826 results about "Power Management Unit" patented technology

The invention relates to a dynamic adjustable multi-core cooperation mechanism and power consumption optimization method and system based on an RISC-V architecture. The method comprises the following steps: 1) initializing a dynamic adjustable multi-core cooperation system; comprising the steps that a hardware module is initialized, and the hardware module comprises a high-performance core P-core, a low-power-consumption core E-core, a hardware scheduling unit HSU and a power management unit PMU; loading a task queue, and marking task characteristics; 2) core state monitoring; comprising the following steps: an HSU monitors a core state; the power management unit PMU monitors voltage and frequency; 3) dynamic task scheduling; comprising the steps that task characteristics are allocated to a high-performance core P-core or a low-power-consumption core E-core; the idle core enters a low-power-consumption mode; and 4) self-adaptive energy saving is realized, and task migration is carried out. And through a dynamic task scheduling and energy-saving optimization algorithm, the flexibility and efficiency of the RISC-V multi-core processor are remarkably improved.

The invention relates to the technical field of graphics card power consumption adjustment, and discloses a method, a device and equipment for dynamically adjusting the power consumption of a graphics card component. The method comprises the following steps: carrying out multi-channel data acquisition and working load characteristic analysis on operation parameters of a graphics card GPU core, a video memory and a power management unit to obtain a component temperature state evaluation matrix; executing component-level power consumption distribution based on multi-objective optimization to obtain a power consumption distribution scheme of each component; inputting the power consumption distribution scheme of each component into a power consumption-frequency-voltage mapping model, and calculating an optimal frequency voltage configuration parameter through a binary search algorithm to obtain a frequency voltage control instruction; performing multi-step prediction to obtain a module power consumption demand prediction value; according to the method, the frequency voltage combination with the highest performance efficiency can be found under the condition that the power consumption constraint is met, and accurate power consumption control is achieved.

The invention belongs to the technical field of nerve regulation and control, and discloses a portable noninvasive brain deep electrical stimulation system based on time interference, and the system comprises an electroencephalogram signal collection unit which is used for obtaining an electroencephalogram signal in a high-quality resting state, and carrying out the signal preprocessing and feature extraction, thereby obtaining an optimal stimulation envelope frequency; the personalized finite element modeling unit is used for constructing a head personalized model and outputting optimal electrode configuration and stimulation parameters for a target brain region target spot; the electrode positioning and stimulation execution unit is used for realizing accurate positioning of an electrode position and implementing time interference electrical stimulation; the MCU unit is used for realizing data management, task scheduling and remote communication; the human-computer interaction unit is used for realizing visual treatment flow and parameter setting; and the power supply management unit provides stable working voltage for the system. According to the invention, the portable, intelligent and personalized modeling of the electrical stimulation treatment equipment is realized, and the precision and efficiency of nerve regulation and control are remarkably improved.

The invention discloses a chip design method, system and device based on a multi-core heterogeneous architecture and a medium. The method comprises the steps that the type and number of heterogeneous computing cores are determined according to a target application scene, and a task scheduling unit is configured; designing an on-chip interconnection structure of a heterogeneous computing core by adopting a hybrid topological structure, and verifying and adjusting a dynamic task scheduling strategy and the on-chip interconnection structure through hardware simulation; configuring a power management unit according to the energy efficiency optimization target, wherein the power management unit is used for controlling the working state of the heterogeneous computing core; operating data of the heterogeneous computing core are collected in the post-silicon verification stage, a firmware updating scheme is generated according to the operating data, and firmware updating is conducted according to the firmware updating scheme. By optimizing the chip design process under the multi-core heterogeneous architecture, the performance, the energy efficiency ratio and the reliability of the chip are improved, and the method can be widely applied to the technical field of chip design.

The invention relates to the field of edge computing and Internet of Things, and discloses a miniature data transaction device which comprises an edge computing unit used for executing a centralized or decentralized matchmaking algorithm and a transaction protocol; the multi-dimensional detection module comprises a compliance detection unit, a safety detection unit, a quality evaluation unit and a scene applicability evaluation unit; the hardware accelerator is used for accelerating a detection task and encryption operation; the communication module supports multi-protocol data transmission; the storage unit is used for caching transaction data and intelligent contract codes; the power management unit is used for controlling the total power consumption of the equipment, and the edge computing unit comprises a hierarchical trusted execution environment architecture consisting of a safe enclave and a general computing unit. According to the method, a hardware isolation architecture of the secure enclave and the general computing unit is adopted, and the dynamic key encryption shared memory technology is combined, so that the effects of privacy computing and efficient matching parallel execution are achieved.

The invention relates to a spatially distributed condensation type energy system which comprises a power generation unit, an energy storage unit, a power management unit and a space intelligent sun tracking mechanism. The power generation unit can convert solar energy into electric energy by combining a concentrating solar energy technology; the energy storage unit can store electric energy; the power generation unit is connected with the power management unit; the power supply management unit is connected with the energy storage unit and manages the electric energy output by the power generation unit to be stored in the energy storage unit in a cooperative manner; the power supply management unit is also in power supply connection with the space intelligent sun tracking mechanism and the external load system; wherein the power generation unit comprises a plurality of groups of power generation modules and a bracket structure; and the plurality of groups of power generation modules are arranged on the bracket structure and are connected with the power management unit. The energy system provided by the invention can improve the photoelectric conversion efficiency of the solar cell and reduce the cost of equipment.

Embodiments of the present application disclose an electronic device, a power supply management method, and a system-on-chip (SOC). The device comprises a SOC, a power management unit (PMU), a sensor module, and a peripheral device, the SOC comprises a first power domain and a second power domain, and the PMU is used for supplying power to the first power domain and the second power domain in the SOC. The SOC is used for communicating with the sensor module by means of the first power domain and communicating with the peripheral device by means of the second power domain. The PMU is further used for, when a first shutdown command sent by the SOC is received, controlling the first power domain to enter a first power supply state and controlling the second power domain to enter a second power supply state. By using the electronic device in the present application, the unlocking efficiency after startup or restart can be improved while ensuring low power consumption.

The present invention discloses a pulse generator and a pulse rod, which relate to the field of pulse circuit technology. The pulse generator includes a frequency control unit, a dual closed-loop pulse amplification unit, a digital signal processing unit and an adaptive power management unit. The frequency control unit includes an environmental sensor and a microcontroller. The microcontroller can calculate a preset pulse frequency based on information transmitted by the environmental sensor. The input end of the dual closed-loop pulse amplification unit can receive a pulse signal transmitted by the microcontroller, amplify it to a preset pulse frequency, and provide a pulse current to an electrostatic elimination needle. The digital signal processing unit can digitize the pulse signal to enhance the anti-interference ability of the pulse signal. The adaptive power management unit includes a dynamic voltage regulation module electrically connected to an external power supply, and the dynamic voltage regulation module can dynamically adjust the output voltage. The technical solution provided by the present invention can provide a pulse generator with high stability, a wide adjustment range and strong anti-interference ability.

An information handling system node includes a hardware processor, a memory device, a power management unit with a peripheral device node operatively coupled to the information handling system node. The hardware processor may execute computer-readable program code of a custom event and device manageability service sub-agent to discover the peripheral device node operatively coupled to the information handling system node including a unique peripheral device identification (ID), request and receive, via a unified device application programming interface module, peripheral device capabilities and event IDs, where the event IDs describe custom events that are transmittable via any bus protocol from the peripheral device node, and register for custom event notifications with the peripheral device node by sending callback messages to the peripheral device node describing which custom events to receive custom event notifications about and setting custom event triggers that trigger the custom event notifications.

Examples of throttling and unthrottling for power and / or thermal management of a computing device are described. In some examples, a power management unit coupled to the processor core is to determine when one or more of power and thermal operating characteristics of a system, of which the apparatus is a part of, are outside of a system constraint (e.g., a desired power or thermal level), and place one or more of devices coupled to the power management unit into a lower power level to meet the system constraint. In some examples, the one or more devices are input / output devices.

The invention belongs to the technical field of space photoelectric detection, and provides a high-precision tracking and pointing system and method capable of autonomously formulating an observation task in orbit. The system comprises an information processing unit, a power supply management unit, a task management unit, a thermal control unit, a GNSS unit, a star sensor unit, a gyroscope unit, a tracking and pointing calculation unit and a servo turntable unit. The system can receive a platform instruction, integrate information of sensors such as a GNSS, a star sensor and a gyroscope, calculate the accurate position of a tracked celestial body, and adjust the direction of a servo turntable in real time so as to accurately track a target. The working method comprises the steps of system starting and initializing, observation task making, tracking and aiming mode preparing, aiming direction correcting, observation target tracking and aiming, exception handling and the like. The system can realize high-precision observation of a celestial body target without depending on attitude adjustment of a spacecraft platform, improves the observation efficiency and reliability, and is suitable for observation of celestial bodies such as pulsar on a space station platform.

Techniques for providing hardware provided guidance for efficiently scheduling workloads to an optimal compute module are described. In some examples, hardware includes a first plurality of physical processor cores of a first type to implement a plurality of logical processor cores of the first type; a second plurality of physical processor cores of a second type, wherein each core of the second type is to implement a plurality of logical processor cores of the second type; a power management unit to monitor telemetry data on the first plurality of processor cores and second plurality of processor cores and to update hardware feedback telemetry data; and thread runtime telemetry circuitry to provide a hint using the hardware feedback telemetry data to consolidate tasks on one of core types.

The invention belongs to the technical field of automobile electronic safety, and particularly relates to an automobile keyless entry and start integrated system based on Bluetooth recognition, which comprises an awakening module, a connection management module, an entry authorization module, a start authorization module and a safety audit module, and is used for awakening an application scene switched to an active authentication mode based on a sleep mode. The problem of continuous high-power-consumption operation of Bluetooth is avoided, meanwhile, quick response is ensured when a user approaches a vehicle, and progressive protection for a Bluetooth recognition scene is formed through multiple security links of physical proximity verification and bidirectional encryption authentication. A vehicle entering authorization instruction is sequentially generated and sent to a vehicle body domain controller, and a vehicle starting authorization instruction is sequentially generated and sent to a vehicle power supply management unit, so that the convenience of Bluetooth keyless entry is reserved, the balance between non-inductive operation and absolute safety is realized, and closed-loop optimization is executed in combination with complete authentication failure auditing, so that the system has a self-iteration capability.

The invention provides an MCU function security implementation system based on a domain controller, and relates to the technical field of domain controllers, the system realizes dual backup storage and on-site execution of program codes by combining a security MCU without a built-in program memory with at least two redundant plug-in nonvolatile storage units, and the security of the MCU is improved. Consistency verification is carried out on key codes or data in the running process, and system failure caused by single-point storage faults or data tampering is effectively prevented; meanwhile, read-write operation without losing data during power failure is isolated through the independent data storage unit, and resource conflict and interference between program execution and data storage are avoided; the ASIL D-level power management unit supporting two-way fault monitoring is matched, resetting can be triggered in time or the MCU enters a safe state when a power supply is abnormal or an MCU internal fault occurs, and therefore a high-reliability and high-safety domain controller MCU system is constructed on the hardware architecture level, and the capacity of the MCU for meeting the ASIL D function safety level in a plug-in storage scene is improved.

An information handling system operating a converged 5G antenna module includes a processor; a memory; a power management unit; the processor executing a wireless interface adapter configure to concurrently operate a converged 5G antenna module at a new radio frequency range 1 (NRFR1) frequency and a NRFR2 frequency; a first radio subsystem including a first front end operatively coupled to a mmWave antenna of the converged 5G antenna module to communicate via an NRFR2 wireless communication signal; and a second radio subsystem including a second antenna front end operatively coupled to a cooling element structure of the converged 5G antenna module to receive an NRFR1 wireless communication signal via the cooling element structure of the converged 5G antenna module.

A method for controlling a hybrid power plant of a vehicle provided with a heat engine and at least one electrical unit comprising an electric machine, an electrical energy source, and a power management unit, the heat engine and the at least one electric machine being mechanically connected to input shafts of a gearbox. After acquiring parameters of the at least one electrical unit, and receiving a mechanical power requirement of the vehicle, a usable electrical power that can be used by the electrical unit and at least one operating setpoint of the electrical unit are determined as a function of the parameters and the mechanical power requirement. Finally, the heat engine and the electrical unit are controlled as a function of the at least one operating setpoint in order to meet the mechanical power requirement.

The embodiment of the invention discloses an electronic device, a power supply management method and an SOC (System on Chip), the device comprises the SOC, a PMU (Power Management Unit), a sensor module and a peripheral, the SOC comprises a first power domain and a second power domain, and the PMU is used for supplying power to the first power domain and the second power domain in the SOC; the SOC is used for communicating with the sensor module through the first power supply domain and communicating with the peripheral through the second power supply domain; and the PMU is also used for controlling the first power supply domain to enter a first power supply state and controlling the second power supply domain to enter a second power supply state under the condition of receiving a first shutdown command sent by the SOC. According to the electronic device provided by the invention, the unlocking efficiency after startup or restart can be improved on the premise of ensuring low power consumption.

Techniques for providing hardware provided guidance for efficiently scheduling workloads to an optimal compute module are described. In some examples, hardware includes a first plurality of physical processor cores of a first type to implement a plurality of logical processor cores of the first type; a second plurality of physical processor cores of a second type, wherein each core of the second type is to implement a plurality of logical processor cores of the second type; a power management unit to monitor telemetry data on the first plurality of processor cores and second plurality of processor cores and to update hardware feedback telemetry data; and thread runtime telemetry circuitry to provide a hint using the hardware feedback telemetry data to consolidate tasks on one of core types.

A wireless mouse operatively coupled to an information handling system including a wireless mouse microcontroller and a wireless mouse power management unit (PMU) to provide power to the wireless mouse microcontroller and the wireless mouse PMU operatively coupled to a battery and an ultracapacitor. The wireless mouse further comprising a click haptic solenoid energy harvester device placed under a wireless mouse button with a striking arm to interface with a mouse button plate when the wireless mouse button is pressed down, the striking arm urging a magnet through the wire coil when the wireless mouse button is pressed down to change the ultracapacitor. The wireless mouse microcontroller determines when the wireless mouse is in a standby mode based on input from an actuation / engagement sensor and, with the wireless mouse PMU, switch a power source from a battery to the ultracapacitor when the wireless mouse is in the standby mode.

The invention discloses a metal product surface sealing device based on an underwater explosion cladding technology, and belongs to the technical field of metal surface treatment. A pressure-resistant cavity is formed in the sealing box body, a buffer supporting structure is arranged at the bottom of the sealing box body, and a fuel tank and a combustion-supporting gas input connector are arranged at the top of the sealing box body; the two oppositely-arranged fixing assemblies are arranged in the pressure-resistant cavity, and a base plate and a covering plate are arranged between the two fixing assemblies; the ignition assembly comprises a mounting shell, a pulse igniter, a safety interlocking module and a power management unit are integrally mounted in the mounting shell, and the gas circuit control system comprises a fuel conveying pipeline and a combustion-supporting gas input pipeline which communicate with a fuel tank. According to the device, efficient and safe operation of underwater explosion compounding is achieved through collaborative innovation of multiple assemblies, the adjustable fixing assembly guarantees the positioning precision of the base plate / covering plate, the intelligent ignition system avoids the ignition failure risk, gas path closed-loop control optimizes the explosion energy stability, and the service life of the device is prolonged through a buffer supporting structure.

The invention belongs to the technical field of vehicle-mounted display screens, and discloses a low-power-consumption control method for a vehicle-mounted display screen, which comprises a control module, an environment perception and dynamic adjustment module, an energy recovery and reutilization module, a content optimization and compression module, an intelligent dormancy and wake-up preheating module, a power management unit and a display screen module. The content optimization and compression module intelligently analyzes the display content through the image processing and machine learning technology, dynamically adjusts the resolution and the color depth according to the importance and complexity of the content, and adopts an efficient encoding mode to compress pictures and videos, so that the energy consumption of data transmission and display is reduced, and the data transmission efficiency is improved. According to the invention, comprehensive intelligent management of the vehicle-mounted display screen and related hardware is realized, the energy consumption is effectively reduced, the energy utilization efficiency is improved, the visual comfort of a driver and the system response speed are ensured, and powerful support is provided for green and efficient operation of the vehicle-mounted display system.

The invention relates to the technical field of wireless communication, and particularly discloses a wellhead monitoring data transmission delay processing system based on wireless communication, which comprises a micro-power consumption monitoring terminal, a cloud server, a communication state monitoring module, a priority management module and a delay processing module. According to the scheme, a modular design is adopted, a plurality of units are integrated in the micro monitoring terminal, the internal units are controlled to be powered on periodically through the power supply management unit, the overall power consumption is effectively reduced, a non-contact awakening function is set, the micro monitoring terminal is suitable for sudden task response, the emergency response capability is improved, and remote management, parameter issuing and data synchronization of equipment are realized; the remote interaction capability of the monitoring terminal is effectively improved; according to the method, link sensing and retransmission strategies are combined, delay tolerance and data supplementary transmission capacity are achieved, link abnormity judgment logic is set, uploading tasks are adaptively scheduled according to the link state and the data priority, the transmission reliability is remarkably improved, and meanwhile effective management of the data life cycle is achieved.

The present invention relates to a system for network-on-chip power management. The system comprising a primary network-on-chip comprises multiple components, each component having a power controller, characterized by a secondary network-on-chip comprises a secondary network-on-chip master node and a plurality of secondary network-on-chip nodes connected thereto, the plurality of secondary network-on-chip nodes associated to the components of the primary network-on-chip for power managing individual and link components of the primary network-on-chip, and a power management unit connected to the secondary network-on-chip master node, configured to polling status registers of the components of the primary network-on-chip for accessing power states of each component, accessing routing information of the components of the primary network-on-chip and sending request to the secondary network-on-chip nodes for powering on or off the associated components of the primary network-chip through the power controller. A method for network-on-chip power management is also disclosed herein.

The invention provides an aviation transient electromagnetic constant-amplitude in-phase parallel transmitter system, and the system comprises a power management unit which is used for supplying power; the full-bridge inverter circuit unit comprises a plurality of MOSFET full-bridge inverter modules which are arranged in parallel, each MOSFET full-bridge inverter module sends out a constant-amplitude in-phase bipolar parallel current pulse to a transmitting load connected with the MOSFET full-bridge inverter module, so that each transmitting load generates a constant-amplitude in-phase electromagnetic field, and the constant-amplitude in-phase electromagnetic fields are superposed and jointly act on a to-be-detected target; the active self-adaptive voltage-adjustable double-clamping unit is connected with the full-bridge inverter circuit unit and is used for clamping the rising edge and the falling edge of each sub-pulse in the equal-amplitude in-phase bipolar parallel current pulse; the control unit is used for generating a PWM (Pulse Width Modulation) sequential logic control signal to control the full-bridge inverter circuit unit, so that each MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) full-bridge inverter module outputs a constant-amplitude in-phase bipolar parallel current pulse; and the detection unit is used for detecting the emission current, the clamping current and the clamping voltage respectively and feeding back detection results to the control unit.

The invention discloses an unmanned aerial vehicle formation communication system based on a LoRa technology and a method thereof. The communication system comprises a ground control unit, a main control processing unit, a sensing array unit, a power supply management unit and a mobile communication unit. The ground control unit generates a formation flight scheme, and the main control processing unit fuses RTK positioning data to generate a dynamic control instruction; the mobile communication unit constructs a radio data transmission module based on a LoRa technology, supports dynamic switching between an ESP-NOW broadcast mode and a TCP transparent transmission mode, and realizes low-delay instruction transmission and low-power-consumption data interaction. The sensing array unit integrates an RTK positioning module and an inertial measurement unit, monitors the state of the unmanned aerial vehicle in real time, and ensures that the formation spacing error is less than 10cm. Through long-distance low-power-consumption communication and power and frequency band dynamic optimization of the LoRa technology, in combination with high-precision positioning and anti-interference spread spectrum modulation, large-scale formation synchronization efficiency and flight stability are remarkably improved, and the method is suitable for scenes such as agriculture, rescue and cluster performance and has the advantages of low cost and high reliability.

The invention discloses a dormancy awakening method of a vehicle-mounted host system, the vehicle-mounted host system and a vehicle. The method is applied to a vehicle-mounted host system comprising a host and a power management unit, and comprises the following steps: the host sends a first control instruction to the power management unit in response to a sleep request, and controls the host to enter a first low-power-consumption mode so as to maintain an output state of at least one control port in the first low-power-consumption mode; the power management unit responds to the first control instruction, controls the power management unit to enter a second low-power-consumption mode, and maintains power supply to the host in the second low-power-consumption mode; the host responds to the wake-up event, quits the first low-power-consumption mode and sends a second control instruction to the power management unit; and the power management unit responds to the second control instruction, quits the second low-power-consumption mode and recovers to the normal working state. Through cooperative control of the host and the power management unit, the vehicle-mounted host system achieves optimal balance among power consumption, function keeping and awakening speed.

The invention relates to the technical field of integrated circuit power supply, in particular to a modular multi-stage distributed power supply architecture and method for a whole wafer computing system, the architecture comprises a computing wafer, a power supply module, a bearing substrate and an integrated heat dissipation system, the computing wafer is integrated with various computing units with different voltage requirements, and the power supply module is connected with the integrated heat dissipation system. The power supply module is integrated with the computing wafer through a high-density interconnection interface, a multi-stage power supply topology is adopted in the power supply module, the power supply module comprises a first-stage central power management unit, a second-stage distributed voltage regulation unit array, a high-density embedded capacitor array and a global multi-domain power management integrated circuit, and the bearing substrate is used for bearing related parts. The integrated heat dissipation system carries out differential heat dissipation according to different heat dissipation densities. According to the invention, global optimization of power supply efficiency, precision and thermal management can be realized, and the complex power supply problem of the whole wafer system can be effectively solved.

The invention discloses a car coupler state detection and execution control circuit and a car coupler automatic picking and hanging system and method, and relates to the technical field of railway vehicle automation control, and the car coupler state detection and execution control circuit comprises a state detection unit which comprises a plurality of non-contact sensors arranged at different detection positions of a car coupler; the safety execution unit comprises a 2oo2 interlocking structure formed by a first relay and a second relay which are connected in series, a through-type Hall current sensor arranged on a main loop between the first relay and the second relay, and a third relay for controlling the extension and retraction directions of an electric push rod; the power supply management unit comprises a 24VDC power supply input terminal, a fuse, a reverse connection protection diode and a surge suppression TVS (Transient Voltage Suppressor) tube; wherein the output end of the state detection unit is connected to the input port of the controller, and the output port of the controller is connected to the control end of the safety execution unit. The safety of the system is improved through a hardware-level redundant architecture, and the reliability of coupler state detection is improved through multi-sensor fusion.

The invention provides a solar energy-radio frequency energy dual-driven low-altitude polarization switching dynamic power management system, and relates to the technical field of low-altitude flight. The system integrates a high-efficiency solar energy collection unit and a radio frequency energy collection unit with dynamic polarization adaptive switching capability, is assisted by a high-performance hybrid energy storage unit, and carries out unified coordination control through an intelligent power management unit. The radio frequency energy collection unit adopts a reconfigurable antenna technology, can sense the polarization characteristic of an environment radio frequency signal in real time, and dynamically switches the polarization state of an antenna to maximize the instantaneous energy capture efficiency; the intelligent power management unit executes a dynamic and collaborative energy flow scheduling strategy based on comprehensive analysis of solar irradiance, environment radio frequency spectrum and polarization characteristics, energy storage unit state, future energy income and expenditure prediction and real-time load demand; and the energy self-sustaining capability, the task endurance time and the working stability of low-altitude equipment in a complex and changeable environment are improved.

A set of audio headphones operatively coupled to an information handling system includes a digital signal processor (DSP), a headphone power management unit (PMU) to provide power to the DSP, a first ear cup with a first speaker and a second ear cup with a second speaker operatively coupled to each other via a headband, and a mouth privacy cover operatively coupled to the first ear cup at a first end of the mouth privacy cover and operatively coupled to the second ear cup at a second end of the mouth privacy cover, the mouth privacy cover having a microphone built into the mouth privacy cover and operatively coupled to the DSP via a cover receiver with electrical contacts formed on the mouth privacy cover and interfacing with ear cup contact pads formed on at least one of the first ear cup and second ear cup.