11results about How to "Realize the control effect" patented technology

The utility model provides a kind of unmanned plane, it is related to the technical field of plant protection.The unmanned plane includes arm and is arranged on the centrifugal spraying assembly of arm, rotor assembly and electric governor assembly, electric governor assembly has first mounting surface and second mounting surface, at least one spraying electric governor is installed on first mounting surface, at least one power electric governor is installed on second mounting surface;Spraying electric governor and the spraying motor electric connection of centrifugal spraying assembly, power electric governor and the power motor electric connection of rotor assembly;Arm has inner cavity, main wire hole is set up on arm, first wire inlet hole, first wire outlet hole are equipped on spraying electric governor;Second wire inlet hole corresponding with main wire hole and second wire outlet hole corresponding with the power motor of rotor assembly are equipped on power electric governor.The utility model can avoid the large-area exposure of wire harness, and can support the wiring of the situation that spraying electric governor and power electric governor are installed on arm simultaneously.

The utility model discloses a tobacco planting ditching device relates to tobacco planting technical field, specifically is a tobacco planting ditching device, including double -deck assembly frame, the both sides of double -deck assembly frame upper surface are equipped with a plurality of jack, the inside plug -in of jack is used for the bolt of fixed support, the upper surface fixedly connected with connecting seat of support, the upper surface rotationally connected with the nut of connecting seat, the inner wall fixedly connected with the guide block of connecting seat, the inside plug -in of connecting seat is screw rod. When using, personnel can adjust the position of support through dismantling bolt to control the position of ditching shovel, simultaneously, personnel can increase or decrease ditching shovel according to need, greatly promote the excavation efficiency, and, can rotate the nut through spanner to control the height of screw rod to realize the control effect to the height of ditching shovel, cooperate and drive this equipment to the land and carry out ditching operation.

The utility model relates to the technical field of truck scale, concretely is a kind of electronic truck scale with automatic unloading function, including truck scale, unloading plate and motor, the surface of truck scale is fixedly connected with support block, the surface of support block is connected with the protection cover by bolt, the surface of unloading plate is fixedly connected with connecting frame, the surface of connecting frame is fixedly connected with adjusting rod, the outer surface of support block is movably connected with control sleeve, the surface of adjusting rod penetrates control sleeve.The utility model is connected through the connection of adjusting rod and connecting frame, the connection of connecting frame and unloading plate, completes the control operation to the action position of unloading plate on truck scale, reaches the automatic unloading effect on the surface of truck scale, under the connection of connecting band and screw rod, the connection of screw rod and screw sleeve, realizes the control effect of connecting angle of guide plate on unloading plate, improves the unloading cleaning performance and effect of unloading plate to material falling on truck scale.

This invention discloses a method, system, controller, and medium for suppressing unbalanced MMC circulating current, relating to the field of MMC control. The method includes: acquiring three-phase voltage parameters, three-phase current parameters, and grid angular frequency of the MMC; performing phase sequence decomposition on the three-phase voltage parameters, three-phase current parameters, and grid angular frequency to obtain the positive-sequence and negative-sequence components of the three-phase voltage and three-phase current; using a PI controller to perform inner-loop regulation on the positive-sequence and negative-sequence components of the three-phase voltage and three-phase current, outputting the positive-sequence and negative-sequence reference components of the three-phase voltage in a synchronous rotating coordinate system; performing inverse transformation of the positive-sequence and negative-sequence reference components of the three-phase voltage according to the grid angular frequency, and adding the results of the inverse transformation to obtain the three-phase voltage reference components; performing carrier phase-shift modulation on the three-phase voltage reference components to generate the port levels required for each phase arm, and controlling the operating state of the IGBTs in each phase arm submodule of the MMC based on the port levels.

The utility model provides a make-up liquid centrifugal machine with a temperature control structure, which belongs to the technical field of centrifugal machines and comprises a shell, supporting legs are fixedly arranged at four corners of the bottom surface of the shell, a circular groove is formed in the upper portion of the shell, an upper cover is rotatably arranged on the inner side of the upper surface of the shell through a hinge, and a circular groove is formed in the center of the shell. When cosmetic liquid is subjected to centrifugal processing, cosmetics needing to be processed are added into the centrifugal cylinder, the upper cover covers the shell, the guide rod moves downwards, the temperature sensor extends into the cosmetics in the centrifugal cylinder, then the electric heating plate is started to heat the centrifugal cylinder and the cosmetics in the centrifugal cylinder, and the cosmetics in the centrifugal cylinder are heated. The temperature sensor detects the temperature of the cosmetic liquid and displays the temperature through the control panel, the electric heating plate can be closed after the temperature of the cosmetic liquid is controlled by the control panel to reach the certain degree, the effect of controlling the temperature during centrifugation of the cosmetic liquid is achieved, and the quality of the cosmetic liquid during centrifugation is guaranteed.

The application discloses a simple force-position control method of an electric control lifter and relates to the technical field of agricultural machinery control. The method comprises the following steps: collecting the engine load rate in real time, taking the current engine speed as the reference speed when the engine load rate is greater than or equal to the preset load rate threshold; continuing to collect the current engine speed in real time, and determining the speed difference value according to the current engine speed and the reference speed; and determining the virtual force signal according to the speed difference value when the speed difference value is greater than or equal to the preset drop speed threshold, and adjusting the electric control lifter according to the virtual force signal. The application can prevent the stop phenomenon caused by the hardening of a field in a low-cost manner and achieve a control effect close to that of a force-position lifter.

The application discloses a sulfide solid electrolyte with high ion mobility and a preparation method thereof, and particularly relates to the field of solid-state batteries. θ Ge α P β Q ε S γ Te δ X 12‑δ‑γ ; wherein Q is an Sb, As, Nb or V element, and X is a Cl, Br or I element; the ion conductivity of the solid electrolyte is 12.48 mS.cm ‑1 -1 at 25-30 DEG C, and the ion conductivity is greater than or equal to 1 mS.cm ‑1 -1 at -50 DEG C. The sulfide solid electrolyte can realize the synergistic optimization of the double promotion of room temperature and low temperature ion conductivity and the reduction of lithium ion migration activation energy, and thus the sulfide solid electrolyte with high effective Li + concentration and wide temperature range adaptability is obtained.

The utility model relates to the technical field of truck scale, concretely is a kind of truck scale with balance adjustment function, including truck scale, the surface of truck scale is connected with cover, the surface of cover is connected with the connection hole being opened in penetration, the surface of truck scale is connected with the connecting groove being opened, the surface of connecting groove is connected with screw rod, the inside of connection hole is embedded with protective sleeve, the surface of connecting groove is connected with the adjusting groove being opened in penetration.The utility model is connected under the regulation and control lever and mounting disc, the connection of mounting disc and counterweight, reach the balance adjustment effect when using truck scale, under the connection of cover and connection hole, through the connection of screw rod and connecting groove, realize the protection effect to connecting groove, through the resistance and connection of connecting frame and mounting hole, the resistance and contact of resistance plate and connecting frame, reach the installation support effect of counterweight on mounting disc, and it is convenient to dismount and assemble its counterweight, reach the regulation and control effect of counterweight.

This invention discloses a control method and control system for controlling lighting effects based on audio signals. The method involves: acquiring audio signals and performing frame-by-frame processing, recording the offset between adjacent frames; constructing dynamic offset coordinates based on multiple offsets; processing the audio signals at these dynamic offset coordinates to obtain corresponding audio sampling data; parsing the audio sampling data to determine corresponding audio rhythm points; dynamically adjusting the lighting effect's state according to the audio rhythm points and adjusting the duration of the lighting effect according to the offsets; and comparing the amplitude of offset changes over a continuous period of time in real time, adjusting the brightness of the lighting effect based on the amplitude of offset changes. By dynamically adjusting the lighting effect's state according to the audio rhythm points and adjusting the duration of the lighting effect according to the offsets, the brightness of the lighting effect is controlled by adjusting the amplitude of offset changes, thereby achieving the effect of sound control over the lighting effects.

The utility model relates to the technical field of agriculture, in particular to a film scattering device for covering a heat preservation film in field seedling raising, which comprises a support frame and a balance rod, the surface of the support frame is fixedly connected with a connecting sleeve, the connecting sleeve is connected with the balance rod in an inserted manner, the surface of the balance rod is connected with a rotating wheel, the outer surface of the balance rod is sleeved with a limiting disc, and the limiting disc is connected with the rotating wheel. A spiral groove is formed in the surface of the balance rod. Under the inserting connection of the connecting sleeve and the balance rod, the supporting effect on the balance rod in use is achieved, under the action of the balance rod, supporting operation on a laid film is facilitated, a person drags one end of the film to move forwards, one person can be saved, efficiency is greatly improved, the laid film can be conveniently assembled and used, the use efficiency and performance of the laid film are improved, and popularization and application are facilitated. Under the abutting contact of the pressing block and the balance rod, the effect of supporting the position of the limiting disc on the balance rod is achieved, and under the action of the limiting disc, the effect of placing and limiting the coiled heat preservation film is achieved.

The invention discloses an ultra-precision automatic measurement method and device for the sizes of a wire tail and a burning ball of a wire bonder, and relates to the technical field of semiconductor packaging. The method comprises the following steps: monitoring the contact between the tail end of a lead and the surface of a material in real time through a pseudo soldering detection system, obtaining first displacement data, calculating to obtain the actual physical length of the tail end of the current lead, comparing the actual physical length with a preset standard for evaluation, and if the evaluation is not abnormal, executing an electronic ignition step to form a burning ball; controlling the welding tool to move to a preset initial height; the method comprises the steps of obtaining second displacement data; and further obtaining the changed physical length of the line tail in the process of forming the burning ball, calculating to obtain the radius value of the burning ball, and comparing and evaluating the radius value with a preset process specification. By the adoption of the method, mechanical deformation errors can be avoided through hardware-level instantaneous contact detection, and automatic and high-precision measurement of the length of the micron-level wire tail and the size of the fired ball is achieved in combination with a high-precision physical model.