135results about How to "Control reached" patented technology

The invention discloses a myoelectricity feedback based upper limb training method and system. The myoelectricity feedback based upper limb training system orderly combines signal acquisition, mode identification, biological feedback and real-time fatigue evaluation, thereby being capable of helping a user train the movement function of the upper limb. The upper limb training method includes steps of acquiring movement signals and myoelectric signals of the upper limb joint of the user when the user acts correspondingly such as forearm rotation and wrist bending/stretching as completing virtual game tasks, adjusting movement parameters of virtual control targets on the basis of the movement signals acquired by the users, identifying several muscle contraction modes of the user according to the characteristic parameters of the myoelectric signals, and utilizing the identified modes as selection basis for a myoelectric feedback control method. In addition, the upper limb training system is capable of extracting fatigue characteristics in real time according to the acquired myoelectric signals, analyzing fatigue states of muscles so as to judge muscle fatigue and send an alarm during the whole interaction system.

The invention provides a boiler system for monitoring by using a cloud server. The boiler system further comprises a boiler system programmable controller; the programmable controller is connected with the cloud server; the cloud server is connected with a boiler system client terminal; the programmable controller transfers measured data to the cloud server, and then, the measured data is transferred to the boiler system client terminal through the cloud server, so that the client terminal can timely obtain operation information of the boiler system. The monitoring system based on cloud computing adopts the cloud server to replace a traditional local server, so that the maintenance is convenient, and the flexibility is strong.

A control method that the users can choose the air conditioning environment situation modality according to the requirements, which at least comprises the following steps, set value parameters of all conditions of all situation modalities are established; used situation modalities are chosen; detection values of all controlling conditions of the air conditioning environment are detected; all the detection values are compared with the set values of the controlling conditions according to the chosen situation modalities, and control instructions are output; air-conditioning units operate according to the control instructions. Users can choose a corresponding air conditioning environment situation modality according to the need of the individuals through the steps, an optimal control set value parameter being most suitable for each situation simulation of individuals can be obtained through the choice of the situation simulation and the operational control of the air conditioning units, the set value parameters of the individuals are further input to other air conditioning units with a common communication protocol through the downloading of an individual information machine, and the individualized comfort and the control of energy saving can be still achieved under different building spaces.

The invention provides a heat and power cogeneration system intelligently monitoring heat consumption through a cloud server. The heat and power cogeneration system comprises a boiler system, a heat exchange station system, a heat dissipation system, the cloud server and multiple client sides. The client sides monitor the heat consumption conditions of the heat and power cogeneration system through the cloud server, so that the heat consumption conditions are mastered in real time. The heat consumption conditions are monitored through the cloud server, the flexibility is high, and maintenance is convenient.

The invention provides a discharge control method and a system for a silo. The discharge control method includes the following steps of S1, measuring a material flow on a belt conveyor (3) which is started; S2, comparing the measured material flow with a belt conveyor preset value, and S3, adjusting a material discharge quantity of at least one feeder (2) which the belt conveyor (3) corresponds to according to a comparison result. By means of the discharge control method and the system for the silo, the flow of materials to be conveyed can be set as the belt conveyor preset value according to a production scheduling plan of a coal transporting port, the actual material flow of the belt conveyor (3) can accord with the belt conveyor preset value through the adjustment of the material discharge quantity of the feeder (2) located at the bottom of the silo, and thereby the material flow can be controlled.

An intelligent electronic key system used for a vehicle comprises a cloud server, a first user device, a second user device and a vehicle control host computer. The vehicle control host computer is arranged in the vehicle and connected with the cloud server in an internet mode. After the first user device starts an electronic key sharing function, an electronic key information junction is sent tothe second user device, after the second user device starts the electronic key information junction and after a permissions validation request is sent and a use permission confirmation is received, the second user device starts a vehicle control function, a vehicle control signal is sent through the cloud server to the vehicle control host computer, and the vehicle control host computer controls operation of the vehicle. Therefore, the vehicle operation convenience is improved through use permission sharing of an electronic key.

The invention relates to a control method of a gas water heater and the gas water heater. The gas water heater comprises a gas heating unit. The gas heating unit communicates with a water inlet pipe and a water outlet pipe. An electric heater used for conducting fast heating on inlet water is arranged on the water inlet pipe. When the thermal load of the gas heating unit reaches the maximum value and the water outlet temperature does not reach the set value, the electric heater on the water inlet pipe is started to conduct fast heating on the inlet water, the operating power of the electric heater is adjusted according to the water outlet temperature detection value, and accordingly the water outlet temperature reaches the set value. Through the arrangement and the control method, the purposes that the electric heater is controlled, and auxiliary electric heating is conducted on water flowing through the water inlet are achieved, the water inlet temperature of the gas water heater is remarkably increased, the power of the gas water heater is improved, and the application environment of the gas water heater is broadened. Meanwhile, the gas water heater is simple in structure, the control method is concise, the effect is remarkable, and the control method of the gas water heater and the gas water heater are suitable for application and popularization.

The invention relates to an air-cooled converter power module system which is modularly designed and comprises a plurality of single-bridge arm power unit modules, system alternating current/direct current busbars and an integral air duct. The system comprises the single-bridge arm power unit modules (1), a module front air duct (2), a module back air duct (3), and a low inductance cascading busbar, wherein the single-arm bridge power unit modules (1) are electrically connected by the low inductance cascading busbar formed by combining the system positive direct current busbar (4) and the system negative direct current busbar (5). In the invention, the problem that the inside of the power unit module is slightly messy due to multiple devices is solved, and the modules form a separate air duct in a space inside a cabinet, thereby ensuring the cooling capacity and the minimum wind pressure loss.

The invention discloses a lamplight system adopting multi-path parallel control. The lamplight system comprises a dimming platform, a plurality of paths of dimming controllers and two or more lamplight driving boards, wherein the output end of the dimming platform is connected with the input ends of the dimming controllers; the output ends of the dimming controllers are connected with the lamplight driving boards; the output end of each lamplight driving board is connected with a street lamp set; the dimming platform sends primary dimming signals to the dimming controllers according to the DMX512 protocol; after the dimming controllers process the dimming information sent by the dimming platform, the processed information is repacked into secondary dimming signals, and the secondary dimming signals are sent to the lamplight driving boards; the lamplight driving boards drive the street lamp set to work according to the secondary dimming signals. The lamplight system is high in efficiency and systematicness, and higher in practical value, and is particularly suitable for lamplight application occasions requiring multi-path parallel control.

The invention relates to full-color point control type video photoelectric glass and a processing method thereof. The processing method comprises the following steps: (1) cleaning conductive glass; (2) introducing laser equipment by a line etching program; (3) conveying the conductive glass into the laser equipment, and etching a transparent wire on a conductive layer; (4) attaching a three-on-one RGB LED light source to the transparent wire; (5) connecting an electrode of the LED light source with the transparent wire by conductive glue; (6) attaching a line control board to two sides of the glass, and correspondingly connecting an LED light source wire with the line control board; (7) conveying the attached conductive glass into a baking box for conductive glue heating and curing; (8) connecting the line control board with a circuit control end; (9) cleaning packaging glass; (10) adhering the LED light source, the line control board, the conductive glass and the packaging glass together; (11) mounting a plurality of pieces of packaged photoelectric glass in an LED video playing system with the circuit control end. The full-color point control type video photoelectric glass meets the use requirement on building type glass, and a multimedia playing effect is achieved.

The invention relates to a control method of a gas water heater and the gas water heater. The gas water heater comprises a gas heating unit. The gas heating unit communicates with a water inlet pipe and a water outlet pipe. An electric heater used for conducting fast heating on inlet water is arranged on the water inlet pipe. When the water inlet temperature of the gas water heater is smaller than the set value, the electric heater on the water inlet pipe is started to conduct fast heating on the inlet water, the operating power of the electric heater is adjusted according to the water inlet temperature detection value and/or the water outlet temperature detection value, and accordingly, the water outlet temperature reaches the set value. Through the arrangement and the control method, the purposes that the electric heater is automatically controlled, and auxiliary electric heating is conducted on water flowing through the water inlet pipe are achieved, the water inlet temperature of the gas water heater is remarkably increased, the power of the gas water heater is improved, and the application environment of the gas water heater is broadened. Meanwhile, the gas water heater is simple in structure, the control method is concise, the effect is remarkable, and the control method of the gas water heater and the gas water heater are suitable for application and popularization.

This invention provides a control circuit of a pulse width modulation DC to DC converter, a control mode and a time sequence generator which includes a current amplifier, a compensator, a comparator, a trigger, a time sequence generator connected to the said compensator and the trigger separately for generating modulation signals and set signals, among which, the set signal wave has a widened first low potential pulse at the heavy load state to make the reset signal unable to change to the trigger output signal when the set signal operates, and the wave of the set signal has another widened second low potential pulse when the wave form is at light load stale, so as to set the least starting time action and force the converter in a power-save mode, a driving circuit and a differential amplifier.

The invention discloses an intelligent control method for a horizontal trajectory of a stratospheric airship. In order to solve a problem of horizontal trajectory control of a stratospheric airship ina wind field environment, the method establishes an observation model and a Markov decision process model of the airship. With consideration of the characteristic object of the airship, an element interval in an action space is limited; on the basis of a known wind field model, neural network learning is carried out on the action input and state output of the airship by using an included angle probability of each wind direction incoming flow relative to the airship as an action selection basis; and according to a learning result, a Q-learning process is entered, a control law is obtained according to an optimal action strategy, an executing mechanism of the airship is controlled, so that tracking of expected horizontal movement is achieved. Therefore, adverse effects on stratospheric airship horizontal movement control caused by factors such as kinetic model parameter uncertainty and environmental wind field interference are effectively eliminated.

The invention discloses a grid-connected current control device of a photovoltaic inverter, which samples the grid-connected current through a current detection circuit, and divides current waveform into M points according to corresponding phases to perform PI control, wherein a reference value also corresponds to the phase at the moment; the input of the PI control is that the current detection circuit compares a current sampled value of each phase with a current reference value to obtain an error signal of current errors, and then the control quantity em is generated through a PI control link; the control quantity em and a synthesized total control quantity Em are generated into pulse width modulation signals (PWM) of which the duty ratio K changes along with the synthesized total control quantity Em by a pulse width modulation signal generation circuit so as to control the on-off time ratio of a power switching tube in an inverter circuit, thereby achieving the control of the grid-connected current to ensure that the output grid-connected current and grid voltage have same frequencies and phases, and simultaneously the grid-connected current can be controlled to achieve an expected current peak Ipeak.

The invention relates to the field of electric car battery pack systems and discloses a power-off system for a battery pack of an electric car. The power-off system comprises a battery pack circuit combining device, a relay driving control circuit and a state detecting circuit; the battery pack circuit combining device comprises a battery pack positive and negative loop and a battery pack pre-charging loop, and relays are connected into the battery pack positive and negative loop and the battery pack pre-charging loop in series; the relay driving control circuit is electrically connected with the battery pack circuit combining device to control on-off of the relays in the battery pack circuit combining device; the state detecting circuit is electrically connected with the battery pack circuit combining device to detect the electric potentials of the connecting points of the battery pack circuit combining device as well as an electric car controller, a series connection battery set and a charging pile; and the relay driving control circuit and the state detecting circuit are connected with a battery management system. According to the power-off system for the battery pack of the electric car, the battery pack circuits are managed, and the working states of the circuits and the state of the series connection battery set are detected, so that isolation of high-low voltage signals is achieved, electric shock hazards and device damage are reduced, and circuit burnout in battery charging is avoided.

The invention provides a solar heat collecting system for monitoring by using a cloud server. The solar heat collecting system further comprises a programmable controller which is connected with the cloud server; the cloud server is connected with a client; the programmable controller is used for transmitting measured data to the cloud server; the measured data are transmitted to a client of the solar heat collecting system through the cloud server; the client can timely obtain running information of the solar heat collecting system. According to the monitoring system based on cloud computing, provided by the invention, the cloud server is adopted to replace a traditional local server, so that the convenience for maintenance and high flexibility are realized.

The invention provides a thermodynamic system allowing the opening degrees of valves to be intelligently controlled through a cloud server. According to the system, the first regulating valve is arranged on a hot water supply pipe. The second regulating valve is arranged on a water inlet pipeline of a radiator, a programmable controller is in data connection with the first regulating valve and the second regulating valve, a radiating system controller transmits data of the opening degree of the second regulating valve to the cloud server, the cloud server then transmits the data to a heat exchange station system controller, the heat exchange station system controller automatically regulates the opening degree of the first regulating valve, and then the data of the opening degree of the first regulating valve are transmitted to a heat exchange station system client side through the cloud server. The adaptive regulation of the valves of the thermodynamic system is achieved through the cloud server, energy resources can be saved, and the thermodynamic system is convenient to maintain and high in flexibility.

The invention provides a fluid control simulation method and a fluid control simulation device based on flow field decomposition and modulation, which relates to the technical field of computer image rendering. The fluid control simulation method comprises the following steps that S1 an integral flow field is decomposed into one or a plurality of flow field components; S2 a flow field characteristic curve is calculated on the basis of the flow field components; S3 the flow field components are modulated and operated on the basis of the difference between the flow field characteristic curve and a target characteristic curve; and S4 the modulated flow field components are added to obtain a modulated integral flow field. By using the fluid control simulation method and the fluid control simulation device, the problem of how to obtain and analyze endogenous multi-scale spatial frequency information and modulate and control flow field simulation on the basis of the information in the process of the flow field simulation is solved. The fluid control simulation method is a novel fluid simulation method, a new visual effect can be introduced into the field of fluid simulation, and Hilbert-Huang transformation is adopted to decompose the flow field on a frequency domain, thereby modulating the flow field, so as to generate a predictable and controllable simulation result.

The invention discloses an anti-collision six-degree-of-freedom cooperative control method for spacecraft formation, and the method comprises the steps: S1, determining a complete mathematic model ofsix-degree-of-freedom movement of spacecraft master-slave formation, and converting a kinetic model of a relative position into a kinetic model related to the distance between spacecrafts; and S2, determining a spacecraft formation anti-collision six-degree-of-freedom preset performance function, performing error model conversion, and determining a six-degree-of-freedom cooperative robust controllaw of the sliding mode variable structure. According to the invention, the sliding mode variable structure control technology and the preset performance control are combined, the controller design utilizes the advantages of the preset performance function, the transient state performance and the steady state performance of the system are both considered, and the anti-collision requirement of thesystem is met; through sliding mode variable structure control, it is ensured that the system has certain robust interference suppression performance under the action of external disturbance; six-degree-of-freedom high-precision cooperative control of the relative attitude and the relative position of the spacecraft considering external interference and anti-collision constraints is realized.

The invention provides a heating system based on cloud processing intelligent adjustment. A heat exchanging system comprises a programmable logic controller. The programmable logic controller is connected with a cloud server. The cloud server is connected with a client. The programmable logic controller transmits measured data to the cloud server, then the measured data are transmitted to the heat exchanging system client through the cloud server, and the client can obtain the operation information of the heat exchanging system timely. A traditional local server is replaced by the cloud server of a monitoring system based on cloud calculation, and the heating system is convenient to maintain and high in flexibility.

The invention discloses a smart home monitoring management method and system. A control terminal with an operating system is connected with a camera and other household equipment; a service program ofthe operating system controls a display screen of the control terminal to display a monitoring picture shot by the camera and an equipment touch operation area in real time, and a monitoring picturewindow is always displayed at the front end, so that the controlled states of the camera and other household equipment can be fed back in real time through the monitoring picture; the monitoring picture and the equipment touch operation area are ingeniously integrated on the same interface and displayed on the screen of the control terminal, so the effect is clear at a glance, and the convenienceis brought to operation of people; meanwhile, the system has an intelligent automatic color-changing sorting function, an intelligent shopping guide function, an intelligent one-key switching function, an intelligent linkage opening function, an intelligent memory angle positioning function, a one-key query function, an intelligent security alarm sound function and an intelligent scene setting function, so the humanization degree is high, and the user experience is greatly improved.