87results about How to "Reduce hardware costs" patented technology

This invention discloses a method for restoring turbulent degradation images based on complex amplitude detection, belonging to the field of computational optics imaging technology. This method constructs a computational optics imaging system without a hardware correction unit. It utilizes a wavefront sensor and an imaging sensor to simultaneously acquire Hartmann images and target degradation images. A computational unit performs wavefront complex amplitude reconstruction and aberration correction. Based on this, a physically constrained end-to-end neural network architecture is designed. By reconstructing the wavefront complex amplitude, it achieves accurate mapping and inference from the Hartmann image to the point spread function of the imaging system. Finally, a multi-scale deconvolutional network is combined to complete high-quality restoration of the turbulent degradation image. This invention eliminates the need for a hardware corrector, overcomes the physical limitations of traditional adaptive optics, effectively solves the problem of insufficient point spread function accuracy, and enables time-delay-free and highly efficient turbulent image restoration under low-cost conditions.

The application discloses an LED display control card and a display device, the display control card comprising: a data processing module having a video and image processing unit and an audio processing unit; a video input interface for receiving an external video signal, the video input interface being connected with the video and image processing unit; a first output interface for connecting an LED display screen; a timing control module connected between the data processing module and the first output interface, the timing control module being used for providing a driving signal to the LED display screen; a microprocessor connected with the data processing module and the timing control module; wherein, the microprocessor pre-stores parameter configuration information of the LED display screen corresponding to the LED display control card, and the data processing module and the timing control module process the video signal according to the parameter configuration information to form a required driving signal to drive the LED display screen. The display control card and the display device of the application are not only low in cost, but also compatible with various third-party devices, meeting the requirements of various scenes.

The application relates to the technical field of LED circuit, in particular to a lamp color adjusting circuit with a thyristor light modulation module, which comprises a rectifier circuit, a multi-grade dial code color adjusting circuit, a frequency flash removing circuit, a thyristor current discharge circuit and a constant current light modulation circuit. The rectifier circuit converts an alternating current power supply into a direct current voltage to supply power to a circuit system. The multi-grade dial code color adjusting circuit adjusts the current distribution of LED lamp beads through a dial code switch and a second group of resistors, generates a color adjusting signal, carries out low-pass filtering and dynamic compensation on the color adjusting signal, and outputs a pure control signal to the thyristor current discharge circuit. The thyristor current discharge circuit adjusts a current path according to the control signal to provide a smooth and adaptive power supply for the constant current light modulation circuit. The constant current light modulation circuit realizes constant current output. The design significantly reduces the hardware cost and the complexity of the circuit system, effectively suppresses electromagnetic interference in combination with the low-frequency modulation characteristics of the thyristor, and realizes the balance between light modulation precision and the stability of the circuit system.

This invention discloses a gas-liquid detection device, method, and system based on the near-field load characteristics of an ultrasonic transducer, belonging to the field of underwater state monitoring and ultrasonic sensing technology. The device includes: an ultrasonic transducer that emits ultrasonic vibrations and receives near-field electroacoustic response signals; an excitation circuit that applies a pulse excitation signal to the ultrasonic transducer; an acquisition circuit that acquires near-field free oscillation signals at both ends of the ultrasonic transducer within a preset time window after the excitation ends; and a signal processing module that extracts time-domain feature parameters from the acquired near-field free oscillation signals, compares the extracted feature parameters with a preset threshold, and outputs a state indicator indicating whether the ultrasonic transducer is currently in a gaseous or liquid medium. The time-domain feature parameters are used to characterize the amplitude or attenuation characteristics of the near-field free oscillation signal. This invention requires only a single ultrasonic transducer, eliminating the need for a reflective surface or dual transducers, and has advantages such as simple structure, strong anti-interference capability, fast response speed, low power consumption, and high detection accuracy.

This invention relates to a fluid velocity and flow rate detection device, and pertains to the field of fluid detection technology. The device includes: a fixed small steel plate and an elastic sensing unit; both the fixed small steel plate and the elastic sensing unit are disposed inside the fluid pipe to be detected; wherein, the lower end of the fixed small steel plate is fixedly connected to the inner wall of the fluid pipe, and a fixing part is provided at its upper end; the elastic sensing unit includes at least two elastic steel plates, one end of each elastic steel plate converging and connecting to the fixing part, and the elastic steel plates are radially distributed with the fixing part as the center; a first sensor is assembled at the other end of each elastic steel plate. This invention has a wide range of applicable media, strong anti-interference ability, and stable detection.

This utility model discloses a gripping and rotating coordinated apple-picking end effector, installed at the end of a picking robotic arm, comprising a cylindrical housing, a linear motor, a transmission mechanism, and a gripper assembly. The transmission mechanism converts the linear motion output by the linear motor into linear and rotational motions. The gripper assembly opens and rotates via an upward motion, and closes and rotates in the opposite direction via a downward motion to twist and break the fruit stem. The transmission mechanism uses a pin sleeve in cooperation with a central groove shaft, and achieves step-by-step movement through a spiral groove and a limiting groove structure. The gripper assembly completes clamping and twisting through a guide ridge and a hinge seat. This design simplifies the drive structure, reduces costs, improves reliability and picking efficiency, and is suitable for apple picking scenarios with short stems and dense branches.

The utility model discloses an asymmetric cooperative control three-phase balance motor soft starter, comprising a three-phase AC power supply input end, a power adjusting unit, an output end connected to a three-phase asynchronous motor, and a main controller which are connected in sequence. The power adjusting unit comprises an A-phase control module which is internally provided with a first thyristor at least controlled by a main controller; the B-phase control module is internally provided with a pair of antiparallel second thyristors controlled by the main controller; and the C-phase control module is internally provided with a pair of third thyristors which are controlled by the main controller and are reversely connected in parallel. The main controller cooperatively controls the conduction angles of the first thyristor, the second thyristor pair and the third thyristor pair in the starting process of the motor by outputting a control signal so as to adjust the voltage applied to the motor and improve the balance of the three-phase output voltage. According to the utility model, the three phases are controlled, so that the three-phase balance during starting is effectively improved, and the vibration and noise of the motor are reduced.

This invention provides a multi-channel image sensor data transmission system and optoelectronic system based on FPGA-PCIe, belonging to the technical field of video processing and acquisition systems. The multi-channel image sensor data transmission system includes an FPGA circuit board, external memory, and a back-end image processing platform. The FPGA circuit board includes an integrated image processing module, a bus control module, and a PCIe interface control module. Utilizing an FPGA to process and acquire multiple sensor video streams saves hardware costs and circuit board area. It also ports various operation operators to the FPGA, enabling real-time processing and acquisition of the currently transmitted video stream, improving the real-time performance of the operation. Simultaneously, it achieves control and transmission of multiple video streams, meeting the requirements for data transmission agility and high speed. This solves the problem in existing methods where inconsistent video resolutions and frame rates from different image sensors lead to insufficient data bandwidth to meet protocol requirements, resulting in the inability of PCIe devices at both ends of the FPGA to communicate normally.

The invention provides a defrosting control method and system for a variable-frequency air heat pump unit, and the method comprises the steps: building a standard suction pressure dynamic reference of the system under different environment temperatures and loads, calculating the attenuation value of the current actual suction pressure relative to the reference in real time, and precisely quantifying the system energy efficiency reduction degree caused by frosting; when the energy efficiency attenuation value exceeds the threshold value and the environment temperature meets the frosting condition, defrosting is triggered; according to the air source heat pump defrosting method, the defects that a traditional defrosting method based on time and temperature is high in misoperation rate and large in energy consumption are fundamentally overcome, the complexity of an energy efficiency evaluation method depending on waterway parameter calculation is also avoided, accurate control of high efficiency with frost and no frost mistake is achieved, and the operation energy efficiency, reliability and user experience of the air source heat pump are remarkably improved.

This invention proposes a method and apparatus for improving the accuracy of fundamental frequency metrology. The apparatus includes: a UART module for sending the number of clock cycles (baud_cnt) required to transmit one symbol to a calculation module and a control module; a calculation module for calculating the frequency offset of the fundamental frequency (RCH) and, based on the RCH frequency offset, calculating the bandpass filter coefficient (b) in the fundamental frequency metrology device using a pipelined approach, and adjusting the bandpass filter based on the bandpass filter coefficient (b); a control module for process control of the pipelined approach; and a register for receiving and storing relevant data during the operation of the UART module, calculation module, and control module. The method employs the aforementioned apparatus for improving the accuracy of fundamental frequency metrology to calculate the bandpass filter coefficient (b) and adjust the bandpass filter accordingly.

This invention discloses a communication circuit for indoor and outdoor units of an air conditioner, a multi-split air conditioner, and a communication control method thereof. The communication circuit includes: an outdoor unit receiving circuit; multiple outdoor unit transmitting circuits, which are connected in parallel and then in series with the outdoor unit receiving circuit to the same communication bus; each outdoor unit transmitting circuit is used to connect to one indoor unit; and a transmitting selection circuit, whose input is connected to the outdoor unit controller, and whose multiple outputs are respectively connected to the control terminals of each outdoor unit transmitting circuit. The transmitting selection circuit selects one of the outdoor unit transmitting circuits according to the control signal of the outdoor unit controller, so that the corresponding indoor unit establishes a communication connection with the outdoor unit controller through the communication bus. This invention reduces the number of outdoor unit receiving circuits from N to 1 by reusing the outdoor unit receiving circuit, significantly simplifying the outdoor unit communication circuit structure of multi-split air conditioners, reducing controller space occupation, and lowering hardware costs.

The application provides a leakage detection method of a fuel evaporation system and an electronic device, and is applied to a fuel evaporation system of a vehicle. The method comprises the following steps: when the parking time of the vehicle exceeds a first preset time length, and the enabled working condition of the fuel evaporation system is normal, the vacuum degree of a first space in which a first electric control valve is in a closed state is obtained; a first diagnosis strategy or a second diagnosis strategy is selected according to the vacuum degree, and leakage detection is performed on the first space and a second space to obtain a detection result, wherein the first diagnosis strategy is a diagnosis strategy corresponding to that the first space has no leakage when the absolute value of the vacuum degree is greater than a first preset threshold. In this way, an air pump does not need to be additionally arranged, so that the hardware cost of the system is reduced. In addition, different diagnosis strategies are beneficial to improving the diagnosis completion rate. Since the first space of the fuel evaporation system rarely leaks, the frequency of using the first diagnosis strategy is usually high, and the detection process of the first diagnosis strategy is less, so that the diagnosis efficiency is improved.

The application discloses a liquid level height automatic calculation method and system based on spectral characteristics, a medium and equipment, and particularly relates to the technical field of container liquid level automatic calculation and dynamic monitoring. The method improves the algorithm through spectral curve change point detection, accurately captures the spectral feature difference between gas phase and liquid phase through spectral sequence modeling, introduces the running length index and dynamic updating mechanism, filters out the real gas-liquid interface change point through the multiple check mechanism to filter the false change point, infers the type according to the mean difference before and after the change point and the running length change, takes the clear mutation point or the midpoint of the gradual transition zone as the interface, combines the pixel resolution and the bottom starting position, and obtains the actual liquid level height through formula calculation, establishes the conversion relationship between the pixel quantity and the actual liquid level height through the proportional relationship between the image axis pixel number and the absolute height of the container, and finally takes the average value of the calculation results of three wave bands as the absolute height of the liquid level based on the pixel number of the spectral curve feature point.

This application discloses a joint motor control method, electronic device, and storage medium. By placing a position sensor only in the reducer, the internal structure of the joint is simplified, reducing the space requirement for position sensor installation, thereby reducing assembly difficulty and hardware cost. In cases where reducing the number of position sensors leads to less position detection data and the position sensor detection results lag behind the motion state of the drive motor, joint motion parameters are acquired, including the position parameters collected by the position sensors. Based on the joint motion parameters, a motor rotor angle is generated using a preset virtual axis model. The drive motor rotation is controlled according to the motor rotor angle, which is directly related to the actual position of the load end, ensuring high-precision control of the joint motor.

The utility model discloses a kind of continuously pressurized stable liquid supply systems, comprising: chemical distribution module is connected with external nitrogen pipeline, the output of the chemical distribution module is communicated with control box, the output of the control box is communicated with valve group box, the output of the valve group box is communicated with process machine platform;The chemical distribution module includes pressure sensor and PLC module, the pressure sensor is located at the output of chemical distribution module;The pressure sensor is electrically connected with PLC module.Beneficial effect: improve liquid supply precision, by real-time monitoring the pressure of chemical distribution module chemical distribution module outlet, and according to pressure change automatic control start-stop of liquid supply pump, effectively keep system pressure stable in set range, to realize the accurate supply of chemical, meet the high-precision requirement of chemical consumption control in production process.

The present disclosure provides an audio processing method, a system chip and an audio processing system. The audio processing method comprises: obtaining audio playing data and writing the audio playing data into a first buffer; caching the audio playing data in the first buffer into a second buffer as audio back sampling data; outputting the audio playing data in the first buffer to the outside for playing; obtaining audio recording data collected during the playing and writing the audio recording data into a third buffer; and generating audio processing data based on the audio back sampling data in the second buffer and the audio recording data in the third buffer. The present disclosure back samples the output audio playing content through a DMA path without a hardware back sampling circuit, significantly reduces the hardware cost of the whole system, and makes the system more easily extended and integrated into various application scenarios.

The utility model belongs to test equipment technical field mainly relates to a kind of key circuit detection device, including at least one ADC module and main control module, and main control module is electrically connected with alarm module;ADC module is provided with multiple voltage division paths, and voltage division path is connected with the key of the key circuit to be measured and outputs the output voltage data of corresponding key to main control module, and voltage division path is set correspondingly with the key position of key circuit;Main control module is equipped with storage unit and the judging unit connected with storage unit, and storage unit stores the standard voltage data matched in each key of standard key circuit and corresponding voltage division path, and judging unit is used to judge whether the output voltage data of the key of the key circuit to be measured under the same key position and the standard voltage data of the key of standard key circuit are matched;When output voltage data and standard voltage data are not matched, judging unit drives alarm module to alarm, and thus solve the technical defects of single ADC module, reduce voltage excursion in detection process to thereby wrong detection.

The invention discloses a foot end slip detection and compensation method for a six-wheeled composite robot, and relates to the technical field of anti-slip of robot movement. The method mainly comprises the three steps that firstly, a sliding detection model is built based on a long short-term memory (LSTM) network model, and the model predicts the sliding amount of each foot end only by taking error information of an actual motion state and an expected state of a fuselage as input; secondly, according to the predicted slip amount, obtaining an instantaneous steering center and a compensation rotation angle generated by slipping of the robot through geometric calculation; and finally, according to the calculated steering parameters, the robot is controlled to execute pure rolling steering motion, a supporting polygon is reconfigured through the strategy that the non-slipping swing legs fall down and the slipping legs are lifted up, and motion errors are compensated in real time. The method has the beneficial effects that the hardware cost is low, the system is light in weight, the real-time performance and the self-adaptability are high, and the motion stability of the robot on the complex terrain can be effectively improved.

This invention relates to the field of coil spring shock absorber testing technology and provides an auxiliary positioning and testing system for coil spring shock absorbers. The system includes a testing component, a first auxiliary component, a housing, an inner liner, a second auxiliary component, and a testing and control system. The first auxiliary component is mounted on the testing component and includes an auxiliary structure supporting the housing, a vertically reciprocating lifting drive, and a rotary drive located at the output end of the lifting drive. The rotary drive has two sets of positioning pins for circumferentially limiting the inner liner. The housing and inner liner are matched and enclosed to form a coil spring mounting space. The fixing plate, in conjunction with the auxiliary component, limits and fixes the assembly of the housing and inner liner and assists in overall transport. By testing the fit of the housing and inner liner assembly before installing the coil spring, alignment deviations can be detected in a timely manner. Compared to the traditional practice of only performing final inspection after coil spring assembly, this reduces rework, disassembly, or overall scrapping caused by poor fit between the inner liner and housing.

This invention relates to the field of heat dissipation, and discloses a computing system and electronic equipment, including: a housing with at least two enclosures inside, each enclosure containing an immersion medium; electrical connectors on the enclosure walls and electrical components immersed in the immersion medium inside the enclosures, the electrical components being electrically connected to the electrical connectors; a power supply module located outside the enclosures and electrically connected to the electrical connectors of each enclosure, the power supply module supplying power to the electrical components; and a fluid supply / return component located outside the enclosures and detachably connected to the enclosures, used to provide the immersion medium to the enclosures or to return the immersion medium, the power supply module and the fluid supply / return component being in thermally conductive contact. By separating the electrical components into multiple enclosures, independent maintenance is achieved without draining the fluid; the externally located power supply module and thermally coupled fluid supply / return component avoid heat accumulation, improve heat dissipation accuracy, eliminate the need for additional heat dissipation structures, simplify design, reduce costs, and enable independent operation and maintenance of the power supply and computing units, thereby improving maintenance efficiency.

The application discloses a controller, a power distribution communication collaborative system, a vehicle, a control method and a control device, and belongs to the technical field of power distribution communication. The controller of the embodiment of the application is applied to the power distribution communication collaborative system. The power distribution communication collaborative system comprises at least one slave control module. In the controller, a processing unit is used for generating power supply control instructions and communication scheduling instructions. A power carrier communication unit is used for performing communication between the processing unit and the at least one slave control module according to the communication scheduling instructions. An intelligent power distribution unit is used for performing power distribution on the at least one slave control module according to the power supply control instructions. In this way, through the communication-control-power distribution integrated structure, wiring and hardware costs are reduced, and then the complexity and cost of the power distribution communication collaborative system are reduced. Meanwhile, the power supply control instructions and the communication scheduling instructions are synchronously generated, which is beneficial to improving the node response speed and then improving the node power supply and communication collaborative efficiency.

This invention discloses a method and device for monitoring patchy fog based on a visible light image sensor and a point laser, belonging to the field of atmospheric visibility monitoring technology. The device includes a linearly calibrated visible light image sensor, a point laser emitter mounted parallel to the sensor's optical axis, and a synchronization control and data processing unit. The core of the method lies in: synchronously controlling and alternately acquiring image pairs of the laser being on and off, performing differential analysis to eliminate background interference, and obtaining a pure laser atmospheric scattering signal; integrating along the laser spot normal direction to obtain an initial brightness profile curve; based on the fixed spatial pose relationship between the sensor and the laser, mapping the brightness curve in image coordinates to a corrected brightness curve in real spatial distance coordinates through a geometric correction model; calculating the mean and variance of the corrected brightness curve, and calibrating it using standard instruments; and finally simultaneously obtaining the average path visibility value and the patchy fog intensity index. This invention is low-cost, has strong anti-interference capabilities, and can effectively achieve quantitative identification and spatial positioning of patchy fog, making it suitable for large-scale deployment in scenarios such as highways.

The application discloses a viewing angle switching control circuit and a privacy display device. The circuit comprises a first switch module, which is used for receiving a first control signal and a second control signal, and selecting a first power voltage or a second power voltage to generate a first initial driving signal and a second initial driving signal in response to the level state of the first control signal and the second control signal. A signal amplification module is connected with the first switch module, and is used for amplifying the first initial driving signal and the second initial driving signal to generate a first driving signal and a second driving signal. A second switch module is connected with the signal amplification module, and is used for receiving a viewing angle switching signal, and selecting the first driving signal and the second driving signal as a wide-viewing-angle driving signal or switching to a ground path to output zero voltage as a narrow-viewing-angle driving signal in response to the level state of the viewing angle switching signal. Thus, the design cost of the circuit and the complexity of the circuit can be significantly reduced.

This invention discloses a method, device, and medium for GNSS reference station data fusion transmission based on a unidirectional optical shutter. Addressing the problem that the limited number of unidirectional optical shutter ports makes it difficult to support the real-time transmission of large-scale GNSS reference station raw observation data streams, this invention receives data streams from multiple stations concurrently via multiple NTRIPs on the source side. It encapsulates and generates standard internal transmission frames containing unique station codes according to a station coding mapping table, aggregates these frames through a time window to generate fused data blocks, and dynamically maps them to the fusion channel and corresponding optical shutter ports based on station priority, traffic statistics, and optical shutter port load before unidirectional transmission. On the target side, the fused data blocks are parsed at the block level, distributed to the corresponding recovery queues based on unique station codes, and reassembled to restore the independent raw observation data streams of each station. This invention achieves high-density multiplexing transmission and accurate recovery of large-scale reference station data with limited optical shutter ports, reduces hardware costs, and improves transmission reliability and port utilization.

This invention discloses an EFI testing method, system, device, server, medium, and product, relating to the field of development and testing technology. The method includes: creating a partition with a preset format on the system disk of the device under test (DUT), and configuring the partition to be mounted to a specified directory on the system disk when the DUT boots up; writing the Extensible Firmware Interface (EFI) test file to the partition mounted in the specified directory when testing begins; and controlling the DUT to run the EFI test file in the partition under the UEFI command-line environment via a platform debug controller to obtain test results. By using the existing system disk of the DUT instead of a USB flash drive to place the EFI test file and automatically running the EFI test file in the partition, an automated EFI testing process is achieved. This eliminates the need for an additional USB flash drive, reducing hardware costs and management burden. Furthermore, the lack of manual intervention simplifies operation, enables batch testing, and improves development and testing efficiency and reliability.

The application discloses a kind of end side closed-loop full-automatic electrochemiluminescence analysis system, it is related to electrochemiluminescence detection technology, including man-machine interaction and analysis subsystem and electrochemiluminescence signal acquisition subsystem;Man-machine interaction and analysis subsystem and electrochemiluminescence signal acquisition subsystem between establishment has communication connection to execute data interaction;Wherein, man-machine interaction and analysis subsystem in preset automatic detection closed-loop process, for via communication connection to electrochemiluminescence signal acquisition subsystem sends electrochemical excitation control instruction, and the image data generated in the process of electric excitation is collected, then image data is automatically detected and handled, to obtain target luminescence signal intensity.The application further discloses a kind of detection method.The application is through full-automatic detection process control mechanism, realizes the automatic collaborative operation of luminescence process acquisition, electric excitation application, image processing and signal analysis, reduces manual participation, greatly improves processing efficiency.

The application provides a detergent storage device and a washing and protecting device. The detergent storage device comprises a liquid storage main body and a liquid level detection assembly arranged on the liquid storage main body. The liquid storage main body has at least one liquid storage cavity for storing detergent. The liquid level detection assembly does not contact the detergent. The liquid level detection assembly comprises a plurality of self-capacitance electrode pieces arranged on a circuit board in a height direction to obtain the liquid level by measuring the capacitance between a single self-capacitance electrode piece and a reference ground. The detergent storage device of the application can detect the liquid level of the detergent by using a non-contact liquid level detection assembly. The liquid level detection assembly does not contact the detergent, so that the influence of the detergent on the liquid level assembly, such as pollution, oxidation corrosion and the like, can be eliminated. No additional driving electrode is needed, which is beneficial to simplify the circuit complexity and reduce the hardware cost.

This invention discloses a soft-switching control circuit and method for a power conversion device, electrically connected to both the power conversion device and an AC power supply. It includes a first relay and a second relay, with the power conversion device electrically connected to the AC power supply sequentially via either the first relay and the second relay or sequentially via the second relay and the first relay. The two ends of the second relay are connected in parallel to the two pins of a thyristor. The invention also includes a controller electrically connected to the first relay, the second relay, and the thyristor. The beneficial effect is that it ensures that both series-connected relays are in a zero-current or near-zero-current state at the instant of closing and opening. This fundamentally eliminates the huge surge current and arc erosion and impact on the contacts caused by traditional switching methods.

The application discloses a kind of hybrid signal injection type capacitance current compensation method, system, equipment and medium based on parameter self-correction, is specifically related to electrical automation and digital technology field.The method comprises: by main station to distribution network inject wideband signal, response signal and zero sequence signal are collected by column device;Based on U1, I1 data, using improved recursive least square method on-line real-time identification line equivalent capacitance and resistance to ground, realize parameter self-correction;According to zero sequence voltage amplitude automatic switching signal injection method and displacement voltage method calculate capacitance current, and utilize Kalman filtering to carry out data fusion calibration;Finally based on identification parameter, through parameter-compensation amount mapping model dynamic determination arc suppression coil adjustment step size, carry out fast closed loop compensation.The application realizes on-line real-time identification and self-correction of distribution network capacitance parameter to ground, reaches fast, accurate compensation capacitance current under all-weather operation condition, ensures that system residual flow meets requirements.