G05B11/011

Single-event transient feedback disturbance suppression system
09817371 · 2017-11-14 · ·

A system for suppressing disturbances in a single-event transient susceptible (SET) signal includes an addition function, a subtraction function, an upper slew limiter, a lower slew limiter, and a magnitude limiter. The addition function adds the first offset to the SET susceptible signal to thereby generate an upper bound limit. The subtraction function subtracts the second offset from the SET susceptible signal to thereby generate a lower bound limit. The upper slew limiter limits the rate of change of the upper bound limit to thereby generate a rate limited upper bound limit. The lower slew limiter limits the rate of change of the lower bound limit to thereby generate a rate limited lower bound limit. The magnitude limiter prevents the magnitude of the SET susceptible signal from exceeding the magnitude of the rate limited upper bound limit and the magnitude of the rate limited lower bound limit.

Method for controlling angular speed of a fan by adjusting an integral value based on minimum or maximum output

A method for controlling an angular speed of a fan of a computer system includes obtaining an error value; obtaining an adjusted error value by adjusting the error value using an adjustment constant when an absolute value of the error value is not larger than a predetermined value; obtaining a total output value according to at least the adjusted error value; and controlling the angular speed of the fan according to the total output value. The total output value is positively related to a pulse width modulation value, and the angular speed of the fan increases when the pulse width modulation value increases.

PLANT CONTROL METHOD, PLANT CONTROL DEVICE, PROGRAM, AND PLANT

The plant control method includes the following. Calculating a first reference amount to be supplied for an amount of hydrogen to be supplied to a second production device (40). Making a decision on whether or not the amount of remaining hydrogen in a storage device (20) at the beginning of a subject term falls within a reference range.

Automated scheduling of sensors for directional drilling

A method and system for a rotary steerable system (RSS). The method may comprise performing a tool position calculation from the one or more measurements and creating one or more event flags based at least in part on a location of the RSS in a formation, wherein the one or more event flags are created by an information handling system disposed on a bottom hole assembly. The method may also comprise selecting an algorithm for the tool position calculation based on the one or more event flags. The system may comprise one or more sensors configured to take one or more measurements and an information handling system disposed on a bottom hole assembly.

Automated Scheduling Of Sensors For Directional Drilling

A method and system for a rotary steerable system (RSS). The method may comprise performing a tool position calculation from the one or more measurements and creating one or more event flags based at least in part on a location of the RSS in a formation, wherein the one or more event flags are created by an information handling system disposed on a bottom hole assembly. The method may also comprise selecting an algorithm for the tool position calculation based on the one or more event flags. The system may comprise one or more sensors configured to take one or more measurements and an information handling system disposed on a bottom hole assembly.

PRESSURE DETECTION SIGNAL PROCESSING DEVICE, ENGINE CONTROL SYSTEM, AND PROGRAM
20210341347 · 2021-11-04 · ·

The objective of the present invention is to remove drift of a piezoelectric element and thereby obtain a highly precise pressure detection signal by means of a simple configuration. A pressure detection signal processing device 200 includes: a charge amplifier 210 that accumulates electric charge produced by a piezoelectric element 35 in response to a received pressure and outputs a corresponding voltage signal; drift component extraction units 230 and 240 that extract a drift component of the piezoelectric element 35 by performing differential processing on the voltage signal; and a drift correction unit 250 that generates, based on the extracted drift component, a correction signal for removing the drift component and feeds the correction signal back to an input side of the charge amplifier.

Automated swimming pool heat pump flow rate controller

A flow rate component, such as a bypass valve with a motorized actuator, a variable speed circulation pump, or both, is controlled in realtime by an automatic controlled to regulate water flow rate through a swimming pool heater, such as a heat pump, to optimize heat transfer, minimize energy consumption, and improve life spans of components of the swimming pool circulation, filtering and heating system.

LiDAR mirror control method and device and LiDAR

Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

LIDAR MIRROR CONTROL METHOD AND DEVICE AND LIDAR

Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

Disturbance component identification method and disturbance component identification device
11022958 · 2021-06-01 · ·

Provided is a method for identifying a disturbance component, including: when a vibration frequency included in a position deviation or a synchronization error between a tool axis and a workpiece axis is defined as fd, and a sampling frequency of a sampling period, which is a time from when a tool cuts a single tooth trace on a workpiece until the tool again cuts the same tooth trace, is defined as Fs, determining a frequency Fa of undulation in a tooth trace direction from a formula:
Fa=MIN|fd−N×Fs|, where N is a natural number, calculating a pitch of undulation in the tooth trace direction using the formula and a speed of the tool axis in a feed direction; and when the calculated pitch and a measured value of the pitch match, determining that fd is the disturbance component.