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公开(公告)号：US12116033B2
公开(公告)日：2024-10-15
申请号：US17511665
申请日：2021-10-27
CPC分类号： B62B5/0043 , B62B3/001 , B62B5/0069 , B65D19/42 , G01B7/026 , G01B21/22 , G01P3/00 , B65D2519/00781
摘要： An electronic pallet (e-pallet) includes a superstructure mounted to a wheeled base platform. A tether device defines an articulation angle with respect to a leading edge of the superstructure, and is grasped by an operator towing the e-pallet. A motor connected to driven road wheels transmits a drive torque to the road wheels responsive to motor control signals, including a desired yaw rate and ground speed. A speed sensor, angle sensor, and length sensor are respectively configured to determine an actual ground speed of the e-pallet, the articulation angle, and a length of the tether device. An electronic controller, in response to the input signals, generates the motor control signals using proportional-integral-derivative (PID) control logic. Coupled lateral and longitudinal dynamics control loops respectively determine the desired yaw rate and ground speed to accommodate for motion of the operator.
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公开(公告)号：US20240329920A1
公开(公告)日：2024-10-03
申请号：US18742324
申请日：2024-06-13
申请人： MAXELL, LTD.
IPC分类号： G06F3/16 , A61B5/00 , A61B5/021 , A61B5/024 , G01C17/28 , G01P3/00 , G06F3/01 , G10L15/22 , G10L25/51 , H04R1/10 , H04R3/00
CPC分类号： G06F3/165 , A61B5/021 , A61B5/02438 , A61B5/6803 , G06F3/012 , G06F3/013 , G10L15/22 , G10L25/51 , H04R1/1008 , H04R1/1041 , H04R3/00 , G01C17/28 , G01P3/00 , G10L2015/223 , H04R2430/01 , H04R2499/15
摘要： The present invention relates to a head-mountable information processing apparatus allowing a user to hear a desired sound even if ambient sound unnecessary for the user is present. An audio input interface includes sound microphones worn in the vicinity of the user's ear, collects the ambient sound that occurs outside the head-mountable information processing apparatus, and converts the ambient sound into an input audio signal. An audio output interface, including headphones, converts a generated output audio signal for output, and emits the audio output toward the user. Based on a volume level of the input audio signal and a volume level of the output audio signal, a controller determines whether or not a state in which the ambient sound is preventing the audio for output from being heard is occurring, and based on a determination result, the controller controls a sound emission operation of the audio output interface.
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公开(公告)号：US12026681B2
公开(公告)日：2024-07-02
申请号：US18330558
申请日：2023-06-07
CPC分类号： G06Q10/20 , G01K3/10 , G01P3/00 , G01R19/0092 , F21V29/60
摘要： The disclosure relates to a life prediction system for a fan of a lamp. The system comprises a fan signal detecting module to detect at least one working parameter of the fan; and a micro control unit to receive the working current signal, the environment temperature signal and the working rotation speed signal of the fan. The detecting module comprises a current detecting unit to detect a working current of the fan and output a working current signal; a temperature detecting unit to detect a working environment temperature of the fan and output an environment temperature signal; and a rotation speed detecting unit to detect and output a working rotation speed signal of the fan. The micro control unit calculates a predicted residual life of the fan based on the received working current signal, the environment temperature signal, the working rotation speed signal, through the life model of the fan.
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4.发明授权公开(公告)号：US12000718B2
公开(公告)日：2024-06-04
申请号：US17360079
申请日：2021-06-28
摘要： A rotation sensor system includes a rotatable target object configured to rotate about a rotational axis in a rotation direction; a first millimeter-wave (mm-wave) metamaterial track coupled to the rotatable target object, where the first mm-wave metamaterial track is arranged around the rotational axis, and where the first mm-wave metamaterial track includes a first array of elementary structures having at least one first characteristic that changes around a perimeter of the first mm-wave metamaterial track; at least one transmitter configured to transmit a first electro-magnetic transmit signal towards the first mm-wave metamaterial track, where the first mm-wave metamaterial track converts the first electro-magnetic transmit signal into a first electro-magnetic receive signal; at least one receiver configured to receive the first electro-magnetic receive signal; and at least one processor configured to determine a rotational parameter of the rotatable target object based on the received first electro-magnetic receive signal.
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公开(公告)号：US20240153322A1
公开(公告)日：2024-05-09
申请号：US18494904
申请日：2023-10-26
发明人： Dinkar NALAWADE , Mehul SHAH , Anish SIVANKUTTY
CPC分类号： G07C5/02 , B60K31/00 , G01D5/14 , G01P3/00 , G07C5/0816 , B60K2031/0091
摘要： A suspension system for a heavy vehicle, the system comprising a control circuitry configured to compare signals on current vertical position obtained from left and right level sensors and determine whether a current difference in vertical position between left and right leaf springs is greater than first threshold value; if determined difference is greater than first threshold value: determine, based on timing information related to signals provided by inertial measurement unit and left and right level sensors, whether the determined difference in vertical position between left and right leaf springs is related in time with signal from inertial measurement unit indicating that the angular velocity of wheel axle is greater than a second threshold; and, if determined difference in vertical position not related in time with signal indicating angular velocity of wheel axle is greater than second threshold, generate alarm signal indicative of detected or possibly detected leaf spring failure.
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公开(公告)号：US20240104820A1
公开(公告)日：2024-03-28
申请号：US18447234
申请日：2023-08-09
申请人： HTC Corporation
发明人： Tzu-Chieh Yu , Chun-Kai Huang
摘要： A tracking system is provided. A head-mounted display device is adapted to be worn on a head of a user and includes: a display displays a virtual world, a first camera obtains a first image, a first processor generates a first tracking result of the user based on the first image, and a first network module. A self-tracking tracker includes: a tracking sensor detects sensor data, a second camera obtains a second image, a second processor generates a self-tracking result based on the sensor data generates a second tracking result based on the second image and the self-tracking result, and a second network module provides the second tracking result to the first network module. The first processor is further configured to update an avatar of the user in the virtual world based on the first tracking result and the second tracking result.
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公开(公告)号：US11906395B2
公开(公告)日：2024-02-20
申请号：US16961890
申请日：2019-02-12
IPC分类号： E21B21/06 , G01M7/02 , B01D33/03 , B01D33/80 , G01L1/22 , G01N15/06 , G01P3/00 , G01P15/18 , E21B49/00
CPC分类号： G01M7/025 , B01D33/0346 , B01D33/804 , E21B21/065 , G01L1/22 , G01N15/06 , G01P3/00 , G01P15/18 , B01D2201/54 , E21B49/005 , G01N2015/0693
摘要： A method includes performing a downhole operation in a borehole; capturing, during the downhole operation, downhole particles and drilling mud at the surface from the borehole into a screen of at least one shaker; shaking the screen to emit vibrations to separate the downhole particles from the drilling mud; defining a vibration limit for a normal operating condition of the at least one shaker; setting a vibration fault threshold based on the vibration limit for the normal operating condition; monitoring, using at least one sensor, the vibrations over time; and determining there is a fault condition for the shaker, in response to the vibrations exceeding the vibration fault threshold.
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公开(公告)号：US11841741B2
公开(公告)日：2023-12-12
申请号：US17244798
申请日：2021-04-29
发明人： Evan Gregory Levine
摘要： A wearable computing device, including a device body, an inertial measurement unit (IMU), and a processor. The processor may receive, from the IMU, a plurality of kinematic measurements collected within a time window. With one or more machine learning models, based at least in part on the kinematic measurements, the processor may compute a current velocity estimate for the wearable computing device at a current timestep and a prior velocity estimate for the wearable computing device at a prior timestep. The processor may compute a current pose estimate and a prior pose estimate based at least in part on the current velocity estimate and the prior velocity estimate, respectively. The processor may compute a composite pose estimate for the wearable computing device at the current timestep based on the current pose estimate and the prior pose estimate. The processor may output the composite pose estimate to a target program.
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公开(公告)号：US20230294769A1
公开(公告)日：2023-09-21
申请号：US18320542
申请日：2023-05-19
发明人： Quazi Farooqi , Darrel Alan Recker
CPC分类号： B62D15/025 , G01P3/00 , G01L3/00 , G07C5/02
摘要： Methods and apparatus to control a torque threshold for hands on/off detection are disclosed. An example steering system includes a steering wheel, a steering shaft operatively coupled to the steering wheel, a rack operatively coupled to the steering shaft, a translational movement of the rack to pivot wheels of a vehicle, a torque sensor operatively coupled to the steering shaft, the torque sensor to measure a torque associated with the steering shaft, an autonomous steering control system to adjust a torque threshold in response to a velocity of the rack satisfying a velocity threshold, and detect a hands off condition in response to the torque satisfying the torque threshold.
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10.发明授权公开(公告)号：US11709179B2
公开(公告)日：2023-07-25
申请号：US17546850
申请日：2021-12-09
发明人： Albert W. Chau , John E. Mercer , Scott Phillips
CPC分类号： G01P15/18 , G01P3/00 , G01P15/00 , G01P15/0888 , B81B2201/0235
摘要： An accelerometer arrangement and method are described for determining accelerations of an inground tool. First and second triaxial accelerometers are supported such that a normal sensing axis of the first triaxial accelerometer is at least generally orthogonal to the normal sensing axis of the second triaxial accelerometer for determining the accelerations along the three orthogonal axes based on a combination of sensing axis outputs from one or both of the triaxial accelerometers. A weaker sensing axis of one triaxial accelerometer can be supported at least approximately normal to a weaker sensing axis of another triaxial accelerometer such that the weaker axes are not used. The triaxial accelerometers can be supported such that one axis of one accelerometer can be redundant with respect to another axis of another accelerometer. One triaxial accelerometer can be mounted on a tilted plane with respect to another triaxial accelerometer.
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