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Accurate Automation Corporation |
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Contact Us 7001 Shallowford Road |
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Advanced Airborne Data Acquisition and Control System (AADACS) Accurate Automation has developed AADACS to facilitate development of control concepts such as neural network based flight control system and mission planning. The AADACS provides a tremendous flexibility in data acquisition and control aspects of the flight tests.
The AADACS hardware consists of major components with a Pentium computer in each component. The base system contains a data acquisition system with 32 analog channels and four serial ports. The serial ports allow data transfer from devices such as inertial measurement unit, GPS receiver, ECU, and serial data transceiver. The data acquisition component prepares the data and forwards the data stream in packets to a Spread Spectrum Transceiver and to the second component of the AADACS. The dedicated hardware allows characterization and generation of PWM signals starting at 12 channels. This feature facilitates integration of the AADACS with COTS radio-control hardware. AADACS features a fiber-optics based signal transmission on-board the aircraft to suppress any electro-magnetic interference in the control signals. The additional component processor of AADACS allows for multi threaded flight control for robust control. It features additional Pentium CPUs for redundant flight controls. All control laws are implemented in software, which allows the system to be easily reconfigured. The data packets from the data acquisition component are made available to the flight computer via a parallel port connection which enables data transfer nearly instantaneously. We have demonstrated the full functionality of the data acquisition component of AADACS using one of its RPV's. |
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