Abstract: A system includes a serial peripheral interface (SPI) buffer configured at an initial position. A low voltage differential signaling (LVDS) transceiver is configured above the SPI buffer. A capacitor couples the LVDS transceiver with the SPI buffer. The SPI buffer does not interfere with signals from the LVDS transceiver. The LVDS transceiver does not interfere with signals from the SPI buffer. An input/output (I/O) module receives a signal from the LVDS transceiver or the SPI buffer.

Abstract: A system includes a serial peripheral interface (SPI) buffer configured at an initial position. A low voltage differential signaling (LVDS) transceiver is configured above the SPI buffer. A capacitor couples the LVDS transceiver with the SPI buffer. The SPI buffer does not interfere with signals from the LVDS transceiver. The LVDS transceiver does not interfere with signals from the SPI buffer. An input/output (I/O) module receives a signal from the LVDS transceiver or the SPI buffer.

Abstract: Systems and methods for integrating a three-dimensional X-ray computed tomography system with an independent sound wave system to determine mechanical properties of tissue using signals from the sound wave system. Methods are disclosed that generate a numerical simulation and take the transmitted wave signals as the optimization objective to estimate modulus distribution of the tissue. Further, the mechanical properties of the tissue are reconstructed based on an inverse algorithm.

Abstract: The present disclosure relates to methods and devices for identifying an action. In some embodiments, a method for identifying an action includes: recording vibration trajectory information, wherein the vibration trajectory information corresponds to vibration of at least a portion of an intelligent device from a start of a vibration event to stabilization of the vibration event; determining whether the vibration is a damping vibration based on the vibration trajectory information; and in response to determining that the vibration is a damping vibration, determining that the vibration is caused by a user's trigger action, or in response to determining that the vibration is not a damping vibration, determining that the vibration is not caused by the user's trigger action.

Abstract: Methods, apparatuses, and storage mediums are provided for detecting water shortage for a humidifier. The method includes: obtaining a water level parameter of a water tank; determining a water level state of the water tank according to the water level parameter. When the water level state of the water tank is a water shortage state, energizing a valve connected to a water box so that water can be added to the water tank through the valve. A number of times of energizing the valve is recorded. When the number of times of energizing the valve exceeds a first preset number of times as well as when the water level state of the water tank determined every time after energization of the valve is the water shortage state, confirming that the water box is short of water.

Abstract: A method and a device are provided for controlling a rotation angle of a swinging head of a fan. The method may be applied in a fan adopting a brushless motor. An angle feedback device is arranged on the swinging head, and the swinging head is driven by the brushless motor to rotate. The device may acquire a parameter outputted by the angle feedback device, where the parameter varies with rotation of the swinging head. The device may calculate a current rotation angle of the swinging head according to the parameter outputted by the angle feedback device and a preset correspondence relationship between parameters and angles. The device may control the swinging head to rotate according to the current rotation angle of the swinging head and a preset target rotation angle.

Abstract: The present disclosure relates to a fan and a method and device for controlling the fan. The method includes controlling, via a support rod control device, a swinging motion of the swingable support rod, wherein the support rod control device is provided between the swingable support rod and the fan base; determining, when the swingable support rod is swinging, a current swing angle of the swingable support rod; determining a current distance between the fan and a user; determining, based on the current distance and the current swing angle, an axial rotation angle of the fan head; and rotating the fan head based on the axial rotation angle to direct air at the user.

Abstract: The disclosure relates to a method, an apparatus and a computer-readable medium for device control. The method includes obtaining remaining battery energy, an operating power and a timing period for the device and determining a power change curve of the device when the remaining battery energy is insufficient to enable the device to operate with the operating power for the timing period. The method also includes adjusting the operating power of the device according to the power change curve of the device to enable the device to operate for the timing period.

Abstract: A method and an apparatus are provided for calibrating a particulate matter measurement value. The method includes: when a current particulate matter measurement value is obtained, obtaining a current temperature-humidity parameter; obtaining a particulate matter measurement deviation value corresponding to the current temperature-humidity parameter from pre-stored particulate matter measurement deviation values under various temperature-humidity parameters according to the current temperature-humidity parameter; and calibrating the current particulate matter measurement value according to the particulate matter measurement deviation value corresponding to the current temperature-humidity parameter.

Abstract: Systems and methods for integrating a three-dimensional X-ray computed tomography system with an independent sound wave system to determine mechanical properties of tissue using signals from the sound wave system. Methods are disclosed that generate a numerical simulation and take the transmitted wave signals as the optimization objective to estimate modulus distribution of the tissue. Further, the mechanical properties of the tissue are reconstructed based on an inverse algorithm.

Abstract: The present application provides a road determination method and apparatus. The method includes: predefining an obstacle as a road; acquiring information about a first place, and determining a first road nearest to the first place; and determining a region boundary according to the first place and the first road in response to the first road being the predefined obstacle, and determining a region, which is located at a side of the region boundary and does not contain the first road, as an available road region.

Abstract: A method and a device for calculating a consumed lifespan are provided. The method includes: controlling an electric motor of a purifier to rotate at a predetermined speed; acquiring a value of a sampled parameter of the electric motor, the sampled parameter being at least one of a sampled current and a sampled voltage of the electric motor; and determining a consumed lifespan of the purifier according to the acquired value of the sampled parameter, wherein the consumed lifespan is in positive correlation with the acquired value of the sampled parameter.

Abstract: A system and method for safe operation of a microwave oven is disclosed. The heating function of the microwave oven may be automatically disabled upon detection, by the microwave oven, of a metal object entering a heating compartment of the microwave. The detection may be based on magnetic induction. Further, the heating function of the microwave may be automatically enabled and recovered upon detection, by the microwave oven, of a metal object being removed from the heating compartment of the microwave.

Abstract: A method and a device are provided for controlling a rotation angle of a swinging head of a fan. The method may be applied in a fan adopting a brushless motor. An angle feedback device is arranged on the swinging head, and the swinging head is driven by the brushless motor to rotate. The device may acquire a parameter outputted by the angle feedback device, where the parameter varies with rotation of the swinging head. The device may calculate a current rotation angle of the swinging head according to the parameter outputted by the angle feedback device and a preset correspondence relationship between parameters and angles. The device may control the swinging head to rotate according to the current rotation angle of the swinging head and a preset target rotation angle.

Abstract: The present disclosure relates to methods and devices for identifying an action. In some embodiments, a method for identifying an action includes: recording vibration trajectory information, wherein the vibration trajectory information corresponds to vibration of at least a portion of an intelligent device from a start of a vibration event to stabilization of the vibration event; determining whether the vibration is a damping vibration based on the vibration trajectory information; and in response to determining that the vibration is a damping vibration, determining that the vibration is caused by a user's trigger action, or in response to determining that the vibration is not a damping vibration, determining that the vibration is not caused by the user's trigger action.

Abstract: The present disclosure relates to a fan and a method and device for controlling the fan. The method includes controlling, via a support rod control device, a swinging motion of the swingable support rod, wherein the support rod control device is provided between the swingable support rod and the fan base; determining, when the swingable support rod is swinging, a current swing angle of the swingable support rod; determining a current distance between the fan and a user; determining, based on the current distance and the current swing angle, an axial rotation angle of the fan head; and rotating the fan head based on the axial rotation angle to direct air at the user.

Abstract: Methods, apparatuses, and storage mediums are provided for detecting water shortage for a humidifier. The method includes: obtaining a water level parameter of a water tank; determining a water level state of the water tank according to the water level parameter. When the water level state of the water tank is a water shortage state, energizing a valve connected to a water box so that water can be added to the water tank through the valve. A number of times of energizing the valve is recorded. When the number of times of energizing the valve exceeds a first preset number of times as well as when the water level state of the water tank determined every time after energization of the valve is the water shortage state, confirming that the water box is short of water.

Abstract: A method and an apparatus are provided for calibrating a particulate matter measurement value. The method includes: when a current particulate matter measurement value is obtained, obtaining a current temperature-humidity parameter; obtaining a particulate matter measurement deviation value corresponding to the current temperature-humidity parameter from pre-stored particulate matter measurement deviation values under various temperature-humidity parameters according to the current temperature-humidity parameter; and calibrating the current particulate matter measurement value according to the particulate matter measurement deviation value corresponding to the current temperature-humidity parameter.

Abstract: The disclosure relates to a method, an apparatus and a computer-readable medium for device control. The method includes obtaining remaining battery energy, an operating power and a timing period for the device and determining a power change curve of the device when the remaining battery energy is insufficient to enable the device to operate with the operating power for the timing period. The method also includes adjusting the operating power of the device according to the power change curve of the device to enable the device to operate for the timing period.

Abstract: A remote control device includes: a housing; a central processor arranged in the housing and configured to control operations of the remote control device; a thermoelectric generator arranged in the housing and coupled to the central processor; a button module arranged in the housing and coupled to the central processor and the thermoelectric generator; and a communication module coupled to the central processor and the thermoelectric generator, wherein: the thermoelectric generator includes an electricity generator having two metal sheets made of different materials, the two metal sheets being connected to each other at two connection points and forming a closed loop circuit via the two connection points, and the electricity generator is configured to generate a thermoelectromotive force based on a temperature difference between the two connection points, and power the central processor, the button module, and the communication module using the thermoelectromotive force.