520 results about "Personal computer" patented technology

The invention discloses an industrial personal computer and multi-graphics card collaborative parallel computation acceleration system, which relates to the technical field of industrial resource allocation and parallel computation, and comprises a resource monitoring and predicting module, a resource management module and a prediction type resource preparation module, the task splitting and collaborative execution module comprises a task splitting module, a cross-node collaborative module and a collaborative operation engine; the intelligent scheduling and dynamic resource allocation module comprises an intelligent scheduler, a dynamic resource allocation module and a conflict avoidance module. According to the method, the GPU video memory utilization rate, the core utilization rate, the temperature, the video memory fragment rate, the available video memory total amount, the CPU core total utilization rate, the load condition and the idle core number index are collected in real time through a resource monitoring module, and the video memory capacity, the GPU core occupancy rate and the CPU load requirement are predicted in advance before a task is submitted in combination with a gradient boosting decision tree and a neural network prediction model; and resources are reserved, so that the scheduling delay is remarkably reduced, and the scheduling hit rate is improved.

The invention provides a dam safety monitoring system lightweight construction method and device, and the method comprises the steps: deploying a protocol conversion gateway, carrying out the protocol analysis and data standardization processing of an existing heterogeneous sensor, generating data in a unified format, and supporting the network disconnection caching and automatic supplementary transmission; deploying a data processing module on a local server or an industrial personal computer based on an edge computing architecture, performing feature extraction and multi-scale fusion analysis on acquired data, and performing data compression by adopting an improved revolving door algorithm; constructing a lightweight anomaly detection model, training by using historical data to generate a normal mode template library, calculating a dynamic time warping distance between new data and a template in real time, and triggering early warning when the distance of a plurality of continuous cycles exceeds a preset threshold value; the sampling frequency of the sensor is dynamically adjusted according to the real-time data analysis result, key parameters are collected in a high-frequency mode, non-key parameters are collected in a low-frequency or intermittent mode according to the change rate prediction result, and therefore the system resource use efficiency is optimized.

The invention relates to an automatic test method and system for the zero offset of a hemispherical resonator gyroscope. The automatic test system composed of a double-shaft servo turntable control module, a gyroscope control module and a PC (Personal Computer) upper computer is built; a servo turntable control instruction and a gyroscope control instruction are sent through a serial port according to a certain program through an automatic test logic built in a PC upper computer, a gyroscope vibration mode angle is controlled to be automatically switched from 0 degree to 360 degrees (the step length can be set), and turntable angle and gyroscope vibration mode angle data under each vibration mode angle are synchronously collected; and substituting the acquired data into the error model, completing zero offset error parameter identification by adopting a nonlinear least square method, generating an error compensation formula, and writing the error compensation formula into a gyroscope control unit in real time to realize compensation.

The invention discloses a low-resource and low-energy-consumption remote sensing image brain-like computing system based on an FPGA (Field Programmable Gate Array), which belongs to the cross technical field of brain-like computing and remote sensing information processing, and comprises a data interaction module which is used for high-speed data transmission between a PC (Personal Computer) end and the FPGA and comprises a PCIe (Peripheral Component Interconnect Express) interface sub-module and a data transmission control sub-module; the storage control module is used for data interaction control of the off-chip DDR and the on-chip BRAM and providing efficient data supply for the processing engine; the processing engine module is used for simulating a brain-like pulse neural network to complete convolution calculation of the remote sensing image; comprising a convolution processing sub-module, a data storage sub-module, an input buffer sub-module and an output buffer sub-module. According to the low-resource and low-energy-consumption remote sensing image brain-like computing system based on the FPGA, the brain-like pulse neural network is adopted, the BRAM is allocated to store the intermediate computing result, and the computing unit is designed in combination with SNN characteristics, so that energy consumption and resource waste are effectively reduced, and computing efficiency is improved.

The invention provides a numerical simulation method and system constructed based on a neural network and an iterative approximation method. The method comprises the steps that a to-be-solved partial differential equation is determined; constructing a precise solution data set; establishing a deep learning objective function network; constructing a loss function; training the network through the random training set; and outputting the prediction solution. According to the method, the time variable is used as network input, continuous time prediction under single-round training is realized, and the problem that a traditional discrete model needs multiple times of iterative training is solved; tasks such as target detection and image classification can be executed, screen and back images of the mobile terminal / tablet personal computer are input in product defect detection, and defect existence, position or type are output; and inputting a sea surface image in sea surface ship identification, and outputting existence, position or type of the ship. According to the method, the number of training iterations in a Burgers equation experiment is reduced by 19.3%, and full-time-domain repeated training of a traditional discrete model is eliminated; internal point sampling is avoided through time semi-discretization, and the calculation efficiency is remarkably improved.

We provide a blockchain automatic registration device for documents such as official daily reports and medical records that ensures the authenticity of business records, simplifies certification, and prevents tampering. [Solution] The system is equipped with an input means for acquiring electronic records entered or edited by users from a personal computer or tablet terminal, a communication means for sending or transferring the electronic records to a central information processing device, a processing means for hashing and digitally signing the electronic records, and a registration means for automatically registering the processing results obtained by the processing means in a blockchain, and is configured to automatically execute based on the electronic records.

The self-adaptive welding device comprises a robot, a robot controller, an industrial personal computer, a visual assembly and a welding gun, a visual processing module, a welding seam contour recognition module, a welding seam precision adjustment module and a track generation module are arranged in the industrial personal computer, and the visual assembly is used for conducting multi-angle shooting on a workpiece; the visual processing module is used for identifying geometrical characteristics of a main pipe and a branch pipe of the workpiece; the weld contour recognition module is used for recognizing a weld contour; the welding seam precision adjusting module is used for refining the precise position of the welding seam point at the junction of the main pipe and the branch pipe through a calibration method; the track generation module is used for generating a welding track; and the robot controller receives the welding track and controls the welding gun to move according to the welding track to execute welding operation. According to the method, the reasonable robot welding posture is automatically matched, the track continuity and the welding process stability are improved, through automatic track planning and execution, it is ensured that the quality of each welding seam is stable, and manual operation errors are reduced.

The invention discloses a tablet computer mainboard dynamic frequency modulation system based on temperature sensing, which belongs to the technical field of tablet computer mainboards and comprises a temperature acquisition module, a data processing module, a temperature and load correlation analysis module, an intelligent decision module, an execution control module, an energy consumption monitoring module and a feedback optimization module. The future load change is pre-judged based on the temperature change trend, the passive mode of response after the load exceeds the standard is broken, the intelligent decision-making module formulates a specific frequency and voltage adjustment strategy in combination with the load change trend, and the execution control module completes frequency adjustment before the load is actually increased according to a frequency adjustment instruction of the intelligent decision-making module. And the feedback optimization module continuously corrects the frequency modulation strategy according to the frequency modulation effect, so that the performance and the energy consumption are accurately balanced in various scenes, the frequency modulation response time is effectively shortened, the lagging caused by lagging is remarkably reduced, meanwhile, the invalid energy consumption is reduced through temperature-driven accurate frequency modulation, and the endurance of the tablet personal computer is prolonged.

The invention discloses a pollutant monitoring system and method guided by turbulence degree of a flow field of a clean room, and aims to solve the problem that the existing monitoring technology lacks self-adaption and active tracking capability. The invention provides an innovative solution aiming at the defects that a fixed point position sensor has a blind area and a robot cannot deal with the change of a dynamic flow field during fixed inspection. The system comprises a mobile robot and a set of calculation and control system with a hierarchical data processing architecture. The remote computer is responsible for complex flow field analysis and decision making, the local industrial personal computer processes original data and executes bottom layer control, the load of the robot is effectively reduced, and efficient, stable and intelligent data transmission is achieved. The core of the method is an intelligent collaborative algorithm guided by the turbulence degree of the flow field. When the system detects that the flow field is disordered, the robot can start headwind search for rapid positioning, then seamlessly switches to disorder degree gradient tracking for accurate tracking, and finally the pollution source is locked. According to the cooperative mechanism of rough positioning and accurate tracking, the hysteresis problem of a traditional method is effectively solved, monitoring is changed from a passive mode to an active mode, and the real-time performance and the accuracy of clean room pollutant monitoring are greatly improved.

The invention provides a robot automatic stacking and loading control system and method, and relates to the technical field of loading control and image recognition, and the system comprises a data management layer, a stack shape program generation sub-module and a hardware execution layer. The data management layer is deployed on an industrial personal computer, and is used for storing order data, material data, vehicle model data and execution data of each lane, distributing control instructions and configuration parameters to the stack shape program generation sub-module, and collecting hardware equipment operation parameters of each lane in real time; by introducing a dynamic safety distance calculation module and a multi-target genetic optimization algorithm, the system can comprehensively consider physical characteristics of materials and real-time environmental factors, automatically generates a stack shape scheme which achieves optimal balance in efficiency, space utilization rate and stability, and meanwhile, automatically generates a stack shape scheme which achieves optimal balance in the aspects of space utilization rate and stability. The convex trolley adaptability verification function can formulate differential stacking strategies for special vehicle types, the problem of unstable stack shape or space waste caused by complex vehicle types is effectively avoided, and the stack transfer risk in the transportation process is remarkably reduced.

The invention discloses a tire pattern block double-process precision machining device in the technical field of machine vision. The tire pattern block double-process precision machining device comprises a robot. The visual control system comprises an industrial personal computer and visual upper computer software; the binocular camera is mounted on the fixed bracket and is used for realizing high-precision reconstruction of the curved surface of the pattern block and high-precision positioning of a back hole; the light source assembly comprises a customized arc-shaped light source, a customized support and a light source controller, and the light source assembly comprises a customized arc-shaped curved surface light source which is installed at the top of the support and used for lighting and installed on the side face of the support and used for supplementing light; the rotary workbench comprises a circular rotary platform driven by a motor and a pattern block clamping mechanism; the rotary workbench is used for rotating the tire pattern blocks placed at the designated positions; the machining device comprises an electric spindle and a controller of the electric spindle. The operation table comprises a customized electric cabinet and a touch screen mounted on the surface of the electric cabinet; the tool setting device is mounted on the outer side of the rotary table and used for compensating tool changing errors; according to the method, the limitation on the precision machining effect caused by insufficient consistency of binocular vision in depth estimation is overcome, the pattern block chamfering and milling groove machining task with the precision requirement being 0.2 mm or above is finally completed, and meanwhile, the consistency of the machining quality of the tire pattern block back hole is guaranteed.

The invention relates to the technical field of industrial personal computers, and discloses a distributed industrial personal computer based on an OpenHarmony system and a data collaboration method thereof. The method comprises the following steps: registering an industrial runtime service instance, receiving a shared memory access request of an application process, and transmitting a server file descriptor copy to the application process to obtain a client file descriptor; the application process executes mmap mapping on a client file descriptor to obtain a client mapping address, and initializes a global write position counter and a read position counter array; the service process updates a global write position counter and writes industrial data, the application process updates a self read position counter value in a read position counter array, and data verification is sent through a distributed soft bus or complete data is broadcasted to a remote industrial personal computer node through a distributed data management framework. According to the invention, unified and efficient response of the OpenHarmony industrial control system to local real-time data transmission and distributed collaborative operation is realized.

The invention discloses a welding robot work monitoring method and system based on machine vision. According to the scheme, a monitoring platform composed of an industrial robot, a welding head, a machine vision sensor, an industrial personal computer and a controller is constructed; on the basis, a unified coordinate system is established through camera internal reference calibration, hand-eye calibration and tool center point calibration; welding images, robot poses and process parameters are collected, and welding seam features are extracted through preprocessing and dynamic region of interest locking; performing three-dimensional reconstruction and track fitting by combining the depth information to generate a welding seam reference track and a welding gun theoretical attitude; and finally, the working state is judged by fusing the deviation parameters, the track and the technological parameters, time delay compensation, online deviation correction and abnormal alarm are carried out, and the scheme can improve the welding seam monitoring precision, the tracking stability and the welding quality consistency under the strong interference working condition.

The invention discloses an automatic zoom lens control system and method, and belongs to the technical field of semiconductor packaging test automation equipment. Wherein the lens module comprises a lens structure assembly and a motor structure assembly, the lens structure assembly comprises a lens, the motor structure assembly comprises a rotor, a coil and a stator, and the rotor, the coil and the lens are rigidly connected together and do axial movement at the same time; the control module comprises an industrial personal computer, a motion control card and a driver, the motion control card and the driver are in communication connection with the industrial personal computer, and the motion control card is used for executing motor motion planning and calculating the output quantity of the position loop improved two-order reduction linear active disturbance rejection controller. According to the automatic zoom lens control system and method, the lens is controlled to zoom automatically, clear images of chips with different heights on the weldment are obtained, and it is guaranteed that the zoom device is high in precision and high in automatic zoom speed while automatic zoom is achieved.

The invention discloses a state monitoring and diagnosing method and system for a marine main engine, and the method comprises the steps: collecting the operation state parameters of the marine main engine, and carrying out the preprocessing; embedding a dynamic soft thresholding layer in each residual module of the residual shrinkage network, and executing channel-by-channel soft thresholding on the feature map; constructing a double-flow attention network, fusing the time-frequency domain characteristics of the vibration signals and the temperature field data of the space heat conduction model, and capturing a causal sequential relationship of multi-modal data through a gating mechanism; carrying out embedded optimization on the model by adopting depth separable convolution, adaptive load normalization and knowledge distillation; the model is carried on a shipborne industrial personal computer, and whether model updating needs to be triggered or not is judged by calculating the weight difference between the shipborne model and the global model of the cloud platform. According to the method, a whole-process closed loop from data acquisition to model deployment is realized, the anti-noise capability, causal association analysis, resource optimization and privacy protection are integrated, and the intelligent operation and maintenance requirements of the marine main engine are met.

The utility model relates to the technical field of edge trimmers, in particular to an intelligent edge trimmer with adjustable trimming, which comprises a rack, two first sliding seats are slidably arranged in the width direction of the rack, a first driving assembly for driving the two first sliding seats to move relatively is arranged on the rack, and trimming assemblies are connected to the first sliding seats. A second sliding seat is arranged on the rack in a sliding mode in the length direction, a second driving assembly used for driving the second sliding seat to move is arranged on the rack, an objective table is connected to the second sliding seat, a fixing frame is connected to the objective table, a clamping assembly used for clamping a product is arranged on the fixing frame, a CCD camera is connected to the fixing frame, and the CCD camera is located over the objective table; an industrial personal computer is connected to the rack, and the first driving assembly, the edge cutting assembly, the second driving assembly, the clamping assembly and the CCD camera are all electrically connected to the industrial personal computer. The automatic edge cutting device has the effect of improving the problems of low working efficiency and high defective rate of products caused by complicated manual edge cutting operation.

The present application relates to a data collection method, apparatus and system, and a readable storage medium and a program product. The method comprises: when a collector is powered on, starting a current main program, and the current main program reading one or more locally stored collection policies, and configuring each collection channel of the collector on the basis of the collection policy, so as to acquire collected data of each collection channel (S202); in response to having established a communication connection with an industrial personal computer, the current main program transmitting the collection policy to the industrial personal computer, so as to instruct the industrial personal computer to execute one or more of the following operations: configuring the collection policy, and sending a data request to the collector on the basis of the collection policy (S204); and in response to having received the data request, the current main program transmitting corresponding collected data to the industrial personal computer, wherein the collected data is used for instructing the industrial personal computer to acquire a fault diagnosis result on the basis of a fault diagnosis model (S206).

The invention is suitable for the technical field of intelligent control, and particularly relates to an intelligent control method and system of an industrial personal computer, and the method comprises the steps: setting a virtual model of the industrial personal computer at a cloud; identity verification is carried out, the virtual model is loaded through an external device, and a currently used variation function is sent to the external device at regular time through the cloud; generating a transition function through a random algorithm, obtaining to-be-transmitted data, and converting the to-be-transmitted data through the transition function to obtain transition data; and performing secondary conversion on the transition data through the variation function to obtain plaintext data, and synchronously transmitting the plaintext data and the transition function to the data receiver by the data sender through the cloud to complete the data transmission. According to the method, the data needing to be transmitted are converted, and the original data are replaced by the transition function and the plaintext data which are not directly associated with the data to be transmitted, so that the data security is improved, the data does not need to be additionally encrypted and transmitted, and the equipment control security is ensured.

The utility model relates to the technical field of industrial personal computer components, in particular to an industrial personal computer acquisition expansion component which comprises an industrial personal computer body, a support seat is arranged at the lower end of the industrial personal computer body, a bottom sealing groove is formed in the support seat, an air cylinder is arranged on the support seat, an air cylinder rod is arranged on the air cylinder, and a fixing plate is arranged on the air cylinder rod. The industrial personal computer comprises an industrial personal computer body, a fixing plate is arranged on the industrial personal computer body, a connecting block is arranged on the fixing plate, an anti-smashing expansion cover is arranged on the connecting block, a vertical sealing guide groove is formed in the industrial personal computer body, a camera, a microphone and a loudspeaker are arranged on the industrial personal computer body, a guide assembly sliding plate and a top assembly pressing strip are arranged on the anti-smashing expansion cover, and a weather-proof anti-scraping layer is arranged on the anti-smashing expansion cover. The overall sealing protection and direct crushing prevention performance of the camera, the microphone and the loudspeaker protruding from the industrial personal computer body is improved when the industrial personal computer is not used for a long time, and the weather resistance, scratch resistance and durability of the outer surface of the anti-crushing extension cover are improved.

The utility model discloses a novel light reflection device, which comprises a mounting frame, a support frame and a reflective mirror, the mounting frame is hinged with the support frame, the reflective mirror is fixedly connected with the mounting frame, the support frame comprises a hinge seat and a clamping part, and the hinge seat is hinged with the mounting frame. Due to the fact that the installation frame is connected with the supporting frame in a hinged mode, the included angle between the reflective mirror and the structured light camera and / or the TOF camera can be adjusted according to needs, and after a user starts a three-dimensional scanning application program loaded on the intelligent equipment, the application program obtains light rays reflected by the reflective mirror through the structured light camera and / or the TOF camera. And then data acquisition of the to-be-scanned object is completed. According to the utility model, the scanning item can be completed by directly adjusting the included angle between the support frame and the mounting frame without adjusting the angle of the structured light camera and / or the TOF camera, so that the angle of intelligent equipment such as a mobile phone or a tablet personal computer does not need to be rotated, and a user can operate the front screen more conveniently and normally.

The invention discloses an industrial personal computer board based on a multifunctional chip integration module. The industrial personal computer board comprises a power management module, a core control module and a multifunctional integration module, one end of the power management module is connected with one end of the core control module, the other end of the power management module is connected with one end of the multifunctional integration module, and the other end of the core control module is connected with the other end of the multifunctional integration module; the multifunctional integrated module comprises a plurality of multifunctional interfaces, a storage module, a display module and a protection module, the storage module, the display module and the protection module are all provided with the multifunctional interfaces, an anti-static protection circuit is arranged in the protection module, and the protection module is connected with other multifunctional interfaces through the anti-static protection circuit. According to the industrial personal computer board, storage, display, protection and various interface functions are integrated in the multifunctional integrated module in a unified manner, and the integration level of the system is greatly improved by adopting a direct connection framework of the core control module-multifunctional integrated module.

The utility model relates to the technical field of industrial personal computers, in particular to an industrial personal computer for communication, which comprises a bottom plate and a vertical plate, the left side and the right side of the top of the bottom plate are fixedly connected with the bottom of the vertical plate respectively, the outer wall of the vertical plate is fixedly connected with the industrial personal computer, and the bottom of the industrial personal computer is fixedly connected with the top of the bottom plate. The left side and the right side of the bottom plate are connected with installation structures correspondingly, and the front face of the industrial personal computer is connected with a protection structure. In the mounting structure, a tool clamps a front protruding edge to rotate, the rotating protruding edge drives a front screw rod to rotate, then a rear protruding edge is clamped to drive a rear screw rod to rotate, slow rotation of the front screw rod and the rear screw rod is achieved, the situation that a straight plate is inclined and clamped due to rotation of a single screw rod is avoided, and the rotating screw rod can be matched with a square plate to drive the straight plate to move outwards; the distance between the straight plates on the left side and the right side is adjusted, then the bottoms of the straight plates are attached to the connecting positions, bolts penetrate through the straight plates from top to bottom to be fixed to the connecting positions, normal installation of the industrial personal computer is guaranteed, and normal use of the industrial personal computer is guaranteed.

The utility model discloses a high-definition multi-path image processing structure, which comprises a shell, at least one network interface arranged on the shell, a processor arranged in the shell, a video decoder arranged in the shell and connected with the network interface and the processor, and a processor arranged in the shell and connected with the network interface and the processor. And the video receiver is arranged in the shell and is connected with the video decoder and the processor. Therefore, the system chip (system-on-chip, SoC) and the field programmable gate array (field programmable gate array, FPGA) are separately arranged, so that the required FPGA and SoC can be flexibly selected for development, the cost can be effectively reduced, the processing efficiency can be improved, the overall speed can be improved, the system load of a personal computer (PC) is reduced, and the development cost of the system chip (system-on-chip, SoC) and the development cost of the system chip (system-on-chip, SoC) can be reduced. Therefore, the structure of the utility model can carry out multi-path high-quality image processing.

The system according to this embodiment aims to support learning by creating an environment in which students can effectively use personal computers. [Solution] The system according to the embodiment comprises a reception unit, an analysis unit, an environment construction unit, an initial setup unit, and a source code provision unit. The reception unit receives prompts to understand what the student "wants to do". The analysis unit analyzes the information based on the prompts received by the reception unit. The environment construction unit constructs the environment based on the information analyzed by the analysis unit. The initial setup unit performs the initial setup of the environment constructed by the environment construction unit. The source code provision unit provides specific source code in the environment that has been initially set up by the initial setup unit.

This product is a monitor stand made of synthetic resin with a drawer, on which a personal computer monitor can be placed, for example.

The invention provides a gesture control system and an interaction method for a sterile operation. The gesture control system comprises a visualization module and an interaction module, the visualization module is composed of a personal computer provided with visualization software and a display screen and used for loading and displaying the three-dimensional image model of the patient; and the hardware of the interaction module is an Ultra < 3 > Di three-dimensional hand tracking camera, and the interaction module is connected to the personal computer and is used for capturing hand actions. The system is not only suitable for surgical operations, but also can be used for classroom education of medical students, and helps the medical students to more intuitively understand the anatomical structures of organs. Meanwhile, due to the modular architecture and expandability of the system, a wide space is provided for future scientific research and development and technology upgrading, and the refined and intelligent progress of surgical operations can be promoted.

An interactive system may be implemented in part by an audio device located within a user environment, which may accept speech commands from a user and may also interact with the user by means of generated speech. In order to improve performance of the interactive system, a user may use a separate device, such as a personal computer or mobile device, to access a graphical user interface that lists details of historical speech interactions. The graphical user interface may be configured to allow the user to provide feedback and / or corrections regarding the details of specific interactions.

The invention relates to the technical field of industrial personal computers, and discloses a built-in power supply and self-adaptive expansion interface system of an industrial personal computer, and the system comprises an obtaining module which is used for obtaining a power feature table of a plurality of expansion interfaces in the industrial personal computer; the calculation module is used for calculating the distributable total power of each expansion interface and creating a power distribution table of each expansion interface; the power capping module is used for detecting the actually measured power of each expansion interface based on the power distribution table, and when the actually measured power exceeds a first peak power value, each expansion interface executes power capping and outputs an execution result; and the peak power adjustment module is used for dynamically adjusting the first peak power value according to the heat dissipation area temperature and the execution result of each expansion interface to obtain a second peak power value. The power distribution problem of the multiple PCIe expansion interfaces under the limited capacity of a built-in power supply of the industrial personal computer is solved by constructing a guarantee power and elastic power pool; and the stability of concurrent work of multiple expansion cards is improved.

1. Name of the product in this design: Headphones. 2. Purpose of this design: A headset for making calls and connecting to conventional audio players, such as music players, CD players, radios, televisions, personal computers, mobile phones, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The invention discloses a communication control device and method for a new energy automobile industrial personal computer and a PLC and a vehicle, and the device comprises the industrial personal computer which serves as a core control unit, operates upper control software and upper software, is used for building communication connection with other assemblies, achieves the data receiving, processing and monitoring, and achieves the instruction issuing. The plurality of independent network cards are installed in the industrial personal computer and are industrial-grade RJ45 network cards, the number of the independent network cards is matched with data types, physical interfaces are mutually independent, and the independent network cards are respectively used for transmission of motor data, vehicle data and PLC data to avoid data interference. According to the invention, transmission paths of motor data, vehicle data and PLC data are separated by setting an industrial-grade independent network card with an independent physical interface, data interference is avoided from a hardware level, and stability and high efficiency of various data transmission are guaranteed by combining targeted communication protocol selection.