406 results about "Line sensor" patented technology

The invention discloses a gradient optimization control method for an aeration system of a sewage plant. The gradient optimization control method comprises the following steps: S1, acquiring key monitoring multi-source data of the aeration system of the sewage plant in real time through an online sensor; s2, setting a security threshold value of each monitoring data to form a security constraint condition; s3, taking unit nitrogen removal energy consumption minimization as an optimization target, and constructing a comprehensive loss function fusing an energy consumption item and a water quality deviation item; s4, iteratively updating the air volume of the aeration system by adopting a self-adaptive gradient algorithm; s5, the optimized and updated air volume is issued to the aeration equipment to be executed, and water quality data and energy consumption data after execution are collected in real time, a control effect is calculated, an award signal is generated, and the award signal serves as feedback to be input into an optimization module; and S6, dynamically adjusting key parameters including the learning rate and the gradient threshold according to a feedback result. According to the invention, the energy consumption can be effectively reduced and the control precision can be improved while ensuring that the effluent stably reaches the standard, and the stable operation of the aeration system of the sewage plant under a complex working condition is ensured.

The invention relates to an underwater wireless sensor network path sensing routing method based on deep reinforcement learning, which comprises the following steps that: firstly, a node constructs and periodically updates a transmission preference model based on local and neighbor node interaction information; secondly, deploying a deep reinforcement learning model at each underwater sensor node to perform distributed routing strategy learning; and finally, generating a global guide vector by the sink node according to the routing path information of the received data packet, reversely spreading the global guide vector to the source node, fusing the global guide vector with a local transmission preference vector of the node to generate a guide reward, optimizing the deep reinforcement learning model, and updating a routing strategy. According to the method, the problems of difference and complexity of underwater transmission tasks can be solved, and the network data transmission efficiency and the overall service quality are improved in combination with local preference and global guidance while the node online learning is kept to adapt to the dynamic underwater environment.

The invention relates to the technical field of flour production line safety supervision, in particular to an intelligent flour production line safety supervision system based on a cloud platform. The system comprises a data acquisition module, a risk assessment module, a decision module and an execution and repair module. The system calculates an instantaneous physical risk by acquiring production line sensor data and an HMI operation log; the core of the method is that trust deficit of an operator is quantified based on an HMI operation log, and the bypass probability of safety interlocking is predicted according to the trust deficit; when the instantaneous physical risk exceeds a preset threshold value, the system executes a final action according to whether the trust deficit exceeds the threshold value or not; according to the method, the operator trust state is evaluated, and the problem of systematicness failure caused by the fact that a traditional system neglects the consideration of human factors and is easily bypassed is solved.

The invention provides a degradable and stretchable wireless sensor with a multilayer circuit and a preparation method of the degradable and stretchable wireless sensor. The wireless sensor comprises an integrated folding structure and a packaging layer, the integrated folding structure comprises a plurality of layers of snakelike wire structures and a plurality of electrode plates; the snakelike wire structure provides inductance, and the electrode plate provides capacitance; the snakelike wire structure is formed by a planar and multi-cycle snakelike wire structure formed by a biodegradable metal and biodegradable polymer composite layer through multiple times of 180-degree twisting and folding, and patterns of the snakelike wire structure are overlapped after folding so as to realize effective series connection of the inductance coils; the electrode plates are bonded with each other through a biodegradable dielectric layer; the snakelike wire structure adopts a neutral axis separation design at the arc section, namely, the wire width is divided into multiple strands. Reliable series connection of multiple layers of coils can be achieved, inductance is effectively increased, high-frequency resistance is reduced, and therefore wireless transmission performance is improved, and meanwhile the requirements for flexibility, stretchability and biodegradability are completely met.

A system for synchronizing and spatializing media, comprising client device and server device. A method for operation includes: tracking the real-time spatial coordinates of both devices via wireless sensors; synchronizing media playback using a timestamp-based protocol that compensates for network latency and clock offset; and applying directional audio filters, such as Head-Related Transfer Functions (HRTF), on the client device to render audio appearing to originate from server device's physical location. The method is further characterized by compensating for acoustic propagation and signal processing delays to ensure accurate spatiotemporal alignment. The system may be enhanced by a multimodal Al configured to perform operations such as real-time voice-preserving translation and the generation of synchronized, spatialized haptic feedback based on semantic event markers.

The application discloses a hybrid wave energy collection device, which comprises a spherical shell assembly composed of an upper spherical shell and a lower spherical shell, a wave energy capturing module arranged in the spherical shell assembly and used for capturing multi-directional wave energy and converting the wave energy into mechanical energy, and an energy conversion module used for converting the mechanical energy into electric energy. The wave energy capturing module converts wave motion into relatively straight-line motion and variable-radius swing motion. The wave energy capturing module comprises a moving rod, a top end of which is rotatably connected with an inner wall top end of the upper spherical shell; a support assembly, which comprises an upper support, a lower support and a plurality of connecting supports, a middle part of the upper support is provided with a through hole, a center of the lower support is provided with a mounting hole, and a bottom of the lower support is provided with a connecting rod; a sliding body, which is rotatably connected with the connecting rod, a lower end surface of the sliding body is a spherical surface and is matched with an inner wall of the lower spherical shell; the moving rod passes through the through hole of the upper support of the support assembly and is embedded in the mounting hole of the lower support; and the moving rod is coincident with a central axis of the support assembly. The application has the characteristics of strong working condition adaptability, high recovery efficiency, high power output density, high space position utilization rate and stable electric energy output and can provide power supply for low-power wireless sensors and provide a reliable technical scheme for realizing self-driving of wireless sensing equipment in water areas.

Apparatuses, systems, and methods are described for providing a sensor device. The system includes a control unit and a sensing unit. The sensing unit is coupleable to the control unit via a current loop and includes an input terminal coupleable to the current loop, at least one energy storage unit configured to be charged to a first voltage from the input terminal, a sensing element configured to sense an environmental parameter, wherein the sensing element receives power from the at least one energy storage unit at a second voltage, and wherein the second voltage is lower than the first voltage, a controller configured to receive a sensor signal from the sensing element and to generate an output signal, and an output terminal coupleable to the current loop and configured to transmit output corresponding to the output signal to the control unit via the current loop.

The utility model provides a damping device and a vehicle, and relates to the technical field of vehicle parts, and the damping device mainly comprises a damper, a stay wire connecting ring, a sensor and a stay wire. The shock absorber comprises a shock absorption supporting column base connected with a vehicle body and a shock absorption body which is connected with the shock absorption supporting column base and is in a columnar shape. The damping body can rotate around the axis of the damping body relative to the damping supporting column base. The stay wire connecting ring coaxially sleeves the outer side of part of the damping main body and is close to the damping strut seat; the sensor is fixed on the damping main body and is spaced from the stay wire connecting ring; the stay wire is connected with the stay wire connecting ring and the sensor and is parallel to the axis of the damping main body; the stay wire, the sensor, the stay wire connecting ring and the damping main body are kept relatively static; according to the embodiment provided by the invention, the stay wire is parallel to the axis of the damping main body, so that inaccurate measurement of the sensor caused by skew of the stay wire can be avoided.

The invention relates to the technical field of wireless sensor networks, in particular to a heterogeneous wireless sensor network coverage method for a mountain new energy construction site, which comprises the following steps of: constructing a three-dimensional mountain monitoring area, inputting related parameters and establishing a multi-target optimization model taking the non-coverage rate, the reciprocal of the connectivity rate and the minimum total energy consumption as targets; initializing a dung beetle population, dividing the dung beetle population into four classes, obtaining an initial coverage scheme, and screening a non-dominated coverage scheme solution set for storage; iteratively updating the positions of various types of dung beetles based on a multi-target dung beetle optimization algorithm; the current coverage scheme and the archive set are combined, the archive set is updated after non-dominated sorting, and dense solutions are discarded to guarantee diversity when the scale is over-scale; and outputting a solution set after the maximum number of iterations is reached, and selecting a target scheme to complete node deployment. The method is adaptive to complex mountain scenes, network coverage and communication quality are improved, energy consumption is reduced, local optimum is avoided, and mountain monitoring effects of high coverage, low energy consumption and strong adaptation are achieved.

This utility model discloses a low-power wireless sensor network monitoring device, including a housing, a signal transmitting mechanism, and a vibration monitoring mechanism. A fixed base is fixedly installed at the lower end of the housing, and the signal transmitting mechanism is fixedly installed at the upper end of the housing. The probe moves up and down along the inner wall of the fixed base due to the amplitude of the vibration. During the movement of the fixed base, the magnet at its upper end moves along the trajectory, thereby moving up and down inside the induction coil boss. In this process, electrical energy is generated. At the same time, the vibration monitoring mechanism detects the vibration signal. The electrical energy generated by the triggering mechanism and the vibration signal detected by the vibration monitoring mechanism are both transmitted to the signal transmitting mechanism. The electrical energy is used to wake up the signal transmitting mechanism and enable it to transmit the signal detected by the vibration monitoring mechanism. After the signal is transmitted, the signal transmitting mechanism enters sleep mode again, so that the device only transmits signals when vibration occurs, which greatly reduces the energy consumption of the device and allows the device to monitor for a long time.

The utility model discloses visual inspection equipment for a touch screen module, and relates to the technical field of touch screen module detection. The device comprises a conveyor, a conveying belt is arranged in the conveyor, a detection assembly is arranged above the conveying belt, the detection assembly comprises a top seat, stand columns are fixedly connected to the four corners of the bottom of the top seat, and the bottoms of the stand columns are fixedly connected with the top of the conveyor. The detection assembly is arranged, specifically, the motor is started to drive the rotary disc to rotate, the push shaft pushes the fixing rod upwards or downwards, and the limiting rod drives the annular lamp holder to move together at the moment, so that the illumination height of the annular light supplementing lamp is adjusted, the distance is detected in cooperation with the distance sensor, and the illumination brightness of the annular light supplementing lamp is adjusted; meanwhile, the brightness and the light intensity of the light supplementing light source are automatically adjusted according to light information collected by the light sensor, and the detection effect of the touch screen can be improved through the multifunctional light supplementing effect.

A wireless sensor system for a vehicle includes a controller, a wireless transmitter in electronic communication with the controller, a sensor, and a generator device. The generator device includes a wireless receiver in wireless communication with the wireless transmitter. The generator device further includes an electric-to-mechanical transducer in electronic communication with the wireless receiver and a piezoelectric or triboelectric generator proximate to or in contact with the electric-to-mechanical transducer. The generator device further includes an energy-storage device. The energy storage device includes an input in electronic communication with the piezoelectric or triboelectric generator, and an output in electronic communication with the sensor.

Provided are a method and a device for reconstructing lost data of marine wireless sensor networks (MWSNs). The data reconstruction method includes following steps: establishing an initial topological structure of the MWSNs; using an improved hierarchical energy balance multipath (IHEBM) routing protocol to cluster network nodes; using an improved radial basis function neural network (RBFNN) to predict lost data of nodes in the cluster based on a clustering of the nodes; and using a centralized principal component analysis (PCA) method to compress and reconstruct data of a cluster head node in a process of data transmission from a cluster head to a ship base station.

This invention discloses a wireless, passive, and visualized cerebrospinal fluid drainage tube flow monitoring sensor, system, and fabrication method, belonging to the field of biomedical sensing and microelectromechanical systems (MEMS) technology. It includes a flexible substrate, an interdigital capacitor-open resonant ring structure disposed on the substrate surface, and a microchannel pressure conversion structure bonded to it; the microchannel corresponds vertically to the position of the interdigital capacitor. The pressure generated by the cerebrospinal fluid flow drives the displacement of the liquid metal, modulating the equivalent dielectric constant of the interdigital capacitor and causing a resonant frequency shift. The frequency drift is wirelessly read by an external device, and the flow rate is calculated using an algorithm, achieving passive wireless continuous monitoring. This invention, employing the aforementioned sensor, system, and fabrication method, solves the problems of high infection risk, low accuracy, and inability to continuously monitor existing drainage monitoring methods that rely on manual observation or wired sensors. It has the advantages of high sensitivity, flexible integration, and good safety.

The invention relates to a petroleum casing pipe buckling detection method and device, a storage medium and electronic equipment, and the device comprises an elevator which can suspend and fix a first petroleum casing pipe which extends out of a wellhead and penetrates through a wellhead platform in a lifting manner; the lower casing coupling is hooped at the top end of the first oil casing; the buckling device is clamped on the lower casing coupling in an open state, and is closed and tightly contacted with the lower casing coupling after being clamped on the lower casing coupling; the wireless sensor assembly is arranged on the buckling device and used for detecting buckling angle information and buckling pressure information between an upper casing joint and a first oil casing in the buckling process that the upper casing joint of a second oil casing is buckled to the first oil casing connected with the lower casing coupling in a hooping mode through the closed buckling device. And if the buckling angle information exceeds the buckling angle range and / or the buckling pressure information exceeds the buckling pressure range, sending buckling detection abnormal information to a preset terminal device. And the buckling precision and efficiency can be improved.

The present application belongs to the technical field of helicopter dynamics test, and relates to a method and system for measuring the distance between blades of upper and lower rotors based on measured bending moment. The measured bending moment data in flight is used, and the existing blade measurement system is used. Without additional measurement equipment, the relationship between bending moment and deformation is used to establish the calibration relationship between the test bending moment and the deformation of different profiles of the blade, so as to obtain the distance between the blades of the upper and lower rotors in the real-time flight state. The method can relatively real-time monitor the distance between the blades of the upper and lower rotors in the full flight spectrum state without additional measurement equipment, and ensure flight safety. The method has the advantages of simplifying the measurement method of the blade tip distance, shorter feedback time compared with the light ray sensor and radar wave measurement, and better real-time effect.

The application relates to the technical field of intelligent control, and discloses a special line painting control method and system of an intelligent algorithm. The method comprises the following steps: collecting painting line sensor data to construct a process digital model; training a deep deterministic policy gradient network based on the model to generate a multi-parameter collaborative control instruction; executing the control instruction and generating a feedforward signal through multi-level comparison of quality data; fusing the feedforward signal and the control instruction, and forming a real-time control strategy through network correction. The application solves the problem of digital modeling based on multi-dimensional parameter mapping in special line painting control, and overcomes the problem of insufficient precision of multi-parameter collaborative control of the painting process. Through the intelligent algorithm of the deep deterministic policy gradient network and the feedforward control signal fusion mechanism, the problems of lagging detection and insufficient dynamic response of quality abnormalities in the painting process are effectively solved.

The invention discloses a marine air bottle condensate water residue discharge monitoring device based on friction nanometer power generation, which comprises a short pipe section, a fixing device, a TENG sensor unit, a wire, a sensor electronic module and a cable waterproof joint, and is characterized in that the fixing device is fixed on the inner wall of the short pipe section, the TENG sensor unit is fixed in a clamping groove of the fixing device, and the wire is fixed on the TENG sensor unit; the sensor electronic module is fixed on the short pipe section, one end of the cable waterproof joint is connected to the short pipe section, the other end of the cable waterproof joint is connected with the sensor electronic module, the TENG sensor unit is connected with the sensor electronic module through a wire, and the wire is led out of the short pipe section from the cable waterproof joint to be connected to the sensor electronic module. The marine air bottle condensate water residue discharging monitoring device based on friction nanometer power generation can be arranged in a short pipe with a small drift diameter, space is saved, through module design, elements are convenient to install and replace, the structure is simple, material selection is not limited, corrosion resistance is achieved, pollution to the environment is reduced, the manufacturing cost is low, the customizable degree is high, and limitation of ship types is avoided.

The O-ring appearance inspection apparatus of the present invention is an appearance inspection apparatus for inspecting an O-ring K, and includes a plurality of line sensor cameras whose positions and orientations are preset to image-capture the O-ring K, and a holding device that holds the O-ring K and has a head unit rotatable about a rotation axis C1, wherein the holding device sequentially moves the O-ring K to a plurality of image-capturing positions P respectively corresponding to the plurality of line sensor cameras, and rotates the head unit about the rotation axis C1 at each image-capturing position P to rotate the O-ring K in a circumferential direction.

The invention provides a self-powered wireless sensor node energy efficiency control method and system for an indoor weak light scene, and belongs to the technical field of self-powered wireless sensors of the Internet of Things. Comprising the following steps: constructing an energy collection and energy perception calculation model which comprises an energy collection module, an energy perception calculation module, an energy prediction module and an energy management module; the energy sensing calculation module dynamically adjusts the capacitor capacity by using a temperature correction model in the process of calculating available energy according to the super-capacitor voltage; the energy prediction module performs prediction by adopting a mixed entropy weight rolling adaptive energy prediction algorithm based on low energy density and high-frequency fluctuation characteristics of an indoor weak light scene, and dynamically adjusts a prediction weight according to an energy fluctuation condition by distinguishing situations, controlling dormancy and quantifying energy fluctuation. Balancing the indoor energy prediction precision and the energy consumption in the energy collection process; and the energy management module performs energy efficiency control based on the model, calculates an energy prediction value of the next time slot and performs working mode control of the node.

The utility model discloses a grab bucket state monitoring wireless sensor, which comprises a main control module, a temperature sensor circuit, a pressure sensor circuit, an angle sensor circuit and an ROLA wireless transmitting board, and is characterized in that the main control module comprises a main control board, a temperature sensor butt joint circuit, a pressure sensor butt joint circuit and an angle sensor butt joint circuit; the temperature sensor circuit is connected with the main control board through the temperature sensor butt joint circuit, the pressure sensor circuit is connected with the main control board through the pressure sensor butt joint circuit, and the angle sensor circuit is connected with the main control board through the angle sensor butt joint circuit. The hydraulic oil temperature and the hydraulic oil pressure of the grab bucket and the inclination angle of the grab bucket are monitored at the same time. Therefore, the wireless sensor has the temperature sensing function, the pressure sensing function and the angle sensing function at the same time, the hydraulic oil temperature, the hydraulic oil pressure and the inclination angle of the grab bucket can be monitored at the same time, the efficiency of monitoring various state parameters of the grab bucket is improved, and safe operation of the garbage grab bucket is guaranteed.

The application relates to the technical field of Internet of Things data processing, and discloses a local reasoning and abnormality detection method for a wireless sensor network, which comprises the following steps: constructing a hypergraph model according to a sensor node set in the sensor network and corresponding association relations, and defining an energy function; applying a sensitivity constraint to the potential function, so that the potential function satisfies a bounded difference condition; determining a constraint range of coupling strength and a truncation order m; performing local deterministic approximate reasoning to obtain a conditional edge probability of a target sensor node; calculating an abnormality score of the target sensor node, and performing abnormality detection. In the wireless sensor network, a hypergraph Gibbs model with a sensitivity constraint is constructed, and based on strong spatial mixing ensured by theory, the application realizes the probability reasoning of a deterministic error bound only by relying on a limited-step local communication, so that the explainable abnormality detection and positioning are completed on a resource-limited edge device.

The invention discloses a modularized automobile intelligent light-emitting sealing strip system and a control and manufacturing method thereof. The system comprises: a base module having a built-in channel; the optical engine module is integrated in the built-in channel in a pluggable mode and comprises a partition light source unit, a gradient light guide body and a light sensor; and a light-transmitting outer cover module. According to the intelligent dodging control method, brightness distribution is sensed in real time through a sensor network, light source output is adjusted based on dynamic feedback and a partition cascade compensation algorithm, and self-adaptive optical compensation is achieved. According to the integrated manufacturing method, high-efficiency and high-consistency production is realized through optical engine prefabrication, matrix co-extrusion molding, modular integration and an online optical calibration process. According to the invention, the inherent contradiction between the light emitting function and the sealing function is solved, and high-reliability, high-uniformity and intelligent dynamic illumination and interaction for the vehicle are realized.

The embodiment of the present specification provides a device screen adjustment method and device, wherein the device screen adjustment method comprises the following steps: receiving a service access request submitted by a user device, querying a service identifier corresponding to the service access request, and returning the service identifier to the user device; obtaining ambient light data collected by a light sensor of the user device, and determining a service scene type for displaying the service identifier; determining a screen adjustment strategy suitable for the service scene type based on service data containing the ambient light data; and issuing the screen adjustment strategy to the user device to adjust screen display parameters of the user device.

The present disclosure relates to the management of dynamic polling rates of sensors. A thermal management system is described that is configured to dynamically change the polling rate of wireless sensors within a data center environment over time. Sensors that then provide temperature, humidity, and dew point readings are used to cause an increase or decrease in the cooling power of cooling equipment in the data center environment, enabling the cooling equipment to be more reactive to the varying overall utilization of computing resources within the data center environment. As the computing power used by the computing resources fluctuates at a non-static rate within the data center, the thermal management system adjusts the polling rate of the sensors with the rise or fall of the production cycle, making the overall data center environment more efficient.

An industrial wireless sensor system, includes: a sensor sensing an external physical state and outputting a sensing signal; a sensor controller converting the sensing signal from the sensor, converting the sensing signal into a digital signal, and outputting the digital signal; a wireless communication unit receiving the digital signal from the sensor controller, converting the digital signal into a wireless signal, and outputting the wireless signal to a factory controller; a power source supplying power to each of the sensor and the sensor controller; and a battery connected to the power source.

A sensing system includes a first wireless sensor device configured to generate sensor data on an object of interest and communicate with a first wireless node, the first wireless node configured to communicate with the first wireless sensor device and a section node, and the section node configured to communicate with the first wireless node and a server, and the server. The first wireless node is located within a communication range of the first communication interface of the first wireless sensor device and is configured to receive the generated sensor data. The first wireless node analyzes the received sensor data to determine whether events relevant to the object of interest have occurred.

The invention discloses an electric vehicle instrument light regulation and control device. The device comprises a processor, a light sensor, a backlight circuit, a display screen, a controller and an indicator light assembly. Wherein the processor is respectively connected with the light sensor, the backlight circuit, the controller and the indicator light assembly; the output end of the backlight circuit is connected with the input end of the display screen; a plurality of communication interfaces are arranged on the processor, and the processor is connected with the controller through the communication interfaces; the plurality of communication interfaces include but are not limited to at least one of an integrated service digital network communication interface, a 485 communication interface and a CAN communication interface. According to the embodiment of the invention, the plurality of communication interfaces are arranged on the processor, so that the reliability and stability of data communication in the light regulation and control device can be effectively ensured, and the light regulation and control efficiency can be effectively improved.

The invention discloses a real-time self-driven wireless sensor based on a friction nano-generator. The real-time self-driven wireless sensor comprises the friction nano-generator, a discharging device, a sliding capacitive displacement sensor, an inductance coil and a receiving circuit, the sliding capacitive displacement sensor and the inductance coil form a parallel LC resonance circuit, and the friction nano generator supplies power to the LC resonance circuit through the discharge device; the sliding capacitive displacement sensor comprises an upper conductive flat plate and a lower conductive flat plate which are oppositely arranged, and at least one dielectric material layer located between the upper conductive flat plate and the lower conductive flat plate; the upper conductive flat plate is connected with a to-be-measured structure, the lower conductive flat plate is connected with the fixed end, and when the two conductive flat plates relatively displace, capacitance formed by the two conductive flat plates changes, so that the resonant frequency of the LC resonant circuit changes, and a mapping relation exists between the resonant frequency and displacement; the LC resonance circuit wirelessly transmits a resonance signal carrying displacement information, and the receiving circuit receives the resonance signal and analyzes the frequency to obtain the displacement information.