39 results about "Microprocessor system" patented technology

The invention discloses a low power consumption control method of a laser gas sensor, the laser gas sensor comprises a laser gas sensor, the laser gas sensor comprises a temperature measurement module, a thermoelectric refrigerating unit, an environmental parameter detection module, a microprocessor system and a power supply module; the thermoelectric refrigerating unit is used for controlling the temperature of the distributed feedback grating in the laser; the environment parameter detection module is used for detecting surrounding environment parameters of the laser gas sensor; the microprocessor system is in signal connection with the temperature measurement module, the thermoelectric refrigerating unit and the environmental parameter detection module and is used for controlling the working modes of the temperature measurement module, the thermoelectric refrigerating unit and the environmental parameter detection module; the power supply module is used for providing electric energy and comprises two circuit output ends, one circuit output end is connected with the microprocessor system, and the other circuit output end is connected with the temperature measurement module, the thermoelectric refrigerating unit and the environment parameter detection module. The method has the advantages of high detection precision and reduction of overall power consumption.

The invention discloses a planar two-dimensional micro-displacement sensor based on a four-quadrant eddy current effect, which comprises a detection coil array plate and a target conductor array plate which are parallel up and down, and is characterized in that the detection coil array plate is provided with four planar coils arranged in a shape like a Chinese character'tian 'on an insulating substrate; the target conductor array plate is provided with four metal panels which are arranged in a shape like a Chinese character'tian 'on an insulating substrate. According to the invention, identical excitation signals are introduced into four planar coils on a detection coil array plate, two-dimensional micro-displacement of the detection coil array plate relative to a target conductor array plate is converted into voltage signals of the four planar coils by using an inductance measurement circuit, and the four voltage signals are processed by using a microprocessor system; therefore, the two-dimensional plane relative displacement of the detection coil array plate and the target conductor array plate is obtained. The device is simple in structure, high in measurement precision and suitable for scenes requiring precise measurement of planar two-dimensional micro-displacement in severe environments such as dust and greasy dirt.

The invention provides a system management method for embedded equipment, which comprises the following steps: when detecting that a microprocessor system is idle, determining whether to enter a closed mode, the closed mode being used for closing hardware except an RTC (Real Time Clock) in the microprocessor, and the closed mode being periodically awakened through the RTC; when the microprocessor system enters the closed mode, writing motion data into a backup register of the microprocessor when the microprocessor system enters the closed mode; when the microprocessor system is awakened from the off mode, environmental data in the static random access memory is updated based on the motion data in the backup register, the environmental data being used to support operation of the microprocessor system. According to the method, the RTC clock is used for periodically waking up the equipment to enter the closed mode, processing and detecting events and initiating a positioning process, so that the power consumption of the equipment is reduced to the greatest extent under the condition that the electric quantity of a battery of the embedded equipment is limited, and the requirements of low power consumption and long-time operation of a microprocessor system are met.

The invention relates to the technical field of temperature measurement, in particular to a radiometer thermal calibration source temperature measurement error calibration device and method. The device comprises a plurality of platinum resistor temperature measurement sensors, a constant current source module, a temperature measurement channel switching module, an environment temperature acquisition module, an aging error calibration module, an amplification filtering module, an AD conversion module and a microprocessor system module, the constant current source module is electrically connected with the temperature measurement channel switching module; the aging error calibration module, the environment temperature acquisition module and the amplification filtering module are electrically connected with the temperature measurement channel switching module; the AD conversion module is electrically connected with the amplification filtering module; and the microprocessor system module is electrically connected with the AD conversion module. According to the invention, the quantitative relation between the output temperature of the sensor and the acquired value is established, the measurement error caused by parameter difference of components, temperature drift and long-term working aging is greatly reduced, and the measurement accuracy is improved.

The invention discloses AC charging power control equipment based on CP signal isolation type acquisition and driving. The device comprises an isolation acquisition module, a microprocessor module, an isolation amplification module and a vehicle resistance simulation module. The microprocessor module receives the signal of the isolation acquisition module, processes the connection state of the electric vehicle and the charging pile, and generates a DC / PWM signal. The signal is amplified into a direct current / bipolar PWM signal through the isolation amplification module and is transmitted to the electric vehicle; the vehicle resistance simulation module changes the resistance according to the connection state of the electric vehicle and the charging pile to feed back a charging state signal to the AC charging pile so as to trigger the AC charging pile to output electric energy. The operation reliability of the microprocessor system is improved in an isolation mode, the change of the charging state can be accurately identified, and accurate control over the charging power of the electric vehicle is achieved.

The invention relates to the technical field of electrochemical impedance spectrum testing, in particular to an electrochemical impedance spectrum obtaining method and device based on an energy storage battery, a microprocessor system, a computer readable storage medium and a computer program product. The method comprises the following steps: sampling to obtain a direct-current bus side voltage, and performing direct-current voltage conversion on the direct-current bus side voltage; carrying out single-pole frequency multiplication modulation on the direct current bus side voltage after the direct current voltage conversion to obtain sine voltage disturbance signals under different frequencies; inputting the sinusoidal voltage disturbance signals under different frequencies into the energy storage battery, and sampling to obtain a current response signal of the energy storage battery; according to the sinusoidal voltage disturbance signal and the current response signal, battery impedance under different frequencies is calculated; and acquiring an electrochemical impedance spectrum of the energy storage battery pack according to the battery impedance under different frequencies. By adopting the method, wide-range, low-cost and high-efficiency online electrochemical impedance spectroscopy detection can be realized.

A microprocessor system (100) comprising: a cache (104-110) comprising: a plurality of cache lines, each characterized by a replacement priority level selected from a plurality of replacement priority levels, wherein the replacement priority level indicates a probability of replacing a cache line causing a rollback of a transaction, each cache line having priority bits (124) indicative of the replacement priority level identifying the cache line, wherein replacing the cache line having a higher replacement priority level has a lower probability of triggering a rollback of a transaction than replacing a cache line having a lower replacement priority level; and a cache controller (128) configured to (1) select a least recently used cache line from the plurality of cache lines having a highest available replacement priority level, and (2) replace the least recently used cache line having the highest available replacement priority level according to a replacement scheme.

The invention discloses smoke and fire identification equipment based on a double-filtering switcher and a flame identification method, and relates to the field of fire fighting. A CMOS (complementary metal oxide semiconductor); a network transmission system; a power supply module; the switchable double optical filter mechanism is switched between the infrared cut-off optical filter and the full-spectrum optical filter; an analysis model is arranged in the micro-processing system, and the micro-processing system is configured to control the infrared cut-off optical filter to cut into an optical path in a conventional state to obtain a visible light image for flame initial detection, and control the full-spectrum optical filter to cut into the optical path and reduce the CMOS sensitivity to obtain a full-spectrum image for flame confirmation. According to the invention, a switchable double-optical-filter mechanism is adopted for a single camera, and light is filtered through two switches, so that the flame recognition speed is improved while the cost is reduced, the CMOS sensitivity is adjusted, repeated de-duplication is carried out on an image, and image analysis and comparison data of comparison of a conventional scene and a flame scene by the camera are enriched and improved.

Aspects of the embodiments are directed to systems, devices, and methods for accessing a storage device as memory. The embodiments include a microprocessor comprising a microprocessor system agent and a field programmable gate array (FPGA). The FPGA includes the FPGA system agent that processes memory access requests received from the microprocessor system agent across a communication link; a memory controller communicatively coupled to the system agent; and a high-speed serial interface linking the system agent with the storage system. The embodiments may also include a storage device connected to the FPGA via the high-speed serial interface.

The invention discloses an embedded single-network-port multi-IP communication device, and a dynamic configuration method, a data transmission method and a fault recovery method of the communication device. The communication device comprises an embedded microprocessing system, a storage system, a man-machine interaction interface, a network input and output interface and a double-logic network interface virtualized in core control software, and the network input and output interface is a single physical Ethernet interface. And the dual-logic network interface comprises a fixed interface and a dynamic interface which share the same physical network port. The method provided by the invention adopts the communication device. Parallel communication of double logic IP addresses is realized through the single physical network port, the hardware cost and the integration level are optimized, the flexibility and the real-time performance of network configuration are improved, the reliability and the maintainability of the system are enhanced, and the resource utilization rate is improved.

The invention relates to the technical field of optical measurement, in particular to an illuminance test system integrally combined with partition lamplight arrangement for guiding parameter output, which comprises a detection head, and is characterized in that an ambient light detection system comprises an illuminance test module and a frosted inner cover with a semitransparent spherical surface, and the frosted inner cover covers the illuminance test module; a plurality of hollow light cone structures are fixedly arranged outside the frosted inner cover; the camera is covered by the frosted inner cover, and the shooting area of the camera is the inner wall of the frosted inner cover; the camera and the ambient light detection system are connected to the microprocessor system; uniform light which is formed after scattering and diffuse reflection of the frosted inner cover and reflects the overall intensity of the ambient light is received through the illumination test module, and the overall intensity of the ambient light is obtained. And arrangement and adjustment of a plurality of light sources in an auxiliary environment are facilitated.

The invention relates to the technical field of intelligent robots, in particular to an inspection robot technology. After new power equipment facilities are changed or added in a transformer substation, a new inspection site needs to be set, and the workload of operators is increased. An electric power intelligent inspection robot with site marking and identifying functions comprises an inspection robot with path-finding capability, and 4-8 distance measuring sensors are assembled along the periphery of the inspection robot and used for sensing peripheral cabinets in the path-finding moving process of the inspection robot; the inspection robot further comprises a platform which is driven by a driving mechanism to rotate horizontally, the microprocessor system controls the driving mechanism connected with the platform, and the recognition direction of the driving platform faces the direction where the peripheral cabinet is located in the path-finding moving process of the inspection robot. A two-dimensional code recognition system is arranged on the platform, and two-dimensional code image recognition is conducted in the recognition direction of the platform. Routing inspection sites can be automatically updated through way-finding walking, and the workload of operators is reduced.

The invention discloses a four-quadrant tracking and positioning sensor based on an eddy current differential nonlinear effect. The four-quadrant tracking and positioning sensor comprises a detection coil array plate and a target conductor which are parallel up and down. According to the invention, identical excitation signals are introduced into four planar coils on a detection coil array plate, two-dimensional micro-displacement of the detection coil array plate relative to a target conductor array plate is converted into voltage signals of the four planar coils by using an inductance measurement circuit, and the four voltage signals are processed by using a microprocessor system; and a differential signal related to displacement is obtained and is used as an input signal of an executing mechanism. Due to the characteristics of high sensitivity in the center and low edge, the sensor can be specially used for negative feedback adjustment of a plane displacement mechanism, and can adapt to severe environments such as greasy dirt and dust. The device is simple in structure and good in reliability, and is suitable for negative feedback position adjustment scenes needing plane two-dimensional displacement detection, such as posture calibration of a fast steering mirror, a laser stabilizer and a solar panel.

The application discloses a four-quadrant tracking and positioning sensor based on eddy current differential nonlinear effect, which comprises an upper and lower parallel detection coil array plate and a target conductor. The application passes the same excitation signal into four plane coils on the detection coil array plate, converts the two-dimensional micro displacement of the detection coil array plate relative to the target conductor array plate into the voltage signals of the four plane coils by using an inductance measurement circuit, processes the four voltage signals by using a microprocessor system, obtains the differential signal related to the displacement, and takes the differential signal as the input signal of an executing mechanism. Due to the sensitivity characteristics of high center and low edge, the application can be specialized in the negative feedback regulation of a plane displacement mechanism, and can also adapt to harsh environments such as oil stains and dust. The application has the advantages of simple structure and good reliability, and is suitable for the negative feedback position regulation scenes of detecting the plane two-dimensional displacement, such as a fast steering mirror, a laser stabilizer, a solar panel attitude calibration and the like.

The invention relates to the technical field of fuel gas. A gas safety man-machine interaction system comprises an electric control gas valve and a microprocessor system, the electric control gas valve is provided with a control signal input end, and a control output port of the microprocessor system is controllably connected with the control signal input end of the electric control gas valve. The gas stove further comprises a detection system, the detection system comprises a detection device for detecting flowing of gas, the detection system triggers the control software system to start a timing program after detecting that the gas is used, man-machine interaction with a user is carried out through a loudspeaker during timing, and the electric control gas valve is closed when timing reaches a set time length. Through man-machine interaction measures, the purpose of forgetting to turn off gas is achieved, so that gas use safety is guaranteed, and fire accidents are reduced.

A power-over-Ethernet (PoE) powered multichannel streaming audio amplifier includes a plurality of Ethernet ports each configured to be coupled to an Ethernet cable and capable of receiving power and audio data transmitted over the Ethernet cables. Power supply circuitry connected to the Ethernet ports is configured to combine and manage the power received at the Ethernet ports. A microprocessor subsystem powered by the power supply circuitry is configured to receive and process the audio data to generate output audio signals. A digital audio amplifier powered by the power supply circuitry amplifies the output audio signals received from the microprocessor system. A plurality of audio outputs connected to the digital audio amplifier are each configured to be connected to a different one of a plurality of speaker devices to transmit the audio output signals amplified by the digital audio amplifier to the plurality of speaker devices.

The invention discloses a synchronous triggering device, and relates to the technical field of explosion signal acquisition, the device comprises a button module, a microprocessor system, an acquisition module and a triggering module, the button module, the acquisition module and the triggering module are all connected with the microprocessor system; the acquisition module is used for acquiring an explosion signal of an explosion point; the trigger module comprises a plurality of channels, and each channel is connected with an input / output port of the microprocessor system; the key module is used for setting synchronous trigger signal characteristics of each channel; and the microprocessor system is used for controlling the trigger module to output synchronous trigger signals of multiple channels according to the synchronous trigger signal characteristics of each channel after receiving the explosion signals acquired by the acquisition module. According to the invention, the device cost is reduced, and the response speed and the response reliability are improved.

The invention relates to the technical field of optical measurement, in particular to a positioning illuminometer adopting an unmanned aerial vehicle to carry space flight, which comprises an illuminometer system, the illuminometer system comprises a detection probe, the detection probe comprises a light sensing system, the light sensing system comprises a photosensitive sensor, and the unmanned aerial vehicle carries the illuminometer system; the illuminometer system is provided with two detection probes; the detection probe is provided with a semitransparent scattering ball cover; a hollow inner closing-in channel is fixed outside the scattering ball cover; a reflective layer is arranged on the inner wall of the inner closing-in channel; a plurality of hollow inner closing-in channels are arranged around the scattering ball cover to form a ball cover with inner closing-in channels on the outer side; the camera is covered by the scattering ball cover, and the shooting area of the camera is the inner wall of the scattering ball cover; the two detection probes are connected to the same microprocessor system; and the microprocessor system calculates the relative position of the characteristic light spot corresponding to the ambient light source. Reference data are provided for configuration of environment light sources, and arrangement and adjustment of a plurality of light sources in an auxiliary environment are facilitated.

The application provides a system management method of an embedded device, comprising: when detecting that a microprocessor system is idle, determining whether to enter a shutdown mode, the shutdown mode being used for shutting down hardware in the microprocessor except for an RTC clock, and the shutdown mode being periodically woken up through the RTC clock; when the microprocessor system enters the shutdown mode, writing motion data when the microprocessor system enters the shutdown mode into a backup register of the microprocessor; and when the microprocessor system is woken up from the shutdown mode, updating environment data in a static random access memory based on the motion data in the backup register, the environment data being used for supporting the running of the microprocessor system. The device periodically woken up through the RTC clock to enter the shutdown mode, processes and detects events, initiates a positioning process, guarantees that the embedded device reduces the power consumption of the device to the maximum extent in the case that the battery power is limited, and meets the requirements of low power consumption and long time running of the microprocessor system.

The present invention relates to the technical field of water purification. A water purification device having a state display system capable of self power generation, the device comprising a water purification device, the water purification device having a purified-water outflow channel; and further comprising a microprocessor system, the microprocessor system being connected to a display screen. A self power generation device comprises a housing, wherein the housing has a water inlet and a water outlet, the water inlet is provided at the upper portion of the housing, a rotating wheel is disposed in the housing, the rotating wheel comprises a rotating shaft and connecting rods arranged around the rotating shaft, and a water container having an opening is provided at the tail end of each connecting rod; and while rotating, the water container can rotate to a position below the water inlet, and at this position, the opening of the water container faces the water inlet. The self power generation device further comprises a generator and a power storage system, wherein electric energy of the generator is connected to the power storage system. The microprocessor system runs filter element life measurement software, and a filter element life information input port of the microprocessor system is linked with the self power generation device.

The invention relates to the technical field of fuel gas. A gas active safety system with infrasonic wave turbulent flow comprises an electric control gas valve arranged on a gas pipeline and a microprocessor system. The electric control air valve is provided with a control signal input end, and a control output port of the microprocessor system is controllably connected with the control signal input end of the electric control air valve; the device further comprises a fuel gas concentration sensor system with infrasonic wave turbulent flow, the fuel gas concentration sensor system comprises an electromagnet, an electromagnetic movable part of the electromagnet is connected with a vibrating membrane, and an electromagnetic induction coil driving electromagnetic movable part with an infrasonic wave oscillating circuit driving electromagnet is connected with a vibrating membrane. And the vibration membrane promotes the airflow to flow through the fuel gas concentration sensor assembly, so that the sensitivity is improved, the reaction is quicker, and the fuel gas active safety system can make a quicker response under the condition that the concentration of the gas to be detected is lower.

A power-over-Ethernet (PoE) powered multichannel streaming audio amplifier includes a plurality of Ethernet ports each configured to be coupled to an Ethernet cable and capable of receiving power and audio data transmitted over the Ethernet cables. Power supply circuitry connected to the Ethernet ports is configured to combine and manage the power received at the Ethernet ports. A microprocessor subsystem powered by the power supply circuitry is configured to receive and process the audio data to generate output audio signals. A digital audio amplifier powered by the power supply circuitry amplifies the output audio signals received from the microprocessor system. A plurality of audio outputs connected to the digital audio amplifier are each configured to be connected to a different one of a plurality of speaker devices to transmit the audio output signals amplified by the digital audio amplifier to the plurality of speaker devices.

The application discloses a fiber compass data transmission acceleration method based on an IBS system, wherein the IBS system comprises a fiber compass system, the fiber compass system comprises a distribution unit, the IBS system comprises a plurality of external instruments or devices, and the IBS system further comprises a microprocessor; data signals collected by the external instruments or devices in the IBS system are firstly transmitted to the microprocessor for preliminary judgment and screening, and then the data signals after the preliminary judgment and screening are transmitted to the fiber compass system after being distributed with real clock data signals, so that the sailing parameters of a ship are corrected; and then the corrected sailing parameters of the ship are transmitted back to the external instruments or devices, so that the external instruments or devices are adjusted according to the sailing parameters, and finally the autonomous sailing control of the ship is realized; and the application can be applied to the IBS system with the fiber compass system, and solves the technical problems that the signal transmission between the fiber compass system and the IBS system is prone to errors or lag and lacks effectiveness judgment.

A microprocessor system comprises a computational array and a vector computational unit. The computational array includes a plurality of computation units. The vector computational unit is in communication with the computational array and includes a plurality of processing elements. The processing elements are configured to receive output data elements from the computational array and process in parallel the received output data elements.

The utility model discloses a timing power-off circuit and electronic equipment, and belongs to the technical field of electronic circuits. A first key signal is output through a key circuit according to first operation; the first switch circuit transmits a power supply voltage based on the first key signal; the second switching circuit responds to the power supply voltage to output a control signal for a preset duration, and stops the output of the control signal after the power supply voltage is disconnected for the preset duration; a third switching circuit outputting the supply voltage in response to the control signal and disconnecting the supply voltage based on the stop of the control signal; therefore, the method is suitable for some microprocessor systems which do not support a low-power-consumption mode, and meanwhile, the port resources of the microprocessor are saved; and the timing power-off is realized only by using discrete devices after the key is pressed, and software control is not needed, so that the reliability of the timing power-off circuit is improved.

A microprocessor system includes a matrix calculation unit and a control unit. The matrix calculation unit includes a plurality of processing elements. The control unit is configured to provide matrix processor instructions to the matrix calculation unit. The matrix processor instruction specifies a floating point operand formatted using a first floating point representation format. The matrix calculation unit accumulates the intermediate result values calculated using the floating point operands. The intermediate result value is represented in a second floating point format.

The invention relates to the technical field of electrolytic hydrogen production, in particular to a liquid lithium battery infrasonic wave excitation system which comprises an electrode block connected to a negative electrode of a power source, the electrode block is provided with a hollow inner cavity, and the inner cavity is provided with an upper opening and a lower opening; the infrasonic wave loudspeaker is connected to the upper opening of the electrode block; a vibrating diaphragm is arranged at the lower opening of the inner cavity; the infrasonic wave loudspeaker is connected to the infrasonic wave generating circuit; the electrode block is further connected with an ultrasonic piezoelectric ceramic piece, one end of the ultrasonic piezoelectric ceramic piece extends into the inner cavity, and the other end of the ultrasonic piezoelectric ceramic piece extends out of the outer side of the rod body of the electrode block. The system further comprises a battery internal resistance tester which extends into the electrolyte. The system further comprises a micro-processor system, the signal output end of the battery internal resistance tester is connected to the signal input end of the micro-processor system, and the micro-processor system controls on-off of the ultrasonic wave generation circuit and the infrasonic wave generation circuit to guarantee continuous and efficient operation of the electrode block.

Processor device (202, 302, 402, 502) comprising: a microprocessor (212) comprising a microprocessor system agent (214); and a Field Programmable Gate Array (FPGA) (204, 304, 404, 504), wherein the FPGA (204, 304, 404, 504) comprises: an FPGA system agent (206, 306, 406, 506) for processing memory access requests (230) received from the microprocessor system agent (214) via a communication link (216, 218), wherein the FPGA system agent (206, 306, 406, 506) and the communication link (216, 218) are in a coherence region of the microprocessor (212); a memory controller (207, 316, 416, 508) communicatively coupled to the system agent (206, 306, 406, 506); a high-speed serial interface (208) for connecting the system agent (206, 306, 406, 506) to a mass storage system (218); wherein the FPGA system agent (206, 306, 406, 506) processes the memory access requests (230) by translating addresses in the memory access requests (230) into the addresses of the mass storage system (218) and accesses data at the addresses of the mass storage system (218) through a high-speed serial interface (208).

The present application relates to the field of optical measurement, in particular to the illumination test system of the whole combination subarea light arrangement guide parameter output, including probe head, the ambient light detection system includes the illumination test module, is provided with a half transparent ground glass inner cover of spherical surface, the ground glass inner cover covers the illumination test module, the ground glass inner cover is fixed outside and is arranged with multiple hollow light cone structures, still including camera, the ground glass inner cover covers the camera, and the shooting area of camera is the inner wall of ground glass inner cover, the camera, ambient light detection system, access microprocessor system, the uniform light that the illumination test module receives the overall intensity of ambient light reflection after scattering, diffuse reflection that passes through the ground glass inner cover is formed, obtains the overall intensity of ambient light.It is convenient to assist the arrangement adjustment of multiple light sources in the environment.

A clock control method for a slave device and a microprocessor system using the same are disclosed. The clock control method for a slave device comprises connecting a microprocessor and a plurality of slave devices via a bus; controlling a clock signal to enable or disable for one of the plurality of slave devices through a corresponding one of a plurality of clock gating circuits; pre-decoding an instruction output by the microprocessor to the bus to obtain an address of the instruction; finding a specific slave device corresponding to the address from the plurality of slave devices; and when one of the plurality of clock gating circuits corresponding to the specific slave device is not enabled, enabling the one of the plurality of clock gating circuits so that the specific slave device operates normally to receive the instruction.