8results about How to "Save control resources" patented technology

The utility model discloses a relay driving circuit and charging equipment, and the driving circuit is connected with a relay through a first node, and comprises a coupling module, a first driving module, a second driving module and a first current limiting module. The coupling module is used for transmitting a voltage signal of the signal input end to a sixth node or turning off a connection path between the signal input end and the sixth node; the first driving module is used for responding to a voltage signal of the sixth node to connect the first node and the third node or turn off a connection path of the two nodes; and the second driving module is used for responding to the voltage signal of the signal input end to connect the seventh node and the third node or turn off the connection path of the two nodes. The first driving module and the second driving module are driven by the same path of driving I-O signals, and compared with an existing mode that two paths of driving I-O signals are controlled respectively, control resources are saved. And the problems of low starting speed and low power reduction amplitude of the relay are solved while reliable pull-in is ensured.

The invention discloses a complex no-fly zone reentry avoidance guidance method based on a dynamic antenna method, and the method comprises the steps: building a no-fly zone reentry avoidance guidance model of a hypersonic gliding aircraft; secondly, deducing a heeling angle reentry corridor by utilizing path constraint and quasi-equilibrium gliding conditions, and obtaining a heeling angle amplitude when an antenna is generated; thirdly, designing a no-fly zone evasion discrimination mechanism, eliminating evaded no-fly zones, and reducing the number of reentry guidance problem constraints; in this way, a dynamic adjustment strategy of the detection period and the detection step length is designed, and the flexibility of antenna detection is improved; and finally, an antenna generation termination condition and a scoring standard are given, and the antenna with the maximum score is preferentially selected as a guidance instruction scheme. Simulation experiment results prove that the method has good no-fly zone evasion performance and can adapt to the no-fly zone evasion problem of different shapes, numbers and motion states.

The present invention discloses a matrix type multiplexer output circuit based on single chip control, which includes the BJT logic XOR circuit for realizing single control dual output temperature or mode selection, the parallel resistor arrangement circuit for realizing multiple temperature or mode resistor value layout, the MOSFET cycle scanning circuit for realizing cycle scanning matrix output, and the ADC detection circuit for improving household appliances for various environmental data collection and intelligent control. The present invention is based on the BJT logic XOR circuit to realize the dual output type selection of single I / O control, reducing the single chip IO port control resources of dual output; based on the parallel resistor arrangement circuit, multiple temperature or mode resistor value layout is realized, based on the MOSFET cycle scanning circuit, a cycle scanning matrix output selection circuit is realized, and a shared cycle scanning ADC detection circuit is used to reduce the single chip ADC port required data, the circuit has a long working life, high precision, and stable output electrical signals.

The invention discloses a secondary control method and system of an island micro-grid based on voltage reactive hybrid errors, and belongs to the field of secondary control of an alternating current micro-grid, and the method comprises the steps: for each bus and each inverter connected with the bus, obtaining a state quantized value uploaded by each inverter in real time from a communication network, and obtaining a bus voltage; and for the ith inverter, respectively calculating a voltage reactive hybrid error # imgabs0 # and a frequency active hybrid error # imgabs1 #, calculating a voltage control signal # imgabs3 # and a frequency control signal # imgabs4 # according to # imgabs2 #, calculating a reference voltage # imgabs6 # and a reference frequency # imgabs7 # according to # imgabs5 #, and then carrying out double-closed-loop PI control to obtain a PWM (Pulse Width Modulation) signal, and acting the PWM signal on the ith inverter to realize secondary control. According to the invention, the offset of the bus voltage and the frequency can be compensated while the power among the distributed power supplies is proportionally distributed, so that the normal operation of the load is ensured.

The invention relates to the technical field of equipment cleaning, and discloses an equipment incrustation cleaning method and device, equipment and a storage medium. The equipment enters a cleaning mode in response to the equipment, the equipment is controlled to execute water inlet operation, and after water inlet of the equipment is completed, the water is heated; the current required heating time when the water temperature is increased from the first temperature to the second temperature is recorded, the current equipment scale grade is determined based on the current required heating time, and the corresponding scale cleaning operation is executed based on the current equipment scale grade, so that the scale of the equipment can be cleaned in time, the user experience and the washing effect are improved, and the user experience is improved. The damage probability of the heater and the washing pump is reduced.

This invention provides a dual-mode propulsion system in the field of space propulsion technology, combining xenon propellant electric propulsion and cold gas propulsion. The system comprises a gas storage module and a pressure regulation module connected in series, with an electric propulsion module and a cold gas propulsion module connected in parallel downstream. These modules are controlled by a control and power module, which is shared by both electric and cold gas propulsion. Its advantages include solving the problem of insufficient control torque compared to a single electric propulsion system. Furthermore, because xenon is used as the working propellant, the xenon required for cold gas propulsion and electric propulsion serves as a backup for each other, resulting in high system integration. This meets the stringent limitations of satellite propulsion system size and control resources. Compared to an independent cold gas propulsion system, it achieves stable adjustment of the cold gas thruster's thrust over a wide range. Additionally, the system employs isentropic expansion decompression, reducing energy loss during decompression and lowering the power consumption required for temperature control.

The invention discloses a signal processing system, a signal processing method, a chip, a storage medium and a device, and relates to the technical field of image formation. The system can be integrated in a chip and controlled by the chip, and when the chip controls the system, the chip comprises a signal processing module used for receiving scanning data generated by a signal input module and processing the scanning data to obtain target data; the data storage module is used for receiving target data and storing the target data; and the pixel processing module is used for identifying a starting position and an ending position of the scanning data, and performing validity identification on the scanning data at the starting position and the ending position to obtain target data. The scanning data is processed through the signal processing module to obtain the target data, the target data is stored through the data storage module, the validity of the scanning data can be confirmed in the process that the signal processing module processes the scanning data, invalid data in the scanning data can be filtered out, and unnecessary storage resources cannot be occupied.

The invention discloses a multi-mode switching dual three-phase motor open-phase fault self-healing fault-tolerant control method, and belongs to the technical field of motor control. The fault-tolerant control method comprises the steps that six-phase variables are mapped to different planes, the current of a fundamental wave plane is adjusted through a PI controller, a bidirectional PI controller is adopted to restrain harmonic current, a cascaded wave trap is utilized to enable fundamental frequency components to circulate, and the fundamental frequency components are output to a voltage source inverter through SVPWM to achieve control over a motor. After a fault-tolerant state is entered, stator copper loss and torque output capability of the motor are comprehensively considered, and an optimal operation mode can be automatically switched according to a load condition. The method has the characteristics of no need of fault positioning and consistent control architecture, current reference does not need to be changed through additional operation in the control process, secondary faults caused by wrong reference are avoided, the complexity of control implementation is simplified, the problems of delay and errors in the fault positioning process can be eliminated, and the fault positioning accuracy is improved. And stable operation of the motor can be maintained before and after the open-phase fault.