Huawei Technologies Co., Limited

Huawei Digital Power Technologies Co., Ltd.

Yulong Computer Telecommunication Scientific (shenzhen) Co., Ltd.

Yi Cao

Mu Zhou

Ricky Lap Kei Cheung

Cong Li

Jinsong Zhang

Jiangang Wang

Hongbing Liu

Hu Zhong

Wenwu Ma

Yang Cheng

Xiang Fang

Maojie Ren

Jingzhou Wei

A control method and apparatus may be applied to an electric drive system. The electric drive system includes an oil pump, a motor, a reducer, and a housing, the motor and the reducer are disposed in the housing, lubricating oil is stored in the housing, and the oil pump is configured to pump the lubricating oil. The method includes: obtaining a first rotational speed of the motor, a second rotational speed of the oil pump, and a temperature of the lubricating oil in the housing; and controlling a rotational speed of the oil pump to be a third rotational speed based on the first rotational speed, the second rotational speed, and the temperature. In this way, the rotational speed of the oil pump can be adjusted to change liquid levels of the lubricating oil in a cavity and oil pump power at different rotational speeds of the oil pump.

Control method and apparatus

A power assembly and a vehicle. The power assembly includes a housing, and a first drive motor, a first speed reducer, a first oil path, a second drive motor, a second speed reducer, a second oil path, and a third oil path that are located inside the housing. The power assembly further includes a first oil pump and a second oil pump. The housing is provided with an oil pan. The first drive motor includes a first stator and a first rotor. The second drive motor includes a second stator and a second rotor. Both the first oil pump and the second oil pump are connected to the oil pan. The power assembly simplifies the oil paths in the housing and improve an integration level.

Cooling and lubricating oil paths for power assembly and vehicle

An antenna apparatus, which includes an antenna array and a processor, where the processor is configured to determine a first antenna subarray from N rows and M columns of radiating elements of the antenna array, where the first antenna subarray includes X1 rows and Y1 columns of radiating elements, and X1 is greater than Y1, control a phase shift increment change of the first antenna subarray to generate a plurality of first beams, determine a first aligned beam from the first beams based on a first feedback from a receive end, determine a second antenna subarray, where the second antenna subarray includes X2 rows and Y2 columns of radiating elements, and Y2 is greater than X2, and determine a second aligned beam from the second beams based on a second feedback from the receive end.

Antenna apparatus and related device

This application provides an apparatus for correcting a deviation between a plurality of transmission channels, which includes a first transmission channel and a second transmission channel. The first transmission channel and the second transmission channel are respectively connected to a first endpoint and a second endpoint of a correction coupling channel. The apparatus includes a vector detection unit, configured to: when a first signal is fed at the first endpoint and a second signal is fed at the second endpoint, respectively detect a plurality of signal vectors based on a plurality of feedback signals of the first transmission channel and the second transmission channel; and a processing unit, configured to determine a deviation correction value between the first transmission channel and the second transmission channel based on the detected signal vectors.

Apparatus and method for correcting deviation between plurality of transmission channels

An apparatus for correcting a deviation between a plurality of transmission channels includes a first transmission channel and a second transmission channel. The apparatus also includes a phase offset unit configured to set a phase offset between the first transmission channel and the second transmission channel such that a phase deviation between the first transmission channel and the second transmission channel deviates from zero, a power detection unit configured to detect signal powers of the first transmission channel and the second transmission channel under the phase offset, a processing unit configured to determine, based on the detected signal powers, a deviation correction value between the first transmission channel and the second transmission channel, where the deviation correction value includes a phase correction value, and a phase correction unit configured to set the phase correction value between the first transmission channel and the second transmission channel.

An apparatus includes a phase offset unit configured to set a phase offset between the first transmission channel and the second transmission channel such that a phase deviation between the first transmission channel and the second transmission channel deviates from zero, a power detection unit configured to detect signal powers of the first transmission channel and the second transmission channel under the phase offset, a processing unit configured to determine, based on the detected signal powers, a deviation correction value between the first transmission channel and the second transmission channel, where the deviation correction value includes a phase correction value, and a phase correction unit configured to set the phase correction value between the first transmission channel and the second transmission channel.

The present disclosure relates to apparatus for correcting a deviation between a plurality of transmission channels, which includes a first transmission channel and a second transmission channel. The first transmission channel and the second transmission channel are respectively connected to a first endpoint and a second endpoint of a correction coupling channel. One example apparatus includes a receiver and at least one processor. The receiver is configured to when a first signal is fed at the first endpoint and a second signal is fed at the second endpoint, respectively detect a plurality of signal vectors based on a plurality of feedback signals of the first transmission channel and the second transmission channel. The at least one processor is configured to determine a deviation correction value between the first transmission channel and the second transmission channel based on the detected signal vectors.

An information processing method and device, and an apparatus used for a terminal with multiple operation systems include: according to the content of information received in the current operation system, the type of the information is determined; according to the type of the information, the operation system for processing the information is determined, and the information is processed by the operation system. The current operation system can determine the operation system for processing the information according to the content and the type of the information received by a terminal.

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Shenzhen, China

Yi Cao