9results about How to "Control energy consumption" patented technology

The invention discloses an operation optimization method for a circulating water pump of a hybrid-driven coal-fired unit. The operation optimization method comprises the following steps: S1, determining an optimization target of the circulating water pump; s2, establishing a condenser mechanism model to obtain a condenser pressure theoretical value; s3, establishing a condenser error correction model, correcting an error generated by the condenser mechanism model by using a hybrid modeling method of residual error modeling to obtain a condenser backpressure hybrid model, and calculating an accurate backpressure value; s4, establishing a micro-increasing power general calculation model, calculating values of exhaust steam flow, exhaust steam enthalpy and remaining velocity loss in combination with the condenser backpressure mixing model, and calculating a micro-increasing output value of the unit by using the micro-increasing power general calculation model; and S5, operation optimization of the circulating water pump: dynamically optimizing the operation mode of the circulating water pump in combination with the condenser backpressure mixing model and the micro-increasing power calculation model. The running mode of the circulating water pump is dynamically optimized by combining the condenser backpressure model and the micro-increasing power calculation model.

The invention discloses a video data transmission method, device and system. The method comprises the steps that quality data of video data to be transmitted and network environment data are acquired, and the network environment data are used for representing the delay degree of a network environment where the video data are located in the video data transmission process; determining a target coding parameter of the video data based on the quality data and the network environment data; according to the target coding parameter, coding the video data to obtain coded video data; and determining a target transmission rate of the coded video data based on the target coding parameter and the coded video data, and transmitting the coded video data according to the target transmission rate. The technical problem that video data cannot be effectively transmitted is solved.

The invention discloses an operation state control method applied to a centrifugal machine. A rotating shaft is driven to rotate according to a rotating speed median value so that mixed liquid can be evenly distributed into each set of rotating drums; after separation of n parts of mixed liquid is completed, a set of rotary drums with the best separation effect in centrifugal separation of each set of rotary drums is confirmed, and the optimal centrifugal force of mixed liquid separation is obtained through calculation; calculating the radius of the energy-saving rotary drum to obtain a corresponding energy-saving rotary drum sleeve, and configuring the optimal rotating speed of the rotating shaft according to the position of the rotary drum sleeve and the optimal centrifugal force; and the mixed liquid is guided to the fixed drum sleeve. And driving the rotating shaft to rotate according to the optimal rotating speed, and separating the mixed liquid. Mixed liquid can be separated at the same time through multiple centrifugal forces. Through one-time separation of a plurality of rotary drum sleeves, the most suitable separation rotary drum can be determined at the fastest speed, and the separation efficiency is improved. And only one set of drum sleeve is used for separation again, so that the efficiency is high, and meanwhile, energy is saved.

This invention relates to the field of industrial wastewater treatment technology, and discloses an electrocatalytic oxidation device and its operating method for treating saline industrial organic wastewater. Wastewater enters the reaction chamber through the bottom inlet, is forced through the anode channels, and undergoes an electrochemical oxidation reaction on the anode surface to convert chloride ions into hypochlorous acid. A vacuum ultraviolet light source performs in-situ photolysis of water molecules and hypochlorous acid, exciting various active species, including strongly reducing hydrated electrons, strongly oxidizing hydroxyl radicals, and chloride radicals. This device, through the construction of a reduction-oxidation system, can efficiently degrade various pollutants with both electron-rich and electron-deficient characteristics. This invention utilizes the synergistic coupling of electrochemical generation and photochemical conversion to convert high-concentration chloride ions into active precursors, effectively overcoming the bottlenecks of low degradation efficiency and poor selectivity in traditional technologies for high-salt and complex water quality, and significantly improving the system's mineralization efficiency and energy utilization rate.

This invention discloses an energy efficiency optimization method for a hybrid RIS-assisted UAV mobile edge computing system, comprising: establishing a system model including a ground terminal, a fixed RIS, and a UAV-mounted RIS; configuring system parameters; defining offloading decisions; determining the total offloading workload of the ground terminal and the total system energy consumption, and defining system energy efficiency; constructing an optimization problem aimed at maximizing system energy efficiency, jointly optimizing the ground terminal offloading decisions, etc., and simplifying the optimization problem using the Tinkerbach method; comparing the offloading rates of the ground terminal offloading tasks via the fixed RIS and the UAV-mounted RIS, and solving the offloading decisions; using a semidefinite relaxation method and introducing a penalty function to solve the beamforming matrix of the fixed RIS and the UAV-mounted RIS, solving the time slot allocation, and using continuous relaxation to solve the UAV trajectory; and iterating the offloading decisions continuously using the block coordinate descent method until the optimal solution and the maximum system energy efficiency are obtained.

The invention relates to the technical field of ice-making equipment, particularly provides a control method of ice-making equipment and the ice-making equipment, and aims to solve the problems of long ice-making time and single function of the existing ice-making equipment. In order to achieve the purpose, the ice-making equipment comprises a cold water tank and an ice-making device communicated with the cold water tank, the water level in the cold water tank is adjustable, the ice-making equipment has multiple ice-making modes including a rapid ice-making mode, a standard ice-making mode and a water-making mode, and the control method of the ice-making equipment comprises the steps that the corresponding water level is determined according to the ice-making modes; the water level in the cold water tank is adjusted to the determined water level; the ice making device is controlled to operate, and the refrigeration intensity of the ice making device can be determined according to the ice making mode and / or the water temperature in the cold water tank. Through the arrangement, quick preparation of ice blocks, simultaneous preparation of the ice blocks and ice water or independent preparation of the ice water can be realized, diversified use requirements of users are met, meanwhile, the ice making speed is increased, and the comprehensive energy consumption is reduced.

The invention relates to the technical field of computing resource allocation, and discloses a satellite-assisted multi-unmanned aerial vehicle computing unloading method and device and a program product, and the method comprises the steps: obtaining a state sample set generated by interaction between each unmanned aerial vehicle and a satellite mobile edge computing network and stored in an experience playback buffer area; judging whether the number of state samples in each state sample set is greater than or equal to a preset batch size; and when the number of the state samples in the state sample set is greater than or equal to a preset batch size, updating the initial calculation unloading strategy of each unmanned aerial vehicle by using a near-end strategy optimization algorithm until the satellite mobile edge computing network is in a stable state, and obtaining an optimal calculation unloading strategy of the unmanned aerial vehicle, according to the invention, low energy consumption and low calculation delay of the unmanned aerial vehicles are ensured in a high-dynamic network environment, and conflicts among the unmanned aerial vehicles when the unmanned aerial vehicles acquire calculation resources are reduced.

The utility model provides a kind of water inlet control device of dishwasher and dishwasher, and the water inlet control device includes respirator and water cup;The water outlet of the respirator is connected with the water inlet of the water cup by pipeline;Flowmeter is equipped in the respirator;Water level sensor is equipped in the water cup;The bottom of the water cup is equipped with drain pipe, and the end of the drain pipe is equipped with drain pump and is connected with the water inlet of the drain pump.The water inlet control device of dishwasher and dishwasher provided by the utility model can monitor actual flow of water inlet, and feedback compensation is carried out after water inlet deviation is generated, to adjust water inlet quantity, ensure washing effect and control energy consumption.

The application provides an amphibious double-arm chain saw cutting device, and relates to the technical field of engineering machinery, which comprises a catamaran type floating box track system, a double-arm chain saw cutting system, a power and hydraulic system, an intelligent control and safety system, and a support and function expansion system, and is characterized in that the catamaran type floating box track system provides an amphibious walking foundation and buoyancy support for the device, and at least comprises a floating box track frame, a sealed track plate, a walking mode switching mechanism and a dynamic buoyancy adjusting mechanism. Compared with the prior art, the device has the following beneficial effects: 1) the floating box track structure and the sealing design enable the device to stably work in water, and the land ground pressure ratio is reduced; 2) the double-arm cutting efficiency is improved, and the device supports multi-task parallel operation in complex terrain; and 3) a load-sensitive hydraulic system and a sensor network realize energy consumption optimization and action precision control.