8results about How to "Efficient operation" patented technology

The invention belongs to the technical field of industrial process control, and discloses an internet-of-vehicles cooperative vehicle fleet mixed triggering formation control method under network limitation, which comprises the following steps: constructing a longitudinal dynamic model and a formation topological structure of cooperative vehicles to describe a relative relationship between the vehicles, establishing an environment limitation model, and constructing a formation model; the nonlinear state of the cooperative vehicle is observed and estimated through the mixed trigger communication condition; a hybrid triggering mechanism is constructed by using a network quality of service QoS mapping function and a self-adaptive threshold value, so that the problem of complexity explosion caused by error derivation is avoided; and finally, constructing a consistency controller model of the collaborative vehicles, and realizing stable tracking and formation collaboration of the motorcade in a dynamic network environment. According to the invention, the vehicle can still keep efficient and smooth communication and control under the conditions of bandwidth limitation, delay change or data packet loss and the like, the network utilization rate is improved, and stable control of a motorcade is realized under various communication topologies.

The application provides a unified systolic array computing unit for ANN and SNN, comprising a shift-add computing processing unit and a systolic array formed by arrayed deployment of the shift-add computing processing unit; an execution of artificial neural network operation or pulse neural network operation is switched through a configuration mode selection signal terminal; in the artificial neural network mode, multiplication operation is unfolded in the time dimension, and a shift register and an adder constitute a time division multiplexing operation sequence to complete multiplication and accumulation operation; in the pulse neural network mode, a weighting accumulation is directly completed through multiplexing of an addition link, and a neuron time step dependent chain is decoupled through a soft reset mechanism to realize cross-time step weight multiplexing; control signals and data are propagated in the same direction in the systolic array, which is used for realizing control logic array level multiplexing, and fixed data flow is adopted for the output, so that partial sums are preferentially resident in the array interior; the working frequency can be improved, the bandwidth and power consumption can be reduced, and the area efficiency and timing convergence can be improved.

The safety auxiliary tool for the aluminum electrolysis extinguishing effect comprises a fixing rod, the end portion of the fixed end is sleeved with a sleeve, and the section of the fixing rod is of a circular structure. And an effect rod is sleeved in the end part of the sleeve. The diameter of the effect rod is smaller than that of the fixing rod. The diameter of the effect rod is gradually reduced from bottom to top, and the end face of the bottom end of the effect rod is inserted into the sleeve. And the end part of the effect rod can extend into the aluminum electrolysis cell. The device has the beneficial effects of reasonable structural design, convenience in operation, easiness in processing and low processing and manufacturing cost, can be matched with the effect rod for use, assists the effect rod to be inserted into the electrolytic bath for operation, is safer and more reliable in operation, and can play a role in protecting the safety of operators.

The utility model provides a simulation device for a foundation load test, and the device comprises a main body which is arranged at a test site; a first opening is formed in the storage container, the storage container is hollow, and the first opening abuts against the main body so that the storage container can be buckled to the main body, and therefore soil can be contained in the storage container; the lifting mechanism is arranged on the main body and connected with the storage container, and the lifting mechanism is used for applying a first acting force for driving the storage container to be separated from the main body, so that the soil body in the storage container is discharged through the first opening; the technical problem that a storage container is difficult to move out of a soil body in an existing foundation load test is effectively solved, the situation that in a traditional method, manpower or small excavating equipment is needed to remove the soil body in a narrow space is avoided, a large amount of manpower and material resources are saved, the risk of equipment damage caused by misoperation is reduced, and the working efficiency is improved. And a more efficient and safer operation mode is provided, and the method has important significance for improving the preparation and execution process of a foundation load test.

The invention discloses a convenient-to-maintain vertical food mixer which comprises a support, a mixing barrel is arranged on the support, a mounting seat is fixed at the top of the support, a through groove is formed in the mounting seat in a penetrating manner, and a lifting type mixing mechanism for stirring food raw materials in the mixing barrel up and down in a reciprocating manner is arranged at the top of the mounting seat; the lifting type stirring mechanism comprises a U-shaped plate fixed to the top of the mounting base, the inner surface of the U-shaped plate is slidably connected with a moving base, a transverse frame is fixed to the top of the moving base, and a sliding groove is formed in one side of the transverse frame in a penetrating mode. According to the vertical food stirring machine convenient to maintain, through the arrangement of the lifting type stirring mechanism, food raw materials at different depths in the stirring barrel are fully and uniformly stirred, stirring is flexible and efficient, and a more convenient, efficient and flexible operation mode is provided for food processing.

The utility model relates to the technical field of air conditioner ventilation, in particular to an air conditioner ventilation system with a noise reduction and sound insulation structure, which comprises an indoor unit shell, an impeller fan is mounted on the inner wall of one side of the indoor unit shell, evaporators are arranged on the left side and the right side of the impeller fan, and a refrigerant pipe A is inserted into one end of each evaporator. The other end of the refrigerant pipe A is connected to the inlet end of the compressor in an inserted mode, the outlet end of the compressor is connected to the inlet end of the condenser in an inserted mode, the outlet end of the condenser is connected with the refrigerant pipe B in an inserted mode, the other end of the refrigerant pipe B is connected to the inlet end of the expansion valve in an inserted mode, and a damping support is arranged at the bottom of the compressor. According to the improved ventilation system, multi-dimensional noise reduction can be achieved through the sound insulation cotton, vibration generated by mechanical parts can be buffered and loss can be reduced through the damping support and the damping support, the refrigerant pipe A and the refrigerant pipe B are corrugated hoses, the stability can be improved and faults can be prevented through flexible connection of the corrugated hoses, and the sawtooth-shaped flow deflectors can optimize airflow and reduce whistling sound at the same time.

This invention belongs to the field of industrial control technology and discloses a rotary valve control method, device, and equipment for a polyvinyl chloride (PVC) feeding and conveying production line. The method includes: real-time acquisition of sensor data to obtain material characteristic data, which at least includes flow rate data; calculating a flow rate deviation based on the flow rate data and a target flow rate; when the flow rate deviation is less than a preset threshold, adjusting the PID parameters of an adaptive PID controller based on the flow rate deviation, calculating a first opening value based on the adjusted PID parameters, and adjusting the opening of the rotary valve based on the first opening value; otherwise, inputting the material characteristic data into a pre-constructed nonlinear model to obtain a second opening value, and adjusting the opening of the rotary valve based on the second opening value. The nonlinear model characterizes the nonlinear relationship between the material characteristic data and the opening of the rotary valve. This method enables timely and precise control of material flow rate, adapting to complex production requirements.

The application relates to a liquid metal array-based flow field reconfigurable device in the field of flow field reconfiguration, which comprises an electrolyte working medium, a plurality of liquid metal droplets arranged in the electrolyte working medium in an array, a plurality of electrodes, which are averagely divided into multiple groups, a plurality of liquid metal droplets corresponding to the multiple groups of electrodes in a one-to-one manner, and a plurality of liquid metal droplet blocking structures, which are averagely divided into multiple groups, a plurality of liquid metal droplets corresponding to the multiple groups of liquid metal droplet blocking structures in a one-to-one manner, and a plurality of liquid metal droplet blocking structures in each group being distributed around the corresponding liquid metal droplet. The liquid metal array-based flow field reconfigurable device can realize flexible flow field generation and manipulation, and further realize multiple microfluidic device functions.