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Eddy Y Ho, Age 57San Gabriel, CA

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Known as:
Ming Eddy Ho
Related to:
Emily H Lin 58 Ikuko Ho 54

Eddy Ho Phones & Addresses

San Gabriel, CA

Chino, CA

Fontana, CA

1037 Monte Verde Dr, Arcadia, CA 91007 (626) 574-7478

San Marino, CA

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Work

Company: Coldwell Banker George Realty Address: 660 W. Huntington Drive, Arcadia, CA 91007 Phones: (626) 462-5666 (Office) (626) 831-1556 (Cell) (626) 628-3850 (Fax)

Interests

Real Estate investment • Residential and Commerical

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Career records & work history

Real Estate Brokers

Eddy Ho Photo 1

Senior Broker Associate

Specialties:
Buyer's Agent, Listing Agent, Consulting, Commercial R.E.
Work:
Coldwell Banker George Realty
660 W. Huntington Drive, Arcadia, CA 91007
(626) 462-5666 (Office), (626) 831-1556 (Cell), (626) 628-3850 (Fax)
Experience:
12 years
Links:
Site
Eddy Ho Photo 2

Eddy Ho, Arcadia CA - Agent

Work:
Coldwell Banker George Realty
Arcadia, CA
(626) 831-1556 (Phone)
Interests:
Real Estate investment
Residential and Commerical
About:
Mr. Eddy Ho has been in real estate investment for the past 20 years. In 2002, he decided to put his past experiences to use by joining a real estate brokerage firm, Coldwell Banker George Realty. He then obtained his Graduate, Realtor Institution (GRI) Designation a few years later. After numerous acquisitions and depositions of retail and income properties, he felt the need to hone his skills and further his education in commercial real estate in order to get a better understanding of the field. In 2008, he received the Designee of Certified Commercial Investment Membership (CCIM) title. CCIM designee is one of the most prestigious titles in commercial field, recognized worldwide. In 2009 he gained even more knowledge when he completed his Emergent Broker Training (EBT) commercial training, a program offered by Coldwell Banker Commercial University. He then finished the Platinum Series of Commercial training in 2010. Also In 2010, He obtained his Short Sales & Foreclosure Resource (SFR) certification. In 2011, He finished and granted a certification for Broker Price Opinion Resource (BPOR). Throughout all this time, Eddy has received numerous awards, including the Presidential Elite Circle award and was the top 1% of 400+ George Realty agents in 2007. He has accumulated a solid understanding and knowledge of the current residential/commercial real estate business and continues to help inform his clients in making wise decisions regarding their real estate investments. At this time, he is dedicating his effort at Atlantic Times Square Residential Sales and Lease in city of Monterey Park, as well as many other real estate projects within Southern California.

Resumes & CV records

Resumes

Eddy Ho Photo 40

Eddy Ho

Publications & IP owners

Us Patents

Current Ripple Reduction By Harmonic Current Regulation

US Patent:
2003009, May 15, 2003
Filed:
Oct 31, 2002
Appl. No.:
10/285186
Inventors:
Eddy Ho - Torrance CA, US
Assignee:
International Rectifier
International Classification:
H02P007/42
US Classification:
318/801000
Abstract:
A method and apparatus for regulating a harmonic current component of an inverter fed motor drive system comprises measuring a phase current of the motor, substantially eliminating the fundamental component of the phase current, demodulating the phase current having the fundamental component substantially eliminated to produce a first current signal and providing the first current signal to a PWM control input of an inverter drive of the inverter fed motor drive system to affect the inverter output voltage by driving a first harmonic current of the motor substantially to zero thereby to achieve harmonic current control. More accurate, estimated motor voltages can also be provided by the system.

Rotor Angle Estimation For Permanent Magnet Synchronous Motor Drive

US Patent:
2003009, May 15, 2003
Filed:
Nov 12, 2002
Appl. No.:
10/294201
Inventors:
Eddy Ho - Torrance CA, US
Assignee:
International Rectifier Corporation
International Classification:
G01B007/30
US Classification:
324/207120, 324/207250
Abstract:
A method of determining a rotor angle in a drive control for a motor, comprising the steps of (a) determining a rotor magnetic flux in the motor; (b) estimating the rotor angle on the basis of the rotor magnetic flux; and (c) correcting the estimated rotor angle on the basis of reactive power input to the motor. Step (a) may include the step of non-ideal integration of stator voltage and current values. Step (b) may include the step of correcting phase errors caused by said non-ideal integration via a PLL circuit with phase compensation (F). Step (c) may include the steps of (1) calculating a first reactive power input value as 1.5*We*(C_Lq*I*I) and a second reactive power input value as 1.5*(Vq*id-Vd*iq); (2) determining a difference between said first and second reactive power input values; and (3) applying said difference to the rotor angle estimated in step (b) to obtain a corrected rotor angle.

Efficiency Optimization Control For Permanent Magnet Motor Drive

US Patent:
2004012, Jul 1, 2004
Filed:
Oct 14, 2003
Appl. No.:
10/684928
Inventors:
Eddy Yin Ho - Torrance CA, US
Assignee:
International Rectifier Corporation
International Classification:
H02P007/36
US Classification:
318/807000, 318/437000
Abstract:
A method and system for modifying an estimated rotor angle for improved efficiency in a PMSM drive system. A module monitors a run command, a torque command, and an estimated speed; and in response thereto, generates an output correction angle for modifying the estimated rotor angle. The output correction angle may be added to the estimated rotor angle. The output correction angle may be generated only for predetermined conditions of said run command, torque command, and speed. In particular, the output correction angle may be generated (1) when the run command is asserted, (2) when the torque command is above a predetermined level, and (3) when variations in the speed are within predetermined limits.

Space Vector Pwm Modulator For Permanent Magnet Motor Drive

US Patent:
2004013, Jul 8, 2004
Filed:
Oct 14, 2003
Appl. No.:
10/684542
Inventors:
Eddy Ho - Torrance CA, US
Assignee:
International Rectifier Corporation
International Classification:
H02M001/12
US Classification:
363/041000
Abstract:
A space vector pulse-width modulator (SVPWM) and a method implemented by the modulator. A precalculation module accepts Ua and Ub modulation indexes and in response thereto, outputs modified Ua and Ub information; a sector finder has a U module which receives the modified Ua information and outputs a U sector; and a Z module which receives the U sector and the modified Ub information and outputs a Z sector. The U sector and the Z sector are 2-phase control signals for implementing 2-phase modulation. For 3-phase modulation, the SVPWM and method further possess an active vectors calculation module and an assign vectors module which receive the modified Ua and Ub information and the U sector, and which calculate active vectors for 3-phase modulation; a zero vector selector which receives the Z sector and calculates zero vectors for 3-phase modulation; and a PWM counter block which receives the active vectors and zero vectors and outputs 3-phase control signals for implementing 3-phase modulation. The SVPWM and method may have a symmetrical PWM mode, an asymmetrical PWM mode, or both. Advantageously there may also be a rescale and overmodulation module which receives duration information corresponding to the vectors and in response thereto, detects the occurrence of overmodulation. Overmodulation may be detected in response to a negative zero vector time. The module may respond to overmodulation by clamping the zero vector time to zero and rescaling the active vector times to fit within the PWM cycle. The rescaling may restrict a voltage vector to stay within hexagonal boundaries on the space vector plane, while preserving voltage phase.

Global Closed Loop Control System With Dv/Dt Control And Emi/Switching Loss Reduction

US Patent:
2004013, Jul 8, 2004
Filed:
Jul 24, 2003
Appl. No.:
10/625958
Inventors:
Eddy Yin Ho - Torrance CA, US
Yong Li - Torrence CA, US
Jun Honda - El Segundo CA, US
David Tam - Manhattan Beach CA, US
Toshio Takahashi - Rancho Palos Verdes CA, US
International Classification:
H02M007/537
US Classification:
363/131000
Abstract:
A motor drive system control provides global closed loop feedback to cooperatively operate system components to adaptively reduce noise and provide noise cancellation feedback. An active EMI filter reduces differential and common mode noise on an input and provides a noise level indication to a system controller. Power switches in both a power converter and power inverter are cooperatively controlled with dynamic dv/dt control to reduce switching noise according to a profile specified by the controller. The dv/dt control is provided as an analog signal to a high voltage IC and codified as a pulse width for a level shifting circuit supplying control signals to the high voltage gate drive. A noise extraction circuit and technique obtain fast noise sampling to permit noise cancellation and adaptive noise reduction.

Start-Up Method And System For Permanent Magnet Synchronous Motor Drive

US Patent:
2004024, Dec 9, 2004
Filed:
Apr 20, 2004
Appl. No.:
10/828873
Inventors:
Eddy Ho - Torrance CA, US
Assignee:
International Rectifier Corporation
International Classification:
G06F019/00
US Classification:
702/106000
Abstract:
A method of determining a rotor angle in a drive control for a motor, comprising the steps of (a) determining a rotor magnetic flux in the motor; (b) estimating the rotor angle on the basis of the rotor magnetic flux; and (c) correcting the estimated rotor angle on the basis of reactive power input to the motor. Step (a) may include the step of non-ideal integration of stator voltage and current values. Step (b) may include the step of correcting phase errors caused by said non-ideal integration via a PLL circuit with phase compensation (F). Step (c) may include the steps of (1) calculating a first reactive power input value as 1.5*We*(C_Lq *I*I) and a second reactive power input value as 1.5*(Vq*id-Vd*iq); (2) determining a difference between said first and second reactive power input values; and (3) applying said difference to the rotor angle estimated in step (b) to obtain a corrected rotor angle. At higher motor frequencies, the estimated rotor angle is based on the rotor magnetic flux. At lower frequencies, it is based on a predetermined motor load model which is used in conjunction with a start-up sequencing logic circuit.

Rotor Angle Estimation For Permanent Magnet Synchronous Motor Drive

US Patent:
2005008, Apr 21, 2005
Filed:
Oct 18, 2004
Appl. No.:
10/967596
Inventors:
Eddy Yin Ho - Torrance CA, US
International Classification:
G01L003/02
US Classification:
073862193
Abstract:
A method of determining a rotor angle in a drive control for a motor, comprising the steps of (a) determining a rotor magnetic flux in the motor; (b) estimating the rotor angle on the basis of the rotor magnetic flux; and (c) correcting the estimated rotor angle on the basis of reactive power input to the motor. Step (a) may include the step of non-ideal integration of stator voltage and current values. Step (b) may include the step of correcting phase errors caused by said non-ideal integration via a PLL circuit with phase compensation (F). Step (c) may include the steps of (1) calculating a first reactive power input value as 1.5*We*(C_Lq *I*I) and a second reactive power input value as 1.5*(Vq*id−Vd*iq); (2) determining a difference between said first and second reactive power input values; and (3) applying said difference to the rotor angle estimated in step (b) to obtain a corrected rotor angle.

Efficiency Optimization Control For Permanent Magnet Motor Drive

US Patent:
2005014, Jul 7, 2005
Filed:
Feb 14, 2005
Appl. No.:
11/057346
Inventors:
Eddy Ho - Torrance CA, US
International Classification:
H02P005/06
US Classification:
318254000
Abstract:
A method and system for modifying an estimated rotor angle for improved efficiency in a PMSM drive system. A module monitors a run command, a torque command, and an estimated speed; and in response thereto, generates an output correction angle for modifying the estimated rotor angle. The output correction angle may be added to the estimated rotor angle. The output correction angle may be generated only for predetermined conditions of said run command, torque command, and speed. In particular, the output correction angle may be generated (1) when the run command is asserted, (2) when the torque command is above a predetermined level, and (3) when variations in the speed are within predetermined limits.

Possible Relatives

Dai L Ho  Dana T Ho  Dang N Ho  Danny C Ho  Dave T Ho  Dieu T Ho  Dinh T Ho  Eddy C White  Eddy M Kim  Eddy R Mendez 

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