公开(公告)号：WO2010048594A3

公开(公告)日：2010-07-29

申请号：PCT/US2009061971

申请日：2009-10-23

Applicant: VERSATILE POWER INC ,  HOFFMAN DAVID ,  BRUBAKER DAVID

Inventor： HOFFMAN DAVID ,  BRUBAKER DAVID

IPC: H02N2/00 ,  B06B1/06

CPC classification number: B06B1/0253 ,  B06B2201/76

Abstract: A transducer is optimally driven at or near its resonant frequency by a driver system that adapts to variations and/or changes to the resonant frequency of the transducer due to variations in piezo materials, manufacturing, assembly, component tolerances, and/or operational conditions. The system may include an output controller, a phase track controller, a frequency generator, a drive, circuitry to determine a phase angle between the transducer voltage and transducer current, and circuitry to obtain transducer admittance from the transducer voltage and transducer current.

Abstract translation: 换能器通过驱动器系统以其共振频率或其附近被最佳地驱动，该驱动器系统适应于由于压电材料，制造，组装，部件容差和/或操作条件的变化而导致的换能器的谐振频率的变化和/或变化。 该系统可以包括输出控制器，相位轨迹控制器，频率发生器，驱动器，用于确定换能器电压和换能器电流之间的相位角的电路以及用于从换能器电压和换能器电流获得换能器导纳的电路。

公开(公告)号：CA2740777A1

公开(公告)日：2010-04-29

申请号：CA2740777

申请日：2009-10-23

Applicant: VERSATILE POWER INC

Inventor： HOFFMAN DAVID ,  BRUBAKER DAVID

IPC: H02N2/00 ,  B06B1/06

Abstract: A transducer is optimally driven at or near its resonant frequency by a driver system that adapts to variations and/or changes to the resonant frequency of the transducer due to variations in piezo materials, manufacturing, assembly, component tolerances, and/or operational conditions. The system may include an output controller, a phase track controller, a frequency generator, a drive, circuitry to determine a phase angle between the transducer voltage and transducer current, and circuitry to obtain transducer admittance from the transducer voltage and transducer current.

公开(公告)号：CA2998045A1

公开(公告)日：2018-09-24

申请号：CA2998045

申请日：2018-03-13

Applicant: VERSATILE POWER INC

Inventor： HOFFMAN DAVID

IPC: G05G1/10 ,  H02M1/00

Abstract: A system for controlling power output of a power supply incudes power conversion circuitry, output terminals, and a controller. The controller controls the power conversion circuitry to provide a known current to one or more leads, wherein the one or more leads are shorted at the distal end. The controller measures a voltage drop across the one or more leads shorted at the distal end. The controller stores a parameter determined based on the voltage drop, such as a resistance of the one or more leads. The controller controls the power conversion circuitry to provide a target voltage to the load based on the stored parameter when the one or more leads are not shorted at the load.

公开(公告)号：EP2347500A4

公开(公告)日：2017-09-27

申请号：EP09822821

申请日：2009-10-23

Applicant: VERSATILE POWER INC

Inventor： HOFFMAN DAVID ,  BRUBAKER DAVID

IPC: H02N2/00 ,  B06B1/02 ,  B06B1/06

CPC classification number: B06B1/0253 ,  B06B2201/76

Abstract: A transducer is optimally driven at or near its resonant frequency by a driver system that adapts to variations and/or changes to the resonant frequency of the transducer due to variations in piezo materials, manufacturing, assembly, component tolerances, and/or operational conditions. The system may include an output controller, a phase track controller, a frequency generator, a drive, circuitry to determine a phase angle between the transducer voltage and transducer current, and circuitry to obtain transducer admittance from the transducer voltage and transducer current.

Abstract translation: 换能器通过驱动器系统以其共振频率或其附近被最佳地驱动，该驱动器系统适应于由于压电材料，制造，组装，部件容差和/或操作条件的变化而导致的换能器的谐振频率的变化和/或变化。 该系统可以包括输出控制器，相位轨迹控制器，频率发生器，驱动器，用于确定换能器电压和换能器电流之间的相位角的电路以及用于从换能器电压和换能器电流获得换能器导纳的电路。

公开(公告)号：CA2740777C

公开(公告)日：2017-04-18

申请号：CA2740777

申请日：2009-10-23

Applicant: VERSATILE POWER INC

Inventor： HOFFMAN DAVID ,  BRUBAKER DAVID

IPC: H02N2/00 ,  B06B1/06

Abstract: A transducer is optimally driven at or near its resonant frequency by a driver system that adapts to variations and/or changes to the resonant frequency of the transducer due to variations in piezo materials, manufacturing, assembly, compo-nent tolerances, and/or operational conditions. The system may include an output controller, a phase track controller, a frequency generator, a drive, circuitry to determine a phase angle between the transducer voltage and transducer current, and circuitry to ob-tain transducer admittance from the transducer voltage and transducer current.