188results about How to "Achieve direct control" patented technology

The invention discloses a method for controlling game characters based on a human face analyzing technology. The method comprises the following steps: preprocessing an image obtained from an image input device simply and effectively; detecting the human face and positioning key points by a statistical learning method; and analyzing the positioning result to obtain human face gesture and expression information, and mapping the information to corresponding game control commands to achieve the real-time control function of the faces of the game characters. Using human face information of a player to control the game characters extends the interaction modes of the prior games by only shooting a picture of the human face of the player by a camera, analyzing the state and the expression information of the picture in a space, and converting the analyzed result into the control commands of the game characters. A video detection method of the invention is real-time, robust and easy to realize and operate. The method can enable game players to perform interactive operations in a more natural and more intellectual new mode, such as adopting self head gestures, face expressions and the like to endow games with more interactions and immersion.

The invention relates to a robot remote control welding system and a method used for remote welding, which relate to a robot remote control welding system and a method. The invention has the goal of solving the problems that in the existing remote control welding process, the real-time requirement of the welding process is high, the adaptability of the autonomous control remote control welding is low, the visual feedback of the remote welding is poor, and the system universality on welding tasks is low. The system has the technical scheme that a center monitoring human-machine interface is connected with a robot controller, and the robot controller is respectively connected with a laser visual controller, a robot and a welding power supply. The method has the technical scheme that a binocular camera transmits a welding environment image to a three-dimensional visual display, operators obtain the deep information of the remote end environment and guide a welding gun to move to the welding seam starting position, and four work modes: the direct control work mode, the remote control teaching work mode, the laser visual display tracking work mode or the human-machine cooperation sharing control work mode can be respectively adopted for completing the remote control welding. The invention is used for robot remote control welding.

The invention discloses a laundry strategy determination method and system, a cloud server and a terminal. The laundry strategy determination method comprises the steps: a cloud server receives the logo, determined by a terminal, for each clothes for the current plurality of clothes to be washed; according to the logo for each clothes, matching the attribute information of each clothes from a clothes database; and according to the matched attribute information of each clothes, determining the laundry strategy for the plurality of clothes to be washed, and sending the laundry strategy to the terminal Therefore, the laundry strategy determination method avoids the user to perform identification and grouping of the clothes to be washed through subjective judgment, thus improving the accuracy for grouping, and at the same time improving the laundry experience for the user.

The invention relates to a constant-current control method of a power switch type LED drive circuit and a circuit thereof. The method comprises the following steps of: setting a reference voltage value corresponding to the constant average current value of an LED lamp group and the sustainable turn-off time T2 of a power switch; opening the power switch to acquire an induced voltage corresponding to the working current of the LED lamp group, and comparing the induced voltage and the reference voltage value; accumulating the sustainable opening time Ta of the power switch since the power switch is opened until the induced voltage reaches the reference voltage value; accumulating the sustainable opening time Tb of the power switch since the induced voltage of the LED lamp group reaches the induced voltage value, when Tb is equal to Ta, turning off the power switch; and since the power switch is turned off, timing the sustainable turn-off time of the power switch, and after the set sustainable turn-off time T2 is reached, opening the power switch. The invention realizes the direct control on average current and improves the control precision on the current.

Disclosed is an output power control method for a fuel cell system of a vehicle belonging to fuel cell automobile research and development technology field. A vehicle controller can compute a target torque of a motor according to a driver's intentions (such as key signal, accelerator pedal signal, brake pedal signal, gearshift signal), compute the motor power demand according to the motor rotation speed, and obtain a target output power of the fuel cell system according to the motor power demand and work state signals of the cell; then the vehicle controller can obtain a target input voltage of a DC/DC transformer according to the relationship between the fuel cell output power and output voltage, and send the instruction to the DC/DC transformer. The DC/DC transformer can perform PI closed loop control according to the target input voltage and actual output current, so as to realize direct control on the output power of the fuel cell system. The invention has high control precision, high response speed.

The invention discloses a software upgrading method and a software upgrading system for intelligent equipment. The method comprises the steps as follows: the intelligent equipment establishing a connection with a first intelligent mobile terminal; a background server transmitting software upgrade packages to the intelligent equipment via the first intelligent mobile terminal, finishing the upgrade if the intelligent equipment successfully receives all software upgrade packages before the first intelligent mobile terminal and the intelligent equipment are disconnected, and the intelligent equipment and other intelligent mobile terminal repeating the above steps until the intelligent equipment successfully receives all software upgrade packages if the intelligent equipment does not successfully receive all software upgrade packages before the first intelligent mobile terminal and the intelligent equipment are disconnected. By using the solution of the invention, the intelligent equipment can be used for effectively upgrading and updating the software without depending on a network environment, and a user intelligent mobile terminal could directly control the intelligent equipment.

The invention discloses a mobile vehicle-bottom inspection robot which consists of a circuit control part and a mechanical structure part, wherein, the circuit control part comprises a PC104 embeddedcontrol panel, a hard disk, a power conversion circuit board, a wireless communication circuit board and a storage battery; the mechanical structure part comprises an optical path component, an imageacquisition component, a travelling component and a casing component; and central wavelength of the optical path component required for generating scanning is 460nm light, the light irradiates at theback of the car bottom, reflects back to a reflector and finally projects reflected light to a fisheye lens in the image acquisition component. The robot of the invention solves the problem that the existing fixed vehicle-bottom mobile robot is inadaptable to dangerous goods inspection on the vehicle bottom under a varied environment.

The invention discloses a control strategy based on a high-frequency link AC-DC matrix converter (HFLMC). Both the grid side and the DC side adopt a double closed-loop control strategy including a direct power outer loop and a current inner loop, and an H-bridge converter at the DC side and a three phase-single-phase matrix converter (MC) at the grid side share the power outer loop. Firstly, basedon conservation of input and output power, the power outer loop is a direct current selective control loop, the power outer loop outputs an active current instruction value, and an MC modulation signal is obtained by means of feedforward decoupling via the current inner loop; secondly, the DC side current instruction value calculated by the power outer loop is compared with a detection value, andthe modulation pulse of the H-bridge converter is output via a current regulator; and finally, the direct control of the grid side and DC side current is realized. The DC side current is enabled to have small ripple, the grid side can realize unit power operation, and the DC side can realize constant power, constant voltage and constant current operation, which enables the control strategy to beapplicable to battery charging and energy storage of electric automobiles.

The invention provides an integrated control method for a display system. The display system comprises a display device and at least one piece of external equipment which is taken as the signal source of the display device. The integrated control method comprises the following steps: storing a conversion relationship between a remote control signal of the display device and a remote control signal of each piece of external equipment into the display device; when a real-time remote control signal from a remote controller of the display device is received, executing conversion operation on the real-time remote control signal by adopting a conversion relation which corresponds to a real-time signal source accessing the display device; controlling a real-time signal source by using the converted real-time remote control signal. The invention further provides a display device. Through the technical scheme of the invention, seamless switching among a plurality of signal sources of the display device can be performed without executing operation such as mode switching, so that integrated control of a single remote controller on the display device and the signal sources is realized.

The invention discloses a droop control inverter with weak power grid fault ride-through capability and a control method of the droop control inverter. The inverter is composed of a three-phase half-bridge inverter circuit, an AD sampling and conditioning circuit, a DSP control module and an IGBT driving protection circuit. The DSP control module comprises: a power grid voltage phase locking unitused for acquiring the voltage phase of a PCC grid-connected point; a fault detection unit used for generating a power grid fault signal; a control mode switching unit used for switching working modes; a power outer loop control unit used for outputting a reference voltage u<od><*> and a phase [theta]d in a droop control mode; a voltage inner loop control unit used for outputting a reference current i<ldqr>; a current inner loop control unit used for outputting modulation waves; a reference current calculating unit used for calculating the voltage amplitude of the PCC grid-connected point andoutputting reference current in a current control mode; a phase tracking unit used for outputting a phase [theta]d; a current tracking unit used for outputting reference current i<ldqr>; a coordinatetransformation unit and a PWM unit.

A projector based on a light control data transmission protocol is disclosed, wherein the light control data transmission protocol is DMX512, or RDM, or ArtNet. The projector comprises an optical component, a projector driving board and a serial control circuit board, wherein, the serial control circuit board comprises a first serial interface, a serial control processing module and a second serial interface. The serial control processing module, by means of the first serial data communication connection, the control signal sent by the light console can be obtained, the control signal is processed into a signal format that can be directly applied by the projector driving board, and sent to the projector driving board through the second serial interface, thereby controlling the optical component to respond to the control signal. The invention achieves the technical effect that the original structure of the existing projector is not changed and a light control signal interface is added for the projector.

The invention is composed of a vehicle main body and a control system. The vehicle main body is composed of a vehicle body and a magnetic energy machine wheel, and the control system is composed of a control computer, a bus, a power electronic device, a sensor, a battery system and software. The magnetic energy machine wheel is composed of a stator, a wheel and a bearing, wherein, the wheel rotates around the stator, the stator core is a rectangular gear shape, and the tooth is winded with a coil; a tire, a wheel hub, a magnetizer, a non-magnetic body and a permanent magnet form a multipolar wheel with alternate polarities along the circumference of a circle. The magnetic energy machine wheel comprises two parts: an electric motor and an electric generator. The electric generator is connected with the battery system through a rectifier voltage regulator, and a stator coil is connected with the battery system through a frequency modulator. The control system acquires the position signal of the rotor pole to the stator core tooth according to the sensor, the stator coil is energized with current with different directions alternately, and the wheel is rotated under the actions of the attractive torque and the repulsive torque of the electromagnetic poles of the stator teeth. The invention has the advantages of extremely high efficiency, energy conservation and environmental protection.

The invention relates to a hand-clamping-prevention air guide plate motion mechanism. The hand-clamping-prevention air guide plate motion mechanism comprises a drive motor, a controller in circuit connection with the drive motor and controlling the drive motor to work, a transmission device which is connected with the power output end of the drive motor and can drive an opening and closing door to rotate within the preset angle, a magnetic disc which is mounted on the transmission device or mounted at the power output end of the drive motor, can rotate along with rotation of the power output end of the drive motor and can generate a changing magnetic field according to changes of the rotating speed and a circuit board which is fixedly mounted on a fixing component which is arranged in advance and connected with the controller; according to the motion mechanism, the driven opening and closing door can stop or return by itself after the hand or other foreign matter enters by mistake, the hand-clamping-prevention function is achieved, and meanwhile, a device is protected against damage; the invention further provides an air conditioner with the motion mechanism.

The invention discloses a control method and apparatus for a set-top box. The method comprises: image information is sent to a television screen and an intelligent terminal respectively, wherein the image information includes first image information obtained form a set-top box and obtained second image information related to the first image information; an operation instruction that is sent by the intelligent terminal for the image information is received and an operation object of the operation instruction is detected; if the operation object of the operation instruction is detected to be first image information, the operation instruction is converted into a corresponding infrared signal and the infrared signal is forwarded to the set-top box; and if the operation object of the operation instruction is detected to be the second image information, responding to the operation instruction is carried out and the corresponding operation is executed. According to the invention, the information processing terminal not only can enrich image information but also can transmit the mirror image of the image information to the intelligent terminal and the operation instruction for the image information can be converted into the infrared signal that can be identified by the set-top box, so that direct control on the set-top box by the intelligent terminal can be realized.

The present application provides a control method and a mobile terminal, which are used to solve the technical problem of poor control effect on air conditioners in the prior art. The method includes: the mobile terminal receives at least one parameter information sent by the air conditioner through a relay module, the mobile terminal establishes a connection with the air conditioner through the relay module in the air conditioner, and the at least one parameter information includes User parameter information and air parameter information of the environment where the air conditioner is located; the mobile terminal determines a control instruction based on the at least one parameter information, and sends the control instruction to the air conditioner, and the control instruction is used for Control the air conditioner to perform corresponding operations; determine that the air conditioner receives the control instruction through the relay module, and control the air conditioner to perform the operation according to the control instruction.

The invention discloses a DFIG virtual synchronous machine low voltage ride through control method and device, electronic equipment and a medium. According to the method, a DFIG virtual synchronous machine control method and model predictive control are combined to achieve direct control over the DFIG rotor current, the multivariable control characteristic of a model predictive control cost function is utilized, and meanwhile control over the DFIG transient flux linkage is achieved. The method is simultaneously suitable for power grid voltage symmetric and asymmetric drop faults. When the power grid voltage drops symmetrically, rotor overcurrent can be prevented, attenuation of rotor transient flux linkage is accelerated, and reactive power support is provided by changing a power referencevalue. When the power grid voltage drops asymmetrically, the method can further prevent a rotor from overcurrent, and balance and sine of the rotor current are maintained by eliminating transient andnegative sequence components in the rotor current reference value. The control system disclosed by the invention is extremely simple to implement, does not need a phase-locked loop to monitor the frequency of the power grid voltage in real time, and does not need to add an additional control loop.

The invention provides a remote control system of household appliance equipment. The remote control system comprises a power supply, a keystroke unit, an infrared receiver, a main control unit, a memory and an output unit, wherein the power supply supplies power to the system; and the output unit is connected with the household appliance equipment or other various loads to form the remote control system by using the system. The conventional household remote controller is directly used in the system, and special remote controllers of household remote control electric appliance equipment are replaced by a signal learning process of the system, so the setting of the original special remote controllers of the household remote control electric appliance equipment is reduced under the condition that the remote control function is not affected, the manufacturing cost is further saved and the effects of saving energy and reducing carbon are achieved.

The invention discloses a continuous milling machine and a traveling and loading control system. The traveling and loading control system comprises a controller, at least two paths of frequency converters, a traveling motor and a shovel motor, wherein the controller is connected with the frequency converter; the traveling motor and the shovel motor are respectively connected with the frequency converters; the frequency converters are used for detecting the working current of the traveling motor and/or the shovel motor; the controller receives the working current and controls the output signals of the frequency converters according to the magnitude of the working current; and the output signals are used for changing the rotating speed of the traveling motor and/or the shovel motor. According to the continuous milling machine and the traveling and loading control system, the frequency converters are connected with the traveling motor, so that the traveling speed can be changed in real time, and the traveling efficiency is improved; and besides, the frequency converters are connected with the shovel motor, so that the loading capacity of a star wheel of the shovel part is enhanced, and the loading efficiency is improved.

The invention relates to air-conditioning techniques. The invention aims to solve the problem that the control effect is poor when air-conditioning equipment is controlled through mobile equipment at present, and provides air-conditioning equipment, a mobile terminal, an air-conditioner control system and an air-conditioner control method. The technical scheme is summarized as follows: the air-conditioning equipment comprises an air-conditioning equipment body and an air-conditioning hotspot module, which are connected with each other; the mobile terminal comprises a communication module and a processing module, which are connected with each other; and the air-conditioning system comprises the mobile terminal and the air-conditioning equipment, which are connected with each other through the air-conditioning hotspot module. The invention has the beneficial effect that the mobile terminal has a good control effect, provides convenience for users and is suitable for the air-conditioning system.

The invention discloses a wave guide direction control method based on a sweep frequency multi-channel electromagnetic ultrasonic wave guide device, relates to a wave guide direction control method, and aims to solve the problem that a multi-channel electromagnetic ultrasonic wave guide transducer cannot excite or receive single-way transmission ultrasonic guide waves of any frequency by using a conventional wave guide direction control method under the condition that a coil wiring mode is not changed. The method comprises the following steps: firstly, calculating initial phase of excitation current of different coils, and adjusting the initial phase of the excitation current of the coils till the vibration amplitude of one side of which wave guide signals are suppressed is zero after signals are overlapped; calculating the vibration amplitude of a non-suppressed side after wave guide signals generated from the emitting coils are synthesized; drawing a relationship curve of the vibration amplitude and the frequency of wave guide signals of the non-suppressed side, and at different working frequencies, selecting corresponding initial phase of excitation current when the vibration amplitude of the wave guide signals is maximum; finally selecting a suppressed side or a non-suppressed side, thereby achieving direction control. The wave guide direction control method is applied to nondestructive detection on metal plates, tubes and the like.

The invention relates to the technical field of electrolytic machining, in particular to an electrolyte directional controllable electrolytic milling machining device and a machining process thereof. The device comprises a power source and a tubular tool electrode. The negative electrode and the positive electrode of the power source are connected with the tool electrode and a workpiece correspondingly, a liquid cavity allowing an electrolyte to flow is formed in the inner side of the tool electrode, a liquid inlet and a liquid outlet hole which communicate with the liquid cavity are arranged at the two ends of the tool electrode correspondingly, multiple nozzles capable of being selectively opened or closed are fixedly arrayed on the periphery of the tool electrode, the nozzles are provided with gas outlet holes capable of spraying out high-pressure gas, the multiple gas outlet holes are fixedly arrayed on the periphery of the liquid outlet hole, and the liquid outlet hole can spray out the electrolyte to machine the workpiece. According to the device and the process, the flow direction of the electrolyte can be directionally controlled, so that the sufficient electrolyte is obtained in a gap of a machining area, an electrolytic product is discharged, electrolytic machining of any molded surface structure such as a large-cutting-depth structure is realized, and the stability of the electrolytic milling machining process and the surface quality of the machined workpiece are improved.

The invention discloses a novel magnetic energy vehicle, which consists of a vehicle main body and a control system. The vehicle main body consists of a vehicle body and a magnetic energy locomotive wheel; and the control system consists of a control computer, a bus, a power electronic device, a sensor, a battery system and software. The magnetic energy locomotive wheel consists of a stator, a wheel and a bearing, wherein the wheel surrounds the stator, a stator core is in shape of a rectangular gear made of a nonmagnetic insulating material, and coils are wound on teeth; and a tyre, a hub, a magnetizer, a nonmagnetic body and a permanent magnet form a multi-polar wheel of which the polarity is alternate along the circumference. The magnetic energy locomotive wheel is divided into two parts, wherein one part is an electric motor, while the other part is a generator. The generator is connected with the battery system through a rectification voltage regulator, and a stator coil is connected with the battery system through a frequency modulator. The control system measures position signals of a rotor pole relative to stator teeth according to the sensor, alternates current in different directions for the stator coil, and the wheel is rotated because a permanent-magnet pole thereof is subjected to attraction moment and exclusion moment of a pole of the stator teeth. The novel magnetic energy vehicle is energy-saving and environment-friendly.