Huawei Digital Power Technologies Co., Ltd.

At&t Intellectual Property I, LP

Focaltech Systems, Ltd.

Focaltech Electronics (Shenzhen) Co., Ltd.

Weiping Liu

Yongtao Liang

Heping Dai

Huibin Zhu

Prince Paulraj

Shaohua Wang

Anoop Viswanath

Christopher Tsai

Brian Lois

Muhammad Sabir

James Gavillet

Feng Su

Prabhu Gururaj

Satya Vivek Kanakadandila

Yukun Zeng

Otis Jennings

Shreyash Taywade

Shilpi Harpavat

John Schinter

Arjun Coimbatore Nagarasan

Vinu Varghese

Liming Ye

Chen Chen

Zhiliang Zhao

Jianjun Lin

Wenyong Long

J K Zhang

Yanjun Zhi

Dianbo Fu

In another example, a device includes a processor and a computer-readable medium storing instructions which, when executed by the processor, cause the processor to perform operations. The operations include acquiring a plurality of data items from a plurality of data sources, wherein the at least two data sources data sources of the plurality of data sources are maintained by different entities, normalizing attributes of the plurality of data items, using a first machine learning technique, matching at least two data items of the plurality of data items to form a grouping, wherein the matching is based on similarities observed in the attributes of the at least two data items subsequent to the normalizing, and creating a single profile for an individual associated with the at least two data items, based on the grouping, wherein the single profile consolidates the attributes of the at least two data items.

Data harmonization across multiple sources

An on-board charging apparatus is provided to implement high-power charging. The on-board charging apparatus includes an alternating current (AC) to direct current (DC) conversion circuit (AC/DC conversion circuit), a power factor correction (PFC) circuit, and a DC/DC conversion circuit. An alternating current terminal of the AC/DC conversion circuit is connected to an alternating current terminal of the PFC circuit. The AC/DC conversion circuit is configured to: receive a first alternating current voltage at the alternating current terminal of the AC/DC conversion circuit, and convert a first component of the first alternating current voltage into a first direct current voltage. The PFC circuit is configured to: convert a second component of the first alternating current voltage into a second direct current voltage. The DC/DC conversion circuit is configured to: convert the first direct current voltage and the second direct current voltage into a third direct current voltage.

On-board charging and discharging apparatus, charging and discharging system thereof, and electric vehicle

According to one aspect of the present disclosure, there is provided an apparatus that includes a battery, a Direct Current (DC) bus connected to the battery, and a DC to DC converter connected to the battery in parallel with the DC bus. A Motor Control Unit (MCU) is connected between the DC to DC converter and an electric motor. An Alternating Current (AC) port is connected to the electric motor. Switches connect the DC bus and an output of the DC to DC converter in series as an input to the MCU in a drive mode and disconnect the DC bus from the MCU in a charge mode.

Integrated charger and motor control system isolated by motor

A touch control method applied in a touch device, the touch display working during a plurality of display frames, a first-type blank period being between each two adjacent display frames, and each of the plurality of display frames comprising at least one second-type blank period and at least one third-type blank period; the touch detection method comprising: detecting a touch operation of a first touch object in at least one of the first-type blank period; judging whether a second touch object being detected in the at least one second-type blank period; and according to a result of the judging, detecting the touch operation of the first touch object or/and the second touch object in at least parts of the at least one third-type blank period. A driver and a touch display device is also provided.

Touch detection method, driver and touch display device

A converter and a power supply system are disclosed, and relate to the power electronics field, to resolve a problem that a sampling circuit in an OBC circuit is relatively complex. The converter includes an alternating current unit, a switching unit, a conversion unit, a direct current unit, and a controller. The alternating current unit includes a U line, a V line, a W line, and an N line. The N line is connected to a ground of the controller, so that the controller can be directly connected to the U line, the V line, and the W line, to collect a voltage of the U line, a voltage of the V line, and a voltage of the W line. This simplifies the sampling circuit.

Converter and power supply system with simplified sampling

A power conversion system includes a first power conversion port including a three-level power factor correction device and a primary power conversion circuit, a second power conversion port including a three-level rectifier and a third power conversion port including a rectifier, the first power conversion port, the second power conversion port and the third power conversion port magnetically coupled to each other through a transformer.

Three-level power conversion system and control method

A power conversion module, a vehicle-mounted charger, and an electric vehicle may be used in the field of new energy vehicles. The power conversion module includes a power factor correction PFC module and a first direct current-direct current DC-DC converter. A first primary circuit of the first DC-DC converter has a first bridge arm, a second bridge arm, a third bridge arm, and a fourth bridge arm. A first switch is disposed between the first bridge arm and an inductor at an interface of the PFC module, and a second switch is disposed between the third bridge arm and another interface of the PFC module. When the first switch and the second switch are turned on, a secondary circuit of the first DC-DC converter may implement a function of a primary circuit of a second DC-DC converter; the second bridge arm and the fourth bridge arm may implement a function of a secondary circuit of the second DC-DC converter; and the first bridge arm, the third bridge arm, the inductor of the PFC module, and a capacitor of the PFC module may form an inverter module, so as to implement an inverse discharging function.

Power conversion module, vehicle-mounted charger, and electric vehicle

This application provides a magnetic integrated device, a power conversion circuit, a charger, and an electric vehicle, and pertains to the field of power electronics technologies. The magnetic integrated device includes a magnetic core, a first transformer winding, and a second transformer winding, where the first transformer winding and the second transformer winding are separated and wound, and a first air gap is formed at separation. A magnetic line may pass through the first air gap to form leakage inductance, and the leakage inductance may be equivalent to resonant inductance in the power conversion circuit. Therefore, there is no need to separately dispose an inductor winding in the magnetic integrated device. This effectively reduces a volume and a weight of the magnetic integrated device. In addition, the power conversion circuit that uses the magnetic integrated device also has a relatively small volume and relatively high-power density.

Magnetic integrated device, power conversion circuit, charger, and electric vehicle

According to one aspect of the present disclosure, there is provided an apparatus that includes first, second, and third power converter stages connected to a transformer module. At least one of the first, second, and third power converter stages is a multi-level power converter stage that has multiple configurations to generate different output voltages from an input voltage.

Integrated charger and motor control system

A method and apparatus for providing equipment maintenance are disclosed. The method receives data that is captured by at least one sensor deployed at a location, wherein the data is associated with at least one parameter of an equipment, receives atmospheric data for the location, monitors the at least one parameter of the equipment and the atmospheric data for the location, determines for the at least one parameter, whether an update to a risk measure associated with the equipment is needed, when a deviation from a baseline is detected that is greater than a threshold for a maximum deviation from the baseline, performs the update to the risk measure associated with the equipment, when the update to the risk measure associated with the equipment is needed, and generates a ticket for a remedial action based on the risk measure, when the risk measure triggers the scheduling of the remedial action.

Method and apparatus for providing equipment maintenance via a network

The present invention relates to touch screen technology, and provide a weight pressure process method and system of the self capacitive touch screen. In the weight pressure process method and system of the self capacitive touch screen provided by the invention, a threshold relationship is used to modify the existing touch threshold, the threshold relationship uses the touch threshold and the minor change of the changes of two channels adjacent to the channel corresponding to the maximum value as variables, if the maximum value is not greater than the value of the threshold relationship, identify the point causing the current change as a fake point and filter out the fake point. In the method, the change of the self capacitor caused by the deformation due to pressure, so the actual touch point can be identified more accurately, a touch application can be performed correctly, and the user experience is improved greatly.

Weight pressure process method and system of self capacitive touch screen

A single layer self-capacitance touch screen and its data processing method which can realize multi-touch identification, the said touch screen includes at least two self-capacitance electrode assemblies independent of each other, all of which are located in the same plane layer and fully cover the whole touch zone of the touch screen without overlapping each other; the said self-capacitance electrode assembly includes at least a pair of self-capacitance coupling electrode couples, which include two electrode plates seated in the same plane, and these two electrode plates all include their own straight-line electrode plate coupling side and straight-line electrode plate base, which have included angle of acute angle; in the self-capacitance electrode assembly, the center lines of the self-capacitance coupling electrode couples are placed parallel to each other, and the center lines of arbitrarily two self-capacitance coupling electrode couples are also placed parallel to each other. This invention fully utilizes simple technological structure feature of single layer self-capacitance touch screen and realizes multi-point touch control function at possible lowest manufacturing cost.

Growing community of inventors

Plano, TX, United States of America

Weiping Liu