3794 results about "Communication unit" patented technology

The invention relates to a pressure sensor (1) for detecting a leakage in a first separating membrane (8), with - a process adapter (6) with a membrane system (7) comprising the first separation membrane (8) and a second separation membrane (9), which are arranged such that the first separation membrane (8) faces the medium (24) and the second separation membrane (9) faces away from the medium (24) and a first intermediate space (10) is enclosed between the first separation membrane (8) and the second separation membrane (9), which has a vacuum, - a sensor unit (14) with a carrier (15), a second pressure sensor (16) and a communication unit (17), wherein the sensor unit (14) is attached to the pressure sensor (1) in a pressure-tight manner by means of the carrier (15) and is arranged such that the second pressure sensor (16) monitors the vacuum in the first space (10), wherein the second pressure sensor (16) and the communication unit (17) are electrically connected to each other and are arranged on a surface of the carrier (15) facing the vacuum.

The invention relates to the technical field of power systems, and discloses a voltage regulation system of reactive power compensation equipment, which is characterized in that harmonic interference is filtered and eliminated through a voltage reactive power sensing unit, and accurate power grid parameters are acquired; a load trend pre-judgment unit analyzes the historical load curve and the real-time change trend to generate a future pre-judgment signal; the dynamic compensation calculation unit combines the current power grid state with the prediction to calculate the optimal compensation capacity and generate a switching instruction, after the hybrid switching actuator receives the instruction, a thyristor is triggered firstly to realize inrush current-free conduction, a contactor is switched to maintain low power consumption after the current is stable, and meanwhile, the compensation state monitoring unit performs closed-loop adjustment on parameter deviation, so that the optimal compensation capacity is obtained. The multi-dimensional protection unit prevents overvoltage, overcurrent and overheating, the double-path power supply guarantees continuous operation when the main power supply is abnormal, the intelligent communication unit realizes data uploading and remote cooperation, quick response switching of reactive compensation equipment and guarantee of safety of a large-scale power grid are realized, and inrush current impact in the switching process is effectively inhibited.

The invention relates to the technical field of construction intelligent monitoring, in particular to a building construction remote intelligent monitoring system based on 5G telephone communication and edge computing. Comprising an on-site sensing unit; the edge processing unit is used for realizing accurate integration of heterogeneous data through an improved self-adaptive weighted fusion algorithm and generating a real-time control strategy in combination with a working condition dynamic model; the 5G communication unit is combined with predictive slice scheduling and a multi-mode anti-interference protocol; and a remote monitoring unit. The industrial-grade sensor array is adopted to collect related data, a monitoring data stream with a timestamp and marked with an abnormal identifier is generated, meanwhile, an edge processing unit complements abnormal data through a data preprocessing module, heterogeneous data integration is achieved through an improved self-adaptive weighted fusion algorithm, and the data processing efficiency is improved. According to the method, the problems that the data processing architecture and the construction multi-source data characteristics are insufficient in adaptation and data validity tracing is missing are effectively solved, and effective tracing and accurate integration of the construction scene multi-dimensional monitoring data are achieved.

The invention relates to the technical field of electrical equipment state monitoring and fault early warning, and particularly discloses an electrical cabinet condensation risk online monitoring method and system, and the method comprises the steps: synchronously collecting the physical parameters of the same microscopic space point in an electrical cabinet; calculating the classical dew point temperature by adopting a Magnus formula; performing quantification processing on the air pressure micro-fluctuation data in the time window, and calculating information entropy of micro-air pressure fluctuation; the wall surface temperature gradient and the air flowing state are fused, and the equivalent dew point temperature is calculated; real-time safety margin is calculated, and the instantaneous change rate of the safety margin is solved; constructing a condensation risk trend index; comparing with a preset threshold value, generating an early warning signal and a risk diagnosis label, and completing condensation risk monitoring; the system comprises a multi-physical field sensing unit, an embedded processing unit, a self-adaptive control unit, a man-machine interaction unit and a communication unit which are integrated in the same shell.

The invention discloses a pressure sensor zero drift compensation method and system for a high-voltage direct-current converter valve cooling system, and relates to the technical field of monitoring and calibration of high-voltage direct-current transmission equipment. The method comprises the following steps: constructing a multi-factor coupling drift model taking temperature, vibration frequency and electromagnetic interference intensity as inputs; environment parameters and pressure signals are collected in real time, and reference pressure signals are collected regularly; short-term dynamic compensation is realized based on model prediction and reference deviation correction; updating the model through incremental learning according to the drift trend; and real-time monitoring and abnormal early warning are carried out. The system comprises a multi-parameter acquisition unit, a data processing unit, a reference pressure generation unit and a communication unit. According to the method, shutdown calibration is not needed, the compensation precision is improved by 75% or above, the calibration period is prolonged to 12 months, meanwhile, the method has the abnormal diagnosis and standby compensation functions, measurement continuity is guaranteed, compatibility is high, industrial popularization is easy, and the method is particularly suitable for being used in a complex environment.

The invention relates to the technical field of power equipment, in particular to an intelligent circuit breaker electric operation mechanism integrating multi-parameter detection and an intelligent monitoring system.The intelligent circuit breaker electric operation mechanism comprises a basic mechanism unit, a detection unit, an intelligent control unit and a communication unit, and the basic mechanism unit comprises a double-layer sliding block compensation system and a transmission mechanism; the double-layer sliding block compensation system is composed of a first sliding block, a second sliding block and a spring set, and a thin film pressure sensor is integrated on the bottom face of the second sliding block. According to the intelligent circuit breaker electric operation mechanism integrated with multi-parameter detection and the intelligent monitoring system, the health state and fault assessment system achieves fault assessment through data receiving, feature fusion, health modeling and fuzzy reasoning, and the intelligent monitoring system comprises a remote monitoring platform. And data display, fault early warning, remote control and reference model optimization are supported, intelligent control and multi-dimensional state monitoring of the circuit breaker are realized, and the fault diagnosis accuracy and the reliability of a power system are improved.

The invention discloses an intelligent helmet control system based on an IMU (Inertial Measurement Unit), particularly relates to the field of riding monitoring, and is used for solving the technical problems that an existing intelligent helmet is high in collision misjudgment rate under strong road surface vibration and complex riding actions and is difficult to stably trigger a reliable rescue process. A helmet inertial measurement unit and a reference inertial measurement unit are respectively arranged on a helmet and a vehicle structural member, coordinate calibration and time synchronization are carried out, and a road vibration compensation model is constructed by using a frequency domain analysis result of the reference inertial measurement unit in a sliding time window. Road vibration and vehicle body vibration are separated from signals of the helmet inertial measurement unit, residual acceleration and angular velocity characteristics representing relative movement of the head are obtained, an accident confirmation signal is generated based on multi-threshold joint judgment, and a communication unit and a vehicle control interface are linked for execution.

The invention provides an electric energy quality on-line monitoring device and a cloud platform cooperation system, and relates to the technical field of electric energy quality management, and the device comprises a signal collection unit which obtains three-phase voltage and current signals in parallel through a Rogowski coil and a capacitive voltage divider; the event detection unit is used for synchronously executing harmonic spectrum analysis and transient event capture by adopting a parallel processing architecture realized by an FPGA (Field Programmable Gate Array); the edge processing unit is connected with the event detection unit, and is configured to encode the transient event features into a Gramer angle field image and compress steady state data into feature vectors; the multimode communication unit comprises a 4G / 5G wireless module and an optical fiber Ethernet interface; and the strategy execution interface outputs a treatment instruction to the compensation device through the D / A converter and the current loop. Through collaborative innovation of the device and the cloud platform, the power quality monitoring and treatment efficiency is remarkably improved.

The invention discloses environment early warning and tampering detection equipment and method for a long-term storage container, and the equipment comprises an electronic container terminal integrated on the container, and the electronic container terminal is provided with a main control unit, and a bistable electronic display screen, a wireless communication unit, a multi-sensor unit and a power supply unit which are connected with the main control unit. The multiple sensor unit includes a tamper detection sensor for detecting a first opening of the container and an environmental sensor for monitoring environmental parameters. And the main control unit displays an abnormal warning when the environment exceeds a threshold value, and generates an irreversible opened state mark and permanently displays opening information according to the tampering signal. The terminal is connected with the cloud server and the user terminal through wireless communication, and identity and state information storage and basic authentication interaction are achieved. According to the invention, dynamic anti-counterfeiting, complete and traceable storage environment recording and active early warning functions can be provided.

The present application relates to a sensor-weight system for an exercise machine. The system comprises a load cell, a three-axis accelerometer, a battery, a housing, a communication unit, a data processing unit, and a weight stack with multiple weights. The load cell interconnects a cable with the weight sword of the weight stack, allowing precise measurement of the user's exerted force during exercise.

The model management device includes a communication unit capable of communicating with a plurality of AI devices, each of which continuously performs training of a machine learning model, and a processor configured to manage training of a machine learning model in each of the plurality of AI devices, and acquire accuracy of the machine learning model trained in each of the plurality of AI devices. The processor is configured to change an execution frequency of a process relating to training of the machine learning model having an accuracy within a predetermined range.

The invention relates to the technical field of agricultural intellectualization, and discloses a fruit tree growth monitoring system based on multi-sensor fusion, which comprises a multi-mode sensor array, an integrated soil humidity sensor, a three-dimensional ultrasonic ranging sensor, a hyperspectral imaging sensor and a microenvironment meteorological station, and realizes multi-parameter synchronous acquisition; a nonlinear data calibration model adopts a layered architecture, and cross interference between sensors is eliminated; a dynamic weight distribution algorithm is built in the edge computing node, multi-source heterogeneous data are fused in real time, a fruit tree growth situation map is generated, and a low-power-consumption processor is adopted to support lightweight AI model deployment; the self-adaptive power supply module adopts a photovoltaic-temperature difference composite power generation structure to realize cable-free deployment; the wireless ad hoc network communication unit constructs an inter-tree relay network based on a LoRa protocol, supports low-power-consumption remote data return, and integrates a relay node health degree evaluation mechanism. The real-time performance of fruit tree growth monitoring, the data reliability and the situation analysis accuracy are improved.

The in-vehicle device for receiving time synchronization information transmitted from each of a plurality of reference devices and transmitting the received time synchronization information to another device, includes: a communication unit configured to communicate with the other device; and an information processing unit configured to, if the communication unit receives a frame in which the time synchronization information is stored, store the time synchronization information in a specific queue with priority over other information, wherein the communication unit transmits the time synchronization information stored in the specific queue to the other device.

A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a communication unit configured to communicate with the wireless power receiver; and a controller, wherein the communication unit receives a plurality of packets including a foreign object detection (FOD) status packet from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the communication unit transmits, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, and wherein the plurality of packets further include at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a configuration packet, an identification packet for transmitting receiver identification information, an extended identification packet, a general request packet, a special request packet, a control error packet, a renegotiation packet, a 24-bit received power packet, an eight-bit received power packet, and a charging status packet.

The invention relates to the technical field of intelligent terminals, in particular to an intelligent terminal power consumption optimization method based on active and passive identification, which comprises the following steps: passive identification acquires a first signal data set by means of a low-power-consumption wireless communication unit and based on a low-power-consumption wake-up mechanism, active identification period and passive cooperative on-demand wake-up are carried out, and cooperative data acquisition is carried out; carrying out standardized preprocessing on the data, and carrying out weighted fusion on passive electromagnetic and active characteristics according to scene priorities to generate a comprehensive scene vector; querying a predefined strategy mapping table based on the current scene category, obtaining a strategy identifier uniquely associated with the category, and loading a corresponding strategy execution parameter set from a strategy library according to the strategy identifier; analyzing the strategy parameter, generating a time sequence instruction, executing clock gating on the target hardware unit in sequence, and sending instructions by the power supply and the bus arbiter to complete power consumption state switching. The accuracy of scene judgment is improved through an active and passive fusion mechanism, and power consumption regulation and control deviation caused by scene misjudgment is effectively avoided.

The invention discloses an unmanned aerial vehicle autonomous cluster cooperative control system based on swarm intelligence, and belongs to the technical field of unmanned aerial vehicle control. The control system comprises an unmanned aerial vehicle cluster which is composed of a plurality of unmanned aerial vehicles with autonomous flight capability; each unmanned aerial vehicle is provided with a sensing unit, a navigation and flight control unit, a communication unit and a cluster cooperative control unit; a group intelligent decision module based on an ant algorithm is arranged in the cluster cooperative control unit and comprises a virtual pheromone generation and updating sub-module, a local decision sub-module and a task planning and cooperative sub-module; the system provided by the invention takes swarm intelligence as a core, realizes distributed decision-making through a virtual pheromone field, avoids communication and computing power bottlenecks of centralized control, and also can enable a cluster to autonomously emerge a global optimization behavior. Through dynamic role allocation, task decomposition and priority scheduling mechanisms, resources can be adaptively allocated along with task progress; and the collaborative behavior pheromones strengthen the efficient path, so that the execution efficiency of the cluster in the complex task is remarkably improved.

The invention relates to the technical field of intelligent monitoring of drop-out fuses, in particular to an integrated intelligent monitoring device and method for a drop-out fuse, and the device comprises a measurement module which is used for measuring the voltage and current analog signals of the incoming and outgoing line ends of the drop-out fuse; the peripheral controller is connected with the measuring module and is integrated with an AD acquisition unit, a data processing unit, a GPS positioning unit and a wireless communication unit; and the power supply module is connected with the peripheral controller and is used for supplying power to the device. The system has the beneficial effects that a plurality of key functions such as voltage and current acquisition, data processing, GPS positioning and wireless communication are highly integrated in a compact device, so that the size and installation complexity of equipment can be greatly reduced, the overall reliability and stability of the system can be effectively improved, and meanwhile, the failure rate of the equipment is reduced.

A heating element test board and a heating element test system are applied to the technical field of heating element test, and the heating element test board comprises a processor, a communication unit and a heating element test unit. The heating body test unit is used for being connected with a to-be-tested heating body and realizing a preset test function on the to-be-tested heating body; the communication unit is provided with a communication access end and a communication cascade end, and the communication access end is connected with the communication cascade end; the communication access end is used for being connected with a communication end of an upper computer or being connected with a communication end of a heating element test board of a previous cascade, and the communication cascade end is used for being connected with a communication end of a heating element test board of a next cascade; and the processor is respectively connected with the heating body testing unit and the communication unit. The plurality of heating element test boards can be cascaded based on the communication unit, and the plurality of cascaded heating element test boards can be connected and communicated with the upper computer, so that the test efficiency is improved.

An information processing device according to the present disclosure comprises a control unit and a communication unit. The control unit acquires a contract profile held by a subscriber identification medium mounted on each of a plurality of terminal devices. The control unit holds a plurality of contract profiles in different electronic subscriber identification media, respectively. The control unit selects an electronic subscriber identification medium to be used for communication. The communication unit performs communication according to a contract profile held by the electronic subscriber identification medium.

A communication device comprising: a control unit that, on the basis of whether simultaneous operations are supported, said simultaneous operations being a transmission operation or a reception operation on a first link between a base station and the communication device, and a transmission operation or a reception operation on a second link between the base station and the communication device, said second link being used for forwarding between the base station and a terminal, controls the transmission operation or reception operation on the second link; and a communication unit that performs signal transmission or reception on the second link in accordance with the control of the control unit.

The invention discloses a cloud edge collaborative information interaction processing device, method and system with an endogenous security architecture. The equipment comprises a main processor, a hardware security chip, a programmable logic unit, a communication unit and an equipment management unit. A trusted execution environment is constructed in the hardware security chip and is in isolated communication with a common execution environment of the main processor through a security bus, a security computing engine, a remote attestation module and a trusted key warehouse are arranged in the trusted execution environment, and the programmable logic unit is directly controlled by the trusted execution environment to realize dynamic hardware acceleration. The communication unit is provided with independent interfaces which are connected with the two execution environments respectively, unification of hardware-level security isolation and efficient cooperative computing is achieved, and the problems of privacy disclosure and untrusted process in cloud edge collaboration are solved.

Properly switching between charging and power supply. [Solution] The control device for the electric vehicle is a control device for an electric vehicle equipped with a drive battery capable of charging and supplying power to and from the EVSE. The control device comprises a processor and a communication unit that communicates with the EVSE. When predetermined conditions for performing charging and supplying power between the EVSE and the drive battery are met (if the result is YES in step S116 of Figure 3), the processor controls the communication unit to communicate that it will switch to a charging and supplying mode in which it will charge and supply power to and from the EVSE (step S117 of Figure 3). If the predetermined conditions are not met, the processor controls the communication unit to communicate that it will switch to a charging mode in which the EVSE will charge the drive battery.

A power transmitter for wireless power transfer includes a control and communications unit, a vehicular power input regulator, an inverter circuit, at least one coil, a shielding, a housing, and a removable front plate. The housing is configured to house, at least in part, one or more of the control and communications unit, the invertor circuit, the at least one coil, the shielding, or combinations thereof. The removable front plate is configured to mechanically connect to the housing, the removable front plate including at least one magnet, the at least one magnet configured to attract a receiver magnet when a power receiver is proximate to the removable front plate.

To provide a communication device or a water meter capable of providing dynamic water pressure.SOLUTION: Provided is a communication device 100 including an acquisition unit 175 for acquiring a flow rate from a water meter 200 or a slave device 100B, a communication unit 160 for communicating with a center 300, and a control unit 110 for calculating dynamic water pressure from the flow rate and transmitting the dynamic water pressure to the center via the communication unit.SELECTED DRAWING: Figure 2

The invention discloses a direct current motor control and automatic detection system and method, the system comprises an upper computer, a lower computer and a CAN bus communication unit, the upper computer comprises a calibration module, a position control module, a self-inspection module and a communication interface, and the calibration module is used for initiating an automatic calibration instruction and receiving and displaying a calibration result; the position control module is used for generating a target position instruction and receiving and dynamically displaying the real-time position of the motor; the self-checking module is used for initiating a one-key self-checking instruction and displaying a self-checking result; the lower computer comprises a main control chip, the main control chip is provided with an H-bridge driving circuit and an encoder acquisition circuit, the H-bridge driving circuit is used for driving the direct current motor to rotate forwards and backwards, and the encoder acquisition circuit is used for acquiring motor position signals; the CAN bus communication unit is connected with the communication interface of the upper computer and the main control chip of the lower computer through the USB to CAN module; according to the invention, faults can be automatically detected in the production and use processes of the DC motor, and the efficiency of production personnel and the product quality are improved.

The invention relates to the technical field of unmanned aerial vehicle application, and discloses a multi-degree-of-freedom dynamic light field system based on an unmanned aerial vehicle, a cooperative control method of the multi-degree-of-freedom dynamic light field system and a dynamic light field device. The ground control station is used for editing programs and sending instructions; the unmanned aerial vehicle group is composed of a plurality of unmanned aerial vehicles carrying the dynamic light field devices; the communication unit is used for establishing a data link between the ground control station and the unmanned aerial vehicle group; and the main controller on each unmanned aerial vehicle sends cooperative control signals to the flight control system, the first driving mechanism and the second driving mechanism of the unmanned aerial vehicle. Through the synergistic effect of the first driving mechanism and the second driving mechanism, the rotation of the rotating drum in the vertical direction can be controlled, and meanwhile, the rotation of each ball head assembly in the horizontal direction can also be controlled, so that irradiation of each laser module in different azimuth angles within a certain angle range can be realized, and the display effect of the unmanned aerial vehicle group light curtain is improved.

There is provided a sensor unit for a fastener assembly, the sensor unit comprising a mounting arranged to rigidly attach the sensor unit to, or adjacent to, a fastener assembly; and a sensor, that is an optical flow sensor or an inductive sensor, configured to sense movement of the fastener assembly. The sensor unit may comprise a processor arranged to process the output of the sensor to detect loosening of the fastener assembly and to output a signal representing the status of the fastener assembly. The sensor unit may comprise a wireless communication unit arranged to communicate the signal.

A moveable and demountable workpiece processing bench includes a hollow mounting beam for mounting equipment, a workpiece processing tool releasably mounted on the mounting beam, a positioning arm which is mounted movably in a longitudinal direction inside the hollow mounting beam and which includes a workpiece stopper at an end distal from the workpiece processing tool, and a drive unit, mounted on the mounting beam. The drive unit includes displacement means configured to move the positioning arm to a desired position. The displacement means includes a gear drive, which engages in a rack of teeth on the positioning arm to move the positioning arm to a desired position; and a length control unit for controlling the displacement means. The length control unit includes a length gauge configured to measure the length Lmeasured from the workpiece stopper to a predetermined surface of the workpiece processing tool; and a wireless communication unit configured to at least receive information from a user-controlled device about a desired length of Lworkpiece from a first end of a workpiece to a processing position on the workpiece. The length control unit is further configured to position the workpiece stopper of the positioning arm at a desired length Lworkpiece from the workpiece processing tool, by moving the positioning arm until Lmeasured=Lworkpiece so that the workpiece can be processed at a desired length Lworkpiece from the first end of the workpiece when it rests against the workpiece stopper.

The invention relates to the technical field of communication, in particular to a dual-mode anti-interference method based on HPLC (High Performance Liquid Chromatography) and HRF (High Frequency), which is applied to a communication system comprising a concentrator and a plurality of dual-mode communication units, and comprises the following steps: acquiring basic transmission parameters, channel response characteristics and interference characteristic information of the dual-mode communication units through an HPLC channel and an HRF channel; respectively obtaining an HPLC channel quality score and an HRF channel quality score according to the basic transmission parameters and the channel response characteristics; and dynamically selecting a target transmission strategy from a plurality of preset candidate transmission strategies according to the HPLC channel quality score, the HRF channel quality score and the interference feature information. The method can dynamically adapt and cooperatively schedule the HPLC channel and the HRF channel, thereby improving the data transmission reliability and transmission efficiency in a complex power utilization environment.

An electronic punching bag device for enhancing training for a boxer includes a punching bag which includes a plurality of chains for suspending the punching bag from the suspension for a boxer to deliver punches to the punching bag. A display screen is wrapped around the punching bag to display imagery that is visible to the boxer. A communication unit is integrated into the punching bag and the communication unit receives data from a personal electronic device comprising photographic imagery or video imagery which is displayed on the display screen. A plurality of pressure sensors is each integrated into the punching bag to sense the pressure of the punches delivered by the boxer.