41results about How to "Fast dynamic adjustment" patented technology

The invention relates to an intelligent optimization method for land utilization layout, in particular to an intelligent optimization method for land utilization layout which is applied to optimal configuration of a land utilization space and based on a particle swarm optimization algorithm and belongs to the field of land utilization planning. The intelligent optimization method for the land utilization layout comprises the following steps of firstly collecting and settling statistic data and space data associated with the land utilization layout, secondly selecting a suitable grid pattern spot partition method to determine an algorithm operation unit, thirdly guiding the data into a PSO (particle swarm optimization) model to carry out problem modeling and layout optimizing, and finally generating an optimization result of the land utilization layout. According to the intelligent optimization method for the land utilization layout, the intelligent actions of human can be better simulated in a land utilization decision process so as to improve the reasonability of the land utilization layout; by utilizing the highly effective optimal algorithm, the intelligent optimization method is suitable for the land utilization layout of a large area; and when optimization conditions are changed, the model can dynamically respond in real time to generate a new optimal layout scheme.

A variable electrical generator (20) is operable to convert mechanical motion to electrical power. The generator (20) includes at least a stator element (60) and a rotor element (50) including coils (320) and magnets (90). The generator (20) includes a configuration of modules (80) including the coils (320) for generating wavelets (30) in response to the coils (320) interacting magnetically with the magnets (90), and a control arrangement (70) for combining the wavelets (30) for generating a composite synthesized power output (10) from the generator (20). A method of maintaining a variable generator (20) includes steps of: (a) determining operating status of modules (80) of the generator (20); (b) unplugging and replacing one or more defective modules (80) as identified in step (a). The generator (20) is susceptible to being used in renewable energy system, for example in a tidal water turbine, in a wind turbine, in association with an oscillating wind vane, in association with an ocean float, in a hydroelectric turbine, in a steam turbine.

The invention is applicable to mobile communication field and provides a variable mismatch load device, a RF device and a standing wave ratio and phase regulating method; the variable mismatch load device comprises a power-dividing combining unit, a first isolator, an amplitude phase regulator and a power amplifier; the common terminal of the power-dividing combining unit is connected with a measured part; the first isolation end of the power-dividing combining unit is connected with the power load through the first isolator; the second isolation end of the power-dividing combining unit is connected with the input end of the amplitude phase regulator; the output end of the amplitude phase regulator is connected with the input end of the power amplifier; the output end of the power amplifier is connected with the first isolation end of the power-dividing combining unit through the first isolator. The variable mismatch load device provided by the invention adopts the power amplifier for gain compensation and can generate any standing wave state unrelated to own part insertion loss; meanwhile, the variable mismatch load device has the characteristics of fast dynamic regulation speed of output parameters and high regulation accuracy.

The invention belongs to the field of injection molds, and discloses a geometric moldability analysis method of plastic parts based on a UGNX system. The method includes the following steps that (a) simplification of a three-dimensional entity model is achieved to obtain a simplified model; (b) convex hulls of the model simplified through a wrap geometry method are adopted, and a plurality of potential undercut feature faces are obtained; (c) the potential undercut feature faces are divided into a plurality of potential undercut features according to the connection relationship, visual de-molding analysis is conducted on the potential undercut features so as to obtain the de-molding directions corresponding to the potential undercut features and undercut features, and therefore, the several de-molding directions and the undercut features corresponding to the de-molding directions are obtained; (d), the optimal de-molding direction is selected, and according to the de-molding direction,the draft angle of each face of the simplified model is determined. Through the method, a geometric moldability analysis system of the plastic parts is provided, and dependence on the design engineer's experience is reduced.

The embodiment of the invention relates to the technical field of stereo display and specifically discloses a control method for stereo display, a device and an electronic device. The method comprises the following steps: providing a visual adjusting buoy to a display interface of the stereo content, wherein the visual adjusting buoy is presented on the display interface under a half-hidden state; detecting an activation operation of a user for the visual adjusting buoy under the half-hidden state; detecting a visual regulating operation of the user after the activation operation of the user is detected; adjusting a visual parameter of the stereo content according to the detected visual regulating operation; performing stereo display on the stereo content according to the adjusted visual parameter, thereby realizing the adjustment for the visual stereo effect of the stereo content. Through the method disclosed by the embodiment of the invention, the user can realize quick and real-time dynamic adjustment on the visual stereo effect of the stereo content by only inputting a simple gesture operation on the display interface of the stereo content.

The invention discloses a SIDO buck switch converter and a digital control method thereof. The converter includes a sampling module, A/D conversion module, error calculation module, PID control module, CCB frequency conversion control module, gate driving logic circuit and PWM module. The sampling module converts an analog signal into a discrete signal, then converts the analog signal into a digital signal by A/D conversion module, and inputs the digital signal to error calculation module. The PID module determines the duty cycle of the new switching cycle according to the error value. The PWMmodule outputs a corresponding PWM signal according to the value of the duty cycle, and the driving circuit determines the on-off of the switch transistor and adjusts the output voltage value. The CCB frequency conversion control module judges whether the frequency conversion control is adopted or not, and when the output current changes, the system returns to the steady state by adjusting the input power. The invention reduces the cross interference of two branches of the switch converter, improves the dynamic response of the switch converter and improves the steady-state performance of thesystem.

The embodiment of the invention discloses a power architecture which can be dynamically regulated in a wide range, relating to the power electronic field, wherein, the power architecture comprises: a non-isolation high-frequency switch buck DC/DC conversion unit, which outputs the voltage to an open loop isolation conversion unit after pre-regulating the voltage according to a first feedback regulating signal simultaneously when setting self output voltage; an open loop isolation DC/DC conversion unit which receives the DC voltage output by the non-isolation high-frequency switch buck DC/DC conversion unit, carries out high-efficient isolation and conversion, and outputs the DC voltage; and an isolation signal transmission unit, which transmits the first feedback regulating signal for outputting the voltage to the non-isolation high-frequency switch buck DC/DC conversion unit. The power architecture which can be dynamically regulated in a wide range is a wide-range high-efficient dynamic regulation power architecture which has low cost, simple design, high power density and high reliability, and can realize the change of dynamic and quick regulation in a wide range of the output voltage.

The invention discloses an integrated control system of an elevator, which comprises a master control module, an external signal module and a motor, wherein the external signal module and the motor are respectively and electrically connected with the master control module. The integrated control system is characterized in that the master control module comprises a logic control module and a drive control module; the logic control module is used for receiving and processing a signal from the external signal module; the drive control module is used for controlling the operation of the motor; and the master control module further comprises a power-off automatic flat-layer module used for controlling the elevator to be operated to the flat-layer position under emergency circumstances. The integrated control system with the technical scheme has the benefits that the logic control and the drive control to the elevator are organically combined, high integration is achieved, and the function of driving the elevator by a frequency converter is optimized fully.

The invention discloses a route planning method and electronic equipment. The method comprises the following steps of: obtaining at least one piece of initial traffic parameter information which is used for planning a travel route; determining an initial travel route from a departure place to a target place on the basis of the at least one piece of initial traffic parameter information; when the current position is a midway place between the departure place and the target place, obtaining at least one piece of midway traffic parameter information; and when the at least one midway traffic parameter information satisfies a preset condition, adjusting the initial travel route on the basis of the at least one piece of midway traffic parameter information. The route planning method is used for solving the technical problem that route planning methods in the prior art cannot provide correct route suggestions for the travelers, so that the technical effect of providing a route planning method which is high in correctness is realized.

A device for generating an alternating radio-frequency electromagnetic field in a working area includes an applicator emitting the electromagnetic field, an oscillator providing an alternate voltage and electric current having a predetermined value and a predetermined frequency to the applicator, a power supply supplying a substantially DC voltage to the oscillator, and a control system controlling the electrical parameters of the AC voltage, the AC current and/or the frequency provided to the applicator by the oscillator. The control system includes an input port connected to the electric power network, a first electronic control connected to the input port and substantially instantaneously varying the electrical parameters and instantaneous control of the field emission power, and a second electronic control circuit regulating the operation of the oscillator. The first electronic circuit has an output connected to the power supply. A plant includes the device and a control method for the device.

The invention relates to an apparatus and a method for dynamically regulating an electric arc furnace (1) that is electrically connected to a power supply system and that has at least one system phase that is used to apply to a furnace electrode an electrical AC voltage having an amplitude and a frequency and to supply an arc current, which is required for melting, having an amplitude and a frequency, wherein a control loop device (3) that has an electrical converter (5) is designed for negative feedback of the amplitude and/or the frequency of the AC voltage to produce the amplitude and/or the frequency of the arc current, the converter (5) is a two-port network (11) having an input port (7) and an output port (9), wherein the input port has a system power supply connected to it and the output port has a melting furnace power supply connected to it, the output port (9) has a primary circuit of a first transformer (13) electrically connected to it, in whose secondary circuit the furnace electrode of the electric arc furnace (1) is electrically connected. The invention is distinguished in that a primary coil of a second transformer (15) is electrically connected in parallel with the input port (7) of the converter (5), and a secondary coil of the first transformer (13) is electrically connected in series with a secondary coil of the second transformer (15).

The invention belongs to the technical field of control, and particularly relates to a method for judging the rotating speed of an exhaust gas turbocharger. According to the method for judging the rotating speed of the exhaust gas turbocharger, the turbocharger adopts a Hall type rotating speed sensor, the Hall sensor sends a voltage signal to a diesel engine controller; according to the queried real-time intake supercharging pressure of the diesel engine, a rotating speed curve of the exhaust gas turbocharger is queried, and the rotating speed of the target exhaust gas turbocharger is obtained; the controller calculates and compares the inquired rotating speed of the exhaust gas turbocharger with the rotating speed of the turbocharger input by the rotating speed sensor, and judges whether the rotating speed of the turbocharger is in a target interval or not by integrating a gas inlet pressure comparison result; and after the rotating speed of the supercharger is reduced to the target interval, the controller outputs a control signal to an electric control waste gas bypass valve to control the waste gas bypass valve to be closed, and it is guaranteed that the rotating speed of the supercharger is stabilized within the matching range of the current working condition.

The invention discloses a method for controlling interpolar power of three-terminal hybrid direct current. The method comprises the following steps of: simultaneously controlling direct current busbarvoltage and reactive power exchanged between a local terminal and an alternating current system by adopting a first flexible direct current terminal and a second flexible direct current terminal; calculating a total active power value needing to be transmitted by a direct-current perfect pole after a single pole is locked; obtaining a first droop control curve and a second droop control curve; and when single-pole locking occurs, controlling the interpolar transmission power through the first droop control curve and the second droop control curve according to the relationship between the direct-current power which can be transmitted by the residual pole of a conventional direct-current end and the total active power value. According to the three-terminal hybrid direct current interpolar power control method disclosed by the invention, rapid interpolar power transfer of the three-terminal hybrid direct current can still be realized in a peer-to-peer control mode when a single-pole locking fault occurs in the three-terminal hybrid direct current. The invention further discloses a device and a storage medium.