A method for suppressing braking noise in a vehicle by a central server, methods for suppressing braking noise in a vehicle to be carried out in a vehicle, and an associated central server, an associated vehicle control module and an associated data storage medium are disclosed. The data processing is divided between the vehicle and the central server.

The solar power system for auxiliary-powered brakes and power system for a tractor-trailer is a supplemental electrical system adapted for use with the trailer of a tractor-trailer. The solar power system for auxiliary-powered brakes and power system for a tractor-trailer is designed to: 1) assist in the acceleration of the trailer; 2) use braking energy to generate and store electricity; 3) supplement the stored energy with a renewable source; and, 4) distribute excess energy to the trailer electrical system. In one potential embodiment of the disclosure, the solar power system for auxiliary-powered brakes and power system for a tractor-trailer provides for tapping into the stored electrical energy for external use. The solar power system for auxiliary-powered brakes and power system for a tractor-trailer comprises a plurality of photovoltaic cells, one or more axle assist devices, an electricity storage device, and a distribution system.

An apparatus configured to perform electrical braking with a fail-safe function includes a main brake pedal sensor configured to generate a first output signal, a main brake controller configured to brake a vehicle by controlling a brake according to a first braking signal based on the first output signal, a redundancy brake pedal sensor configured to generate a second output signal proportional to the stroke of the brake pedal, the second output signal having a magnitude within a preset error range from the first output signal, and a redundancy brake controller configured to brake the vehicle by controlling the brake according to the second braking signal based on the second output signal, in which the redundancy brake controller may be configured to brake the vehicle when the main brake controller fails, and the main brake controller may be configured to brake the vehicle when the redundancy brake controller fails.

A brake device applies a braking force to a vehicle by pressing a friction material against a rotor rotating integrally with a wheel. A temperature estimation method applied to the brake device includes: calculating an amount of absorbed energy absorbed by the rotor based on an amount of kinetic energy that the vehicle loses and an amount of potential energy that the vehicle loses during braking of the vehicle; and estimating a temperature of the rotor based on the amount of absorbed energy.

A system for use in connection with a wheel torque generating component in a heavy-duty vehicle. The system comprises a fluid conduit, a compressor configured to provide a pressurized air flow through the fluid conduit, a mass flow adding arrangement configured to add a fluid to the pressurized air flow in the fluid conduit, thereby increasing the mass flow of the pressurized air flow, and a flow directing device arranged downstream of the mass flow adding arrangement and configured to direct the pressurized air flow, including the added fluid, from the fluid conduit to the wheel torque generating component so as to control the temperature of the wheel torque generating component. The invention also relates to a method for use in connection with a wheel torque generating component in a heavy-duty vehicle.

A system for use in connection with a wheel torque generating component in a heavy-duty vehicle, comprising a fluid conduit, a flow creating device configured to provide a pressurized air flow through the fluid conduit, a flow directing device enabling the pressurized air flow to be directed from the fluid conduit to the wheel torque generating component so as to control the temperature of the wheel torque generating component, and a control unit configured to compare a determined first temperature of the pressurized air flow with a determined second temperature of the wheel torque generating component, wherein the control unit is configured to, based on the comparison of the first temperature and the second temperature, selectively control the flow directing device to direct the pressurized air flow to the wheel torque generating component. The invention also relates to a method.

The present invention relates to a method for recuperation based braking of a vehicle in which electrical energy generated during a braking process is decreased by operating at lest one second electric machine of the vehicle in a zero slip mode in order to prevent overcharging of a traction battery of the vehicle.

The invention relates to a control system for controlling a torque generator of a vehicle. The control system is configured to receive one or more electrical signals indicative of a surface indicator; receive one or more electrical signals indicative of a deceleration demand; select a surface type from a plurality of predetermined surface types based on said one or more electrical signals indicative of a surface indicator; determine a target vehicle deceleration in dependence on the selected surface type; determine, based on said one or more electrical signals indicative of a deceleration demand, a requirement to decelerate the vehicle; and in dependence on determining said requirement, output a control signal to the torque generator. The control signal is configured to cause the torque generator to provide the target vehicle deceleration.

A regeneration control apparatus which controls a regenerative braking force of an electric motor for driving an electric motor vehicle includes: a regeneration operation unit operated by a driver to select magnitude of the regenerative braking force stepwise from selection stages; a default operation unit operated by the driver to change the magnitude of the regenerative braking force to one of the selection stages which has been set as a default stage; a detection unit detecting an operation state on the regeneration operation unit during a learning period; and a default stage changing unit, when one of the selection stages whose selection frequency is highest during the learning period is different from one of the selection stages which has been currently set as the default stage, changing the default stage to another selection stage.

In a hybrid vehicle including: a step-up converter for stepping-up the voltage from a battery and supplying power to the front motor for driving front wheels; as well as a paddle switch for setting regenerative braking torque stepwisely, and a hybrid control unit for calculating a regenerative braking force based on a selection stage set by the paddle switch, the hybrid control unit decreases the regenerative braking force to be less than the regenerative braking force while the maximum input/output power of the step-up converter is not limited, when a selection stage in which regenerative braking force is more than that in a D range is selected while the maximum input/output power of the step-up converter is limited.