63results about How to "Accurate control" patented technology

The invention discloses a control method and wearable electronic equipment. The control method and the wearable electronic equipment are used for solving the technical problem that the control effect on smart home equipment is poor in the prior art, enriching control modes of the smart home equipment and improving the control effect. The method includes the steps at least one physiological characteristic parameter of a user wearing the wearable electronic equipment is obtained through at least one sensor; a first user state which the user is in at present is determined according to the physiological characteristic parameter; M pieces of smart home equipment connected with the wearable electronic equipment are controlled so that a current working mode can be adjusted to a target working mode corresponding to the first user state, wherein M is a positive integer larger than or equal to 1, and wireless network connection is established between the wearable electronic equipment and the M pieces of smart home equipment.

The invention provides a machine room air conditioner system and a control method thereof. The machine room air conditioner system comprises a refrigeration circulating system and a heat pipe loop system. The refrigeration circulating system comprises a compressor, a condenser, a throttling device and an evaporator which are all connected with one another. A controller controlling the compression ratio of the compressor is arranged on the compressor. The controller is connected with a temperature sensor arranged outside a machine room. The heat pipe loop system comprises a fluorine pump and a heat pipe which are connected with the condenser and the evaporator; the heat pipe loop system is formed by the fluorine pump, the heat pipe, the condenser and the evaporator; and the heat pipe loop system can cool the machine room through a natural cold source outside the machine room. According to the technical scheme, on one hand, the compression ratio can be automatically adjusted by the machine room air conditioner system according to the outside temperature, and therefore the compressor can perform variable-compression-ratio work; and on the other hand, the machine room air conditioner system can cool the machine room through the outside natural cold source in winter and other cold seasons, and therefore the energy consumption of the machine room air conditioner system can be reduced.

Disclosed is a coaxial double-rotor unmanned helicopter modeling method based on optical cable laying. The method comprises flexible optical cable dynamics modeling at a constant tension release state and an optical cable laying unmanned helicopter dynamics model for a flight control system. The flexible optical cable dynamics modeling at the constant tension release state comprises stress calculating method of a single optical cable segment and a whole optical cable dynamics model establish method. The optical cable laying unmanned helicopter dynamics model for the flight control system comprises an unmanned helicopter platform dynamics model and an unmanned helicopter parameter identification test system, and it is set that: a), a whole optical cable to be laid is composed of N optical cable segments; b), each segment is sequentially released from a release mechanism, and the speed of the currently releasing optical cable segment is consistent with the speed of the just released optical cable segment; c), each optical cable segment is taken as a rigid rod, and the mass is concentrated at one end point of each optical cable segment; and d), the rigid rods are connected through twists. The coaxial double-rotor unmanned helicopter modeling method provided by the invention provides support for development of the flight control system of an unmanned helicopter.

The invention discloses a control device for an ultrasonic planar array probe. The control device comprises an isolation unit (1), a high-voltage pulse unit (2), a high-voltage switch unit (3), a matching network, a receiving unit (5) and a control unit, wherein a first output end of the control unit is connected with the input end of the isolation unit (1); a second output end of the control unit is connected with a first input end of the high-voltage pulse unit (2); a third output end of the control unit is connected with a first input end of the high-voltage switch unit (3); the control unit is used for supplying low-voltage pulse signals with the amplitude range not larger than 5V to the isolation unit (1), sending a preset first control signal to the high-voltage pulse unit (2) and sending a preset second control signal to the high-voltage switch unit (3). According to the method, control over a whole row of or a whole column of or multiple rows and columns of array elements of the probe can be achieved at the same time, so that the complexity and instability of a traditional ultrasonic system circuit using discrete components are eliminated.

The invention discloses a reactive power compensation device which comprises a passive reactive power compensation module, an active reactive power compensation module and a control module. The passive reactive power compensation module is connected in parallel with an active power compensation module through the control module, and accesses a power grid. The passive reactive power compensation module comprises a number of reactive power compensation units. Each reactive power compensation unit is connected with the power grid through a contactor. The active reactive power compensation moduleuses a static reactive power generator. The static reactive power generator is connected with the power grid through a second inductor. The passive reactive power compensation module and the active reactive power compensation module compensate the required reactive power according to the output signal of the control module. According to the invention, the reactive power compensation device is simple in structure, can quickly and accurately compensate the reactive power of the power grid, and can effectively filter the harmonic current contained in a load; the power quality of the power grid isimproved; and safe and reliable operation of the power grid is ensured.

An optical cable laying based coaxial double-rotor-wing unmanned helicopter parameter identification test system comprises an aircraft platform and a ground device; an inertia measuring unit, a global positioning system, a magnetic heading meter, a laser height indicator, a data recorder and a controller are respectively installed on the aircraft platform; the inertia measuring unit, the global positioning system, the magnetic heading meter, the laser height indicator and the data recorder are connected to the controller; the controller processes signals and outputs the signals to the control unit; the ground device comprises a wireless remote control transmitter, a data transmission terminal and a ground control computer system; the ground control computer system is connected with a RC (Remote Control) transmitter; the ground control computer system is also connected with the data transmission terminal; a sensor is integrated on the aircraft platform; the sensor measures the triaxial angular speed, the linear acceleration, the course angle, the triaxial positions and the triaxial linear speed of the aircraft platform.

The present application discloses a mold pattern button production process comprising the following steps: a resin material is prepared; the resin material is processed into a sectional material, and the sectional material is cut into a button workblank; the outline of the button workblank is processed, and the button workblank is cleaned and polished to form a finished button; and a laser marking machine is used for different degrees of laser burning and erosion of different parts of the stained surface of the finished button according to pre-set two-dimensional bitmap data. According to the mold pattern button production process, by presetting of a two-dimensional bitmap, the needs of different types of mold patterns can be met, affect on button normal production due to supplies consumption can be avoided, by precise control of the laser energy value and distribution way, the consistency of the mold pattern on each individual can be precisely ensured, and in the manner of laser burning and erosion for formation of the mold patterns, the parts with the concave surface can be processed, bar-shaped profiles can also be processed, and the needs of different types of mold patterns of buttons in different materials can be met.

The invention discloses a robot emotion control method and a device. The control method comprises the following steps: present emotion input information at present time is received, wherein the present emotion input information is used for representing external input signals received by a robot the at the preset time through hearing, vision or touch; multiple history emotion output information generated in a history time period before the present time is obtained, and each of the multiple history emotion output information is used for expressing the emotion of the robot at the time of generating the history emotion output information; present emotion output information of the robot is obtained based on the present emotion input information and the multiple history emotion output information; and the robot is controlled to actuate corresponding actions according to the present emotion output information at the present time to express the emotion at the present time. The control method solves the technical problem of inaccurate control of the emotion of the robot in the prior art.

The invention discloses a model for simulating the stress state of concrete and a test method, and belongs to the field of concrete structure simulation tests. According to the model, corresponding stress distribution is generated on a wet joint interface of the model through a method of generating eccentric tension prestress through eccentric arrangement of prestressed twisted steel, a convex cross section is adopted so that pressure stress can be more easily concentrated on the top face of a web and tensile stress can be more easily concentrated on the bottom face of a flange plate, and therefore, a large-numerical-value tensile-compressive-stress ratio can be generated through a small-size model, and the tensile-compressive-stress states of various large bridges and buildings can be simulated. The stress distribution mode and the stress magnitude of the model section can be accurately controlled by adjusting the size of the model section, the prestress tensioning force and the position of the prestress twisted steel relative to the neutral axis section, and then the tension and compression stress state of the actual prefabricated assembled bridge wet joint construction stage issimulated. The model and the test method can be used for researching the rigidity, strength and stress mechanism of a precast concrete wet joint.

The embodiment of the invention relates to the field of displaying interaction and discloses a mirror displaying touch demonstration system. The system comprises a master controller, a video matrix processor and a mirror displaying touch demonstration device. The mirror displaying touch demonstration device comprises a mirror displaying glass module, a playing displaying module and a touch module.The touch module is set on the back of the mirror displaying glass module. The back is a surface facing the playing displaying module. The front surface of the mirror displaying glass module is a reflecting surface. The playing displaying module comprises M displaying screens which are spliced together. The touch module sends a detected touch signal to the master controller. The master controllerobtains first image data corresponding to the touch signal and sends the first image data to the video matrix processor. The video matrix processor segments the first image data into M pieces of second image data and transmits the M pieces of second image data to the corresponding displaying screens for displaying. According to the embodiment of the invention, when the interaction between a tourist and a device is realized, the precision is relatively high, the control is relatively accurate, and the large-area mirror displaying screen displaying can be realized.

The invention provides an HMI controller redundancy switching control method. Two controllers redundant to each other are provided, each HMI controller has two ports redundant to each other, the HMI controllers send state frame commands to the ports and receive returned frames of the ports, and according to whether the returned frames are accurately received, return values of the returned frames and port numbers, whether to carry out redundancy switching is judged; in addition, an upper computer is enabled to accurately determine master-slave relations with the communication HMI controllers, the continuous and stable operation of the whole DCS system is effectively ensured, and the monitoring and controlling are enabled to be realized accurately.

The invention discloses an integral filter element testing system. The integral filter element testing system is composed of a water supply system and a testing system, wherein the water supply system supplies water to the testing system through a main water supply pipe, the testing system comprises a loading module, a control module, a flushing module, a pressure regulating module, a sampling module, a sensing module, a detecting module and a reporting module, the control module is used for regulation process control, and the reporting module conducts data transmission, reception and computing analysis on various parameters, data, control states and the like and displays the parameters, data, control states and the like. A stable, repeatable and efficient testing environment can be provided for performance testing of a filter element, multiple filter elements can be tested simultaneously or independently, testing efficiency is improved greatly, testing environment and testing regulation can be precisely controlled, testing precision can be controlled more accurately, testing water can be recycled by 70% or more through matching of the water supply system and the testing system, more energy is saved, and environment friendliness is better realized.

The invention belongs to the field of lamps, and provides an LED lamp with an adjustable bright emitting angle. The problem that a light emitting angle of the lamp is nonadjustable and cannot suitablefor multiple occasions is solved. A divergent LED light source is fixed to the middle position of a lamp barrel, the size of the LED light source corresponds to a shading layer assembling piece in amatched mode, and the shading layer assembling piece is composed of a plurality of shading blocks and a spring frame. The lamp barrel is composed of two parts of the barrel wall and the barrel bottom,the barrel wall and the barrel bottom are separately placed in a horizontal energized coil and a vertical energized coil, can separately generate magnetic fields vertical in two directions, when thecurrent magnitude and direction of the energized coils of the two directions change, the magnitude and direction of the two internal magnetic fields in the lamp barrel further change. In a finite space, a light emitting size of the lamp is changed by additionally arranging a mechanical movable structure which does not relay external action, gravity direction limit is removed, and the functionalityand applicability of the lamp are enhanced. A shading structure is accurately controlled through electrical control, and the accurate adjustment of the light emitting angle is realized.

An embedded double-fluid efficient energy-saving deamination system belongs to the technical field of sewage processing. Equipment mainly comprises a lifting pump, a circulating pump, a heat exchanger, a flow-pushing pressurizing blower fan, and an embedded double-fluid efficient energy-saving deamination tower. In a technological process, ammonia-nitrogen wastewater subjected to heat exchanging enters the tower body, and subjected to deamination by flow-pushing pressurizing steam and fresh steam; and at the same time, ammonia-containing steam is absorbed by circulating ammonium sulfate and circulating dilute sulfuric acid and an ammonium sulfate solution is obtained, and purified steam is cycled for usage by a flow-pushing pressurizing kettle. The invention provides the ammonia-nitrogen wastewater processing equipment which is high in efficiency, low in steam consumption and small in occupied space, and also provides the ammonia-nitrogen wastewater processing technology.

A method for controlling a converter for converting an n-phase AC input voltage into a DC output voltage, each phase of the AC input voltage being connected to a switch of the converter. The method includes determining the signs of j characteristic voltages (Va, Vb, Vc, Va-Vb, Vb-Vc, Va-Vc, Va+20°, Vb+20°, Vc+20°, Va−20°, Vb−20°, Vc−20°); determining a reference combination (C1-C12, C1-C18), to which the signs of j characteristic voltages (Va, Vb, Vc, Va-Vb, Vb-Vc, Va-Vc, Va+20°, Vb+20°, Vc+20°, Va−20°, Vb−20°, Vc−20°) correspond, by comparing the signs of the j characteristic voltages to data from a reference table; and (c) opening each switch for an opening time (t1, t2, t3) pre-determined according to the reference combination (C1-C12, C1-C18) identified during the determining of the reference combination.

The invention discloses an unmanned aerial vehicle self-active platform take-off and landing auxiliary device. The unmanned aerial vehicle self-active platform take-off and landing auxiliary device comprises a rectangular sleeve, a direct current deceleration motor, a direct current deceleration motor screw rod, a motor sliding block, a compression spring, a rectangular sliding block and a fish fork structure, the rectangular sleeve is provided with a rectangular sleeve top cover and a fish fork structure extending hole, the direct current deceleration motor is fixedly mounted on the rectangular sleeve top cover, one end of the compression spring is connected with the rectangular sleeve top cover, the other end of the compression spring is connected with the rectangular sliding block, therectangular sliding block is connected with the fish fork structure, the rectangular sliding block slides along the direct current deceleration motor screw rod, the motor sliding block is driven by the direct current deceleration motor, the motor sliding block slides along the direct current deceleration motor screw rod to push the rectangular sliding block, and the fish fork structure is driven by the rectangular sliding block to be retracted to the rectangular sleeve; and the direct current deceleration motor reversely drive the motor sliding block to slide along the opposite direction, andthe fish fork structure extends out of the rectangular sleeve. According to the unmanned aerial vehicle self-active platform take-off and landing auxiliary device, stability of the driving mode is good, flying attitude and stability of an unmanned aerial vehicle are guaranteed when unmanned aerial vehicle takes off, and landing can be directly conducted at any angle under the condition of fish fork extending out.