avoidance support control is enabled in a vehicle configured to carry out regeneration enhancement control. A predictive deceleration support control unit is configured to set a position at which the vehicle is predicted to finish deceleration as a target deceleration end position, and guide a driver to release an accelerator pedal so that the deceleration of the vehicle is finished at the target deceleration end position, to thereby carry out regeneration enhancement control under a state in which the accelerator pedal is released so as to generate a larger deceleration than in a normal state. The predictive deceleration support control unit is configured to read a collision avoidance support control flag from a collision avoidance support ECU, and stop the regeneration enhancement control when the collision avoidance support control is being carried out.

The invention provides a friction power generation device based on a friction brake and the friction brake. The friction type brake comprises a first friction assembly and a second friction assembly which are oppositely arranged, when the first friction assembly generates contact friction relative to the second friction assembly, friction braking force is generated, and charges are generated; thefriction power generation device comprises a first induction electrode, a second induction electrode and a charge acquisition circuit, wherein the first induction electrode and the second induction electrode are arranged in the first friction assembly, when the first friction assembly generates contact friction relative to the second friction assembly, first induction charges are generated on thefirst induction electrode, and second induction charges are generated on the second induction electrode; and the charge acquisition circuit is connected with the first induction electrode and the second induction electrode and stores charges acquired from the first induction electrode and the second induction electrode. The friction power generation device is simple in structure, high in reliability, stable in circuit and high in capacity recovery efficiency.

A fuel cell vehicle air-conditioning apparatus includes: a cooling system that adjusts a temperature of a fuel cell; a waste heat collection unit that collects at least a part of waste heat from the fuel cell and uses the collected waste heat to heat a cabin interior of the fuel cell vehicle; and a heat creation unit that creates heat for heating the fuel cell vehicle. The fuel cell vehicle air-conditioning apparatus calculates a fuel consumption amount required for the fuel cell to generate a total power generation amount, which is a sum of a heating power generation amount and a travel power generation amount, calculates an optimum temperature, which is a temperature of the fuel cell at which the fuel consumption amount reaches a minimum, and controls the cooling system such that the temperature of the fuel cell reaches the optimum temperature.

The in-wheel motor for installation inside a wheel disk of a wheel includes: a cylindrical coil body; a coil body support member fixed to a shaft; an outer yoke that is disposed on an outer circumferential side of the coil body, and is fixed to a wheel disk; a cylindrical inner yoke that is disposed on an inner circumferential side of the coil body, and is rotatable around the shaft; and a magnet that is fixed on one of an inner circumferential face of the outer yoke and an outer circumferential face of the inner yoke, the magnet disposed to face a circumferential face of the coil body.

A method for calculating a regenerative braking amount of a hybrid electric vehicle includes calculating a first possible available charging power of a motor when regenerative braking of the hybrid electric vehicle is required; calculating a second possible charging power of the motor by using the first possible charging power of the motor; converting the second possible charging power of the motor to a torque of a wheel axle; calculating an available amount of regenerative braking by reflecting a coasting torque on the torque of the wheel axle; generating a motor torque command based on the available amount of regenerative braking; and calculating a final regenerative braking amount by monitoring a real motor torque according to the motor torque command and correcting an error.

A brake assembly for a vehicle comprising a wheel comprising a hollow section and a rim, the rim comprising a first portion comprising an electrically conductive material and a second portion adjacent to the first portion comprising a plurality of a permanent magnets and a stator comprising at least one electromagnetic coil arranged to be located within the hollow section of the wheel, wherein the stator is moveable between a first position in which the at least one electromagnetic coil is inductively coupled to the first portion of the rim when the wheel is rotating relative to the stator, and a second position in which the at least one electromagnetic coil is inductively coupled to the second portion of the rim.

The invention provides a braking energy recycling method used for a light electric vehicle. The braking energy recycling method comprises the steps that the driving state parameters of the light electric vehicle are detected; and when the light electric vehicle is braked, different energy recycling strategies are executed according to the driving states of the light electric vehicle. The invention also discloses an energy recycling system (200). The energy recycling system (200) comprises an anti-lock controller (212) and an electronic control device (101') of a driving system. The anti-lock controller (212) sends the vehicle driving state parameters to the electronic control device (101'), and the electronic control device (101') controls the energy recycling system (200) to conduct braking energy recycling. The invention further discloses an electronic control device body (101). According to the braking energy recycling method, the energy recycling system (200) and the electronic control device body (101), the different energy recycling strategies can be set under the different driving states in the braking process of the light electric vehicle especially after an anti-lock system intervenes the control, so that most effective braking energy recycling is achieved in the braking process of the light electric vehicle, and meanwhile, the braking performance of the light electric vehicle is combined.

Provided are an electronic brake system and a method of controlling the same. The electronic brake system includes a pedal input unit configured to receive a pedal force according to a driver's braking intention, an estimating unit configured to estimate a temperature and a friction coefficient of a brake disk pad, and a control unit configured to correct a braking target pressure according to the driver's braking intention on the basis of the estimated temperature and friction coefficient of the brake disk pad.

An integrated hybrid energy recovery and storage system for recovering and storing energy from multiple energy sources is disclosed. The system includes an accumulator unit having a high pressure accumulator and a low pressure accumulator. At least one piston is mounted for reciprocation in the high pressure accumulator. The accumulator unit is configured to receive, store, and transfer energy from the hydraulic fluid to the energy storage media. The system further includes two or more rotational directional control valves, in which at least one rotational directional control valve is positioned on each side of the accumulator unit. Each rotational directional control valve includes multiple ports. The system also includes two or more variable displacement hydraulic rotational units. At least one variable displacement hydraulic rotational unit is positioned adjacent each of the rotational directional control valves.

A high acceleration time shift control apparatus and method for a vehicle is provided. The high acceleration time shift control apparatus includes a transmission which achieves plural shift speeds whose gear ratios are different from each other; and a high acceleration time upshifting control device which changes a shift speed of the transmission to a higher speed based on a predetermined determination rotational speed such that an input rotational speed of the transmission substantially reaches a target maximum rotational speed when a request for high acceleration is made by a driver. The high acceleration time upshifting control device outputs an upshift command for performing an upshift when the determination rotational speed reaches a predetermined shift determination speed; calculates an actual ineffective time until shifting is actually started and the input rotational speed starts decreasing after the upshift command is output; computes a virtual maximum rotational speed, that is a maximum rotational speed when the input rotational speed changes at a reference rotational speed change rate, based on the input rotational speed when the upshift command is output, the ineffective time and the predetermined reference rotational speed change rate; and changes the shift determination speed such that the virtual maximum rotational speed comes close to the target maximum rotational speed and then performs learning.

A hybrid vehicle and a braking method thereof are provided. The braking method includes determining a current braking situation based on a brake depth and calculating an amount of braking demanded by a driver corresponding to the brake depth when the current braking situation is a general braking situation. A regenerative braking command is generated to execute regenerative braking and a friction braking command to execute friction braking based on the amount of braking demanded by the driver.