7results about How to "Ease of physical implementation" patented technology

The invention relates to the field of motor control, in particular to a three-closed-loop voice coil motor control method based on a sliding mode-active disturbance rejection technology, and the three-closed-loop voice coil motor control method comprises a position loop, a speed loop and a current loop. Wherein the position loop adopts an active disturbance rejection control (ADRC) method, the internal uncertainty and external disturbance of the system are estimated and compensated in real time through an extended state observer, and meanwhile, control output is quickly adjusted by using an error feedback control strategy, so that high-precision position tracking is realized; the speed ring adopts a sliding mode control strategy, and the speed signal is accurately controlled by using the characteristics of high robustness and quick response of sliding mode control, so that the dynamic performance and the anti-interference capability of speed control are enhanced; the current loop adopts a classic PI control method, so that the current of the motor can be quickly and accurately adjusted; a temperature compensation mechanism is added, electrical parameters in a system state equation are updated through a temperature-parameter model, and errors of three-closed-loop control are reduced.

The application belongs to the signal reading part in the circuit system, and relates to a digital signal driving circuit and a driving method with multi-channel input and single-channel output. The driving circuit comprises an enabling pulse generating circuit, a time sequence generating circuit and m signal transmission circuits. The enabling pulse generating circuit has one clock signal input end, one enabling pulse signal input end and n column-level circuit output switch control signal output ends. The time sequence generating circuit has k column-level circuit output switch control signal input ends and k signal transmission control time sequence output ends. Each signal transmission circuit has n column-level circuit signal input ends, n column-level circuit output switch control signal input ends, k signal transmission control time sequence input ends and one single-tap data output end. In one signal transmission circuit, n columns of signals are divided into k sections for driving respectively, and each section has j columns of reading circuits, so that multi-channel input and single-channel output of single-tap signal transmission from the column-level circuit are realized.

The invention discloses a distributed computing method, device, medium and equipment based on quantum bit cutting, which relates to the field of quantum computing technology. The distributed computing method based on quantum bit cutting includes: cutting the initial quantum neural network into multiple quantum neural networks according to the number of quantum bits in the initial quantum neural network; performing a first quantum gate series operation on each quantum bit in the first quantum neural network based on a first quantum neural network, respectively obtaining the expected value of each quantum bit in the first quantum neural network under its corresponding observable quantity after the first quantum gate series operation is performed, and obtaining a first expected value set; selecting two final expected values ​​from the final expected value set according to the structure of the quantum circuit in the initial quantum neural network, and performing binary classification on the digital image according to the two final expected values, so as to be compatible with a large number of quantum bits and realize direct support of large-scale quantum neural networks on NISQ devices.

The invention discloses a quantum state amplitude coding method and device based on a Gray code, equipment and a medium. The method comprises the following steps: carrying out normalization processing on a real vector to be coded; generating a Gray code queue according to the normalized real vector to be coded; according to the generation sequence of each Gray code in the Gray code queue, calculating any two adjacent Gray codes to obtain a corresponding target XOR value; encoding the normalized real vector to be encoded by adopting a quantum state encoding algorithm to obtain a parameter of an Ry gate; constructing a target quantum circuit according to the Gray code queue; the target quantum circuit comprises a plurality of X gates and Ry gates, and each X gate and each Ry gate are alternately arranged; the application position of each X gate is determined according to a target exclusive-or value; the application position of each Ry gate containing parameters is determined according to each Gray code; and obtaining a target quantum state through target quantum circuit evolution. According to the invention, the amplitude coding efficiency can be effectively improved under the condition that the number of quantum gates using quantum circuits is reduced.

This invention discloses an adaptive sliding mode control method for tower cranes based on an improved fruit fly optimization algorithm, comprising the following steps: Step 1): Designing an extended state observer to observe the load swing angle state; Step 2): Designing an adaptive sliding mode controller, feeding back the observed swing angle state to the adaptive sliding mode controller, which will enable the trolley to be precisely positioned while suppressing load swing angle oscillation; Step 3): Optimizing the parameters of the adaptive sliding mode controller through an improved fruit fly optimization algorithm, thereby improving the controller's control effect. This invention uses a combination of a linear extended observer and an adaptive sliding mode controller, which has the advantages of easy swing angle observation, simple physical implementation of the controller, and good control effect; in terms of parameter tuning, an improved fruit fly algorithm is used to strengthen the cooperation among fruit flies, avoid getting trapped in local optima, and improve the controller's control effect.

The invention discloses a method and device for stabilizing voltage output and an energy router system. The method comprises the steps that an energy router system is determined, the energy router system comprises a voltage control circuit, a first state observer, a second state observer and a complementary sliding mode controller, the voltage control circuit is connected with a load, and the voltage control circuit is connected with a direct current bus; determining a first disturbance estimation value corresponding to the first state observer and a second disturbance estimation value corresponding to the second state observer; inputting the first disturbance estimation value and the second disturbance estimation value into a complementary sliding mode controller to obtain a sliding mode control law; adjusting the reference pulse broadband modulation signal according to a sliding mode control law, and determining a target pulse broadband modulation signal; and controlling a switching tube of the voltage control circuit according to the target pulse broadband modulation signal so as to supply voltage to a load. According to the invention, the technical problem that the voltage supply is unstable when the energy router system supplies the voltage to the load in the prior art is solved.

The present invention relates to a dimmer constant current control method based on sliding mode control, comprising the following steps: S1: obtaining a smaller duty cycle of the leading arm and the lagging arm of the H-bridge; S2: obtaining the deviation signal e and the sliding film variable S of the sliding film control; S3: obtaining the output u of the dimmer constant current controller based on the sliding film control; S4: setting the control parameters of the dimmer constant current based on the sliding film control. The dimmer constant current control method based on sliding mode control of the present invention has a fast response due to the introduction of sliding mode control, is insensitive to corresponding parameter changes and disturbances, does not require system online identification, and is simple in physical implementation. The method of the present invention can improve the input power factor, improve the output waveform quality, and improve the stability and real-time performance of the constant current dimmer.