49results about How to "Realize hierarchical control" patented technology

The invention relates to the technical field of urban road rainwater treatment, in particular to a kerb with the drainage function and the pollutant intercepting function in an urban road rainwater treatment system. The kerb comprises a water inlet, an overflow port, a drainage channel, an overflow channel and a rainwater grating. The rainwater grating is arranged at the water inlet, the included angles between grating bars of the rainwater grating and the inflow direction of the rainwater runoff ranges from 108 degrees t 135 degrees, and the drainage channel is arranged at the bottom of the overflow channel and communicated with a catch basin. The kerb has certain drainage capacity, can make excessive rainwater flow into the greenbelt so as to effectively delay occurrence of the peak value, and can effectively improve the overall drainage capacity of an urban road and reduce the occurrence frequency of urban inland inundation. The kerb further achieves hierarchical control over rainwater runoff pollutants, effectively improves the quality of discharged rainwater and reduces rainwater runoff pollution loads. The kerb can be produced through a modular unit and thus is convenient to construct, install, clean and maintain.

The invention discloses a registration control method and a registration system, which are used to solve the technical problem that the registration system is not intelligent enough. The method includes: receiving a first reservation registration request sent by a first reservation registration account; wherein, the second An appointment registration request is used to request the diagnosis and treatment of diseases by the first doctor within the first time period; determine whether the remaining registration places among the M registration places are less than or equal to the first predetermined number; if less than or equal to the The first predetermined number, judging whether the first reservation registration request meets the predetermined priority registration condition; when the first reservation registration request meets the predetermined priority registration condition, accept the first reservation registration request, and send to the The first pre-registration account sends a reminder message that the registration is successful.

The invention provides a vehicle internal security monitoring system and monitoring method, and belongs to the technical field of vehicle security. The vehicle internal security monitoring system comprises a vehicle internal detection device for detecting whether there are passengers in a vehicle, vehicle internal oxygen surplus condition, temperature and so on and feeding back the information; and a vehicle monitoring controller which receives the detection data returned by the vehicle internal detection device and sends a control instruction to an execution unit according to the detection data, thus controlling the execution unit to work. According to the monitoring method, the vehicle internal security is protected based on the vehicle internal security monitoring system. According to the method and the system, the execution unit of the vehicle is controlled to carry out different levels of control according to the detection results of an oxygen detector and a heat energy detector; the attention of pedestrians, a driver and the passengers can be aroused; the risk resulting from conditions such as lack of oxygen and heating confronted by the people remained in the vehicle can be reduced, and the system reliability is high.

The invention discloses a two-stage vibration reducing ankle-foot integrated parallel low-impact walking foot mechanism and a controlling method, which can be used for effectively reducing foot-ground impact force and are capable of performing active control. The walking foot mechanism comprises a foot-leg connecting platform, a food end bottom connecting platform, three groups of moving pairs, three groups of revolute pairs and three groups of ball pairs, a lower platform simulates the foot end of a robot, the moving pairs are driving pairs, and are used for simulating legs of the robot, an anti-vibration pad, with frictional force, is inlaid in the lower surface of the food end bottom connecting platform, and is used as first-stage vibration reduction, the three groups of moving pairs are arranged in a mirror symmetry manner, and each group of moving pair comprise a hydraulic cylinder, a spring damper, a servo valve and a controller, wherein the spring damper sleeves a cylinder piston rod of the hydraulic cylinder, and is used as second-stage vibration reduction, so that the whole mechanism forms a lower-mobility parallel mechanism with a three freedom degree structure, and two rotational freedom along the directions of x and y and a translational freedom degree along the direction of z are realized. The mechanism and method provided by the invention have the advantages that the plan and control of the robot are flexible and reliable, and the stability is high.

The invention relates to the field of controlling industrial processes, in particular to a fuzzy control system applied to household indoor air conditioning temperature and a method thereof. The fuzzy control system comprises a temperature detector, an amplifier, a comparator, a differentiator, a fuzzy controller, a heater and a cooling water valve. By using a fuzzy control regulation, the control method realizes efficient optimization of an air conditioning fuzzy control method by setting a new error function variable. The system and the method realize automatic control by replacing manual operation with mechanical operation, transform fuzzy languages into numeric calculation, and can ensure high adaptive capacity of the control system.

The invention discloses an automobile electric tail door ECU control main board. The automobile electric tail door ECU control main board comprises a main board body, a microprocessor arranged on themain board, an EEPROM circuit module, a high-speed CAN transceiver, a first bridge type motor drive module driving a supporting rod motor, a power supply power module, a power source reverse connection protection circuit module, a high-end voltage drive module driving a tail door unlocking motor, a second bridge type motor drive module driving a tail door self-suction motor, a debugging downloading connector facilitating peripheral equipment inserting and connecting, and a data state monitoring connector. The input end of the high-speed CAN transceiver is electrically connected with the outputend of a signal collection module. The signal collection module is electrically connected with an electric supporting rod motor Hall sensor, a tail door unlocking motor Hall sensor and a tail door self-suction motor Hall sensor. The output end of the high-speed CAN transceiver is electrically connected with the microprocessor. The ECU control main board is stable in performance, program upgradingis convenient, the maintaining cost is low, power source step control is achieved, power supply is stable, power source reverse connection protection is achieved, reliability is high, and the fault rate is low.

The embodiment of the invention provides a playing control method and device, and a terminal. The method comprises the steps of obtaining a plurality of pieces of network delay of a plurality of playing devices; selecting transition devices and slave devices from the plurality of playing devices according to the plurality of pieces of network delays; and sending control commands to the transition devices, thereby enabling the transition devices to control the slave devices to carry out synchronous playing. According to the scheme, the playing devices are divided into the transition devices and the slave devices according to the network delay between the playing control device and the playing devices, so the leveled control over a playing system can be realized, and the network delay between the playing control device and the playing devices can be reduced. Compared with the prior art, the method, the device and the terminal have the advantage that the audio data playing synchronism among the plurality of playing devices can be improved.

The invention discloses a flow control valve special for an air spring with an additional air chamber. The upper part of a pipe body of the control valve is provided with a control chamber a, the lower part of the pipe body of the control valve is provided with a pipeline c which is coaxial with the control chamber a and is connected with the additional air chamber, and the side part of the pipe body of the control valve is coaxially connected with a control valve core; the control valve core is sequentially and continuously provided with a d section, an e section, an f section, a g section and an h section, and the cross sections of the d section and the e section are circular and are respectively in clearance fit with the inner diameter of the control chamber a and the pipeline c; the cross sections of the f section and the g section are round platforms the outer diameter of which decreases sequentially; the cross section of the h section is conical; and the e section, the f section, the g section and the h section extend into the pipeline c to form different through-flow cross section areas, and the stepping control of the through-flow area is realized; when the changes of a damping ratio is dramatic as the changes of the through-flow areas, the flow-through areas change slowly, and the regulation is more accurate; and the change of the damping ratio as the changes of the flow-through areas is slower than the changes of the through-flow areas, and the regulation is more flexible.

The invention discloses a point-to-point wireless power supply coil coupling model and a point-to-point wireless power supply system. The point-to-point wireless power supply coil coupling model comprises a transmitting resonant ring and a receiving resonant ring. The transmitting resonant ring and the receiving resonant ring in the point-to-point wireless power supply coil coupling model are coupled to each other, the resonant frequency of the transmitting resonant ring is identical to the resonant frequency of the receiving resonant ring, that is, the transmitting resonant ring and the receiving resonant ring stay at a magnetic resonance state, and the transmitting resonant ring and the receiving resonant ring, which stay at the magnetic resonance state, can improve the transmission efficiency in the wireless power supply process.

The invention discloses a high-speed railway traction system stepped regulation and band suppression EMI filter, which comprises three input lines connected to equipment, and is characterized in thatthe L-line and N-line are respectively provided with differential-mode inductors, and a common-mode choke coil is connected between the L-line and the N-line; n common-mode capacitor banks are connected between upper and lower output ends of the common-mode choke coil and the PE-line, and each common-mode capacitor bank includes two common-mode capacitors and a switch; the upper output end and thelower output end of the common-mode choke coil are connected to n differential-mode capacitor banks, each differential-mode capacitor bank includes a differential-mode capacitor and a switch, each common-mode capacitor bank forms a switched capacitor bank together with one differential-mode capacitor bank, and N switched capacitor banks are arranged according to requirements. The invention further discloses a design method of the high-speed railway traction system stepped regulation and band suppression EMI filter. The filter disclosed by the invention is reliable in operation. The filter design method is simple and easy to implement.

The invention relates to a method for detecting the specific area of iron oxide powder, which comprises the following steps: pouring 1.5g of deaerated iron oxide powder into an analyzer tube, and vacuumizing the analyzer tube; raising the beaker filled with liquid nitrogen until all the sample in the analyzer tube is submerged under the liquid level of the liquid nitrogen; and injecting helium gas into the analyzer tube to apply pressure, selecting five pressure points within the range of 150-780 mmHg, and analyzing each point for 8 minutes, wherein the average value of the five detection points is the final detection value of the specific area. By implementing the invention, the detection accuracy and precision completely meet the user requirements and standard requirements, thus the invention provides a new way and method for detecting the specific area of iron oxide powder. Therefore, the invention realizes step control on the iron oxide powder and selling according to quality, and can increase the selling price by over 50 yuan per ton.

The invention provides a new type accurate regulating device for venous transfusion. The new type accurate regulating device consists of an upper catheter, a reserved tube cap, a reserved tube, a regulating nut, a valve seat hole, a valve seat, a zigzag tube wall, regulating threads, a valve core, a guide support, a Murphy tube and a lower catheter, and is characterized in that the zigzag tube wall of the Murphy tube can be elongated or compressed under the screwing action of the regulating nut and the regulating threads, and drive the valve core in the Murphy tube to move; with the change of the valve core in position on the axis of the lower catheter, the through-flow area of the lower catheter is changed; therefore, the accurate regulation on transfusion velocity is realized; the lower part of the lower catheter is of a U-shaped elbow structure, so that the air can be prevented from entering a transfusion tube, and the transfusion can be automatically stopped. The device has the characteristics of accuracy in dropping speed regulation, automatic exhaust, automatic transfusion stop and the like.

The invention provides a hot continuous rolling production line finishing mill front vertical roller short stroke control method. The method includes the following steps that S1, the target band steel width H, the waiting allowance RD and the short stroke allowance SS are set; S2, a finishing mill front vertical roller is adjusted to reach a waiting position; S3, the finishing mill front vertical roller is adjusted to reach a rolling position. The whole operating process is completely based on an existing control host, the short stroke value of the finishing mill front vertical roller can be directly set and modified on the control host through program embedded supplementation, and the short stroke of the finishing mill front vertical roller is controlled in a layered and specialized mode under different conditions that specifications, steel types and the like are distinguished instead of an existing single short stroke.

The invention discloses a multistage gradient continuous crystallization method suitable for a reaction crystallization process, and relates to the field of industrial crystallization process continuation and control. According to the invention, grading of an oil separation stage and a crystallization process is realized, the whole crystallization process can be effectively controlled, grading control of nucleation and crystal growth is realized, and the product quality, purity and uniformity can be improved; in addition, the synergistic regulation and control of the pH value and the temperature are further realized, and the accurate control on the product quality is realized; products with different size distribution can be obtained, and particle size grading is realized; an intermediateacid adding process is achieved through a mixer, the solution mixing performance is improved, sedimentation of crystals in a crystallizing tank is reduced through discharging of each stage of crystallizing section, temperature grading control can be achieved, and heating, dissolving and cleaning of the crystallizing tank are achieved.

According to a power-off control circuit and the power-off control method provided by the invention, the current of the PSE power supply is obtained through the current detection circuit and is converted into the voltage, and the second PSE chip is controlled through the second overcurrent comparison circuit according to the voltage, so that power-on and power-off of the PD corresponding to the second PSE chip are controlled. When the PD corresponding to the second PSE chip is powered off, the output end of the second overcurrent comparison circuit inputs a proper comparison voltage to the second input end of the first overcurrent comparison circuit through the voltage control circuit, so that the first overcurrent comparison circuit can control the first PSE chip according to the voltage, thereby controlling the power-on and power-off of the PD corresponding to the first PSE chip. Therefore, part of the PDs can be powered off firstly, the other part of the PDs are controlled to be powered on and powered off after part of the PDs are powered off, hierarchical control over power-off of the PDs is achieved, when the load changes, unimportant PDs can be controlled to be powered off firstly, important PDs are controlled finally, and influences are reduced.

The invention provides a chip upgrading method, a main control chip and a chip, and the chip upgrading method comprises the steps that the main control chip obtains an upgrading file, wherein the maincontrol chip is used for upgrading a plurality of levels of chips, and each level comprises at least one chip; the main control chip establishes a communication channel with the storage chip in the chip of each level, wherein the storage chip is a storage chip for storing programs in the chip; the main control chip selects a chip of a hierarchy corresponding to the upgrading file from all the chips of the hierarchy according to the upgrading file, wherein the chips of all the layers comprise chips of each layer, and a communication channel is established between the chips and the main controlchip; and the main control chip issues the upgrading file to the storage chip in the chip at the level corresponding to the upgrading file through the communication channel, so that upgrading of allthe chips in the chip at the level corresponding to the upgrading file is realized at one time, and hierarchical control of the electronic equipment is realized at the same time.

The invention relates to a multi-time scale micro-grid layered stability control method. Combined control of three time scale levels, namely the minute level, the second level and the millisecond level, is constructed; second-level dispatching and millisecond-level dispatching are performed on the basis of minute-level dispatching; the objective of the minute-level dispatching is the minimum operation cost of a micro-grid, the objective of the second-level dispatching is the stable operation of the micro-grid, and the objective of the millisecond-level dispatching is the instantaneous power balance of the micro-grid in an isolated grid state. The method achieves comprehensive regulation of distributed power, energy storing devices, public grid exchange power and load switching in micro-grid systems and reasonable distribution control to the distributed power, the energy storing devices and the public grid exchange power, thereby improving the instantaneity of power balance, remarkably improving the accuracy of stability control of micro-grids and achieving low-cost operation of micro-grid systems.

The invention provides a die-mixing shield tunneling machine. The die-mixing shield tunneling machine comprises a shield shell, a cutter disc, a soil bin, a spiral conveyor, an injection device, a propulsion unit, a belt conveyor, a steel wire shield tail sealing brush, a sensor system and a controller. The injection device comprises a slurry injection device, a foam injection device, a gas injection device, a conveying pipe and a control valve. The gas injection device communicates with the conveying pipe, the slurry injection device and the foam injection device are connected with the conveying pipe through pipes, and the conveying pipe is connected with the soil bin. The control valve is arranged on the junction of the slurry injection device, the foam injection device and the gas injection device. The controller is connected with the sensor system and the control valve separately and receives an electric signal transmitted by the sensor system, so as to control the control valve tobe switched on or switched off, and thus the slurry injection device or the foam injection device or the gas injection device communicates with the soil bin.

The invention provides an engine thermal management system, comprising a first cylinder head heat dissipation circuit composed of a coolant pump, a three-way valve, a cylinder head cooling jacket, a first temperature sensor and a first thermostat, a coolant pump, a three-way The valve, the cylinder block cooling jacket, the second temperature sensor and the second thermostat constitute the first cylinder block heat dissipation circuit, the coolant pump, the three-way valve, the cylinder head cooling jacket, the first temperature sensor, the first thermostat and the heat dissipation The second cylinder head heat dissipation circuit and the coolant pump, the three-way valve, the second temperature sensor, the second thermostat and the radiator form the second cylinder block heat dissipation circuit; on this basis, the present invention also provides an engine Thermal management method: It can carry out targeted thermal management according to the actual thermal load of the cylinder block and cylinder head, avoiding the local excessive cooling or insufficient cooling that is easily caused by traditional thermal management methods, and ensuring that all parts of the engine are at a suitable temperature. It is beneficial to improve the working efficiency and service life of the engine.

The invention discloses a novel wireless induction coil sensor power supply method. According to the invention, a signal generator generates a signal with a frequency needing to generate resonance, and provides the signal to an energy transmitting coil, the energy transmitting coil and a capacitor form resonance, and a power signal is outwards transmitted to an energy repeating coil; the energy relay coil relays energy of the transmitting coil to the receiving coil, the receiving coil and the internal capacitor form a resonance circuit, changes of an electromagnetic field are detected, a resonance phenomenon occurs to form current, finally, a power supply needed by a load is formed through the voltage-stabilized power supply, and a power supply used for working of the sinusoidal signal generator is generated through the DC power supply. A sinusoidal signal generates two complementary sinusoidal power supplies through the signal up-down power operational amplifier, the two sinusoidal power supplies are provided for the capacitor array and the transmitting coil to generate resonance, the resonance is transmitted to the space in the form of electromagnetic waves, a resonance circuit formed by the capacitor array and the power receiving coil forms alternating current, and then direct current voltage is formed through the bridge rectifier circuit. The direct current voltage is supplied to a charge pump for storing the energy.

The invention relates to the technical field of video conferences, in particular to a remote video conference system and method, and the system comprises a video conference terminal which is in data connection with a multimedia gateway and is used for collecting multimedia data of a user or a conference place and uploading the multimedia data to the multimedia gateway; the multimedia gateway comprises a multimedia distribution module, a multimedia output module and a multimedia input module, the multimedia input module is used for receiving multimedia data input by the video conference terminal or superior equipment, and a multimedia distribution matrix is stored in the multimedia distribution module; and the multimedia distribution module is used for constructing distribution data according to the multimedia distribution matrix and outputting the distribution data to the corresponding video conference terminal through the multimedia output module. According to the remote video conference system and method, the problems that an existing video conference system cannot independently distribute, regulate and control multimedia data and is inconvenient to supervise and control can be solved.

The embodiment of the invention provides a playing control method and device, and a terminal. The method comprises the steps of obtaining a plurality of pieces of network delay of a plurality of playing devices; selecting transition devices and slave devices from the plurality of playing devices according to the plurality of pieces of network delays; and sending control commands to the transition devices, thereby enabling the transition devices to control the slave devices to carry out synchronous playing. According to the scheme, the playing devices are divided into the transition devices and the slave devices according to the network delay between the playing control device and the playing devices, so the leveled control over a playing system can be realized, and the network delay between the playing control device and the playing devices can be reduced. Compared with the prior art, the method, the device and the terminal have the advantage that the audio data playing synchronism among the plurality of playing devices can be improved.

The invention discloses a crystal control rotation integrated control system based on vacuum coating. Compared with the prior art, the crystal control rotation integrated control system comprises an upper computer used for monitoring coating process equipment and transmitting and receiving control signals, a PLC main control module connected with the upper computer, a control management module connected with the PLC main control module, a first control module, a second control module, a rotation driving execution module, a rotating stand mounting execution module, a water cooling circulation execution module, a temperature regulation and control detection module, a gas regulation and control detection module, a film thickness regulation and control detection module, a communication session system, a coating execution terminal and a coating detection terminal; wherein the first control module and the second control module are connected with the control management module; the rotation driving execution module, the rotating stand mounting execution module and the water cooling circulation execution module are connected with the first control module; the temperature regulation and control detection module, the gas regulation and control detection module and the film thickness regulation and control detection module are connected with the second control module; the communication session system is in communication connection with the first control module and the second control module; and the coating execution terminal and the coating detection terminal are arranged on the coating process equipment and are connected with the communication session system. Compared with the prior art, a multifunctional transmission device and the execution terminal can be integrally controlled to carry out coating operation, and the coating control precision is improved.

The invention discloses a digital control device and method for the oil temperature of a gearbox of a wind driven generator. The device comprises a temperature measuring module, a digital quantity processor module, a driving module and a power supply. The oil temperature value of the gearbox of the wind driven generator is measured through the temperature measuring module and provided for the digital quantity processor module, the digital quantity processor module controls on-off of three relays in the driving module according to the oil temperature measuring value, and then three electromagnetic valves at an oil inlet of the gearbox of the wind driven generator are controlled. By judging whether oil in the gearbox of the wind driven generator passes through a cooler or not, graded digitalcontrol that the oil temperature of the gearbox of the wind driven generator cannot exceed the rated working range is achieved, a mechanical temperature control valve with the high failure rate is replaced, and safe and stable operation of the wind driven generator is guaranteed; and frequent replacement of the temperature control valve is avoided, the production cost of a wind power plant is reduced, the influence of the oil temperature of the gearbox of the wind driven generator on a wind driven generator body is reduced, and reliable operation of the wind driven generator is guaranteed from the perspective of the oil temperature of the gearbox.