166results about How to "Realize the control effect" patented technology

The invention relates to a discrimination and quality control system for multi-edge broadband access service and a method thereof. The system comprises a service strategy application interface, a dynamic service tactical management platform and down flux service strategy actuating equipment, wherein the service strategy application interface is used for enabling a user terminal to send a service strategy service request to the dynamic service tactical management platform, and the request contains service control parameters; the dynamic service tactical management platform is used for making network control strategies according to the service control parameters, and distributing the network control strategies to the down flux service strategy actuating equipment, and the network control strategies contain service quality parameters; and the down flux service strategy actuating equipment is used for receiving and executing the down traffic flow control strategies distributed from the dynamic service tactical management platform, and applying the down traffic flow control strategies to the user terminal. The invention realizes the accurate management and control on the up and down traffic flow of the access network, the collaborative control on various service strategies and the unified management of various service attributes by operators.

The invention provides an energy-saving and stable distributed-type electric automobile driving control method. The energy-saving and stable distributed-type electric automobile driving control methodcomprises the following steps that, 1, longitudinal force is estimated; 2, the yaw velocity and the side slip angle are estimated; 3, an upper layer controller is designed; and 4, a lower layer controller is designed. According to the energy-saving and stable distributed-type electric automobile driving control method, vehicle yaw stable control and energy optimization are effectively combined together, and the multi-objective vehicle control effect under a single control strategy can be achieved; in the energy optimization process, the energy-saving effect brought by optimizing distributionof torque of front and rear wheel hub motors is taken into account, the theoretical foundation and feasibility of achieving energy saving through the torque in the steering process are further proved,and a new torque optimizing distribution scheme which takes stability, motor energy saving and steering energy saving into account is provided. The energy-saving and stable distributed-type electricautomobile driving control method can be used for replacing a GPS and an inertial navigation device to obtain the vehicle yaw velocity and the side slip angle, the estimated cost is reduced, and the foundation is provided for vehicle control.

The invention relates to an energy management method for an electric quantity maintaining stage of an external charge type hybrid vehicle, which comprises the following steps: designing integrated control curves of each shift according to an optimal fuel economy curve of an engine of a target vehicle and the speed ratio of a speed changer; and designing a control method of the shifts of the speedchanger, the opening of an electronic air throttle of the engine and the torque of a motor by using the opening of an accelerator pedal, the vehicle speed and the charge state value of a storage battery as control parameters. The method can control the electronic air throttle of the engine, the torque of the motor and the shifts of the speed changer in real time so as to ensure that the engine canrun along an optimal efficiency curve. When the advantages of high transmission efficiency, low cost, and the like of an electric control type automatic transmission are exerted, the control effect of a conventional stepless transmission is realized, and the defects of complicated manufacturing process, high manufacturing cost, low strength of a transmission belt, short service life, and the likeare also avoided.

The invention provides an antitumor prodrug with novel amphiphilic hyper branched polyester as a carrier and a preparation method thereof. The novel biodegradable amphiphilic hyper branched polyester is constructed as being based on dimethylol propionic acid, an oligomer of glycolic acid or lactic acid and polyethyleneglycol or polyethylene glycol monomethyl ether. A peripheral functional group of the obtained hyper branched polymer is a hydroxyl group. The hyper branched polymer is reacted with estolide to be transformed into the hydroxyl group, the hydroxyl group is esterified with antitumor drug with the existence of condensing agent to obtain a prodrug of the antitumor drug. The introduction of the oligomer of the glycolic acid or the lactic acid or an alternative oligomer thereof improves the biocompatibility of drug carrier material, and the degrading speed of the oligomer in body is controlled by regulating the polymerization degree and the chemical composition of the oligomer to realize the action of controlling the release speed of the drug, so that the invention has very good drug sustained controlled release action and avoids the toxic side effect to normal cells caused by the burst release of the antitumor drug. The prodrug has an amphiphilic property, so that the prodrug can be made into a water-based preparation and improves the hydrophilicity of the antitumor drug greatly.

The invention discloses a self-actuated air flow control pipe fitting. The pipe fitting comprises a tubular valve body and an air inlet orifice plate and an air outlet orifice plate; the air inlet orifice plate is sealed by one end of a conical valve core which is matched with a moving orifice plate and a spring in the valve body, and the other end extends into the air outlet orifice plate to form an outlet circulation annular space. Air flow passes the air inlet orifice plate to propel the conical valve core to shift along the flow direction, thus changing area of the circulation annular space. The area of the circulation annular space decreases if the air flow pressure increases; the area of the circulation annular space increases if the air flow pressure decreases; meanwhile, adjustment and control of the self-actuated flow rate are realized by dynamic compensation of the compression force of the spring and change of equilibrium pressure. The pipe fitting is characterized in that the pipe fitting is only provided with an air chamber, and one valve core in the air chamber has both functions of starting a self-actuated valve and adjusting the flow rate, thus the pipe fitting has the advantages of simple and compact structure, small size, and convenient manufacture and use, and the pipe fitting is especially suitable for the flow control within the exhalation pressure range.

The invention provides a passive fault-tolerant control method of an automotive active suspension and relates to the technical field of automobile suspension control. The fault pre-considered passive fault-tolerant control method of the automotive active suspension is offline designed by using the active suspension of the automobile as the research object, combining the shortcomings or defects existing during completed fault-free component and part based research by combining current automotive active suspension control based on a fault-tolerant control theory, using the reliability and usage quality improvement of automotive active suspension control and suspension design method optimization as targets, avoiding parameter perturbation and actuator faults of the automotive active suspension and meanwhile considering time-domain hard constraints of a suspension system. The passive fault-tolerant control method can ensure the stability and safety of the active suspension system, and the taking comfort and control stability of an automobile are improved.

The invention discloses a safety control system for a fork of a forklift and a method of the control system. A controller acquires a fork angle signal detected by a tilt angle sensor, a fork altitudesignal detected by an altitude switch and a fork load signal detected by a load sensor, controls the opening changes of a forward tilting solenoid valve, a backward tilting solenoid valve, a lifting solenoid valve and a falling solenoid valve, and realizes a fork extreme position buffer function, a fork forward tilting angle limiting function, a fork backward tilting speed limiting function and afork one-key leveling function. The safety control system and the method realize fork low-position buffer control, high-altitude forward tilting angle control, backward tilting speed control and one-key leveling control, so that the safety, the comfort and the convenience of drivers are improved.

The invention relates to a control method of an ultra-high direct-current transmission voltage, which is characterized by comprising the following steps: (1) in a pole control system on the inversion side, calculating the voltage drop between a direct-current line and an earthing pole line according to the direct current and direct-current voltage of the local pole, the direct current of the opposite pole and the direct-current voltage of the opposite station, and setting the reference value of the direct-current voltage as the voltage level of the single valve bank on the rectifying side; (2) and subtracting half of the voltage drop between the direct-current line and the earthing pole line from the reference value of the direct-current voltage to obtain the control device voltage reference value of each valve bank, controlling the direct-current voltage on the two ends of the local valve bank to the obtained voltage reference value, and determining the operating voltage level on the rectifying side by using the direct-current voltages of the two valve banks. The invention solves the technical problems in rectifying-side fixed current control and inversion-side fixed voltage control in the ultra-high direct-current transmission engineering.

The invention discloses a rural sewage wastewater recycling system with remote monitoring function, comprising a water inlet, a filter mesh, a sewage pool, a conveying pipe, a water pump, a mixed mud precipitating pool, a valve, a pressure sensor, a dewatering pool, a sterilizing tank, a sludge collector tank, nozzles, a controller, a storage battery, a support, a solar panel, a microprocessor, a water detector, a filter tank and a dosing tank; the nozzles are 3 m spaced, the filter mesh is 1 mm in mesh diameter, and the conveying pipe is made of aluminum-plastic composite; by providing remote monitoring, it is possible to implement remote detection and control, there is no need for special arrangement of managers, monitoring and controlling are facilitated, the system is greatly optimized, and the need of people for wastewater treatment is met.

The invention discloses an intelligent lamp post control system which comprises an intelligent lamp post, a core gateway and an intelligent cloud platform; a camera, an advertisement screen, a charging pile, a meteorological station and other peripherals on the intelligent lamp pole are networked through the core gateway, power management is carried out, and then data transceiving with the intelligent cloud platform is carried out through the core gateway so as to realize remote communication and remote monitoring. In the present invention, according to the intelligent lamp post control system, the embedded core gateway is adopted, all external power supply devices on the intelligent lamp pole can be communicated with the core gateway; the core gateway is enabled to perform integrated management on the power supply so that the control effect of remote independent power-on and power-off of each peripheral device can be realized, all spare parts on the intelligent lamp pole can be integrated, hardware upgrading can be performed from product integration and product performance, the safety of product wiring can also be enhanced and intelligent control of the intelligent lamp pole can be more facilitated.

The invention relates to a vibrating machine MCU (microprogrammed control unit) control device, in particular to a high vibrating-intensity performance vibrating machine MCU (microprogrammed control unit) advance control device and a control method thereof, and belongs to the technical field of vibrating utilizing engineering. A closed-loop control system is formed by an upper computer, a frequency converter, a single-chip computer, an integral charge amplifier, a sensor and vibrating machine. The upper computer is used for interacting information with the single-chip computer, downloading and uploading programs and operating real-time monitoring to the operation of the single-chip computer combing VB (visual basic) program. By utilizing the single-chip computer, a digital-to-analogue conversion extended module on periphery of the single-chip computer and the frequency converter together, digital quantity can be converted into analog quantity which is connected with a frequency converter 0-5 V voltage frequency setting port through the digital-to-analogue conversion extended module to perform frequency converting control to the frequency converter, so that changeable sine wave period outputting setting of frequency curve can be realized, and different rotate speed of the vibrating machine can be further controlled.

The embodiment of the invention discloses a customer service function access method and a related device. The method comprises the steps that when a target applet needs to be accessed to a customer service session plug-in system to obtain customer service, the customer service session plug-in system can obtain channel parameters sent by the target applet, and the channel parameters are used for identifying configuration information needed by the customer service session plug-in system to be accessed to the target applet. And if the configuration of the target applet is successful according tothe channel parameter, completing the access of the target applet and the customer service session plug-in system, and returning a configuration success message to the target applet. Customer servicesession plug-in system access applets are carried out in a specific mode of channel parameters, customization of requirements of the customer service session plug-in system by the applets is realized,and one customer service session plug-in system can reuse a plurality of applets. Any applet does not need to independently develop a customer service system any more, the customer service session plug-in system can be conveniently accessed through the channel parameters, and applet development and maintenance cost is reduced.

The invention discloses a moulded coal additive, which consists of the following materials with the weight percentage: 0.7 to 1.4 percent of magnesia, 4 to 7 percent of potassium permanganate, 1 to 3 percent of olefin, 2 to 6 percent of potassium chlorate, 2 to 6 percent of potassium nitrate, 2 to 6 percent of sodium nitrate, 3 to 7 percent of manganese dioxide, 0.8 to 2 percent of calcium carbonate, 0.5 to 2 percent of cobalt chloride and the balance of sodium chloride. The adding of the moulded coal additive can lead the moulded coal to be burnt more completely, thereby improving the burning efficiency. The moulded coal additive can lead the sulfur in the moulded coal to participate in burning; while the sulfur which can not be burnt completely can form metallized sulfur and be solidified with soot, deposited with coal slag, and is not discharged with smoke and gas, thus achieving clean burning with non-pollution emission; moreover, all coal boilers do not need to be additionally provided with any attached desulfurizing and dust-removing device and environment-friendly burning can be realized without any limitation.

The invention discloses a traveling losing prevention system, which comprises a tour guide terminal, a tourist terminal and a monitoring platform, wherein the tour guide terminal comprises a first warner, a first display and a first controller, the first warner and the first display are connected with the output end of the first controller, the tourist terminal comprises a second warner, a second display and a second controller, the second warner and the second display are connected with the output end of the second controller, the second controller is provided with an SOS (save our souls) rescue module, the tour guide terminal and the tourist terminal are connected through infrared communication, and the SOS rescue module, the tour guide terminal and the tourist terminal are connected with the monitoring platform through a mobile wireless communication network. The traveling losing prevention system has the advantages that through the infrared communication between the first controller and the second controller, the real-time monitoring and warning on the current state of tourists in scenic spots is realized, and an effect of avoiding the tourist losing is reached; information sent by the SOS rescue module is received through the monitoring platform, and an effect of positioning the geographic positions of the tourists is reached.

The invention relates to a microgrid voltage type self-synchronizing inversion device and method with a voltage perturbation estimator, and belongs to the technical field of microgrids. According to the device and the method, a microgrid inverter can automatically track the amplitude value, frequency and phase angle of grid voltage during grid connection, and the traditional phase-locked loop is not needed, so that the impact current at the moment of grid connection is avoided, and the regulation time can be shortened. When the inverter accesses the microgrid, the self-synchronization operation of the voltage type inverter is realized, and the control effect of plug and play is realized.

The invention provides an anti-tumor predrug by taking novel amphipathic dendritic macromolecules as carriers based on glycerol as a branching unit and a preparation method thereof. The novel amphipathic dendritic macromolecules that are biodegradable are constructed based on glycerol and glycolic acid oligomer, lactic acid oligomer, glycolic acid and lactic acid alternative oligomer, glycolic acid, lactic acid and amino acid alternative oligomer, and copolymerization oligomer of all as well as polyethylene glycol or polyethylene glycol monomethyl ether; and the novel amphipathic dendritic macromolecules are in bonding reaction with anti-tumor medicines under the existence of a condensing agent, thereby obtaining the predrug of the anti-tumor medicines. The anti-tumor predrug improves the biocompatibility of medicinal carrier materials better, regulates and controls the degradation speed of the medicinal carrier materials in the human body by regulating the polymerization degree and the chemical compositions of oligomer simultaneously, realizes the regulation and control functions to release speed of medicines, has better medicinal slowly-controlled release function and avoids causing toxic and side effects to normal cells due to burst release of anti-tumor medicines.

The invention relates to a coupling three-container liquid level control method based on a port controlled Hamiltonian principle, and belongs to the technical field of electro-hydraulic position servo control. The method comprises the following steps: S1, constructing a three-volume liquid level system model; S2, constructing a PCH model of the three-capacity liquid level system: obtaining a port controlled Hamiltonian model of the three-capacity liquid level control system according to the three-capacity liquid level control system given in the S1; S3, analyzing a three-volume liquid level control principle: S31, determining parameters and avoiding disturbance condition: because all parameters are accurate, obtaining a basic PCH controller based on a PCH method; S32, performing L2-gain disturbance compensation control under the condition that parameters are known; S33, performing adaptive L2 gain disturbance compensation control under the condition that parameters are unknown; and S4, simulating the three-capacity liquid level system. The electro-hydraulic position servo control system can be widely applied to electro-hydraulic position servo control occasions.

The invention provides a synchronous tracking control method of a main mechanical arm and an auxiliary arm based on quantitative communication. The synchronous tracking control method comprises the following steps: S1, the movement modes of the main mechanical arm and the auxiliary mechanical arm are set respectively; S2, the position information and speed information of a main mechanical arm joint and an auxiliary mechanical arm joint are acquired respectively; S3, quantization processing is carried out on the obtained relevant information through a probability quantizer to obtain quantitative information; S4, the quantized information is sent into a controller, and the control moment of the auxiliary mechanical arm is controlled; S5, the controller sends a control instruction to the auxiliary mechanical arm, the corresponding operation is completed from the auxiliary mechanical arm, and a synchronous following control period is completed; and S6, S1 and S5 are repeated, and followingcontrol on the main mechanical arm is completed. According to the synchronous tracking control method, the synchronous tracking control of long-distance and large-number mechanical arms is completedunder the principle of quantitative communication, and unified control and high-precision coordination application of the mechanical arms are effectively realized.