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355 results about "STM32" patented technology

STM32 is a family of 32-bit microcontroller integrated circuits by STMicroelectronics. The STM32 chips are grouped into related series that are based around the same 32-bit ARM processor core, such as the Cortex-M33F, Cortex-M7F, Cortex-M4F, Cortex-M3, Cortex-M0+, or Cortex-M0. Internally, each microcontroller consists of the processor core, static RAM, flash memory, debugging interface, and various peripherals.

STM32-based portable indoor environment detector

The invention discloses a portable indoor environment detector based on STM32. The portable indoor environment detector comprises a hardware module and a software module, the hardware module comprises a main control module, a sensor module and a display module; the software module comprises a communication module and a client control module; the sensor and gas molecules are subjected to physical and chemical reaction to generate electric signal change, and electric signals with different amplitudes are generated according to different concentrations and transmitted to the main control module; the main control module obtains a target gas concentration value through an analog-to-digital conversion function and through preprocessing and mode recognition of the electric signal, and transmits the target gas concentration value to the display module and the client control module through the communication module; and after receiving the target concentration value, the client control module transmits the target concentration value to the Ali cloud platform, displays data and a real-time curve on a Web visual interface for a user to check, and can control the start and stop of a gas detection function at the same time. According to the invention, high-precision detection of a plurality of common harmful gases is realized, and the rapid response capability is realized.
Owner:CHONGQING UNIV OF TECH

Residual capacity balance control method and system for aged lithium battery

The invention discloses a residual capacity balance control method and system for an aged lithium battery, and relates to the technical field of new energy materials and devices, and the method comprises the steps: inputting quantum magnetic field response data and infrasonic wave signals into a single-chip microcomputer, carrying out the wavelet noise reduction and histogram equalization processing based on an STM32 single-chip microcomputer, and generating an acoustic-magnetic coupling feature matrix; inputting a dynamic pheromone equalization model based on the acoustic-magnetic coupling characteristic matrix, calculating a capacity difference coupling coefficient between the battery packs through an ant colony optimization algorithm, and generating a capacity redistribution path topological graph; according to the capacity redistribution path topological graph, the energy transfer direction is controlled through a bidirectional Buck-Boost circuit, and an equalizing current threshold value is dynamically adjusted based on the quantum spin resonance magnetic field gradient; according to the invention, the quantum magnetic field response data of the aged lithium battery pack and the infrasonic wave signal generated by electrolyte decomposition are collected, so that the physical and chemical states in the battery are accurately monitored.
Owner:GUANGDONG YUYANG NEW ENERGY CO LTD

Multi-channel adaptive communication controller based on STM32 platform

The invention provides a multi-channel adaptive communication controller based on an STM32 platform. The multi-channel adaptive communication controller comprises a user interaction module, a topology sensing module, a subnet division module, a channel sensing module, a route generation module, a data forwarding module and a working state monitoring module. The user interaction module is used for realizing interaction between a user and the communication controller; the topology sensing module is used for sensing the topology structure of a network where the communication controller is located in real time; if the communication controller automatically divides the subnets, the subnet dividing module divides the subnets according to the topological structure of the network acquired by the topology sensing module; the channel sensing module is used for monitoring the communication quality of a channel currently used by a network in real time; the data forwarding module is used for realizing a routing forwarding function; the working state monitoring module is used for monitoring the working state of the communication controller. Based on the topology sensing function, when the network topology changes, the routing can be adjusted in time, network delay and network congestion are avoided, meanwhile, a basis is provided for subnet division, and the workload of subnet configuration of a user is relieved.
Owner:NO 50 RES INST OF CHINA ELECTRONICS TECH GRP

STM32-based security unmanned aerial vehicle system

The invention discloses a security unmanned aerial vehicle system based on STM32, and relates to the technical field of security unmanned aerial vehicles. The strategic value of the unmanned aerial vehicle in the public safety field is verified, the technical iteration and application deepening of the unmanned aerial vehicle can continuously promote the modernization of social governance, and the novel 7 * 24-hour all-weather security unmanned aerial vehicle system is provided for solving the problems that an existing unmanned aerial vehicle is poor in endurance, single in application scene, low in working efficiency and the like. The problem of endurance is solved by adopting a new technology and a new thought, and the system has the advantages of low cost, low power consumption, high efficiency, energy conservation, environmental protection and the like; the YOLOv5 algorithm and the ArcFace algorithm can form complementation in function, complete more complex tasks together, and realize more efficient and accurate face recognition and pedestrian analysis; the Hungary tracking algorithm and the Kalman filter are combined and used, so that multi-target tracking can be effectively realized, and the tracking accuracy and reliability are improved.
Owner:郝梓萌

Semiconductor laser double-layer temperature control system

The invention discloses a semiconductor laser double-layer temperature control system, which is characterized in that firstly, digital PID temperature control is carried out on an external heat sink of a laser, the set voltage of an outer thermistor and an outer slide rheostat is converted by an ADC conversion circuit and then is sent to an STM32, and control information is sent to a DAC conversion circuit after digital PID operation; and the DAC conversion circuit outputs a control signal to a CTLI pin of the MAX1978 after analog-to-digital conversion, and generates a driving current to control an outer TEC, thereby realizing coarse stabilization of the external temperature of the laser. The inner layer adopts a simulation PID control mode, an inner layer MAX1978 chip reads voltage values of a thermistor and a slide rheostat in the laser and then carries out simulation PID network operation, current is output to drive a TEC in the laser, and therefore high-stability temperature control of the laser is achieved.
Owner:BEIHANG UNIV

Fan online vibration monitoring and fault diagnosis method and system

The embodiment of the invention provides a fan online vibration monitoring and fault diagnosis method and system, and belongs to the technical field of fan monitoring. Comprising the following steps: acquiring vibration data of fan operation within a period of time and performing noise reduction processing; windowing and framing are carried out on the vibration data after noise reduction processing, vibration data features are extracted, a training data set is obtained, and a fan vibration fault diagnosis model is constructed and trained. A trained fan vibration fault diagnosis model is deployed in an STM32 chip of an intelligent diagnosis terminal through STM32CUBEMAX software, and terminal edge calculation and real-time fault diagnosis functions are realized. The fan online vibration monitoring system can perform real-time vibration monitoring on the fan, perform online processing and diagnosis on vibration data, and transmit an analysis and diagnosis result to a background in real time, so that a vibration fault and fault early warning of the fan can be found in time, operation and maintenance personnel can conveniently retrieve the vibration analysis result at any time, and the operation and maintenance efficiency is improved. And the vibration state of the fan is compared and analyzed in real time, and the potential fault hidden danger of the fan is found in time.
Owner:THREE GORGES NEW ENERGY POWER GENERATION (FUNAN) CO LTD

Method for simultaneously burning multiple single-chip microcomputers based on serial ports

The invention provides a serial port-based multi-single-chip microcomputer simultaneous burning method, which comprises the following steps that: a master control single-chip microcomputer reads a file to be burnt, and stores the read file into a storage medium according to identification information; the master control single-chip microcomputer creates a corresponding number of threads according to the number of the single-chip microcomputers to be upgraded, each thread selects and is connected with a slave single-chip microcomputer according to identification information in a file, and the slave single-chip microcomputers are controlled to enter a serial port burning mode; the nth created burning thread of the master control single-chip microcomputer obtains a frame of data from the nth stored file and writes a frame of data into the corresponding slave single-chip microcomputer, and a verification response of the slave single-chip microcomputer is waited; the burning thread of the nth master control single-chip microcomputer is reactivated after receiving the response of the corresponding slave single-chip microcomputer, and if it is determined that all the storage files to be burnt are sent, the thread quits burning; and if the burning fault does not exist, normally ending the burning. According to the invention, the problem that the upgrading speed is slow when a plurality of slave single-chip microcomputers are burnt by the existing STM32 single-chip microcomputer can be solved.
Owner:BEIJING DIGITAL PRECISION MEDICAL TECH CO LTD

ROS-based robot environment sensing and positioning system

The invention discloses a robot environment sensing and positioning system based on an ROS. Effective data of multiple sensors can be efficiently processed, and the timestamps are unified for data fusion. According to the invention, an NUC11 industrial personal computer receives sensor data of an inertial sensor, a laser radar and an industrial camera and transmits the sensor data to a corresponding algorithm module for processing; a grid map is established after the surrounding environment is sensed; the speed and the direction are sent to the STM32 single-chip microcomputer through serial port communication, the STM32 single-chip microcomputer calculates the speed and the direction and then converts the speed and the direction into current values, current value data are sent to the motor through CAN communication, the Mecanum wheels are driven to move in all directions, and the navigation robot capable of achieving self-positioning and omni-directional movement is achieved. According to the omni-directional moving efficient wheeled robot, Mecanum wheels are innovatively combined to achieve omni-directional moving, a universal positioning and navigation robot chassis frame system is constructed, and the omni-directional moving efficient wheeled robot can become a universal solution for a cleaning robot, a meal delivery robot, an express delivery robot and the like in combination with different application scenes.
Owner:LISHUI RES INST OF HANGZHOU UNIV OF ELECTRONIC SCI & TECH +1

STM32 microcontroller platform-based laser compatible control system

The invention relates to the technical field of laser control, in particular to a laser compatible control system based on an STM32 microcontroller platform, which comprises a core control unit, a digital signal processing module, an analog signal processing module and a heat dissipation management module. The core control unit adopts an STM32 series microcontroller and interacts with all the modules through an SPI bus, the digital signal processing module adopts a shift register cascade architecture, the analog signal processing module shares the SPI bus through a plurality of digital-to-analog conversion chips, and the heat dissipation management module achieves temperature collection, fan driving and rotating speed feedback. The system supports RS232, RS485 and differential signal communication, and is adapted to various lasers. According to the invention, IO resource occupation can be reduced, data transmission efficiency and response speed can be improved, accurate temperature control and intelligent speed regulation can be realized, system compatibility can be enhanced, and complex industrial scene requirements of multi-wavelength microscopic imaging and the like can be satisfied.
Owner:BEIJING NANOINSIGHTS-TECH CO LTD

Telescopic structure robot system based on ROS

The invention discloses a telescopic structure robot system based on an ROS. The telescopic structure robot system comprises a movable chassis, a vertical elevator installed above the movable chassis, a telescopic arm and a clamping jaw. The telescopic structure robot system is designed based on ROS2, and the telescopic structure robot system comprises a visual recognition control module. The main controller is an STM32, and the main controller adopts an OpenCTR B20 control panel of the Tuck innovation technology. Compared with a traditional complex and expensive robot system, the robot with the telescopic structure has a simpler structure and a simpler control mode, so that the robot with the telescopic structure is easier to develop and lower in cost; an ROS is combined with an STM32 single-chip microcomputer for control, movement in any direction and grabbing in an effective range can be achieved, and the requirement for grabbing objects in various daily scenes can be easily met; meanwhile, articles can be automatically grabbed in combination with computer vision; the requirements of application scenes such as home, medical treatment and business are met, and popularization and marketization are easier.
Owner:ZHAOQING UNIV

STM32-based adaptive ammonia synthesis control system and control method

The invention discloses a self-adaptive ammonia synthesis control system and control method based on STM32, and relates to the technical field of ammonia synthesis. Ammonia synthesis equipment in the system is used for carrying out a synthesis reaction of ammonia gas; the analog quantity measurement module is used for collecting and processing analog quantity signals in ammonia synthesis equipment and sending the processed analog quantity signals to the control module; the control module is used for outputting a control signal based on an adaptive neural network PID (Proportion Integration Differentiation) algorithm according to the processed analog quantity signal and a set safety upper limit value of the analog quantity signal; the driving module is used for transmitting a control signal to the valve; the valve is used for controlling the circulating gas quantity and the gas output of the ammonia synthesis equipment; and the display interaction module is used for inputting a set temperature to the STM32 control system through the communication module, and is used for displaying current system state information. The control quality of the ammonia reaction process can be improved, and more accurate temperature control is realized.
Owner:ZHEJIANG ZHENTAI ENERGY TECH CO LTD

Pulse modulation LED dimming system and method based on STM32 single-chip microcomputer

The invention provides a pulse modulation LED dimming system and method based on an STM32 single-chip microcomputer. The system is mainly composed of an STM32F103C8T6-single-chip microcomputer module, an OLED display module, a signal acquisition module, a matrix key module, a Bluetooth module, an LED lamp module and the like. The system method comprises the following steps: step 1, optimizing a hybrid modulation strategy and carrier allocation, and establishing a dynamic carrier frequency allocation model through a multi-mode hybrid scheme fusing pulse width modulation and pulse density modulation; step 2, collecting an LED load current waveform in real time through a current sampling module, dynamically adjusting a gain coefficient based on a harmonic distortion rate, and counteracting a main harmonic component of a current signal in real time; and step 3, implementing nonlinear compensation of volt-ampere characteristics. The system supports 0%-100% stepless dimming, brightness adjustment is smooth and flicker-free, the system has four dimming modes of normally-on, single-point, circulating and sliding, matrix key local control and Bluetooth remote control are supported, and a flexible and stable LED dimming scheme is provided for a user.
Owner:JINLING INST OF TECH

STM32-based autonomous underwater robot intelligent attitude control system and method

The invention provides an STM32-based autonomous underwater robot intelligent attitude control system and method, and relates to the technical field of underwater robot control, and the system comprises a sensor integration module which is used for collecting robot state data and environment data, a model construction module which is used for outputting a state estimation value and a disturbance force prediction value, and a control module which is used for controlling the state estimation value and the disturbance force prediction value. The fuzzy control module is used for determining the PID parameter adjustment amount according to the target attitude and the state estimation value, performing feed-forward compensation in combination with the disturbance force prediction value, and generating an attitude control instruction; the electric quantity monitoring module is used for sending a charging trigger signal, the fuzzy control module is further used for controlling the underwater robot to be in a charging posture according to the charging trigger signal, and the charging module is used for charging the power supply module when the wave energy power generation device reaches the optimal power generation position and sending a re-navigation signal to the fuzzy control module after charging is completed. According to the invention, the problems of low attitude control precision and low reliability of the underwater robot in the prior art are solved.
Owner:HOHAI UNIV

Multi-platform laser compatible control system based on STM32 microcontroller platform

The invention discloses a multi-platform laser compatible control system based on an STM32 microcontroller platform. The multi-platform laser compatible control system comprises a hardware framework and a software framework. The hardware framework adopts a FreeRtos real-time operating system architecture and comprises a main control unit, a laser interface, a communication interface and a security module. And the main control unit adopts an STM32F4. The software framework comprises a hardware abstraction layer (HAL), a middleware layer, an application layer and a user interface layer. The laser control system aims at overcoming the defects of a traditional laser control system in the aspects of compatibility, safety, maintenance upgrading, operation efficiency, state monitoring and the like, is high in compatibility, high in safety, intelligent and high in efficiency, and meets the requirements of scientific research, industry and medical fields for precise control of the laser.
Owner:BEIJING NANOINSIGHTS-TECH CO LTD

Battery thermal runaway early warning prevention and control system based on multi-sensor fusion type neural network

The invention relates to the technical field of electric vehicle safety, in particular to a battery thermal runaway early warning prevention and control system based on a multi-sensor fusion type neural network. According to the system, a multi-sensor technology is fused, battery operation data are accurately collected in real time, and multi-dimensional support is provided for thermal runaway early warning; the embedded dual-core dual-head STM32 processor architecture realizes the parallelism of system management and a neural network algorithm, so that the real-time performance and the calculation efficiency are improved; and the neural network early warning module carries out data training analysis and calculates a thermal runaway early warning grade. The early warning control module intelligently controls the vehicle according to the grade to comprehensively guarantee the battery safety; the system effectively improves the accuracy and response speed of battery thermal runaway early warning, and provides powerful guarantee for safe operation of vehicles.
Owner:HEBEI AGRICULTURAL UNIV.

Intelligent control system and method for water and fertilizer machine

The invention relates to the technical field of water and fertilizer machines, and discloses a water and fertilizer machine intelligent control system and method, the system comprises a main controller module, a water and fertilizer machine control module, a display screen control module and an interface display module, the main controller module is an STM32 chip, and the main controller module can control the water and fertilizer machine control module, the display screen control module and the interface display module. According to the invention, a start button is manually pressed on a home page or instruction control is directly carried out through voice, the system can irrigate each subarea in sequence according to the starting state and irrigation duration of each subarea until all the started subareas are irrigated, and if the number of times of alternate irrigation is greater than 1, the system can wait for a certain time (alternate irrigation interval), and the system can be started to irrigate the subareas. The rotation irrigation is carried out again until the set rotation irrigation frequency is reached, the system state is switched to be stopped, the irrigation process can be paused and temporarily stopped in the rotation irrigation process, and after irrigation is completed, the main controller module controls the automatic flushing module to flush the pipeline.
Owner:HENAN SHUKUN NETWORK TECHNOLOGY CO LTD

STM32-based four-point piezoelectric driving fast oscillating mirror control system

The invention discloses a four-point piezoelectric driving fast oscillating mirror control system based on STM32. The four-point piezoelectric driving fast oscillating mirror control system comprises a piezoelectric driving fast oscillating mirror, a PSD position sensitive detector, an AD acquisition module, a DA output module, a piezoelectric driving controller, a piezoelectric actuator, an STM32 control module and a PSD position sensitive detector. An electric signal of an object to be tracked is transmitted back to the STM32 controller through the AD acquisition module, the driving voltage of each piezoelectric ceramic actuator is obtained through an improved ADRC algorithm, then the STM32 controller sends a control signal through the DA output module, and the control of the rotation angle of the fast oscillating mirror is completed through the driving of the piezoelectric ceramic actuators. According to the method, the parallel computing advantage of the STM32 is fully utilized, the system delay is reduced, high-precision, real-time and synchronous multi-piezoelectric compensation and control are realized, and the method is of great significance to researches such as closed-loop testing of a fast oscillating mirror controller, piezoelectric ceramic hysteresis nonlinear modeling and model parameter identification.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE

Avionics control system for small sounding rocket

The utility model discloses an avionics control system for a small sounding rocket, and the system comprises a power voltage stabilizing circuit and an STM32 microprocessor. The STM32 microprocessor is respectively connected with the MOS tube switching circuit, the emission level reading module, the buzzer driving circuit, the steering engine driving circuit, the height sensor BMP280 driving circuit, the six-axis acceleration sensor MPU6050 driving circuit and the storage module W25Q64 driving circuit; the system can quickly, simply and conveniently complete flight data acquisition and attitude control of the rocket, is simple in structure and convenient to operate, has high integration level, high flexibility and stable attitude control and data acquisition and storage capabilities, is suitable for diversified experiment requirements, greatly simplifies the rocket control process, reduces the dependence on the experiment environment, and improves the experiment efficiency. The method is suitable for various engineering education and scientific research scenes, and the application value of the small sounding rocket in teaching and scientific research is improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Low-frequency-band fixed square wave frequency high-precision measurement method based on kernel clock

The invention relates to the technical field of signal frequency measurement, in particular to a low-frequency-band fixed square wave frequency high-precision measurement method based on a kernel clock, which is suitable for the field of embedded systems and digital signal processing, is mainly used for low-frequency and fixed-frequency-band high-precision frequency measurement, and is not a frequency meter method specially used for measuring frequency. The method is suitable for measuring the fixed output frequency in a test system and the like. According to the method, a kernel clock of an embedded system (such as an STM32 single-chip microcomputer) is mainly utilized, a time constant is calibrated by measuring the count value of the duration of high and low levels of a fixed time window, and therefore the square wave frequency is obtained through calculation.
Owner:GUILIN UNIV OF ELECTRONIC TECH

USB flash disk online upgrading method and device based on STM32 and readable medium

The invention discloses an STM32-based USB flash disk online upgrading method and device and a readable medium, and the STM32-based USB flash disk online upgrading method comprises the steps: S1, carrying out the power-on initialization or resetting of a system; s2, a Bootloader program is operated, and the Bootloader program judges whether a new program transmitted through the USB flash disk or a data updating requirement exists or not; s3, if the updating requirement exists, the step S4 is carried out; if the updating demand does not exist, the step S5 is carried out; s4, the system carries out corresponding updating operation; s5, the system instruction skips to the application program section, and the standard application program logic continues to be executed. The USB flash disk and equipment upgrading mode is adopted, cost is low, operation is easy and convenient, and the method is suitable for narrow space or special space where a computer cannot be used conveniently.
Owner:SHENZHEN FAITHTECH CO LTD

STM32-based power system online detection device and method

The invention discloses an STM32-based power system online detection device, and relates to the technical field of power distribution network load prediction, and the device comprises a front-end collection unit which is used for collecting voltage and current signals of power supply of a power grid; the control unit performs analysis and processing according to the voltage and current signals acquired by the front-end acquisition unit and the electric energy signals of the electric energy metering unit, and generates a control instruction to control the relay; the display unit is used for receiving and displaying the analysis processing result of the control unit; the communication unit is used for sending out an analysis processing result of the control unit and receiving a background control signal; and the background monitoring unit receives the analysis processing result transmitted by the communication unit and sends a control signal to the control unit. The invention further provides a power system online detection method based on the STM32. The communication unit communicates with the background monitoring unit, remote online monitoring is achieved, and guarantee is provided for safe and stable operation of a power supply network.
Owner:AKSU POWER SUPPLY COMPANY STATE GRID XINJIANG ELECTRIC POWER

Ship trajectory visualization method and system based on combination of STM32 and Simulink

The invention relates to the technical field of ship control and navigation simulation, in particular to a ship trajectory visualization method and system based on combination of STM32 and Simulink, and the method comprises the following steps: an inertial measurement module and an ultra wide band positioning module collect attitude position information of a ship; the attitude position information is transmitted to an STM32 chip, the STM32 chip fuses the three-axis angular velocity, the three-axis linear acceleration and the three-axis geomagnetic data through a quaternion fusion algorithm to obtain a quaternion calculation result, and the quaternion calculation result and the position information in the three-dimensional space are fused to obtain fused data; the STM32 chip is used for fusing data, the fused data are packaged into data frames, the STM32 chip is used for transmitting the data frames to a ship model in a Simulink platform through a MAVLink protocol, the ship model is used for extracting the attitude angle and space coordinate information of the ship based on the data frames, and the visual motion trail of the ship is generated based on the attitude angle and space coordinate information of the ship. According to the invention, visual display and control algorithm verification are realized, and a semi-physical simulation closed-loop process is completed.
Owner:DALIAN MARITIME UNIVERSITY

Method for remotely upgrading PG program

The invention provides a method for remotely upgrading a PG program, belongs to the technical field of PG program upgrading, and is mainly applied to an LCM display screen test fixture and can be expanded to PG products in the fields of vehicle-mounted display, industrial control display and the like. A solution based on an IAP function of an STM32 industrial chip is provided, a bootloader program is configured in a PG and cooperates with an upper computer program, and after the upper computer carries out unpacking, format matching and CRC32 verification processing on pre-upgraded PG program data, wireless remote transmission is achieved through an internet access or a WIFI router; after a bootloader program of the PG receives the data, register initialization and data unpacking are completed, and target data are written into a chip main program area according to an STM32FLASH write-in protocol; meanwhile, the upper computer and the bootloader complete upgrading result verification through a preset calibration scheme, the upgrading state, consumed time and abnormal information are displayed through a visual interface, and parallel batch upgrading of 1-20 PGs is supported. Technical support is provided for large-scale mass production of PG products, and enterprises are assisted in improving product cost performance and market competitiveness.
Owner:BENGBU JIANGFAN TECHNOLOGY CO LTD

Climbing remote control detection robot control system based on STM32

The invention discloses an STM32-based climbing remote control detection robot control system, and aims to realize multi-parameter real-time monitoring and remote control of a complex terrain environment. The system takes an STM32 single-chip microcomputer as a core controller, integrates a plurality of sensor modules, including a temperature sensor, a humidity sensor, a gas sensor, a photosensitive sensor and a sound sensor, and is used for comprehensively monitoring environmental conditions. Meanwhile, the system is provided with an MPU6050 gyroscope module and a GPS positioning module, and posture detection and accurate positioning of the robot are supported. Wireless communication is achieved through an ESP8266 module, and the robot can be connected with a cloud platform in real time to conduct data transmission and remote control operation. In addition, the robot is further provided with a pressure sensor and a camera module which are respectively used for detecting the contact pressure of the wheels of the climbing robot and collecting real-time images. A driving system of the robot adopts combination of motors and Mecanum wheels, flexible multi-direction movement is achieved, electromagnetic valves and air cylinder modules serve as a robot body, and it is guaranteed that enough pressure exists between the wheels and a trunk. The power supply system is composed of a 12V power supply and a voltage stabilizing module, and stable operation of the system is ensured. A user can obtain the real-time state and environment data of the robot through the remote monitoring terminal and the cloud platform, and remote operation control is carried out. The system is suitable for monitoring and detection requirements of various complex terrains, and is widely applied to the fields of environment monitoring, emergency rescue, intelligent agriculture and the like.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1

Ground penetrating radar echo signal collecting and processing device and method

The invention provides a ground penetrating radar echo signal acquisition and processing device and method, and relates to the field of ground penetrating radars, and the device comprises an echo conditioning circuit, an ADC module, an FPGA module, an STM32 module, and an upper computer. An echo conditioning circuit is used for receiving an echo signal during detection of the ground penetrating radar and conditioning the echo signal; analog-to-digital conversion is carried out on the echo signals through an ADC module, and parallel high-speed data streams are obtained; the acquisition process of the ADC module and the gain of the echo conditioning circuit are controlled through the FPGA module; the FPGA module is used for receiving the high-speed data flow and carrying out data processing, and sending the data to the STM32 module; and the processed high-speed data stream is transmitted to the upper computer through the STM32 module for visual display. According to the technical scheme, the method can adapt to complex and changeable geological exploration environments and has high exploration precision.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Three-phase frequency-adjustable phase-shift power supply

The utility model discloses a three-phase frequency-adjustable phase-shift power supply, which comprises a three-phase wire inlet connector, a bridge arm circuit and an STM32 control panel, the three-phase wire inlet connector is electrically connected with a rectifier bridge, the rectifier bridge is electrically connected with a direct-current filter inductor L1, the direct-current filter inductor L1 is electrically connected with a filter capacitor circuit, and the filter capacitor circuit is electrically connected with the bridge arm circuit. The rectifier bridge, the direct-current filter inductor L1 and the filter capacitor circuit provide direct current for a loop, the bridge arm circuit is electrically connected with the filter capacitor circuit, the bridge arm circuit comprises Q1, Q2, Q3, Q4, Q5 and Q6, the bridge arm circuit is electrically connected with an output terminal, the STM32 control panel is electrically connected with a DDS signal generator, the DDS signal generator is electrically connected with a three-phase pre-amplifier, and the three-phase pre-amplifier is electrically connected with the bridge arm circuit. The three-phase pre-stage amplifier is electrically connected with the bridge arm circuit, the STM32 control panel generates a command to the DDS signal generator to generate a digital synthesis waveform, the digital synthesis waveform drives the bridge arm circuit through the three-phase pre-stage amplifier, and a three-phase four-wire system is formed by output terminals for output.
Owner:JIANGSU ANERDA POWER ENG TECH CO LTD

A multifunctional hand washing machine based on STM32 chip control

The invention discloses a multifunctional hand washer based on STM32 chip control, including a back plate provided with a faucet, an infrared sensor provided outside the faucet, a box provided above the faucet, a paper dispenser and a soap bottle connected to the faucet provided in the box, a paper outlet provided at the lower end surface of the box, a wash basin provided just below the faucet, and a control circuit provided in the box. The control circuit includes an MCU controller, and a solenoid valve circuit provided in a solenoid valve, a water supply sensor circuit provided in the faucet, a paper towel sensor circuit provided in the paper dispenser, a soap sensor circuit provided in the soap bottle, a wastewater sensor circuit provided in the wash basin, an infrared sensor circuit provided in the faucet, a foam pump circuit provided in a foam pump, and a paper dispenser circuit provided in the paper dispenser. By adopting the above-mentioned arrangement, it has the advantages of realizing the functions of washing hands and flushing and wiping hands at the same time.
Owner:NINGHE TECHNOLOGY SERVICES (NANJING) CO LTD

Optoelectronic Measurement and Control Remote Status Acquisition System Based on STM32 and FPGA

The present invention discloses an optoelectronic measurement and control remote status acquisition system based on STM32 and FPGA, which relates to the fields of optoelectronic measurement and control technology and optical fiber communication. It solves the problem that current vehicle-mounted high-precision optical measurement equipment has limitations in terms of geographical location and personnel scheduling during use, and cannot ensure that operators can operate in the equipment in real time. The present invention connects the remote control end and the equipment end through a field optical cable to transmit real-time data, so as to achieve the purpose that the remote control end can control the equipment end and can give real-time feedback. This solution can perform remote control stably and reliably, improve the actual use efficiency, and solve the current situation where the equipment personnel cannot remotely control the equipment.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Harris hawk algorithm optimized fuzzy PID parameter high-value consumable cabinet temperature control method

The application discloses a high-value consumable cabinet temperature control method for optimizing fuzzy PID parameters by using a Harris hawk algorithm, and belongs to the technical field of high-value consumable management. The method comprises the following steps: a temperature acquisition module collects data, and sends the data to an upper computer and an STM32 controller through a serial communication module, and a mathematical model of the internal temperature of the high-value consumable cabinet is calculated; a fuzzy PID temperature controller is designed based on the mathematical model, the error and the error change rate between the actual output value and the expected value of the temperature in the cabinet are controlled by using the fuzzy PID temperature controller to obtain the parameter value of the fuzzy PID temperature controller, and the quantization factor and the output proportional factor of the fuzzy PID temperature controller are optimized by using an improved Harris hawk algorithm; and the cabinet internal temperature is controlled in real time by the fuzzy PID temperature controller after the factors are updated. The improved Harris hawk optimization algorithm is used to optimize the fuzzy PID parameters, and the situation that the simulation result is not ideal due to excessive dependence on the setting of parameters according to expert experience is reduced.
Owner:HEFEI UNIV OF TECH

A data isolation encryption system based on FSMC and AXI bus

The present invention discloses a data isolation encryption system based on FSMC and AXI bus, including STM32, conversion module, DBram module, Bram Controller module, SMX module and ZYNQ CPU module, STM32 is connected to the conversion module through FSMC interface, the conversion module is connected to the DBram module, the other end of the DBram module is connected to the Bram Controller module, the Bram Controller module is used to control access timing, the Bram Controller module is connected to the AXIM interface of the SMX module through the AXI bus, the AXIS interface of the SMX module is connected to the ZYNQ CPU module through the AXI bus, the SMX module encrypts data and transmits the encrypted data to the ZYNQ CPU module. The present invention ensures that the physical isolation of data plaintext and ciphertext can ensure a higher throughput in large-volume data transmission and is difficult to monitor, thereby realizing a highly secure, high-performance and portable data isolation encryption method.
Owner:SHANDONG SINOCHIP SEMICON CO LTD