Abstract: Implementations of the present invention disclose an unmanned aerial vehicle ranging method, apparatus and an unmanned aerial vehicle.

Abstract: Embodiments of the present application relate to the technical field of aircrafts and disclose a method and apparatus for yaw fusion and an aircraft. The method for yaw fusion is applicable to an aircraft and includes: acquiring global positioning system (GPS) data, inertial measurement unit (IMU) data, and magnetometer data, wherein the GPS data includes GPS location, velocity, acceleration information, and GPS velocity signal quality, and the IMU data includes IMU acceleration information and IMU angular velocity information; determining a corrected yaw according to the IMU data, the GPS data, and the magnetometer data; determining a magnetometer alignment deviation angle according to the magnetometer data, the GPS data, and the corrected yaw; determining a GPS realignment deviation angle according to the GPS data and the IMU acceleration information; and generating a fused yaw according to the corrected yaw, the magnetometer alignment deviation angle, and the GPS realignment deviation angle.

Abstract: The present invention relates to a blind area tracking method and apparatus for a directional antenna and a motion tracking system. The method includes: acquiring a position and a velocity of a tracking target relative to the directional antenna; determining, according to the position and the velocity, whether the tracking target is located in a tracking blind area of the directional antenna; and driving, in a preset blind area guidance mode and when the tracking target is located in the tracking blind area, the directional antenna to rotate. The method may help switch to a corresponding blind area guidance mode when an unmanned aerial vehicle enters a tracking blind area, to implement all-the-way tracking of a tracking target without temporarily losing the tracking target within the tracking blind area. In this way, a better tracking effect is ensured.

Abstract: The present invention relates to the field of remote control technologies, and provides a remote control, including: a body, a first rocker device, a processor, and a signal transmission device. A first joystick component of the first rocker device may move in parallel relative to the body. The processor is connected to the first rocker device, and when the first joystick component moves in parallel relative to the body, the processor generates a remote control instruction, where the remote control instruction is used to control a movable object to move in a horizontal plane of the movable object. The signal transmission device is connected to the processor, and used to receive the remote control instruction generated by the processor, and send the remote control instruction to the movable object.

Abstract: Embodiments of the present invention relate to the field of unmanned aircraft technologies, and disclose a method for upgrading modules in an unmanned aircraft system. The unmanned aircraft system includes a storage apparatus and at least two to-be-upgraded module groups, each of the at least two to-be-upgraded module groups including at least one to-be-upgraded module, and the storage apparatus including at least two upgrade packages, each of the upgrade packages corresponding to one to-be-upgraded module group; and the method includes: transmitting, by the storage apparatus, at least two upgrade packages to the at least two to-be-upgraded module groups; receiving, by a to-be-upgraded module group in the at least two to-be-upgraded module groups, a corresponding upgrade package; and upgrading to-be-upgraded modules in the to-be-upgraded module group according to the upgrade package.

Abstract: The present invention provides a battery equalizing apparatus and method, and an unmanned aerial vehicle (UAV). The battery equalizing apparatus includes: a battery gauge configured to monitor battery level information of a battery in a static state, a battery equalizing circuit being disposed inside the battery gauge; and a microprocessor connected to a communication port of the battery gauge and configured to: acquire the battery level information monitored by the battery gauge, and calculate a pressure difference between cells of the battery in a static state according to the battery level information, and determine whether the pressure difference is greater than a pressure difference threshold; the microprocessor sending a trigger signal to the battery gauge through the communication port when the pressure difference is greater than the pressure difference threshold, to trigger the equalizing circuit of the battery gauge to equalize the battery.

Abstract: The present application relates to an accelerator control method and device, a power system and an unmanned aerial vehicle (UAV). The method includes: receiving, by an electronic speed control (ESC), an accelerator signal through a serial communication interface; extracting accelerator control data from the accelerator signal; generating, according to the accelerator control data, a motor control signal for controlling operation of a motor; and transmitting the motor control signal to the motor. The accelerator signal received through the serial communication interface is a digital signal subjected to small interference during transmission, unlike an analog signal that is susceptible to interference such as impedance and capacitive reactance, which causes data inaccuracy. In addition, in the manner of serial communication, a higher baud rate may be adopted to shorten an accelerator control cycle, thereby achieving high-speed control of an accelerator and increasing the control frequency.

Abstract: The present disclosure discloses a method for braking a permanent magnet synchronous motor and a related device. The method is applied to an electronic speed controller and includes: receiving a signal for braking the permanent magnet synchronous motor sent by a flight controller; sending a first control signal to the permanent magnet synchronous motor, the first control signal being used to control the permanent magnet synchronous motor to decrease its rotational speed to a preset rotational speed range within a first preset time period; and after the first preset time period ends, sending a second control signal to the permanent magnet synchronous motor, the second control signal being used to control the permanent magnet synchronous motor to stop rotating within a second preset time period. According to the method, consistency of shutdown of multiple motors is ensured, and use experience of a drone is improved.

Abstract: The present invention provides a data transmission method, apparatus and system. The method includes: in a detection period, receiving a first pilot signal sent by an unmanned aerial vehicle (UAV), the first pilot signal being a downlink signal obtained by modulating a useful signal at a preset candidate frequency, and the preset candidate frequency including a frequency in a same frequency band and/or different frequency bands; determining a downlink operating frequency from the preset candidate frequency according to the first pilot signal; sending a first feedback signal to the UAV, the first feedback signal including information about the downlink operating frequency; and receiving downlink data sent by the UAV and modulated at the downlink operating frequency.

Abstract: A connection apparatus of a detachable gimbal and an unmanned aerial vehicle are disclosed. The connection apparatus of a detachable gimbal includes: an alignment component, where the alignment component is configured to align a circuit connection terminal of an unmanned aerial vehicle with a circuit connection terminal of a gimbal; a pre-installed component disposed on the alignment component, where the pre-installed component moves relative to the alignment component to fixedly connect the gimbal to a fuselage of the unmanned aerial vehicle; and a locking component disposed on the pre-installed component, where the locking component locks the pre-installed component when the pre-installed component moves relative to the alignment component to a preset location.

Abstract: The present invention relates to the field of remote-control technology, and provides a remote control for remotely controlling a motorized device, the remote control including a first rocking lever device, a second rocking lever device, a processor and a signal transmitting device. A rod of the first rocking lever device is configured to perform a linear movement along a first direction and a second direction, so as to trigger the remote control to generate a first remote control instruction and a second remote control instruction, and is further configured to rotate along a third rotation direction and a fourth rotation direction, so as to trigger the remote control to generate a third direction and a fourth direction. The first direction is opposite to the second direction, and the third direction is opposite to the fourth direction.

Abstract: The present invention discloses a camera imaging method, a camera system and an unmanned aerial vehicle (UAV). The camera imaging method is applied to a camera system of the UAV. The camera system includes a signal trigger device and a signal receiving device. The method includes: acquiring, by the signal trigger device, a shooting instruction; generating, by the signal trigger device, a trigger signal with a preset trigger frame rate according to the shooting instruction; and performing, by the signal receiving device, exposure at the preset trigger frame rate according to the trigger signal; where the preset trigger frame rate is greater than a default exposure frame rate of the signal receiving device. According to the present invention, an exposure frame rate of the signal receiving device is adjusted to the preset trigger frame rate, so that the signal receiving device can perform exposure according to the preset trigger frame rate, and synchronous dual-light exposure is implemented.

Abstract: Embodiments of the present invention relate to the field of aerial vehicle technologies, and disclose a method and apparatus for video data transmission, an image transmitting terminal, and an aerial vehicle image transmission system. The method includes: acquiring an original image; converting the original image into a first image, the first image being an image conforming to a format of an audio/video interface; converting the first image into a second image, the second image being an image conforming to a format of an interface of a display apparatus; encoding the second image to obtain encoded video image frames; and transmitting the encoded video image frames to the display apparatus. By means of the image transmission method provided in this embodiment of the present invention, the image is transmitted in real time.

Abstract: This application discloses a drone control method and device and a drone and pertains to the technical field of drone control. The method includes: monitoring a running status of each power motor in a drone; determining according to the running status of each power motor whether the drone is in a crashed state; and controlling the drone to alarm when determining that the drone is in the crashed state. The drone control method and device and the drone can rapidly locate a crashed drone, greatly increasing the probability of finding back the crashed drone.

Abstract: The present invention discloses an unmanned aerial vehicle, including: a fuselage; a battery accommodation cavity, disposed on the fuselage; a battery pack, including at least two battery blocks and mounted inside the battery accommodation cavity; a battery circuit board, electrically connected to the battery blocks in the battery pack; and a functional module, electrically connected to the battery circuit board, the battery blocks in the battery pack supplying power to the functional module via the battery circuit board at the same time. By using the solution of the present invention, endurance of the unmanned aerial vehicle is increased.