488 results about "Power Management Unit" patented technology

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 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.

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.

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.

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.

The invention provides a multi-interface test tool and test method applied to an external component of a domain controller. The multi-interface test tool comprises an FPGA (Field Programmable Gate Array) unit, a storage unit, a power management unit, a plurality of component interface units and a debugging interface unit, and each component interface unit can be externally connected with an external component of a domain controller. And the FPGA unit can test the domain controller external component currently connected with each component interface unit by loading the test tool mirror image in the storage unit. According to the invention, testing of various external components of the domain controller can be completed through one testing tool, and parallel testing of multiple components is supported.

A system-on-chip (SoC) includes a first processor including a first performance monitor configured to perform monitoring on a plurality of first performance parameters including first performance parameters. The SoC also includes a power prediction circuit configured to predict a power consumption of the first processor based on count values of the first performance parameters collected by the first performance monitor, and a power management unit configured to manage power supplied to the first processor based on a prediction result of the power prediction circuit.

The invention relates to the technical field of robots, and discloses a robot based on an AI visual quality inspection system, and the robot comprises a robot main body which is provided with a moving structure and an adjustable camera support, carries an industrial camera and a thermal imaging camera module, and is used for synchronously collecting visible light and thermal imaging images; the image preprocessing module is used for enhancing and denoising the image; the multi-modal fusion module is used for realizing image registration and feature fusion; the deep learning processor is used for identifying defect types, positions and confidence; the wireless communication module transmits an identification result to a background in real time; and the power management unit provides stable power support for each module. Defect synchronous identification is realized through multi-mode perception and fusion, the identification precision and adaptability are improved by combining deep learning, stable operation is guaranteed by cooperating with wireless communication real-time result returning and power management, and the intelligent inspection capability of the robot in a complex environment is remarkably enhanced.

A system-on-chip and an operation method of the system-on-chip are provided. The system-on-chip (SoC) includes a first processor including a first performance monitor configured to perform monitoring on a plurality of first performance parameters including the first performance parameters. The SoC further includes a power prediction circuit configured to predict power consumption of the first processor based on a count value of the first performance parameter collected by the first performance monitor; and a power management unit configured to manage power supplied to the first processor based on a prediction result of the power prediction circuit.

The invention provides a wireless mouse low-power-consumption intelligent optimization method based on deep learning, and the method comprises the steps: achieving the real-time collection of the operation state data of a wireless mouse through a multi-sensor fusion technology, building a power consumption prediction model based on a long and short-term memory network, so as to learn the time sequence relation between the user behavior and the mouse power consumption change, based on a prediction result, an intelligent power consumption control strategy optimization model is constructed, an optimal power consumption control strategy is generated through a strategy iterative optimization method in combination with parameter configuration of power management, clock gating, sensor sampling and the like, power consumption control parameters are analyzed, and a control instruction is generated. The CPU dominant frequency of the mouse, the voltage of a power management unit, the sampling rate of a sensor and a peripheral working mode are dynamically adjusted, and a power consumption control strategy is optimized by adopting a negative feedback mechanism. According to the wireless mouse, the energy consumption of the wireless mouse can be effectively reduced, meanwhile, the operation smoothness is guaranteed, and the cruising ability and the user experience are improved.

Systems and methods are provided for analog hardware realization of neural networks. The method incudes obtaining a neural network topology and weights of a trained neural network. The method also includes transforming the neural network topology into an equivalent analog network of analog components. The method also includes computing a weight matrix for the equivalent analog network based on the weights of the trained neural network. Each element of the weight matrix represents a respective connection between analog components of the equivalent analog network. The method also includes generating a schematic model for implementing the equivalent analog network based on the weight matrix, including selecting component parameter values for the analog components.

A peripheral device operatively couplable to an information handling system includes a microcontroller, a storage device, a wireless radio, and a power management unit (PMU) to provide power to the hardware microcontroller, storage device, and wireless radio. The hardware microcontroller executes computer-readable program code of a wireless pairing anti-collision module to determine that a group ID pairing beacon from one of a plurality of competing pairing peripheral devices is not being broadcasted. When no group ID pairing beacon is detected, the hardware microcontroller initiates a pairing process with the information handling system and generates a passcode list for pairing via a hash loop algorithm. The hardware microcontroller transmits to each competing pairing peripheral device an indication that the peripheral device is operating as a gateway peripheral device that controls the timing of the pairing of each of the plurality of competing pairing peripheral devices to the information handling system.

Photovoltaic electric control shutter hollow glass externally connected with a control box comprises a window body, a shutter blind, an electric driving device, a photovoltaic assembly and a receiver, the shutter blind is arranged in the window body, the electric driving device is arranged in an upper frame of the window body and used for driving the shutter blind to complete lifting and overturning, and the electric driving device is electrically connected with the wireless receiver; the receiver comprises a bottom box, a box cover and a main control circuit board, the main control circuit board is provided with a microprocessor, a power management unit, a photovoltaic charging management unit, a motor driving unit, a wireless signal receiving and processing unit, a key unit and an indicator light unit, and the photovoltaic charging management unit is electrically connected with the photovoltaic module; the wireless receiving device is installed in the upper frame of the hollow glass, the control key box which is externally connected and installed in a lower mode is adopted, the appearance of the hollow shutter glass can be neat, the key control box can be disassembled and assembled according to needs to be debugged and operated, the set height of the control key box better conforms to the using habit of a user, and operation is more convenient.

An information handling system may include a processor, a data storage device, a power management unit, a thermo-haptic mouse, including an array of thermoelectric generators of a thermo-haptic module to selectively heat or cool a portion of the thermo-haptic mouse to be felt by a user of the thermo-haptic mouse, and a piezoelectric actuator of the thermo-haptic module to selectively apply a vibration to the portions of the thermo-haptic mouse to be felt by the user of the thermo-haptic mouse, and the processor executing code of a mouse training machine learning system to: receive, as training input, captured images during the execution of a gaming application and provide, as output, image recognition dataset descriptive of recognized game action event environmental data during execution of the gaming application, the image recognition dataset to be used by the processor executing a thermo-haptic feedback model evaluation system to provide thermo-haptic signals to the array of thermoelectric generators and the piezoelectric actuator to provide thermo-haptic feedback commensurate with the game action event environment during game play.

Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.

The utility model provides a testing machine for semiconductor testing, a precision measurement unit, a load board and a signal amplification detection circuit, which are applied to the technical field of semiconductor testing, and are characterized in that an amplification module amplifies output current of a driving channel in a PMU (Power Management Unit); in the detection module, a voltage signal amplified by the amplification module in the driving channel is sampled through a sampling resistor, and a current signal amplified by the amplification module is output to the to-be-tested semiconductor device, so that the driving circuit output by the PMU is amplified based on the amplification detection module; according to the invention, the number of channels can be reduced due to the fact that channels need to be combined during testing, semiconductor testing efficiency can be improved, and the detection precision can be improved due to the fact that the detection module returns signals to the PMU sensing channel for detection.

The invention relates to the technical field of power supplies, and discloses a motor controller driving power supply and a control method, the driving power supply comprises a main controller, a power supply management unit, a plurality of overcurrent protection circuits, an upper bridge driving power supply circuit and a lower bridge driving power supply circuit; wherein the main controller is respectively connected with the power management unit, the plurality of overcurrent protection circuits, the upper bridge driving power supply circuit and the lower bridge driving power supply circuit; the input end of the power management unit is connected with an input power supply, and the output end of the power management unit is respectively connected with the plurality of overcurrent protection circuits; and the output ends of the plurality of overcurrent protection circuits are respectively connected with each bridge arm circuit in the upper bridge driving power supply circuit and the lower bridge driving power supply circuit, so that the main controller controls and outputs a plurality of paths of independent driving power supplies. The motor controller driving power supply is provided with a plurality of paths of independent driving power supplies, so that the upper three-bridge-arm and lower three-bridge-arm six-path driving power supplies of the upper bridge driving power supply circuit and the lower bridge driving power supply circuit independently control power supply and do not interfere with each other.

The invention provides a low-cost storage and calculation integrated intelligent management system applied to a low-orbit commercial micro-nano satellite. The low-cost storage and calculation integrated intelligent management system comprises a ZYNQ core processing unit, a GPU computing power unit, a storage unit 1, a storage unit 2 and an interface unit, the ZYNQ core processing unit is used for real-time data acquisition, low-delay control and hardware-level anti-radiation design, and transmission of data streams on a satellite and scheduling of tasks on the satellite are realized; the power management unit and the GPU computing power unit jointly realize an intelligent power management function and a satellite-borne image processing function; the GPU computing power unit is responsible for executing a complex algorithm task and implementing dynamic optimization design, and is used for responding to a ZYNQ instruction to pre-process satellite data and schedule a computing task; the storage unit 1 and the storage unit 2 are responsible for storing historical data, algorithm model parameters and redundant backups; the storage and calculation integrated intelligent management equipment is low in cost, low in power consumption and high in reliability, and the industrial application barrier of on-orbit real-time intelligent processing of commercial micro-nano satellites is broken through.

The invention discloses an active management and control system and method for a temporary operation site. The system comprises a mobile bearing unit and a portable box body with a roller structure, the portable box body is internally provided with a modular storage cabin body, and the modular storage cabin body at least bears a man-machine interaction unit, a computing power supporting unit, an environment sensing unit, a safety management unit, a communication unit, a power management unit and a mobile inspection unit; the computing power supporting unit is used for carrying out frame extraction on the received image video data, acquiring operators in each frame of image, extracting a set number of key point coordinates from a set object, carrying out space-time diagram construction based on the key point coordinates, carrying out space diagram convolution so as to recognize actions of the operators, carrying out logic judgment on the recognized actions and outputting a result; and determining whether the operation is a violation operation.

This invention relates to the fields of IoT sensing, smart wearable devices, and home safety monitoring, providing a fall detection and intelligent alarm device for elderly people living alone. The device includes a wearable main module, a microcontroller unit, a multi-axis attitude sensing unit, a dual-mode wireless communication unit, a local audible and visual alarm unit, a manual emergency help button, a power management unit, and an offline storage unit. Each functional unit is electrically connected to the microcontroller unit. The device is suitable for rural areas with weak network conditions and features fall detection, emergency help, tiered alarm linkage, and autonomous operation during network and power outages, supporting zero-operation use. It achieves accurate fall recognition, seamless zero-operation use, reliable alarm information transmission, multi-level linkage for rapid rescue, and autonomous operation during network and power outages. It is highly compatible with the usage habits of elderly people living alone and meets the needs of rural areas with weak network conditions and unstable power supply. It can also be integrated into a comprehensive management system for large-scale deployment.

An in-ear earphone includes a digital signal processor (DSP), a speaker operatively coupled to the DSP; an external microphone operatively coupled to the DSP, and an in-ear earphone power management unit (PMU) to provide power to the DSP the speaker, and the external microphone. The in-ear earphone includes an earphone in-ear external sound-permitting tip operatively coupled to the in-ear earphone, the earphone in-ear external sound-permitting tip for insertion into a user's ear canal and including tip channels to allow noise to enter into the user's ear canal. The DSP executes computer-readable program code of a noise cancelling module to cancel, from audio input from the external microphone, sounds external to a user's ear canal.

The invention belongs to the technical field of thermal management and performance regulation and control of a computer hardware system, and particularly discloses a temperature and performance coordinated regulation and control method of an MODT mainboard central processing unit. The entropy production rate of the system is calculated in real time in combination with a thermodynamic entropy production evaluation mechanism, and pre-cooling or advanced frequency reduction pulse type regulation and control are triggered when entropy production exceeds the threshold; meanwhile, a biological rhythm simulation mechanism is introduced, high-frequency and low-frequency alternating periodic oscillation control is carried out on the frequency of the processor in a millisecond-level window, the two mechanisms cooperatively act on the power management unit, and microsecond-level voltage regulation and heat dissipation driving linkage is achieved. According to the technical scheme, on the premise that the hardware cost is not increased, the energy efficiency performance, the transient heat dissipation capacity and the long-term operation reliability of the system under the high dynamic load are improved.

The invention discloses a mobile robot which comprises a working communication unit, an idle communication unit, a power management unit, a robot control server, a robot controller and a motor assembly. The output end of the idle communication unit and the power input end are connected with the power management unit. The power input end of the working communication unit is connected with the power management unit, and the wired data end is connected with the robot controller. And the power management unit is used for quitting the low-power-consumption mode through the trigger signal of the idle communication unit and enabling the whole robot to enter a normal working mode. And the robot control server is in wireless communication connection with the working communication unit. The robot controller is connected with the wired data end of the working communication unit and the power management unit. The motor assembly is connected with the power management unit and the robot controller. The working communication unit is used for high-speed wireless communication during normal working, the idle communication unit is used for low-speed wireless communication during idle working, and the function of a low-power-consumption wireless switch is achieved.

A circuit includes a voltage conversion unit from a power management unit library. The voltage conversion unit comprises a high-voltage domain subunit and a low-voltage domain subunit, wherein multiple high-voltage conversion modules in the high-voltage domain subunit and multiple low-voltage conversion modules in the low-voltage domain subunit are alternately connected to form a ring oscillator. The circuit includes a first control signal generation unit, a first selection output unit, a second control signal generation unit, and a second selection output unit. This invention enables efficient testing of the voltage conversion unit.

The utility model belongs to the technical field of electronic circuits, and particularly relates to a multichannel data acquisition and wireless transmission control system. Comprising a main control unit, a signal amplification unit, a power management unit, a wireless communication unit, an analog-to-digital conversion unit, a relay control unit and a power supply unit. The power supply unit converts an external input power supply into a system working voltage; the power supply management unit is connected with the power supply unit, and distributes and converts the working voltage of the system into a working power supply required by each functional unit; the main control unit is respectively connected with the analog-to-digital conversion unit and the wireless communication unit; the signal amplification unit is connected between the input end of the sensor and the analog-to-digital conversion unit; and the relay control unit is connected with the main control unit and is used for realizing on-off control of external equipment according to a control signal of the main control unit. Through cooperation of AMS1117 and ICL7660, multi-voltage output of + / -2.5 V, 3.3 V and 5V is provided, and requirements of different modules are met. And multi-sensor parallel acquisition is supported, and signal crosstalk is reduced.

The embodiment of the invention provides a telescopic camera device, and the device comprises a telescopic module which comprises a plurality of sections of insulated telescopic rods, and the plurality of sections of insulated telescopic rods are connected through a locking structure; the camera shooting module is configured to obtain a real-time shooting picture of the equipment to be operated and maintained, the camera shooting module is detachably connected with the telescopic module, and a gyroscope is arranged in the camera shooting module, so that the lens angle of the camera shooting module is obtained through the gyroscope; the controller is electrically connected with the camera shooting module and the telescopic module, and is configured to display a real-time shooting picture of the camera shooting module, and control the camera shooting module and the telescopic module based on the real-time shooting picture and the lens angle; the power supply module comprises a battery unit and a power management unit, and the power management unit is configured to manage the battery unit to supply power to the camera module, the controller and the telescopic module. The device is used for solving the problems of insufficient safety protection and low operation and maintenance efficiency of electric power operation and maintenance equipment.

The utility model discloses a simulation test device of an initial velocity measuring device. The simulation test device comprises a main control module, a muzzle flame simulation module and a projectile initial velocity simulation module. A main control module; the system comprises a microprocessor unit MCU, a power supply management unit, a light-emitting tube LED driving unit and a communication interface unit. The MCU comprises a memory and an input unit, the memory stores an operation instruction for the light-emitting tube driving unit, and the MCU initializes the light-emitting tube LED driving unit and the communication interface unit after being powered on; the MCU controls an output signal of the LED driving unit according to the parameter setting of the input unit; the muzzle flame simulation module comprises at least one first light-emitting tube LED display screen; the projectile initial velocity simulation module comprises a plurality of second luminous tube LED display screens; and the display screen receives an output signal of the light-emitting tube LED driving unit and generates a predetermined light-emitting pattern. The simulation test device provided by the utility model is used for performance test during debugging, manufacturing and acceptance in the development process of ammunition training guarantee monitoring equipment.