Patent classifications
H02J7/1446
HYBRID POWER LOCOMOTIVE AND ENERGY BALANCE CONTROL METHOD AND SYSTEM THEREOF
A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.
Voltage estimation for automotive battery charging system control
Techniques for controlling charging of a battery of a vehicle comprise receiving, from a positive (B+) voltage sensor, a B+ voltage signal indicative of a voltage at a B+ terminal of an alternator of the vehicle, receiving, from an intelligent battery sensor (IBS), an IBS voltage signal indicative of a voltage at a positive terminal of the battery, applying high pass and low pass filters to the B+ voltage signal and the IBS voltage signals, respectively, estimating a voltage of the battery using both the filtered B+ voltage signal and the filtered IBS voltage signal, adjusting a target voltage for the battery based on the estimated battery voltage, and controlling charging of the battery using the adjusted target voltage to mitigate overcharging and undercharging of the battery.
CONTROL METHOD AND VEHICLE-MOUNTED WIRELESS CHARGER, VEHICLE-MOUNTED WIRELESS CHARGER AND VEHICLE
The disclosure relates to a control method for a vehicle-mounted wireless charger, a vehicle-mounted wireless charger, and a vehicle. The vehicle-mounted wireless charger has a fan, and the control method includes: establishing a functional relationship between a vehicle speed of a vehicle and a duty cycle of the fan; detecting a real-time vehicle speed of the vehicle when the wireless charger charges a device to be charged and the fan is turned on; and determining and adjusting the duty cycle of the fan based on the real-time vehicle speed and the functional relationship, to control noise of the vehicle-mounted wireless charger. The vehicle of the disclosure may effectively control the noise of the vehicle-mounted wireless charger using the control method, thereby improving the NVH performance of the vehicle and driving experience of a user.
SYSTEMS AND METHODS FOR MANAGING A VEHICLE’S ENERGY VIA A WIRELESS NETWORK
The disclosure is directed to methods and systems for provisioning mobile electric vehicles with various operational settings data transmitted over the air. A vehicle or its components may operate according to operational settings corresponding to operational settings data included in the vehicle components. A server that is remote to the vehicle may comprise operational settings data and may transmit operational settings data to the vehicle. The server may transmit operational settings data automatically, such as on a periodic basis, in response to a request, such as from a user or from a vehicle component or anytime new or updated operational settings data are available for the vehicle or its components.
Power supply for movable barrier opener with brushless DC motor
A movable barrier opener system having a brushless DC motor is provided. The movable barrier opener system may have a power supply unit with a drive circuit power module and a storage bank. The storage bank may be chargeable by the drive circuit power module and may be connectable to the drive assembly to provide electrical power to the drive assembly to move the movable barrier. The drive circuit power module may be selectably turned on and off to improve efficiency of power consumption by turning off during periods of lowered demand.
COMMUNICATION SYSTEM AND CONNECTOR
A communication system comprising: a control line transmitting a control signal for controlling charging of a battery mounted on a vehicle; a reference potential line connected to a reference potential of the vehicle serving as a reference for the control signal; a first PLC communication device connected to the control line and the reference potential line and superposing onto the control signal a differential signal having a higher frequency than the control signal so as to perform communication with an external power supply apparatus; and an inductive element which is provided at a point of connection between the reference potential line 1c and the reference potential or provided in the reference potential line and the inductive element having impedance for a noise having a higher frequency than the control signal is higher than the impedance for the control signal.
TECHNIQUES TO REGULATE CHARGING WITH AN ALTERNATOR AND A BATTERY TO MINIMIZE VEHICLE FUEL CONSUMPTION
Charging control techniques for a vehicle including an engine that drives an alternator configured to charge a battery of the vehicle comprise modeling a fuel consumption of the alternator for each load level across a range of alternator loads using an engine torque model and a set of operating parameters of the engine, determining an energy output from the alternator for each load level across the range of alternator loads, calculating a cost-to-charge metric based on the modeled alternator fuel consumption and the determined alternator energy output for each duty cycle across a range of duty cycles of the alternator, determining an optimal cost-to-charge from the calculated cost-to-charge metrics, determining a target cost-to-charge metric based on a state of charge of the battery, and operating the alternator accordingly at an optimal duty cycle based on the metrics and current engine operating conditions.
Battery module parallel switching device systems and methods
The present disclosure includes an automotive battery system that uses switching devices to increase operational performance and reliability. The battery system includes a battery cell, a primary switching device electrically coupled to a terminal of the battery cell, and a secondary switching device electrically coupled to the terminal of the battery cell and in parallel with the primary switching device. The primary switching device includes an electromechanical switching device that enables charging or discharging of the battery and generates a boosted voltage. A secondary switching device includes a solid-state switching device and a diode, electrically coupled in series, which detect short circuit conditions in a power-efficient manner and remove the short circuit condition by using the boosted voltage to actuate the armature. Furthermore, parallel switching devices work together to deliver appropriate amounts of power as required by an electrical device, increasing the performance, reliability, and life-span of a battery system.
INTEGRATED STARTER-GENERATOR
A method for remotely controlling the operation of a gas powered golf car, wherein the method comprises, via a global positioning system enhanced fleet management system (GPSEFMS) of the golf car communicatively connected with an internal combustion engine control unit (ECU) and a global position sensor of the golf car: monitoring a location of the golf car as the golf car is moving utilizing geospatial position data communicated from a global position sensor of the golf car to the GPSEFMS; determining when the golf car is one of near or within a geofenced area; and sending control commands to the ECU instructing the ECU to modify operation of the internal combustion engine, and hence operation of the golf car, in accordance with a predetermined operation profile specific to the geofenced area.
HYBRID VEHICLE WITH LOW POWER BATTERY
Systems, methods and apparatus for controlling operation a hybrid powertrain are disclosed that use low power storage and motor/generator components in line haul operations. In one embodiment, a line haul drive cycle includes a low power motor/generator executing a power assistance operation of the hybrid powertrain powered by electricity from a low power storage responsive to a monitoring by a line haul controller of ascensions of the hybrid vehicle at or near a constant speed over an uneven terrain. The line haul drive cycle further includes the low power motor/generator executing a regenerative braking operation of the hybrid powertrain supplying captured electric energy to the low power storage responsive to a monitoring by the line haul controller of descensions of the hybrid vehicle at or near the constant speed over the uneven terrain.