32results about How to "Meet the requirement of quick response" patented technology

The invention provides an intercooling or intercooling recuperating layout for an aero-engine. The layout comprises a Brayton cycle in a main flow path and a supercritical state fluid cycle, wherein the two cycles are mutually independent and are coupled through a micro-scale heat exchanger. The micro-scale heat exchanger is a supercritical micro-scale compact rapid heat exchanger comprising a heat exchanging element and two working mediums, wherein the two working mediums exchange heat through the heat exchanging element. The micro-scale heat exchanger is characterized in that one of the working mediums employs a supercritical state fluid, the other working medium is not limited, the size of the heat exchanging element is in a micro-scale range, the critical pressure of the supercritical state fluid is at least 0.5 MPa, the temperature of the supercritical state fluid is at least 200 DEG C higher than critical temperature, and micro-scale refers to that the geometric scale of the basic heat exchanging element is no more than 2 mm. The intercooling or intercooling recuperating layout provided by the invention overcomes the disadvantages of conventional intercooling or intercooling recuperating layouts, improves the cycle efficiency of the aero-engine and reduces the oil consumption rate of the aero-engine.

The invention provides a transmission case electromagnetic valve driving circuit and a control method of a transmission case electromagnetic valve. The transmission case electromagnetic valve driving circuit comprises a microprocessor chip, a communication interface chip, an operational amplifier and a power switch tube. The control method of the transmission case electromagnetic valve comprises the steps that: an external control instruction is connected to the microprocessor chip through the communication interface chip; the external control instruction is transmitted to the microprocessor chip; after the microprocessor chip receives the external control instruction, the microprocessor chip calculates and outputs a PWM signal according to a predetermined driving algorithm, the PWM signal drives the power switch tube, and the driving control of the electromagnetic valve is realized; the current of the electromagnetic valve is collected through a sampling resistor; collected current is processed by the operational amplifier and then is outputted to the microprocessor chip, and the microprocessor chip adjusts the output of the PWM signal according to a current sampling value; and at the same time, the microprocessor chip outputs switch-on and switch-off states of the electromagnetic valve and real-time current value to an external control end through the communication interface chip.

The present invention provides a seat buffer type electromagnetic fully variable valve control method, and implements the following steps for the rapid deceleration stage and stable seat stage of the valve: in the rapid deceleration stage, collect the peak velocity of the valve, the deceleration distance of the valve, and preset the valve Rapid deceleration target speed, the ECU calculates the damping force generated by the variable damping buffer device according to different peak speeds to change the speed of the valve, periodically collects the real-time speed of the valve, if the real-time speed of the valve is equal to the preset target speed of rapid deceleration of the valve, cancel Generate electromagnetic force; in the stable seating stage: collect the distance between the valve and the valve seat, if it is within the preset range, the ECU will reduce the voltage of the main control circuit of the variable damping buffer device to zero.

The invention discloses a monitoring structure and a method of a single pulse radar system automatic self-checking and a condition parameter. The structure comprises a coupler, a digital attenuator and a single-tool two-board switch. The structure is joined in the single pulse radar system. A radar transmitter signal is formed in a self-checking signal by the coupler and the radar transmitter signal is fed back in a radar receiving passage. The self-checking signal or a transmitter leakage signal is received by a receiver under the coordination between a receiving processing time sequence and processing algorithm of different models, thus the self-checking, calibration, delicacy automatic survey and transmitter condition detection of a radar system passage are achieved. According to the monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter, any periphery testing equipment is not needed to be added, thus the monitoring and survey of the calibration and the condition parameter of the single pulse radar system are achieved. The monitoring structure and the method of the single pulse radar system automatic self-checking and the condition parameter can be applied to an online testing system of the radar system widely.

The invention discloses a motor controller of an automobile. The motor controller comprises a motor, a motor controller body and a power supply battery. The motor controller body comprises an inverter circuit, a microprocessor and an overvoltage clamped soft protection system, at least one relay switch is arranged on direct-current bus, the power supply battery and the inverter circuit can be powered on or powered off under the control of the relay switches, the overvoltage clamped soft protection system can be started when the relay switches are abnormally tripped off and comprises a direct-current bus voltage quick detection circuit and the microprocessor, predicted voltage values are stored in the microprocessor and are compared to real-time voltage values by the microprocessor. The motor controller has the advantages that multi-channel control signals can be outputted by the microprocessor when the real-time voltage values are higher than the predicted voltage values, IGBT (insulated gate bipolar transistors) of upper bridge arms of various bridge arms are turned off under the control of the multi-channel control signals, IGBT of lower bridge arms are turned on under the control of the multi-channel control signals, voltages at two ends of each IGBT can be clamped, and accordingly effects of protecting the IGBT can be realized; the effects of protecting the IGBT can be realized by the motor controller, and accordingly the reliability and the safety of the motor controller can be improved.

The invention discloses a method for controlling a shared memory, which includes: obtaining operation commands and key information of requests for accessing the shared memory sent by an external system; accessing data, corresponding to the key information, in the shared memory according to the operation commands; and outputting access results. Due to the fact that data access is realized in the shared memory, requirement of quick response of the external system can be satisfied even if frequent read-write is implemented by the external system to the shared memory. In addition, access efficiency of the shared memory is not affected by scattered and fragmentary data storage, and accordingly, speed in data storage and data control is enhanced.

The invention discloses a method for loading WebView on a PC. The method comprises the following steps: S11, embedding an H5 page in Unity, and displaying the H5 page by using an Embedded Browser plug-in; S12, judging the type of an operation system needing to be deployed; S13, setting a browser label UA corresponding to the operation system type; S14, when the UA is set to be Android or IOS, directly calling a Native API of Android and IOS through UniVebView to achieve WebView loading of an internal page; and when the UA is set as the desktop system, calling the packaged interface unity to interact with the webpage. Therefore, the method for loading the WebView on the PC is realized, the PC end and the mobile end are synchronously supported, the workload of a developer is reduced, the specific timeliness is high, and the deployment effect is determined.

The invention discloses a high-flow high-pressure pneumatic switch valve which comprises a main valve and an electromagnet, wherein the electromagnet is located on the main valve and fixed on the main valve through a bolt. The electromagnet comprises an electromagnet support frame, an upper electromagnet body and a lower electromagnet body. The main valve comprises a valve body, a valve deck, a valve sleeve, a spring, a valve core seat and a valve core, wherein the valve core comprises a cone valve core body with a threaded hole, a valve core rod and a rubber ring. The high-flow high-pressure pneumatic switch valve can solve the problems that when high-pressure gas passes through an ordinary valve, the energy available value of the gas is reduced due to friction and the like, and the amount of the gas flowing through the ordinary valve is quite small, and can improve the energy utilization rate of a device in which compressed air is used for storing and supplying energy and the like; and meanwhile, the high-flow high-pressure pneumatic switch valve is simple in structure and is only composed of the electromagnet and the main valve, so that complexity and instability of the device are reduced, when the high-flow high-pressure pneumatic switch valve needs to be opened or closed, just the electromagnet needs to be powered on or powered off, the electromagnet responds fast, and therefore the response speed of opening and closing the valve is extremely high, the effect that the high-flow high-pressure pneumatic switch valve is opened and closed rapidly can be achieved, and the high-flow high-pressure pneumatic switch valve can meet the requirement on fast response of pneumatic automobiles and other vehicles.

The invention discloses a multi-agent and heterogeneous communication technology based micro-grid intelligent measuring and controlling terminal, a multi-agent system and a measuring and controlling method of the multi-agent system. An element Agent, a micro-grid Agent and an upper-stage power grid Agent form a micro-grid multi-agent system. The intelligent measuring and controlling terminal comprises a master control module, a data acquisition module, a protection control output module and a heterogeneous communication module. The data acquisition module acquires real-time data information of base layer elements in the micro grid, the master control module stores and processes the real-time data information and sends the real-time data information to an upper micro-grid Agent through the heterogeneous communication module. Meanwhile, the master control module receives control instructions of the micro-grid Agent through the heterogeneous communication module and transmits the control instructions to the base layer elements in the micro grid through the protection control output module to control the work states of the elements. The intelligent measuring and controlling terminal and method have the advantages of being capable of achieving mutual communication of micro-grid complex heterogeneous communication networks, wireless, small in size, low in power consumption, low in cost and capable of improving the micro-grid safe and stable operation and power generation efficiency greatly.

The invention discloses an ultra-weak optical fiber grating perimeter security system and method, wherein the system includes: a detection optical cable, which is armored by optical fibers with a large number of ultra-weak grating arrays to form a micro-vibration optical cable; an inquiry unit is connected with the detection optical cable. It is used to separate and demodulate the reflection signal of the target grating in the array; the control unit is connected with the query unit, and is used to generate a pulse control signal and extract the wavelength demodulation signal synchronously, and determine and locate the intrusion behavior through signal processing and pattern recognition. The invention solves the multiplexing problem of multiple gratings in the traditional perimeter security system, allows the wavelength change of the grating caused by the local force when the grating is cabled and laid, the preparation and laying of the optical cable are simple, and the perimeter security system has high sensitivity and high sensitivity through optimized control. With the advantages of fast response, accurate positioning, and compatibility with perimeter security and temperature sensing, it has important application prospects in the field of perimeter security.

The invention discloses an unattended radioactive contamination monitoring apparatus which includes a plastic scintillator, a sodium iodide detector, an automatic control device, a remote online monitoring terminal, a water suction pump, a filtering net, a first valve, a second valve, a water tank and a water storage tank, wherein the automatic control device includes a MCU module, a power module, a wireless communication module and a GPS module, and the sodium iodide detector includes a sodium iodide liquid detector and a sodium iodide gas detector. The power module, the wireless communication module, the GPS module and the sodium iodide detector, the first valve and the second valve are respectively connected to the MCU module; the sodium iodide liquid detector is arranged inside the water tank which is provided therein with a water gauge. The monitoring apparatus can operate automatically, and features in low power consumption, intelligence and having no requirements for personnel attendance. For river upstream and downstream areas in remote regions where mainland nuclear stations are often located, the monitoring apparatus can perform multi-point deployment and control and help the monitoring method to go forward and networked.