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公开(公告)号：US20240134325A1
公开(公告)日：2024-04-25
申请号：US18308420
申请日：2023-04-27
Inventor： Samuel P. EBENEZER , Eric J. KING , Emmanuel A. MARCHAIS , Jon D. HENDRIX , Mohamed SABET
IPC: G05B13/04 , G01R31/367
CPC classification number: G05B13/042 , G01R31/367
Abstract: A method for intelligently generating a stimulus for use in characterization of parameters of a model of a battery may include dynamically analyzing a current drawn from the battery by a load, based on analysis of the current, determining a sink current for augmenting the current drawn by the load, and generating the sink current based on a determined need to update the parameters.
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2.发明申请公开(公告)号：US20220406152A1
公开(公告)日：2022-12-22
申请号：US17549399
申请日：2021-12-13
Inventor： Dana J. TAIPALE , Jon D. HENDRIX , Emmanuel A. MARCHAIS
IPC: G08B6/00
Abstract: A method may include receiving, by a transducer driving system, a first signal for driving an amplifier that drives an electromagnetic load and receiving, by the transducer driving system, a second signal driven by the amplifier in order to control a feedback loop of the transducer driving system. The method may also include detecting unexpected spectral content in the second signal, declaring an indicator event based on the detected unexpected spectral content, determining whether the indicator event occurs in an undesired pattern, and in response to the indicator event occurring in the undesired pattern, modifying a behavior of the transducer driving system.
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公开(公告)号：US20240136930A1
公开(公告)日：2024-04-25
申请号：US18455253
申请日：2023-08-24
Inventor： Samuel P. EBENEZER , Emmanuel A. MARCHAIS , Eric J. KING , John L. MELANSON
IPC: H02M3/158 , G01R31/374 , G01R31/3842
CPC classification number: H02M3/1582 , G01R31/374 , G01R31/3842
Abstract: A method for intelligently generating a stimulus for use in characterization of parameters of a model of a battery may include dynamically analyzing a current drawn from the battery by a load, based on analysis of the current, determining an augmented current for augmenting the current drawn by the load, and generating the augmented current based on a determined need to update the parameters.
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4.发明公开公开(公告)号：US20240133957A1
公开(公告)日：2024-04-25
申请号：US18308449
申请日：2023-04-27
Inventor： Samuel P. EBENEZER , Emmanuel A. MARCHAIS , Eric J. KING
IPC: G01R31/367 , G01R31/3842 , G01R31/389
CPC classification number: G01R31/367 , G01R31/3842 , G01R31/389
Abstract: A method for estimating equivalent circuit model parameters of a battery may include measuring a battery voltage across terminals of the battery and a battery current drawn from the battery, decomposing the battery voltage and the battery current into a plurality of sub-bands, each sub-band of the plurality of sub-bands based on a time constant that characterizes a temporal behavior of the battery, for each sub-band of the plurality of sub-bands, estimating an equivalent resistance for such sub-band based on a spectral content of the battery voltage and battery current for such sub-band, and estimating an open circuit voltage of the battery based at least on the spectral content of the battery voltage and battery current present in one of the plurality of sub-bands and the equivalent resistances of the plurality of sub-bands.
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公开(公告)号：US20220224127A1
公开(公告)日：2022-07-14
申请号：US17466478
申请日：2021-09-03
Inventor： Emmanuel A. MARCHAIS , James M. NOHRDEN , John L. MELANSON
IPC: H02J7/00
Abstract: A two-cell battery management system may include a switching network comprising a plurality of switches configured to electrically couple two battery cells to one another and a first load configured to receive electrical energy from the two battery cells and control circuitry configured to dynamically control the switching network among a plurality of switching configurations comprising a first switching configuration in which the first load is in parallel with both of the two battery cells, a second switching configuration in which the first load is in parallel with a first battery cell of the two battery cells and is electrically isolated from a second battery cell of the two battery cells, and a third switching configuration in which the first load is in parallel with the second battery cell and is electrically isolated from the first battery cell.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230336013A1
公开(公告)日：2023-10-19
申请号：US18295530
申请日：2023-04-04
Inventor： Emmanuel A. MARCHAIS , Eric J. KING , John L. MELANSON
IPC: G01R31/367 , G01R31/389 , H02J7/00
CPC classification number: H02J7/0068 , G01R31/367 , G01R31/389
Abstract: A method of adapting a battery charging profile of a battery may include monitoring one or more parameters associated with the battery during normal operation of a device powered from the battery and while the battery is simultaneously charged by a charger and is discharged by a dynamic system load of the device, determining an impedance of the battery based on the one or more parameters, determining a condition of the battery based on the impedance and the one or more parameters, and adapting the battery charging profile based on the condition.
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公开(公告)号：US20230237886A1
公开(公告)日：2023-07-27
申请号：US18080900
申请日：2022-12-14
Inventor： Marco A. JANKO , Filippo ROSSI , Hamid SEPEHR , Kyle WILKINSON , Emmanuel A. MARCHAIS , Vadim KONRADI , Anil LAL , Aleksey S. KHENKIN , Chin Huang YONG
IPC: G08B6/00
CPC classification number: G08B6/00
Abstract: A method for determining and mitigating over-excursion of an internal mass of an electromechanical transducer may include measuring a sensed signal associated with the electromechanical transducer in response to a driving signal driven to the electromechanical transducer, determining a non-linearity value based on the sensed signal, mapping the non-linearity value to a probability of over-excursion of the internal mass, and applying a gain to a signal path configured to generate the driving signal based on the probability.
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公开(公告)号：US20220408181A1
公开(公告)日：2022-12-22
申请号：US17572769
申请日：2022-01-11
Inventor： Jon D. HENDRIX , Emmanuel A. MARCHAIS , Nicholas JOSEPH , Bryant TRAN , Marco A. JANKO , Noel PREECS
Abstract: In accordance with embodiments of the present disclosure, a method of driving a playback waveform to an electromagnetic actuator by a transducer driving system may include operating the transducer driving system in a first mode wherein the electromagnetic actuator is driven with the playback waveform in a closed loop to form a closed-loop voltage drive system that includes a negative impedance, operating the transducer driving system in a second mode wherein the electromechanical actuator is driven with the playback waveform in an open loop, and operating a mode switch for transitioning the transducer driving system to operate between the first mode and the second mode.
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公开(公告)号：US20220404398A1
公开(公告)日：2022-12-22
申请号：US17574188
申请日：2022-01-12
Inventor： Jorge L. REYNAGA , Marco A. JANKO , Emmanuel A. MARCHAIS , John L. MELANSON
Abstract: A method for estimating actuator parameters for an actuator, in-situ and in real-time, may include driving the actuator with a test signal imperceptible to a user of a device comprising the actuator during real-time operation of the device, measuring a voltage and a current associated with the actuator and caused by the test signal, determining one or more parameters of the actuator based on the voltage and the current, determining an actuator type of the actuator based on the one or more parameters, and controlling a playback signal to the actuator based on the actuator type.
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公开(公告)号：US20220359113A1
公开(公告)日：2022-11-10
申请号：US17568248
申请日：2022-01-04
Inventor： Emmanuel A. MARCHAIS , Tejasvi DAS , Siddharth MARU
IPC: H01F7/18
Abstract: A system may include an electromagnetic actuator, a first coil configured to drive mechanical displacement of the electromagnetic actuator, a second coil configured to drive mechanical displacement of the electromagnetic actuator, and an inductance sensing subsystem having an inductance sensing path coupled to the first coil and the second coil. The inductance sensing subsystem may be configured to select one of the first coil and the second coil for driving mechanical displacement of the electromagnetic actuator, select the other of the first coil and the second coil as a sensing coil for sensing displacement of the electromagnetic actuator, determine a displacement of the electromagnetic actuator based on a measurement of estimated inductance of the sensing coil, and when switching selection of the sensing coil from the first coil to the second coil determine the displacement of the first coil based on a measured inductance of the first coil at approximately the time of switching selection, estimate state variables of the inductance sensing path to be used with the second coil based on the displacement, and apply the state variables to the inductance sensing path after switching selection of the sensing coil from the first coil to the second coil.
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