8results about How to "Achieve precise synchronization" patented technology

The invention discloses an AUTBUS-based motion control synchronization system and method, electronic equipment and a storage medium, and belongs to the technical field of industrial control. The system comprises a robot control system which is used for establishing a global unified time reference with an AUTBUS master station, generating a motion track of target equipment, converting a relative timestamp of a motion instruction point in the motion track into an absolute timestamp based on the global unified time reference, generating an instruction table with the absolute timestamp and sending the instruction table to the AUTBUS master station; the AUTBUS master station is used for establishing a global unified time reference with the AUTBUS slave station and sending the data frame packaged with the instruction list to the AUTBUS slave station in advance; and the AUTBUS slave station comprises a hardware comparison unit and is used for executing the instruction when the absolute timestamp arrives. According to the embodiment of the invention, a hardware-assisted accurate triggering architecture based on a global unified time reference is constructed, accurate synchronization of the robot control system, the AUTBUS master station and the AUTBUS slave station can be realized, and the accuracy and stability of motion control are improved.

The present application belongs to the technical field of crop fertilization control, and particularly relates to a potassium fertilizer supply regulation method based on rhizosphere ion migration. First, a benchmark potassium requirement intensity curve of crops is constructed based on historical data to determine a potassium requirement time window and a benchmark potassium supply time point. Real-time collected water state data is analyzed by a water pulse identification criterion library to identify and quantify water pulse events. Subsequently, a multivariate linear regression model of a rhizosphere water pulse correction factor and a potassium ion rhizosphere migration model are used to accurately predict the effective arrival time window of potassium ions under pulse conditions. Finally, the time deviation between the arrival time window and the potassium requirement time window is calculated, and the deviation is used to drive dynamic correction of the benchmark potassium supply time point, thereby achieving precise synchronization of fertilization time and crop potassium requirement absorption and effectively improving potassium fertilizer utilization efficiency.

The present disclosure provides an electric cylinder, comprising: a motor and a reverse screw; the reverse screw comprises a nut structure and a screw rod structure, a first push rod and a second push rod are respectively connected to two sides of the screw rod structure and extend in opposite directions along the axial direction; the motor is sleeved on the outer periphery of the nut structure, the motor drives the nut structure to rotate, drives the screw rod structure to move along the axial direction, and in turn drives the first push rod and the second push rod to move along the axial direction. The electric cylinder provided by the embodiment of the present disclosure integrates two push rods extending in opposite directions, is driven by a set of motor and reverse screw, has compact structure, can realize accurate synchronization of the two push rods, does not need to add an additional control system, and is favorable for reducing the failure risk and saving the cost.

The application discloses a digital human modeling method, comprising the following steps: S1, three-dimensional reconstruction data about each frame of image is extracted from monocular video, the three-dimensional reconstruction data comprises original data, high-precision human mask, original audio signal, optimized SMPL parameters and camera parameters corresponding to each frame of image; S2, a three-dimensional structure human body grid in a "T" posture is generated based on the optimized SMPL parameters, after being discretized into a 3D Gaussian point set, the initialization of the 3D Gaussian point set is completed in combination with the original data, the high-precision human mask and the camera parameters corresponding to each frame of image; S3, a facial animation sequence capable of representing mouth shape and emotional dynamics is obtained based on the original audio signal, a text description of an expected facial morphology and a reference image; S4, a Gaussian physical model is added in a 3DGS process to render the initialized 3D Gaussian point set, and the 3DGS rendering result is mixed and rendered with the facial animation sequence to generate a digital human model with facial expressions.

The utility model provides bearing oil seal assembling equipment which comprises a working table and an assembling assembly body arranged on the working table, a machining area is arranged below the assembling assembly body, a discharging area and a feeding area are arranged on the two sides of the machining area respectively, a rotating disc is arranged among the machining area, the discharging area and the feeding area, and the rotating disc is connected with the working table. A motor used for driving the rotating disc to rotate is arranged on the workbench, three stations corresponding to the machining area, the discharging area and the feeding area respectively are arranged on the rotating disc, and clamping components are arranged on the three stations respectively. According to the bearing oil seal assembling equipment provided by the utility model, through the design that the turntable and the three stations are uniformly distributed in the circumferential direction, the synchronous circulation of the feeding station, the processing station and the discharging station can be realized, the shutdown waiting time of the traditional single-station operation is reduced, the equipment is continuously operated, and the production efficiency is improved.

The application discloses a kind of real BOM construction methods and systems for complex equipment, it is related to product life cycle management technical field, including: EBOM structure tree and PBOM structure tree are mapped matrix is constructed;With EBOM structure tree as basic skeleton, traverse EBOM node, to each EBOM node, if there is corresponding PBOM node in mapping matrix, then the attribute of corresponding PBOM node is attached to current EBOM node;If it does not exist, then keep current EBOM node, and obtain initial seed tree;According to the process assembly sequence and node type of PBOM structure tree, the initial seed tree is adjusted in structure, conflict resolution and deduplication are executed, and the real BOM structure tree skeleton is obtained;Real BOM structure tree skeleton is filled with real object data, and the real BOM structure tree is obtained, and tree structure difference comparison method is used for updating.It realizes the mapping conversion and dynamic synchronization from digital BOM to real BOM.

The application discloses a self-adaptive network searching method, an electronic device and a computer readable storage medium, comprising: in response to detecting that a mobile terminal enters a target communication limited scene, acquiring corresponding historical disengagement information; the target communication limited scene is a regular communication limited scene determined based on historical mobile trajectory data; determining predicted disengagement information of the mobile terminal disengaging from the target communication limited scene according to the historical disengagement information; the predicted disengagement information comprises a predicted disengagement time and / or a predicted disengagement position; determining a trigger time and / or a trigger position based on the predicted disengagement information; the trigger time is earlier than the predicted disengagement time, and the trigger position is close to the predicted disengagement position; in response to detecting that the current time reaches the trigger time, and / or detecting that the mobile terminal reaches the trigger position, triggering a network searching process to perform corresponding network searching operations. The application can realize intelligent and efficient network recovery by constructing a self-adaptive network searching mechanism driven by individual behavior data of a user.

The invention discloses an audio playing method, device and equipment. The method comprises the steps of obtaining a broadcast audio stream; the broadcast audio stream comprises a first exhibit identifier; acquiring various sensing data; the sensing data is used for indicating the spatial state of the target object and the spatial position relationship between the target object and the surrounding object; determining focus positioning data of the target object according to the multiple sensing data; the focus positioning data is used for indicating the position and direction pointed by the sight focus of the target object in the three-dimensional space; determining a second exhibit identifier based on the focus positioning data and preset exhibit map information; matching the first exhibit identifier with the second exhibit identifier; when matching succeeds, processing the broadcast audio stream based on the focus positioning data and target position information corresponding to the second exhibit identifier, and generating a target audio signal; and playing the target audio signal. Accurate synchronization of the exhibit audio and the real-time sight focus of the user is realized, so that the immersion of user guide is improved.