Research for developing a computer-aided spacecraft instrument design methodology is herein proposed in responseto nasa's need for a low cost tool to conduct spacecraft instrument design sensitivity analyses and performance trade-off studies. a completely integrated approach encompassing optics,… More

Research to design and develop a low cost electret hydrophone is proposed here. the main objective of the effort is to develop micro-fabrication techniques to make miniature hydrophones of high quality. a silicon wafer is chemically etched to form a diaphragm. a metal layer is deposited to form an… More

Research to design and develop a low cost inertial grade silicon accelerometer is proposed here. the main objective of the effort is to show that it is possible to build an accelerometer on a single crystal silicon chip, capable of handling mid-course guidance requirements of a missile. a silicon… More

Research to design and develop a doublet piezoelectric hydrophone is proposed here. the main objective of the effort is to develop micro-fabrication techniques to make miniature high quality hydrophones. a silicon wafer is chemically etched, and a layer of silicon oxide is grown to form a diaphragm.… More

Development of an Inertia Measuring Unit (IMD) to be packaged in a strapdown Inertial Navigation System (INS) is proposed. The IMU design is based upon the silicon accelerometers developed by Waddan Systems. A pair of these devices, mounted on inclined webs in a hollow cylindrical rotor with their… More

Development of an Inertial Measurement Unit (IMU) for a low cost miniature gun launchable Inertail Navigation System (INS) to be packaged within a 60 mm projectile is prosed. The IMU sensor cluster design proposed is based upon the inertial silicon sensors produced by Waddan Systems. A pair of the… More

Development of a low-cost six degree of freedom inertial measurement unit on single silicon chip for use in evaluation injury potential of aircraft crew escape systems is proposed. The design is based upon the silicon micromachining technology developed by Waddan Systems. The highly integrated chip… More

Development of novel navigation and inertial measurement concepts for Low Cost Competent Munitions (LCCM) is proposes. The basic concept utilizes two sets of micro silicon inertial instruments for navigation and a set of control effectors for correcting the munition trajectory. The first set of… More

Development of a miniature solid state angular rate sensor is proposed. The proposed sensor is built on a silicon substrate using a three layered polysilicon sputtering process. The fabrication process employs the surface micromachining technology. The sensing element is flutter inertia suspended… More

In Phase I of this program, the research on a Low Cost Modular GPS/INS will be performed. This effort encompasses development of a general computer simulation that can be used for analyzing various GPS/INS mechanizations. A trade-off analysis of the GPS and INS modules will include different types… More

The development of a subminiature instrumentation package utilizing state-of-the-artglobal position system (GPS) and inertial navigation system (INS) technologies toobtain Time Space Position Information (TSPI) is proposed. The package measuring50mmX50mmX25mm consists of three modules. It has a… More

The objective of the program is to develop a subminiature instrumentation package utilizing state-of-the-art global position system (GPS) and inertial navigation system (INS) technologies to obtain Time Space Position Information (TSPI). has begun underthis effort. In Phase I of the program, a… More

Development of a Precision Fiber Optic Gyro (PFOG) is proposed. The precision in the proposed PFOG is obtained by basic design and physical construction. It is a closed loop gyro where instead of measuring the Sagnac phase shift, we drive it zero continuously, thus, this driving effort becomes the… More

Development of an Aircraft Nodal Data Acquisition System (ANDAS) is proposed. The proposed methodology employs the development of a very thin (135m) hybrid microminiature sensor assembly (MSA) incorporating a micro-electro-mechanical-sensor (MEMS) array, a short-haul radio transceiver, a… More

The objective of the program is to develop a Precision Fiber Optic Gyro (PFOG) for the navigational grade inertial measurement units (IMUs) for use in the modern Position Navigation Time (PNT) applications. In Phase I of the program, a conceptual design of the PFOG was developed and its feasibility… More

Development of an Aircraft Nodal Data Acquisition System (ANDAS) based upon the short haul Zigbee networking standard is proposed. It employs a very thin (135 um) hybrid microminiature sensor assembly (MSA) and a host module with USB interface. At several nodes on the aircarft, MSAs are cemented… More

DESCRIPTION (provided by applicant): Explosions in United States coal mines resulting due to ignition of methane pose a significant hazard. Detecting methane is of special relevance in many industrial and safety applications. To address this occupational safety concern Waddan Systems will develop a… More