359 results about "Current consumption" patented technology

A system and method for detecting anomalies and malicious processes by analyzing current consumption profiles is disclosed. The technique involves generating current consumption profiles that characterize the expected power draw for known software applications operating in various modes on a target device. At runtime, the current being consumed by actively running applications is measured and compared to the total expected current draw determined from the individual profiles. Deviations between the observed and expected consumption indicate potential interference from malware or other unwanted processes. Additionally, current fluctuation profiles are generated to model the characteristic transient current behavior when applications transition between operational modes. By comparing runtime current measurements during state changes to these expected transitional profiles, the system can identify aberrations indicative of background malware triggering during the transitions. The current monitoring approach provides an efficient way to detect anomalous behavior from unwanted processes with minimal overhead.

The invention relates to a control method for an electroplating production line with an optimized PLC program. A multi-dimensional data analysis model is adopted, key parameters such as electroplating time, hanger circulation speed and bath occupation condition are comprehensively considered, and a process time relevance matrix is constructed; self-adaptive rhythm adjustment is carried out in the PLC, and the transmission rhythm is dynamically adjusted to enable circulation among the process nodes to be balanced; a multi-channel data acquisition system is connected to the PLC end, and the temperature, the current density, the voltage fluctuation, the plating solution concentration and the pH value key variables of the plating solution are monitored; a Bayesian optimization algorithm is adopted, electroplating process parameters are calculated based on historical data and real-time data, and an output control value of a PLC is dynamically adjusted; carrying out sampling analysis on the current consumption mode of each electroplating bath by adopting a PLC (Programmable Logic Controller), and establishing a power demand prediction model; current output is distributed through a dynamic power distribution algorithm, so that power consumption is kept in an optimal state; and in combination with a peak load reduction strategy, power supply is optimized in low load.

Vehicle systems and methods are provided for controlling converters of a rechargeable energy storage system (RESS). An exemplary method involves identifying an active subset of converters to supply an expected current consumption for one or more electrical loads supplied by the RESS, configuring droop control settings of active converters based at least in part on the expected current consumption, and configuring reserve converters with respective droop control settings different from the respective droop control settings of the active converters. The droop control settings are configured to achieve a desired distribution of the expected current consumption across the active converters and activate the reserve converters to supply supplemental current in response to transient fluctuations where current demand exceeds the expected current consumption.

The invention discloses a standby power supply automatic switching circuit, an MCU chip and a device, and the circuit comprises a PMOS turn-off voltage selection module, a level shift module, a PMOS switch gating module and an LDO module, the circuit is automatically switched to a standby battery for power supply when an external power supply is powered down, and the circuit is switched back to the external power supply for power supply when the external power supply is recovered. Therefore, the dynamic switching of the standby battery and the external power supply is realized. Besides, on the basis of flexibly switching the power supply mode, the voltage drop characteristic of the input voltage is optimized through a PMOS switch gating module, so that the circuit can still work normally within the wide voltage range of 1.8-3.6 V. Based on a PMOS turn-off voltage selection module, a voltage capable of turning off a PMOS (switch) is selected from an external power supply voltage and a standby battery voltage as a grid voltage, so that an electric leakage phenomenon when the PMOS is turned off is avoided, and the circuit stability is ensured. And extra quiescent current generated when the battery is not gated is avoided, the total current consumption of the battery at normal temperature is ensured to be lower than 5 microamperes, and the power consumption is greatly reduced.

An electroactive lens with raised resistive bridges is disclosed. The resistive bridges can connect many ring electrodes in an electroactive lens with a relatively small number of bus lines. These resistors are typically large to prevent excessive current consumption. Typically, they are placed in the same plane as the ring electrodes, which means that the ring electrodes are further apart or made discontinuous to accommodate the resistors. But further separating the ring electrodes or making them discontinuous degrades the optical quality of the lens. Placing the ring electrodes and resistors on layers separated by an insulator allows the ring electrodes to be closer together and continuous and have a high enough resistance to limit current consumption. It also relaxes the constraints on feature size and placement during processing to make the lens. And because the resistors and electrodes are on different planes, they can be formed of materials with different resistivities.

According to the invention, capacitive load reading can be carried out while current consumption and an increase in stabilization time are suppressed. The imaging device includes: a signal line whose potential changes based on a charge stored in accordance with a current flowing during reading of a signal from a pixel; a signal line transistor electrically connected to the signal line; and a voltage generation unit connected in series to the signal line transistor and capable of generating a voltage higher than 0V. The pixel may include: a photodiode; a transfer transistor that transfers the charge stored in the photodiode to the floating diffusion; a reset transistor that resets the floating diffusion; an amplification transistor that outputs a signal according to the floating-diffused potential; and a selection transistor connected between the amplification transistor and the signal line.

A memory device and an operating method are provided. The apparatus includes a source-side select gate transistor and a drain-side select gate transistor for coupling to a source side and a drain side of a memory hole of a memory cell, respectively. During a read operation, the control member ramps up the word line to a read pass voltage. The control member is configured to delay ramping up a voltage applied to the source-side select gate transistor to a select gate voltage until a selected word line of the word lines and an unselected word line of the word lines ramps up to the read pass voltage for a predetermined time. The control member is further configured to delay ramping up a voltage applied to the drain-side select gate transistor to a select gate voltage until a selected one of the word lines and an unselected one of the word lines are ramped up to different predetermined times after the read pass voltage.

A surgical instrument system including a motor system and a control circuit is disclosed. The motor system includes a motor and a driveline coupleable to the motor and configured to actuate a firing member through a staple firing stroke. The control circuit is coupled to the motor, where during the staple firing stroke the control circuit is configured to monitor a current draw of the motor, and initiate and provide a sequence of oscillating impact signals to the motor based on the monitored current draw of the motor. The oscillating impulse signal includes a pulse amplitude selected based on the monitored current draw and a pulse width based on the monitored current draw.

A power management device for intelligently splitting and controlling a high power outlet is described. The device includes a housing, power input, outlets, power sensor, and a controller. The housing has an internal compartment configured to hold components of the device and an exterior surface. The device has a plurality of outlets on the exterior surface of the housing. Each outlet is configured to connect to an appliance. Each outlet has a power sensor configured to sense current draw and / or power use at the outlet. The controller of the device is contained within the internal compartment of the housing and monitors the usage of each outlet via readings from the power sensors. The controller determines, based on the monitored usage and appliance parameters, one or more outlets to provide current to, and causes current to be provided to the determined outlet(s).

The present embodiments relate to a control device and method for an electric power steering (EPS) system, and an EPS system including the same. A control device according to an embodiment may include a steering controller configured to control a rotation of a motor linked to a steering wheel or a wheel of a vehicle, and a wake-up circuit configured to, in an ignition-off state of a vehicle, wake up the steering controller using a change in current consumption of a motor rotation detection element due to forced rotation of the motor by external force, wherein the steering controller may apply a reaction torque to the motor to suppress the forced rotation of the motor after waking up.

The invention belongs to the field of integrated circuit power supply chip design, and particularly relates to an overshoot and undershoot suppression transient enhancement circuit applied to an LDO (Low Dropout Regulator), which consists of a band-gap reference circuit, an error amplifier, a power tube PMOS (P-channel Metal Oxide Semiconductor) tube MP1, a second-stage amplifier tube NMOS (N-channel Metal Oxide Semiconductor) tube MN1, a resistor R4, a load resistor RL and an on-chip load capacitor CL, the self-adaptive zero point module consists of a resistor R3, a capacitor C1 and an NMOS (N-channel Metal Oxide Semiconductor) tube MN2, the LDO feedback network consists of a resistor R1 and a resistor R2, and the module is used for inhibiting output voltage uprush and downrush. According to the invention, through the upshoot suppression circuit and the undershoot suppression circuit, effective suppression of upshoot and undershoot generated during load sudden change is realized, the recovery time of upshoot and undershoot voltage is shortened, and the upshoot suppression circuit only generates a small amount of quiescent current consumption; the undershoot suppression circuit does not generate extra static consumption under the whole LDO working state due to the effect of the capacitor.

A method of driving the display device can include receiving pixel data of an input image, storing the pixel data in a memory, comparing an amount of change between Nth (N is a natural number) line data and (N+1)th line data stored in the memory with a reference value, sequentially transmitting the Nth line data and the (N+1)th line data to the source driver ICs when the amount of change between the Nth line data and the (N+1)th line data is greater than or equal to the reference value, and cutting off driving power of the source driver ICs when the amount of change between the Nth line data and the (N+1)th line data is less than the reference value. Accordingly, the current consumption can be reduced.

Embodiments of the disclosure provide a system and method of operating a power tool. The method includes measuring a battery current draw, sampling the battery current draw to generate a plurality of battery current samples, calculating an averaged current value by averaging the plurality of battery current samples, and comparing the averaged current value with a predetermined current value. The method also includes determining a number of motor revolutions, comparing the number of motor revolutions to a startup threshold, and determining a cycle is complete and stopping the motor when the number of motor revolutions exceeds the startup threshold and the averaged current value is greater than the predetermined current value.

The invention provides a voltage clamping circuit and a bidirectional level shifter comprising the same, and relates to the field of integrated circuit design. The circuit comprises a first phase inverter, a first transistor and a first diode, the first transistor is an NMOS, the input end of the first phase inverter is connected with an enable end, the power supply end is connected with a first power supply, the output end is connected with the grid electrode and the drain electrode of the first transistor, the source electrode of the first transistor is connected with a second power supply, and the drain electrode is used for outputting low level when the enable end outputs low level. And the anode of the first diode is connected with the substrate of the first transistor, and the cathode of the first diode is connected with a second power supply. By using the circuit of the NMOS transistor and the phase inverter, the stable grid bias voltage can be provided for the NMOS transmission tube, and the bias voltage change caused by power supply fluctuation, temperature change or process deviation can be reduced, so that the stability and the reliability of the circuit are improved; the first diode can avoid current consumption when the enable is turned off.

A vehicle seat air-conditioning device includes: a blower that is included in a seat; at least one of an inlet duct or an outlet duct, the inlet duct being a duct through which air is led to be drawn in from a surface of the seat by the blower, and the outlet duct being a duct through which the air led by the blower is discharged from a surface of the seat; and a controller that is electrically connected to the blower. The blower includes a current detection circuit that detects a current consumption of the blower. The controller determines whether an occupant is sitting on the seat, based on the current consumption detected by the current detection circuit.

The present invention presents a method for quickly transmitting and receiving pen Tx and Rx signals by reconfiguring a CDA column consisting of a large number of CDAs into a CDA column consisting of one CDA, and reducing the time of the process by detecting objects by quick search with the same CDA column, thereby preventing loss of signals that may occur in Tx / Rx with the pen and reducing current consumption.

The invention relates to the field of motors, and discloses a voice coil motor with a magnetic gravity compensation structure, comprising a rotor unit and a stator unit, the stator unit slidably sleeves the rotor unit, the rotor unit comprises a coil assembly, the rotor unit comprises a first gravity compensation magnet and a second gravity compensation magnet, the first gravity compensation magnet and the second gravity compensation magnet are located above and below the coil assembly respectively, the stator unit comprises a stator magnet assembly, the stator magnet assembly comprises an upper surface magnet and a lower surface magnet which are distributed up and down, and the first gravity compensation magnet and the upper surface magnet repel each other. And the second gravity compensation magnet and the lower surface magnet are mutually exclusive to constantly compensate the gravity of the mover unit, so that the mover unit is suspended, the gravity compensation linearity is good, the rigidity is high, the current consumption is reduced, the heating is reduced, the precision error caused by thermal expansion is avoided, the structure is simple and compact, the assembly is convenient, and the production cost is low.

To suppress current consumption of a processor from exceeding an upper limit when each of a plurality of cores variably controls a clock frequency and a power supply voltage.SOLUTION: In a processor comprising a plurality of cores including floating-point units, a frequency / voltage control unit provided corresponding to each core supplies the corresponding core with a clock having a variable frequency and a power-supply voltage having a variable voltage. An instruction issuance control unit provided in each core controls the issuance of floating-point operation instructions to the floating-point unit, and reduces the issuance frequency of floating-point operation instructions to the floating-point unit when the current frequency value is greater than a reference frequency value or when the current power-supply voltage value is greater than a reference power-supply voltage value. This makes it possible to prevent the current consumption of the processor from exceeding an upper limit.SELECTED DRAWING: Figure 2

The invention discloses a charge pump switching tube dynamic substrate bias current leakage prevention method and device, and relates to the technical field of charge pumps, the charge pump switching tube dynamic substrate bias current leakage prevention device comprises an MOS switching tube SW1, an MOS switching tube SW2, an MOS switching tube SW3, an MOS switching tube SW4, an energy storage capacitor Cs1 and a two-time positive voltage charge pump circuit of a non-overlapping clock signal CLKP / CLKN, and the source end or the drain end of the charge pump circuit is periodically switched on or off according to the clock signal. By providing a dynamic bias technology of the substrate of the mos switch, the parasitic pnp / npn triode in the mos switch is ensured not to be positively conducted no matter whether the charge pump is provided with a heavy load or a light load, so that the internal node of the charge pump is prevented from leaking large current to the psub / dnw, the driving capability of the charge pump is enhanced, and the reliability of the charge pump is improved. Moreover, the current consumption of the charge pump is reduced, and the efficiency of the charge pump is improved.

In some implementations, a memory device may receive, from a host device, a host configuration that includes an indication of a set of thermal throttling threshold values, wherein the set of thermal throttling threshold values are from a list of sets of valid thermal throttling threshold values. The memory device may send, to the host device, an indication of a set of maximum current consumption values for the memory device, wherein the set of maximum current consumption values is based on the host configuration. The memory device may apply a thermal throttling based on the host configuration.

The invention relates to the technical field of new energy automobiles, in particular to a low-voltage battery charging method and system, a controller and an automobile. In the silent state of the automobile, a VCU control system accurately closes unnecessary peripherals through a low-power-consumption monitoring mode, only basic power supply of a communication module is maintained, and the power consumption of the VCU control system is reduced; quiescent current consumption is obviously reduced to delay the self-discharge rate of the low-voltage storage battery; when it is detected that the voltage of the low-voltage battery is lower than a threshold value, the system automatically activates the high-voltage power battery to conduct directional charging on the low-voltage system, service life attenuation caused by over-discharge of the low-voltage storage battery is avoided, and it is ensured that a key control module of the vehicle always has basic working electric energy; through sequential control of the preset charging period, excessive energy consumption of the high-voltage battery is prevented while charging sufficiency is guaranteed, dynamic energy balance of the high-voltage-low-voltage battery pack is formed, and the reliability of a new energy automobile in a long-term parking scene and the use convenience of a user are remarkably improved.

A network device includes a plurality of ports, processing circuitry, and control circuitry. The ports are to receive communication traffic from a plurality of processing devices. The processing circuitry is to process the communication traffic received via the ports. The control circuitry is to assess one or more electrical-current consumption values associated with at least the network device, and, depending on the electrical-current consumption values, to control a traffic slew-rate of the communication traffic of at least a port among the ports to remain within a specified slew-rate range, the traffic slew-rate being defined as a rate at which a bandwidth of the communication traffic received via the port changes as a function of time.

A method for changing a bitwidth of an FPGA configuration for an FPGA, the FPGA configuration having a plurality of at least 2n bit-containing data signals with nε and ≥3, and the method having the step: when a threshold of a current consumption and / or a temperature of the FPGA is exceeded and / or a replacement signal is present, replacing k least significant bits of the data signals in each case with a zero with kε and ≥2 during an execution of the FPGA configuration on the FPGA.

Current surge is managed by estimating the current demand based on the actual instructions being executed and then adjusting the clock for the static schedule. For statically scheduled instructions, the compute elements synchronously execute the instructions according to the static schedule. The synchronization is provided by a common clock that is used to clock the instruction execution by the compute elements. As instructions are being executed, their current consumption may be estimated based on the type of instruction. The current consumptions for the instructions executed by the compute elements may be aggregated, providing an estimate of the aggregate current demand. This can then be used to adjust the clock accordingly.

A method switches off an electrical consumer in a vehicle, which is connected to a supply line provided with an electronic switch. The method includes: monitoring a current consumption of the consumer in a monitoring mode with respect to a safety switch-off threshold, and when the switch-off threshold is exceeded or fallen short of, switching off the electronic switch, switching a main monitoring unit from the standby mode to the monitoring mode when an amplitude of a dynamic change of the current consumption of the consumer reaches or exceeds a first threshold value, and monitoring the current consumption of the consumer in the standby mode by an auxiliary monitoring unit, and when the first threshold value is reached or exceeded, triggering the switching of the main monitoring unit from the standby mode to the monitoring mode.

The utility model belongs to the technical field of vacuum drying, and relates to a resonance deflection instrument which comprises a resonance shaft, a lens and a driving assembly, the lens is arranged on the resonance shaft, and the driving assembly is used for driving the resonance shaft so that the resonance shaft can drive the lens to deflect; wherein the driving assembly comprises a shell, a magnet, a coil and a stator, the magnet, the coil and the stator are arranged in the shell, the stator is sleeved with the magnet, the coil is arranged on the magnet, the resonance shaft is connected with the stator, and the resonance shaft is flexibly fixed to the shell through a flexible part. The resonance shaft is flexibly fixed on the shell through the flexible part, the structure is simple and compact, compared with a mechanical matching mode directly adopted in the prior art, the flexible fixing mode can prevent generated resonance from being absorbed by the shell and the stator, resonance can be transmitted to the lens through the resonance shaft, current consumption and heat productivity are reduced, and the service life of the lens is prolonged. The response speed and the deflection frequency of the resonance deflection instrument are remarkably improved, rapid and accurate optical path adjustment can be achieved, and the long-term stability is improved.

To provide a ΔΣ modulator capable of preventing a radiation of an electromagnetic noise, having a narrow occupied bandwidth, a small delay, a small current consumption, a small sampling frequency, and a small bit number, and suppressing deterioration of a sound quality, and provide a ΔΣ modulation method.SOLUTION: A ΔΣ modulator 100 having an integrator 1 and a quantizer 2, is constructed so that a filter formed by the integrator 1 is only acted to a component of a quantizer noise Nq from the quantizer 2. The filter can reduce a sampling frequency and a bit number in the case the filter is a high-order high pass filter, and can prevent a saturation of a fluctuation in a high-frequency band in the high-order high pass filter in addition to the above in the case where the filter is the high-order high pass filter and a high-order low pass filter.SELECTED DRAWING: Figure 1

The application discloses a mover motion control method and device, equipment and storage medium, and relates to the technical field of magnetic suspension. The method comprises the following steps: a mover motion model is established according to Newton's second law; a state space equation is determined according to the mover motion model and preset state variables; the preset state variables comprise the position of the mover and the speed of the mover; the state space equation is subjected to discretization processing to obtain a mover motion model in a discrete space; the mover motion result at each prediction time is determined according to a preset prediction step and the mover motion model in the discrete space; a cost function is determined according to the mover motion result at each prediction time; the cost function is used for representing the position deviation of the mover and / or the current consumption; the cost function is subjected to optimization processing to obtain a current output value, and the mover motion is controlled according to the current output value. Therefore, the technical problem that the control of the motor has relatively low efficiency in the related art can be solved.

This invention proposes a hysteresis compensation control method for high-speed switching valves based on PWM, belonging to the field of high-speed switching valve control. Its key feature is that the working cycle of the high-speed switching valve is divided into four stages. The rising and falling edges of the reference PWM control the opening and closing times of the high-speed switching valve, while the loading signal consists of on-compensation PWM, excitation PWM, opening-hold PWM, and closing compensation PWM. By varying the pressure before the valve, the critical voltage values ​​for opening and closing the valve core are obtained, thereby controlling the amplitudes of the on-compensation PWM and opening-hold PWM to reduce the hysteresis time and current consumption of the valve core response. The duty cycle of the excitation PWM is determined by the derivative of the pressure before the valve, and the duty cycles of the on-compensation PWM and closing compensation PWM are obtained based on the coil current, accelerating the valve core response speed and optimizing current consumption. This invention can improve the response speed of high-speed switching valves, reduce energy consumption, and expand the frequency response range, offering advantages such as high response, low power consumption, low cost, and small footprint.

A sensor, including: a gradiometer including a plurality of magnetoresistors, the gradiometer being configured to generate a sensing signal in response to a magnetic field that is at least in part produced as a result of an electrical current flowing through a conductor; and electronic circuitry configured to detect an electrical current consumption of the gradiometer, compare the electrical current consumption against at least one of a first threshold and a second threshold, and output an indication that the sensor is subject to tampering based on an outcome of the comparison.