6results about How to "Reduce output error" patented technology

The invention relates to the technical field of intelligent spectrum regulation and control, and discloses an intelligent spectrum regulation and control system based on multi-modal data fusion and dynamic optimization, which comprises a multi-modal data acquisition module, a real-time data processing module, a dynamic weight distribution algorithm, a deep reinforcement learning regulation and control algorithm and a distributed collaborative optimization module. According to the system, real-time fusion and dynamic priority adjustment of multi-dimensional data are realized through acquisition of multi-modal data (environment spectrum, temperature and humidity, carbon dioxide concentration and user behavior) and dynamic weight distribution based on LSTM (Long Short Term Memory); dynamic optimization of a spectrum regulation and control strategy is realized by combining a deep reinforcement learning model and utilizing a weighted reward function of a spectrum output error and energy consumption, and efficient light supplement and low energy consumption requirements are balanced; a distributed optimization algorithm with edge computing and cloud collaboration is adopted, computing resources are dynamically allocated, task processing efficiency is greatly improved, and system power consumption is reduced.

The invention discloses a backstepping active-disturbance-rejection control method and device for a permanent magnet synchronous motor and a medium, and relates to the field of motor control. The invention aims to solve the problem of overshoot in the control process of the traditional three-phase motor. The invention relates to a backstepping active-disturbance-rejection control method for a permanent magnet synchronous motor. The method comprises the following steps: constructing a permanent magnet synchronous motor second-order dynamics simplified model with an error disturbance factor; de-noising the model by using a differential tracker; observing the denoised model by using a first-order extended state observer; obtaining an error disturbance factor of the motor control system by using a nonlinear state error feedback control law based on the observation result, and compensating the error disturbance factor to obtain external disturbance of the motor control system after compensation; and designing a backstepping controller of the permanent magnet synchronous motor by adopting a backstepping method on the basis of the compensated external disturbance of the motor control system, obtaining a control quantity by utilizing the backstepping controller of the permanent magnet synchronous motor, and further controlling a rotating speed ring in vector control of the permanent magnet synchronous motor.

The invention relates to the field of intelligent operation and maintenance of power equipment, in particular to a transformer maintenance-free respirator control method integrating temperature, humidity and pressure monitoring and electric heating regeneration and a storage medium. The method comprises the following steps: firstly, deploying a sensor in the respirator, collecting humidity and internal temperature and pressure data of a drying agent, and obtaining accurate data after moving average filtering and temperature compensation; and the control module is combined with the data, a humidity threshold value dynamically adjusted along with the load rate of the transformer and a regeneration period to trigger the regeneration system to start. During regeneration, the electric heating piece heats the drying agent, the fan adjusts the rotating speed according to the real-time temperature and humidity to discharge steam, meanwhile, the moisture absorption capacity recovery rate is corrected by combining aging of the drying agent, and starting and stopping or temperature adjusting delay are conducted according to the standard condition. The process data is uploaded to the operation and maintenance cloud platform through the LoRa module encrypted by AES-128, and the platform analyzes the trend through weighted linear regression and gives an alarm; and operation and maintenance personnel optimize parameters according to the parameters and regurgitate a judgment link. Related programs are stored in the storage medium and can be executed by the processor to achieve the method, and support is provided for maintenance-free of the respirator.

The invention relates to a calibration data application processing method for reducing power output errors in a signal source. The method comprises the following steps: setting power; judging whether the maximum power is greater than the maximum power, if so, setting the power to be limited to the maximum power; otherwise, setting a digital attenuator, and calibrating the digital attenuator; whether a step attenuator needs to be arranged or not is judged, if yes, the step attenuator is arranged, and the step attenuator is calibrated; otherwise, judging whether an analog attenuator needs to be arranged or not, if so, arranging the analog attenuator, and calibrating the analog attenuator; otherwise, outputting the power. By adopting the calibration data application processing method and device for reducing the power output error in the signal source, the processor and the computer readable storage medium, the error of the analog attenuator and the stepping attenuator is reduced, the actual maximum power of the current signal source is obtained, the output error of the signal power is reduced, and the power output error of the signal source is reduced. And the calibration data application becomes simple.

This invention provides a triaxial force sensor, comprising an elastic body and a strain gauge assembly. The elastic body includes connecting cylinders at both ends and a strain force detection area in the middle. The strain force detection area in the middle of the elastic body is configured as a weak connection structure, which includes at least four strain beams. The area enclosed by the strain beams is arranged in a square shape on the projection plane. The strain gauge assembly is attached to each strain beam. This invention can accurately measure forces in three mutually perpendicular directions and has the advantages of simple structure and fast response speed.

This utility model provides a liquid feed mixing and weighing device, comprising a raised platform erected on the ground, with an opening on the platform. A mixing vessel is installed within the opening, and the lower part of the mixing vessel extends downward from the opening. A weighing transition device is connected to the bottom of the mixing vessel via a pipeline, and the output of the weighing transition device is connected to a downstream packaging mechanism via a pipeline. This utility model is rationally designed. By using a weighing sensor on the mixing vessel to weigh the amount of liquid feed of different components and for subsequent mixing, it avoids errors in the overall proportions caused by the cumulative weight errors on the component packaging during mass production. Simultaneously, the weighing transition device weighs the mixed liquid output from the mixing vessel, reducing output errors.