Patent classifications
B60T1/12
Hydraulic system and work machine
A hydraulic system includes a motor. A brake is to be actuated by an operation fluid to brake the motor when a hydraulic pressure is relieved and to release the braking when the hydraulic pressure is applied. A switch valve is to be switched to a first position and to a second position, the first position being provided for relieving the hydraulic pressure from the brake, the second position being provided for applying the hydraulic pressure to the brake. A first fluid tube is to connect the switch valve and the brake. A second fluid tube is connected to the first fluid tube at a connecting portion and communicated with a tank A first throttle is disposed on the second fluid tube. A second throttle is disposed on the first fluid tube and on an upstream side between the connecting portion and the switch valve.
Hydraulic system and work machine
A hydraulic system includes a motor. A brake is to be actuated by an operation fluid to brake the motor when a hydraulic pressure is relieved and to release the braking when the hydraulic pressure is applied. A switch valve is to be switched to a first position and to a second position, the first position being provided for relieving the hydraulic pressure from the brake, the second position being provided for applying the hydraulic pressure to the brake. A first fluid tube is to connect the switch valve and the brake. A second fluid tube is connected to the first fluid tube at a connecting portion and communicated with a tank A first throttle is disposed on the second fluid tube. A second throttle is disposed on the first fluid tube and on an upstream side between the connecting portion and the switch valve.
Vehicle stop control device
The vehicle stop control device includes a normal-state turning control unit to output, to turning devices, a turning amount command value defined by a steering amount signal inputted from steering input device to input steering angles of wheels, and a stopped-state turning control unit to detect a vehicle speed based on a rotation angle signal outputted from a rotation angle sensor, and to, when the detected vehicle speed is less than or equal to a threshold and an accelerator input value is less than or equal to a threshold, perform hill hold of a vehicle capable of independently turning all wheels with the turning device 4 of one or more of the wheels turning the corresponding wheel toward a toe-in or toe-out side by an amount greater than the turning amount command value from the normal-state turning control unit.
Vehicle stop control device
The vehicle stop control device includes a normal-state turning control unit to output, to turning devices, a turning amount command value defined by a steering amount signal inputted from steering input device to input steering angles of wheels, and a stopped-state turning control unit to detect a vehicle speed based on a rotation angle signal outputted from a rotation angle sensor, and to, when the detected vehicle speed is less than or equal to a threshold and an accelerator input value is less than or equal to a threshold, perform hill hold of a vehicle capable of independently turning all wheels with the turning device 4 of one or more of the wheels turning the corresponding wheel toward a toe-in or toe-out side by an amount greater than the turning amount command value from the normal-state turning control unit.
APPARATUS AND METHOD OF CONTROLLING VEHICULAR BRAKING
A method and apparatus for controlling braking of a vehicle are provided. The apparatus includes an in-wheel motor installed in a wheel to rotate the wheel, an electro-mechanical brake installed in the wheel to perform braking, a vehicular speed sensor to measure a speed of the vehicle, and a processor to: compute a required braking force, in response to receiving a signal initiated by a brake pedal; control braking by distributing the required braking force to the electro-mechanical brake and the in-wheel motor; determine a braking state according to a speed of the vehicle and recompute a braking torque for the in-wheel motor; and in case the electro-mechanical brake fails to operate, control the in-wheel motor to bring the vehicle to a stop.
Intelligent advanced engine braking system
A system and method for slowing a vehicle. Road conditions around the vehicle are monitored, and determined if those road conditions are hazardous. An engine control unit is informed of the hazardous road conditions and alters the operation of the engine control unit in response to the hazardous road conditions. When an operator of the vehicle desires to slow the vehicle down, an indication is received indicating the intent to slow the vehicle down. The vehicle is then slowed based upon the altered operation of the engine control unit by applying a vacuum to increase a manifold vacuum of the engine.
SYSTEM AND METHOD OF BRAKING FOR A PATIENT SUPPORT APPARATUS
A patient support apparatus includes a base having a length and including a plurality of caster wheels enabling movement of the patient support apparatus across a floor surface. An auxiliary wheel support structure is secured to the base and rotatably supports at least one non-castered auxiliary wheel. A drive mechanism including a motor may be configured to drive the auxiliary wheel. A braking system including at least one brake member may be configured to apply a braking force to decelerate the auxiliary wheel and is movable between a first position wherein the at least one brake member is disengaged from the auxiliary wheel and a deployed position wherein the at least one brake member is frictionally engaged with the auxiliary wheel to restrict rotation of the auxiliary wheel. The braking system may be configured to synchronize the braking forces applied to first and second auxiliary wheels.
A Vehicle Braking Arrangement
The present invention relates to a vehicle braking arrangement for a vehicle with wheels contacting the ground during normal running. The vehicle braking arrangement includes an emergency brake control unit, a first emergency braking system including non-reversible braking means arranged to operate independently of the vehicle wheels, at least one acceleration detector, and a wheel brake anti-locking system. The emergency brake control unit is arranged to input acceleration data (a) when the wheel brake anti-locking system is active, and to calculate the coefficient of friction () between the wheels and the ground. The emergency brake control unit is arranged to determine if the first emergency braking system should be activated in dependence of a first plurality of parameters, where one of these parameters is the coefficient of friction ().
Corner module apparatus for vehicle
Disclosed is a corner module apparatus for a vehicle. The corner module apparatus includes processors configured to receive a braking initiation manipulation input of a vehicle from a driver. The corner module apparatus also includes a controller configured to perform braking of the vehicle by independently controlling steering of four wheels of the vehicle based on a direction angle when the braking initiation manipulation input is received by the one or more processors in a state in which the vehicle is positioned on the slope. The direction angle is an angle between an inclined direction of a slope and a longitudinal direction of the vehicle.