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Paul J Carvell

from Campbell, CA
Age ~67
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Also known as:
Paul S Carvell, Jane Carvell
Related to:
Todd M Carvell, 38Karli Wheeler, 30Jane Carvell, 66
Connected to:
Cristina M Carvelli, 39Gary G Carvell, 63Irene F Carvelli, 106Nate Carvell, 65Patricia A Carvelli, 72Peter J Carvelli, 100Steven Carvell, 71Tracy A Carvell, 56Sabrina R Carvens, 55Aleshia A Carver, 34

Paul Carvell Phones & Addresses

  • Campbell, CA
  • Owego, NY
  • 2819 Wild Mountain Rd, Tulsa, OK 74127 (918) 241-2688
  • San Jose, CA

Publications

Us Patents

Methods Of Optimizing Waveforms For Electric Motors

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US Patent:
20220294368, Sep 15, 2022
Filed:
Mar 15, 2022
Appl. No.:
17/695663
Inventors:
- San Jose CA, US
Matthew A. Younkins - Campbell CA, US
Paul Carvell - San Jose CA, US
John M. Fuerst - Campbell CA, US
International Classification:
H02P 6/10
Abstract:
A method of controlling an electric motor includes receiving a duty cycle for the electric motor for delivering a target torque from the electric motor, generating a pulse train, and pulsing the electric motor with the generated pulse train. Generating the pulse train being at least partially based on the received duty cycle. The generated pulse train optimized to improve at least one of noise, vibration, or harshness of the electric motor when compared to a constant pulse frequency.

Pulsed Electric Machine Control

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US Patent:
20210351733, Nov 11, 2021
Filed:
May 5, 2020
Appl. No.:
16/866917
Inventors:
- San Jose CA, US
Paul CARVELL - San Jose CA, US
International Classification:
H02P 23/04
H02P 27/08
Abstract:
A variety of methods, controllers and electric machine systems are described that facilitate pulsed control of electric machines to improve the energy efficiency of the electric machine when conditions warrant. Selected transitions between pulsing output levels are controlled to provide a cubic or higher order transition torque profile. In various implementations, cubic, quintic or higher order transition profiles are use. The use of such transition torque profiles can improve NVH characteristics of the electric machine while providing energy efficient pulse transitions.

Boosted Converter For Pulsed Electric Machine Control

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US Patent:
20210159836, May 27, 2021
Filed:
Feb 3, 2021
Appl. No.:
17/166646
Inventors:
- San Jose CA, US
Adya S. TRIPATHI - San Jose CA, US
Paul CARVELL - San Jose CA, US
International Classification:
H02P 27/08
Abstract:
A boost circuit is arranged to reduce rise and fall times of pulsed power used for pulsed control operation of electric machines. Magnetic energy present in the electric machine at the end of a pulse is extracted by the boost circuit to reduce the pulse fall time. The energy is stored by the boost circuit and then applied at the beginning of a subsequent pulse to reduce the rise time. By reducing rise and fall times compared to not using such a boost circuit, machine efficiency is improved.

Pulsed Electric Machine Control Using Tables

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US Patent:
20210146909, May 20, 2021
Filed:
Nov 20, 2019
Appl. No.:
16/689450
Inventors:
- San Jose CA, US
Paul CARVELL - San Jose CA, US
International Classification:
B60W 10/08
B60W 30/20
H02P 27/08
Abstract:
A variety of methods, controllers and electric machine systems are described for pulse control of electric machines (e.g., electric motors and generators). To improve the energy conversion efficiency of the machine, pulse control involves determining if the machine should operate in a continuous mode or pulse mode, and if the latter, defining a magnitude, duty cycle, and frequency for the pulses. One or more tables, indexing by a wide range of speeds and torque requests, is/are used to define the pulsing frequency or a pulsing frequency pattern.

Boosted Converter For Pulsed Electric Machine Control

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US Patent:
20200212834, Jul 2, 2020
Filed:
Mar 13, 2020
Appl. No.:
16/818570
Inventors:
- San Jose CA, US
Adya S. TRIPATHI - San Jose CA, US
Paul CARVELL - San Jose CA, US
International Classification:
H02P 27/08
Abstract:
A boost circuit is arranged to reduce rise and fall times of pulsed power used for pulsed control operation of electric machines. Magnetic energy present in the electric machine at the end of a pulse is extracted by the boost circuit to reduce the pulse fall time. The energy is stored by the boost circuit and then applied at the beginning of a subsequent pulse to reduce the rise time. By reducing rise and fall times compared to not using such a boost circuit, machine efficiency is improved.

Gate Driver Power Supply

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US Patent:
20200028497, Jan 23, 2020
Filed:
Jul 23, 2018
Appl. No.:
16/042541
Inventors:
- Endicott NY, US
Paul Carvell - Owego NY, US
Assignee:
BAE Systems Controls Inc. - Endicott NY
International Classification:
H03K 3/017
H03K 17/08
Abstract:
A power supply for a gate driver circuit is provided. The power supply is configured to supply a logic voltage, a positive voltage and a negative voltage to the gate driver circuit such that a gated semiconductor driven by the gate driver circuit does not inadvertently turn on. The gate driver power supply is configured such that the logic voltage becomes a steady-state voltage prior to the positive voltage becoming a steady-state voltage and remains above a first voltage value until the positive voltage is less than a second voltage value.

Wikipedia

Kevin Carvell

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Carvell was born in Ephrata, Pennsylvania, the son of Shelby Jean Hutchinson, a factory worker, and Paul W. Carvell, a night watchman. After his parent's divorce at the age of five ...
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Paul J Carvell from Campbell, CA, age ~67 Get Report