16--MAI-100 MINIATURE ATTITUDE DETERMINATION AND CONTROL SYSTEM

NASA/GSFC has a requirement for one MAI-100 Miniature Attitude Determination andControl System. A complete attitude determination and control system is needed to satisfymultiple project requirements. The system must contain 3 reaction wheels.(1) Eachreaction wheel must be capable of producing at least 0.5 mNm torque. Each reaction wheelmust be capable of storing up to 1.0 mNms momentum. (2) The system must contain 3magnetic torquer bars. Each torquer bar must be capable of a dipole of at least 0.1A-m2. (3) The system must contain three axis magnetometer. (4) The system must containa controller with software on board to estimate attitude based on sensor inputs andcommand the reaction wheels and magnetic torquer bars to maintain attitude control. (5)The system must be bigger than 4" x 4" x 4". (6) The system must weigh less than 1 kg. (7) The system must use less than 5W. (8) The system must use either 3.3, 5 or 12 Vdcfor power. (9) The system must communicate via asynchronous RS-232 or RS-422 interface. NASA/GSFC intends to purchase the items from Maryland Aerospace, Inc. of Crofton, MD inaccordance with 6.302-1(a)(1) 10 U.S.C. 2304(c)(1) - only one responsible source and noother supplies or services will satisfy agency requirements. Maryland Aerospace, Inc. isa manufacturer of miniature attitude determination and control systems for mini, microand nano satellites and this company is the only known vendor of a miniature attitudedetermination and control system for nano satellite class that includes magnetic torquerbars and a controller. Other manufacturers cannot provide a full package ACS capable of3-axis stabilization of a nano satellite. The Government intends to acquire a commercial item using FAR Part 12. Interested organizations may submit their capabilities and qualifications to perform theeffort in writing to the identified point of contact not later than 4:30 p.m. local timeon November 19, 2010. Such capabilities/qualifications will be evaluated solely for thepurpose of determining whether or not to conduct this procurement on a competitive basis. A determination by the Government not to compete this proposed effort on a full and opencompetition basis, based upon responses to this notice, is solely within the discretionof the government.Oral communications are not acceptable in response to this notice.An Ombudsman has been appointed. See NASA Specific Note "B".