43 results about "Dynamic voltage scaling" patented technology

The invention discloses a power grid voltage fluctuation suppression method and system based on dynamic voltage regulation, and the method comprises the steps: synchronously collecting a three-phase voltage signal through a sensor array, generating a multi-dimensional feature vector through Park transformation, and extracting a time-frequency joint feature through a mixed multi-scale decomposition algorithm, and inputting a model fusing fuzzy reasoning and a space-time diagram neural network, generating a cooperative adjustment strategy in combination with power grid topology and equipment constraints, and optimizing model parameters through a closed-loop correction mechanism driven by a dynamic forgetting factor. The system comprises a signal acquisition module, a characteristic decomposition module, an intelligent decision module and a closed loop correction module. According to the method, high-precision suppression of power grid voltage fluctuation is realized, the multi-node cooperative adjustment capability is improved, the method can be adaptive to power grid operation state changes, technical feasibility and economic rationality are considered, and an effective scheme is provided for modern power grid voltage stable control.

The invention discloses a high-voltage power grid voltage quality compensation method based on a passive control strategy, and relates to the technical field of power grid voltage control, and the method comprises the steps: reading the data of an energy recovery type passive control system, and constructing a digital twinborn model; performing control fitting evaluation based on a twinborn model, distributing monitoring sensors and establishing mapping in the model; establishing time sequence monitoring data through a monitoring sensor, synchronizing the time sequence monitoring data to a short-term power grid state prediction network in the twin model, and establishing a prediction data set; analyzing the automatic compensation strategy, performing regulation analysis on the dynamic voltage regulator, and establishing a regulation data set; acquiring energy storage data, and establishing a compensation objective function; and inputting the prediction data set, the adjustment data set, the time sequence monitoring data and the energy storage data into the compensation objective function, executing control optimization, and performing power grid voltage quality compensation. Therefore, the technical effects of simple control, control cost reduction and compensation response efficiency improvement are achieved.

The invention discloses a computer microcontroller low-power-consumption control method based on an RISC-V framework, and relates to the field of microcontrollers. According to the computer microcontroller low-power-consumption control method based on the RISC-V architecture, a core state cycle monitoring module, a sleep duration prediction unit, a dynamic voltage regulation unit, a multi-stage threshold cycle judgment module, a wake-up interference filtering unit and a closed-loop execution regulation module are configured. According to the computer microcontroller low-power-consumption control method based on the RISC-V architecture, a sleep duration prediction unit calculates a predicted sleep duration based on historical task data, a dynamic voltage regulation unit adaptively matches a core sleep voltage according to the predicted duration, hierarchical verification is performed on a core operation parameter through a multi-level threshold cycle judgment module, and the core operation parameter is subjected to low-power-consumption control based on the RISC-V architecture. And the wake-up interference filtering unit performs progressive filtering on an external wake-up signal, and controls the core to sleep / wake up in combination with the closed-loop execution adjusting module.

The invention discloses a dynamic voltage regulation method of a pole-mounted circuit breaker in new energy grid connection, and relates to the technical field of power equipment control, and the method comprises the steps: obtaining new energy grid connection voltage monitoring data and pole-mounted circuit breaker state data, carrying out the voltage abnormality detection, and obtaining an abnormality coefficient; and judging whether the abnormal coefficient exceeds a preset threshold, if so, activating a circuit breaker control decision model, inputting the abnormal coefficient and circuit breaker state data, and outputting a control strategy. And adjusting the on-off state of the pole-mounted circuit breaker according to the control strategy, and dynamically adjusting the voltage of the power grid. The technical problem that the voltage fluctuation caused by new energy grid connection is difficult to deal with due to the fact that the power grid voltage cannot be dynamically adjusted in real time in the prior art is solved, and the voltage fluctuation possibly occurring in the new energy grid connection process is effectively dealt with by monitoring and dynamically adjusting the control strategy of the pole-mounted circuit breaker in real time. Therefore, the stability of the power grid voltage is ensured.

The invention relates to the technical field of switching power supplies, in particular to a stroboflash-free high-power-factor single-stage switching power supply. The output module is electrically connected with the control module through the dynamic voltage detection module; the control module receives the dynamic voltage signal from the output module; the control module is electrically connected with the input module through the dynamic voltage regulation module and the primary side feedback module in sequence; the control module generates an adjusting signal according to the dynamic voltage signal and controls on or off of the dynamic voltage adjusting module, the adjusting signal is fed back to the input module through the primary side feedback module, and the input module adjusts the dynamic voltage signal generated by the output module; the control module is electrically connected with the output module through the current chopping adjusting module. The control module generates a chopping signal according to the received dynamic voltage signal, and the chopping signal drives the current chopping adjusting module to carry out chopping on the dynamic voltage signal generated by the output module; the problem that the output current ripple of a high-power-factor single-stage switching power supply is large is solved.

The invention provides a CPLD (Complex Programmable Logic Device) configuration information power-on loading method and system based on dynamic voltage regulation in the technical field of CPLD management. The method comprises the following steps: S1, generating an offset sub-address of each byte data in configuration information by a CPU (Central Processing Unit) based on an offset address; s2, sending a protection identifier, the first byte data and a corresponding offset sub-address to an I2C slave controller, and respectively writing the protection identifier, the first byte data and the corresponding offset sub-address into a protection register, a data register and an address register; s3, after the logic controller verifies the protection identifier written in the protection register, controlling the I2C main controller to read the byte data and the offset sub-address from the corresponding register so as to write the byte data into the EEPROM based on the offset sub-address, and executing the writing of the next byte data until all the writing is completed; and S4, when the CPLD is powered on, the I2C main controller automatically loads the byte data stored in the EEPROM to the configuration register. The CPLD configuration information loading method has the advantages that the convenience, flexibility, safety and reliability of CPLD configuration information loading are greatly improved.

The invention relates to the technical field of computers, discloses a dynamic voltage regulation device and method and computer equipment, and aims to solve the problem of inconvenience in reliability test or voltage Margin test operation of electronic products such as a server and the like. The dynamic voltage regulation device comprises a management controller, a digital-to-analog converter, at least one power supply module and at least one load. A power supply module is used for supplying power to at least one load. The management controller is connected with the digital-to-analog converter, the management controller is used for issuing the voltage-regulating digital signal to the digital-to-analog converter, and the digital-to-analog converter is used for converting the voltage-regulating digital signal into a corresponding voltage-regulating analog signal and issuing the voltage-regulating analog signal to the power supply module. The power supply module is used for receiving the voltage regulating analog signal and regulating the output voltage according to the voltage regulating analog signal. The dynamic voltage regulation device provided by the invention can regulate the load voltage in a relatively large range on line.

Circuits are disclosed for controlling voltage regulators. In general, one aspect disclosed features an electric circuit comprising: a digital ramp generator configured to generate a digital voltage ramp; a digital low-pass filter having an input electrically coupled to an output of the digital ramp generator and configured to low-pass filter the digital voltage ramp; a digital-to-analog converter having an input electrically coupled to an output of the digital low-pass filter and configured to generate an analog control signal based on the filtered digital voltage ramp; and a voltage regulator having an input electrically coupled to an output of the digital-to-analog converter and configured to regulate an output voltage based on the analog control signal and an input voltage of the voltage regulator.

A switching regulator is provided, the switching regulator comprising a first conversion stage and a second conversion stage. The first conversion stage may include a first output capacitor connected between a first output node and ground, the first conversion stage being configured to receive a first input voltage and provide an output voltage by adjusting the level of the output voltage based on a first dynamic voltage scaling (DVS) rate related to a first load condition of a processing circuit. The second conversion stage may include a second output capacitor connected between a second output node and ground, the second conversion stage being configured to receive a second input voltage and provide the output voltage by adjusting the level of the output voltage based on a second DVS rate related to a second load condition of the processing circuit, the second load condition of the processing circuit being heavier than the first load condition of the processing circuit.

1. The name of this design product: Dynamic voltage regulator outdoor cabinet. 2. Purpose of this design product: used in industrial-grade uninterruptible power supply chassis. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. The bottom surface of this design product is a part that is not easily visible or cannot be seen when in use, so the top view is omitted.

Described embodiments include an electronic circuit having input and output voltage terminals and an amplifier, a switch coupled between the amplifier output and a voltage-to-current converter input. A first comparator has inputs coupled to the input voltage terminal and a current sense terminal. A gate drive circuit has an input coupled to the first comparator output, and outputs controlling a high-side transistor and a low-side transistor. A current sense circuit input is coupled to the current sense terminal. A current regulation circuit has an input coupled to the current sense circuit and an output coupled to the V2I circuit. A second comparator has an input coupled to the amplifier input. A discharge circuit has an input coupled to the output of the second comparator, and an output coupled to the output voltage terminal. A feedforward circuit has an output coupled to the first comparator.

The application discloses a power management method, device and equipment and a readable storage medium, and relates to the technical field of power management. The method comprises the following steps: obtaining a mode switching instruction and determining a target working mode; obtaining corresponding power control parameters according to the target working mode, wherein the power control parameters at least include the on-off states of multiple power switches and target voltages of multiple voltage domains; performing data protection processing on a target function module before executing mode switching; independently controlling each power switch based on the power control parameters and dynamically adjusting each voltage domain; controlling a clock module to adjust the system clock frequency, so that the chip enters the target working mode; and monitoring a wake-up signal in the target working mode, and executing mode recovery when the wake-up signal is detected. The method effectively improves the adaptation capability and use performance of the system in multiple scenarios.

A system for implementation within a visual sensing pipeline facilitates dynamic voltage scaling for image sensors, enabling image sensors to capture frames at varying fidelities for improved energy efficiency. The system includes hardware and software interfaces to enable dynamic voltage scaling, and are demonstrated with integration into an RPi-based streaming platform. The system is evaluated with representative IoT / AR workloads over various voltage scheduling policies.

The application relates to the technical field of switching power supplies, in particular to a high-power-factor single-stage switching power supply without frequency flicker; an output module is electrically connected with a control module through a dynamic voltage detection module; the control module receives a dynamic voltage signal from the output module; the control module is electrically connected with an input module through a dynamic voltage adjustment module and a primary side feedback module in sequence; the control module generates an adjustment signal according to the dynamic voltage signal, controls the opening or closing of the dynamic voltage adjustment module, feeds back to the input module through the primary side feedback module, and adjusts the dynamic voltage signal generated by the output module by the input module; the control module is electrically connected with the output module through a current chopping adjustment module; the control module generates a chopping signal according to the received dynamic voltage signal, and the chopping signal drives the current chopping adjustment module to chop the dynamic voltage signal generated by the output module; the problem that the output current ripple of the high-power-factor single-stage switching power supply is large is solved.

The application provides a bipolar compensation type dynamic voltage regulator, method, device and storage medium, which comprises a double-chopper circuit and LC filter and transformer. In the first circuit: T1 / T2 emitter is connected in common, T2 / T3 collector is connected in common, and T3 / T4 emitter is connected in common; the second circuit is symmetrically connected. The filter inductor is connected to the T2 / T3 collector node, the capacitor is connected to the T6 / T7 collector node, and the free ends of the inductor and the capacitor are interconnected. The primary side of the transformer is connected to the LC connection point through the same end, and the non-same end is connected to the free end of the capacitor. Through the cooperative control of the double circuits: the non-working circuit is closed, the complementary conduction of the circuits is activated to generate a reverse compensation voltage; during the dead time period, the freewheeling path is constructed by using the conduction tube and the anti-parallel diode to eliminate overvoltage; the duty cycle is dynamically adjusted in real time according to the input-output voltage difference to realize accurate compensation.

A regulator includes: a reference voltage generation circuit generating a second reference voltage different from a first reference voltage according to a dynamic control signal; an error amplifier configured to generate an error voltage based on the second reference voltage and a regulated voltage at an output node; a power transistor including a gate terminal connected to the error amplifier and receiving an input voltage to output the regulated voltage to the output node based on the error voltage, a dynamic voltage scaling (DVS) circuit connected to the reference voltage generation circuit and the output node, the DVS circuit is used for receiving a regulation voltage from a processor and reducing the regulation voltage to the second reference voltage, and the control circuit is used for receiving a power-off signal from the processor and turning off the power transistor when the regulation voltage is reduced to the second reference voltage through the DVS circuit.

The present invention relates to the field of robot control technology, and in particular to a robot control method, device, system, electronic device, and storage medium. The method is applied to a control mechanism in a robot control system, and the robot control system includes a robot and a dynamic voltage regulator; a piezoelectric quasicrystal coating is provided on the execution end of the robot; one end of the dynamic voltage regulator is electrically connected to the piezoelectric quasicrystal coating, and the other end is connected to the control mechanism; the method includes: controlling the execution end to move to an initial position. The robot control method provided in the present application is provided with a piezoelectric quasicrystal coating on the end effector of the robot, and the applied current input to the piezoelectric quasicrystal coating is changed by changing the output voltage of the dynamic voltage regulator, so that the adsorption force generated on the coating surface can be changed, and the movement of the robot can be used to realize the grasping and placement of micro-nano objects or thin-sheet objects to improve the grasping accuracy.

1. Name of the designed product: Dynamic voltage restorer (450 kVA). 2. Use of the designed product: Used for dynamic voltage regulation, to ensure reliable power supply for loads. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Fig. 1.

The application discloses a dynamic voltage regulation and power balance control method and system in an integrated circuit, and particularly relates to the technical field of integrated circuit power management, which measures the timing margin, load change slope and voltage undershoot amplitude of a key path in real time, calculates a timing robustness quantitative value, calculates a leading compensation pulse and sends the same before load jumping, dynamically switches PID coefficients to suppress nonlinear oscillation, stretches a clock or freezes a pipeline when the timing robustness quantitative value is lower than a first threshold value, inserts idle instructions to cut off positive feedback when the product of a current change rate and a temperature gradient is higher than a second threshold value, decouples and isolates a calculation core from peripheral logic, and calibrates the first and second threshold values, so that the application suppresses voltage transients through the leading compensation pulse, reduces timing violation risks, blocks metastable state propagation and positive feedback cycles through clock stretching or pipeline freezing and forced idle instructions, and improves adaptive capacity through voltage domain decoupling and isolation and stable state feedback calibration of threshold values.

Implementations are disclosed for a power switching regulator defined to be used for power harvesting but is instead configured to include an additional power rail. A switching regulator includes a first contact defined as a first power input to the switching regulator (with the first contact coupled to a first power source), a second contact defined as a second power input to the switching regulator (with the second contact defined to be coupled to a harvester), and a third contact whose output is defined as a storage voltage for harvesting. Instead of the third contact being used for outputting a storage voltage for harvesting, the third contact is coupled to a voltage (VSTORE) power rail for providing power (that may be configurable) to one or more electronic components of the electronic device (such as a CPU to perform dynamic voltage scaling or by a power amplifier sensitive to power efficiency).

The present invention discloses a single-phase transformer-isolated series-connected dynamic voltage regulation device, belonging to the field of dynamic voltage regulation technology. The present invention comprises a control unit, a rectifier unit, an energy storage unit, a power inverter unit, a transformer isolation unit, and a bypass unit; the input end of the rectifier unit is electrically connected to the output end of a three-phase AC power supply; the output end of the rectifier unit is electrically connected to the energy storage unit; the output end of the energy storage unit is electrically connected to the input end of the power inverter unit; the output end of the power inverter unit is electrically connected to the input end of the transformer isolation unit; and the output end of the transformer isolation unit is electrically connected to the bypass unit. When voltage instability occurs on the load side, the present invention can achieve dynamic compensation for voltage instability by disconnecting the circuit breaker QF3 and compensating for voltage drop through a single-phase isolation transformer. At the same time, the three single-phase isolation transformers are independently arranged to prevent mutual interference between different single-phase isolation transformers.

A storage device includes a power supply device including an auxiliary power supply device providing auxiliary power, configured to generate a deterioration monitoring signal indicating a degree of deterioration of the auxiliary power supply device, and configured to generate an output voltage based on external power or the auxiliary power; and a main system configured to operate based on the output voltage and perform a dump operation for backing up data in a sudden power off (SPO) situation, wherein the main system compares the degree of deterioration of the auxiliary power supply device with a preset reference value in response to the deterioration monitoring signal, and generates a voltage scaling command for controlling the power supply device to convert an average voltage level of the output voltage to a dynamic voltage scaling (DVS) level based on a result of the comparison.

The invention provides a bipolar compensation type dynamic voltage regulator, a method, equipment and a storage medium. The regulator comprises a double chopping loop, an LC filter and a transformer. In the first loop, emitter electrodes of T1 and T2 are connected together, collector electrodes of T2 and T3 are connected together, and emitter electrodes of T3 and T4 are connected together. And the second loops are symmetrically connected. A filter inductor is connected with a T2 / T3 collector node, a capacitor is connected with a T6 / T7 collector node, and free ends of the inductor and the capacitor are interconnected. The primary-side dotted terminal of the transformer is connected with the LC connection point, and the non-dotted terminal is connected with the free end of the capacitor. Through double-loop cooperative control, a non-working loop is closed, and an activation loop is complementarily conducted to generate a reverse compensation voltage; a freewheeling path is constructed by using a conduction tube and an anti-parallel diode in a dead zone period to eliminate overvoltage; the input-output voltage difference is compared and measured in real time, the duty ratio is dynamically adjusted, and accurate compensation is achieved.

The invention provides a storage and calculation integrated chip voltage regulation method and system based on a hybrid architecture, and a medium. Comprising the following steps: obtaining dynamic voltage regulation parameters by obtaining and processing storage hierarchical type feature data and data read-write demand data of chips, regulating initial configuration voltage, obtaining adaptive voltage, monitoring operation data of each chip of a chip cluster in real time, and processing through a preset global voltage regulation decision model, so as to obtain adaptive voltage; global voltage optimal adjustment strategy data is obtained for voltage adjustment, operation monitoring record data after adjustment is monitored, global voltage adjustment actual effect data is obtained through analysis and processing, and therefore the global voltage adjustment state is determined; according to the invention, the dynamic voltage regulation parameters of different storage layers are obtained through analysis and processing, the corresponding initial configuration voltage is preliminarily adjusted, global analysis is carried out on the chip cluster to determine the global voltage optimal regulation strategy data, and the regulation state is monitored in real time, so that voltage adaptation regulation is carried out on the storage and calculation integrated chip based on the hybrid architecture.

The utility model discloses an adjustable output voltage and current wireless intelligent light drive power supply device relates to power electronics technical field, including wireless communication module, dynamic voltage regulation module, smart home access module and main control module, wireless communication module, dynamic voltage regulation module, smart home access module all with main control module electricity is connected, and dynamic voltage regulation module is connected with wireless communication module, smart home access module and main control module electricity, in the utility model, dynamic voltage regulation module can directly external power supply, and the reference voltage of feedback is controlled by adjustable potentiometer, and the size of feedback voltage is controlled, and the feedback threshold of adjustment control unit is adjusted, realizes the current output of power supply circuit, and the power supply of different current size is provided to load, realizes dynamic voltage regulation function, and the built -in general communication interface of wireless communication module ensures the plug and play compatibility of different wireless chips, and the user can freely replace module to adapt to different smart home platform.

Methods and systems are described for converting, using a first asynchronous ADC, an analog input signal to a digital output signal according to a first clock cycle, and outputting a done signal upon completion of the conversion, the first asynchronous ADC configured with a supply voltage large enough that the done signal is asserted prior to a next clock cycle with predetermined probability, generating, using a timing margin sensor comprising a programmable delay unit, a delayed done signal having a reduced timing margin, and measuring, using a dynamic voltage scaling controller, an error rate of the delayed done signal according to the next clock cycle, and adjusting the supply voltage provided to the first asynchronous ADC responsive to the measured error rate deviating from a target error rate by a predetermined threshold.

A system for implementation within a visual sensing pipeline facilitates dynamic voltage scaling for image sensors, enabling image sensors to capture frames at varying fidelities for improved energy efficiency. The system includes hardware and software interfaces to enable dynamic voltage scaling, and are demonstrated with integration into an RPi-based streaming platform. The system is evaluated with representative IoT / AR workloads over various voltage scheduling policies.

A power supply circuit includes a clock buffer, a charge pump, a control circuit and a voltage clamp circuit. The clock buffer is configured to generate an adjusted clock signal according to a clock signal and level control signal. The clock signal includes a preset level. The charge pump is coupled to the clock buffer to generate an output signal according to adjusted clock signal and a system voltage. The control circuit is coupled to the charge pump to generate a charge pump control signal according to the output signal. The voltage clamp circuit is coupled between the control circuit and clock buffer to receive the charge pump control signal and a system voltage. The voltage clamp circuit outputs a level control signal according to the charge pump control signal. In response to a level of the level control signal, the adjusted clock signal includes an adjusted level.

This invention discloses a power supply system and an artificial intelligence system based on an artificial intelligence processor. In the power supply system, multiple DC-DC converters are connected in parallel on a first power supply rail, and the outputs of these DC-DC converters are all connected to the output of the power supply system. Multiple fast voltage regulators are connected in parallel on a second power supply rail, and their outputs are also connected to the output of the power supply system. The output of the power supply system is connected to the power input of the artificial intelligence processor. A control module is electrically connected to both the DC-DC converter module and the fast voltage regulator module. The control module determines the status information of the artificial intelligence processor and switches between supplying power to the artificial intelligence processor via either the DC-DC converter module or the fast voltage regulator module based on this status information. Thus, through the coordinated control of the fast voltage regulator module and the DC-DC converter module, rapid dynamic voltage regulation can be achieved to adapt to the rapid changes in the workload of the artificial intelligence processor.

A regulator includes a reference voltage generation circuit generating a second reference voltage varied from a first reference voltage according to a dynamic control signal, an error amplifier configured to generate an error voltage based on the second reference voltage and a regulation voltage at an output node, a power transistor including a gate terminal connected to the error amplifier and receiving an input voltage to output the regulation voltage to the output node based on the error voltage, a dynamic voltage scaling (DVS) circuit connected to the reference voltage generation circuit and the output node and dropping the regulation voltage to the second reference voltage, and a control circuit receiving a power-off signal from a processor and turning off the power transistor when the regulation voltage drops to the second reference voltage by the DVS circuit.