DANIEL DEXTER VILLANI
Pilots at Corona Ave, Long Beach, CA

License number

California A2699568

Issued Date

Oct 2016

Expiration Date

Oct 2018

Professional information

Owner At Dv Astronautics Consulting

Position:

Owner at DV Astronautics Consulting

Location:

Greater Los Angeles Area

Industry:

Aviation & Aerospace

Work:

DV Astronautics Consulting - Long Beach, CA since Mar 2013 - Owner Semi Retired Engineer, budding SF author - Home Jul 2012 - Mar 2013 - Retired SpaceX - Hawthorne, CA May 2008 - Jul 2012 - Lead Mission Operations Engineer Boeing Satellite Systems 1975 - 2008 - Associate Technical Fellow

Education:

Princeton University 1983
Ph. D., Aerospace Engineering California Institute of Technology 1965 - 1969
B. S., Physics Escambia County High School 1963 - 1965

Skills:

Spacecraft, Space Systems, Systems Engineering, Aerospace, Satellite, System Design, Engineering Management, Orbital Mechanics, Aerospace Engineering, Propulsion, Requirements Management, Requirements Analysis, Integration, System Testing, Testing, Avionics, System Architecture, Satellite Communications, Engineering

Languages:

Conversational Spanish

Combined Roll-Yaw Spacecraft Steering Method For Low Earth Orbit Target Trajectory Compensation

US Patent:

6288670, Sep 11, 2001

Filed:

Dec 23, 1999

Appl. No.:

9/470701

Inventors:

Daniel D. Villani - Long Beach CA
Harold A. Rosen - Santa Monica CA

Assignee:

Hughes Electronics Corporation - El Segundo CA

International Classification:

H04B 7185

US Classification:

342354

Abstract:

For an antenna on a satellite in an inclined orbit about the Earth, cross-track motion resulting from the rotation of the Earth can be reduced in antenna coordinates by yawing and/or rolling the antenna (preferably by yawing and/or rolling the entire satellite, for example, by using a reaction wheel system) by an appropriate angle, which varies throughout the orbit.

Alignment System For Encoders

US Patent:

4772872, Sep 20, 1988

Filed:

Dec 12, 1986

Appl. No.:

6/940885

Inventors:

Daniel D. Villani - Long Beach CA

Assignee:

Hughes Aircraft Company - Los Angeles CA

International Classification:

H03M 126

US Classification:

341 9

Abstract:

An improved encoder alignment system is disclosed which provides an indication of the extent of misalignment and a measure of the rate at which the misalignment may be changing. The invention is adapted for use with a conventional encoder which provides a digital coarse word having at least significant bit and a digital fine word having a least significant bit and a most significant bit. The invention generates the exclusive or of the least significant bit of the coarse digital signal and the least significant bit of the fine digital signal to provide a first signal. The invention then generates the exclusive or of the first signal and the complement of the most significant bit of the fine digital signal to provide an output signal which represents the misalignment of the encoder.

Magnetic Systems And Methods For Realizing Spacecraft Maneuvers

US Patent:

6089510, Jul 18, 2000

Filed:

Jul 30, 1997

Appl. No.:

8/903109

Inventors:

Daniel D. Villani - Long Beach CA
Peter B. Landecker - Manhattan Beach CA

Assignee:

Hughes Electronics Corporation - El Segundo CA

International Classification:

B64G 132

US Classification:

244166

Abstract:

Spacecraft maneuvers (e. g. , orbit transferring, stationkeeping and attitude controlling) of a first spacecraft are realized with conventional force and torque generators (e. g. , thrusters and momentum wheels). Spacecraft maneuvers of a second spacecraft are realized through magnetic interaction between the first and second spacecraft. In particular, a magnetic moment vector m. sub. 1 of a magnetic system of the first spacecraft and a magnetic moment vector m. sub. 2 of a magnetic system of the second spacecraft are adjusted to apply selected force vectors and torque vectors to the first and second spacecraft.