Contracts Group, Bldg 588, Mail Stop 32, Naval Air Warfare Center Aircraft Division, Patuxent River, MD 20670-5304

70 -- CAMAC (IEEE STANDARD 583)32 CHANNEL DATA MANAGEMENT SYSTEM SOL N00421-97-R-1299 DUE 052097 POC Bill Jones, Contract Specialist, (301) 342-1825 X153 The Aerodynamic Test Facility, at the Naval Air Warfare Center Aircraft Division, Patuxent River, MD (Code 4.3.2.1)has a requirement for an Unsteady Data Aerodynamic Measurement System consisting of a CAMAC (IEEE 583) standard data system which is capable of simultaneously acquiring 32 analog channels, amplify, filter, trigger, digitize at 100K samples/sec (no multiplexing), temporally store on dynamic RAM, and transfer to a computer system for data analysis, control and storage. This acquisition is unrestricted and is not Set Aside for Small Business. 1.0 Introduction The Facility has a subsonic open return wind tunnel with a 4ft x 4ft test section. The Facility can measure unsteady surface pressures and forces on a model, and the flow field around a model with a hot wire anemometer. The output signal from the measurement systems range from millivolts to 10 Volts. Current facility instrumentation can acquire high frequency data or digitize multiple channels simultaneously. 3.0 Task Description/ Specifications////3.1 The contractor shall integrate a CAMAC (IEEE 583) standard data system which contains a combination of modules which provide 32 channels of differential amplifiers/filters, trigger generator with 4 channels, 32 digitizer channels, 96 Mega samples of dynamic RAM memory, crate controller/computer interface(s), crate(s) to mount above modules, standard 19 inch rack to mount crates, 32 channel differential BNC analog interface panel, computer/ software system to control data system, store data, retrieve data, and view/analysis data, and all necessary cables and connectors to interconnect the above equipment. Due to the large amounts of data being collected (96 million samples per event and 25 events) for a given test the use of a UNIX based computer is required. 3.2 The differential amplifier/filter shall meet or exceed the following requirements: 3.2.1 Input: Differential 3.2.2 Common Mode Rejection Ratio: 200dB @x1000 gain (dc to 100 Hz) 3.2.3 Common Mode Voltage: 10 Volts 3.2.4 Input Impedance: 20 MW 3.2.5 Full Scale Range: 200mV tp 10V 3.2.6 Gains: 3.2.6.1 Pre-Filter: x1 to x1000 Attenuator/ Amplifier 3.2.6.2 Post-Filter: x1 to x50 Amplifier 3.2.6.3 Accuracy: 1.0% of full scale 3.2.6.4 Stability: 0.8% of full scale within 10 C to 40 C range 3.2.7 Offset: Programmable adjustment to zero 3.2.8 Protection: 20 V dc + peak ac 3.2.9 Packaging: Modular 3.2.10 Channels: 32 3.2.11 Filter: 3.2.11.1 Type: Bessel 8 pole and Butterworth 8 pole, Program delectable 3.2.11.2 Cut-off Frequency: Butterworth: 10 Hz to 100 kHz, Bessel: 10 Hz to 50 kHz, Program delectable with a resolution 200 steps per decade 3.2.11.3 Interchannel Phase Shift: 1 3.2.12 Settings: Independent for each channel Computer programmable 3.2.13 Connectors: 3.2.13.1 Front Panel: Input and output: LEMO type 3.2.13.2 Rear Panel: 40 pin with each channel's output programmable to a selected pin 3.2.14 Calibration Signal: A calibration signal source of at least 0.1% accuracy shall be programmable and connectable to each channel's input. Calibration signal amplitude shall be programmable in 4096 steps 3.3 Digitizers (Analog to Digital Converters) shall meet or exceed the following requirements: 3.3.1 Input: Differential 3.3.2 Common Mode Rejection Ratio: 80dB 0-100 Hz 3.3.3 Input Impedance: 100 kW 3.3.4 Full Scale Volts: 10 V 3.3.5 Resolution:0.006% Full Scale (14 bits) 3.3.6 Channels: 32 3.3.7 Packaging: Modular 3.3.8 Sampling Rate: Programmable from 10 samples/sec/ch to 100 kilosamples/sec/ch in at least 12 steps 3.3.9 Real Time Sampling: Sampling rate must be able to switch from one programmed rate to a different programmed rate either on receipt of an external pulse or automatically on receipt of a recording trigger 3.3.10 Pre- and Post-Trigger: Record length shall be programmable and dividable into pre- and post- trigger segments with a resolution of at least 1/8th of the record length 3.3.11 Record Length: 3 megasamples/ch, expandable to at least 64 megasamples/ch 3.3.12 Frequency Response:100 kHz 3dB 3.3.13 Aperture Jitter: < 100 ps 3.3.14 Analog to Digital Converters:1/ch; not multiplexed 3.3.15 Channel to Channel Skew: 15 ns 3.4 Triggering shall meet or exceed the following requirements: 3.4.1 Sources: Must accept trigger signals from at least 4 independent sources 3.4.2 Trigger Generation: Must be able to generate a trigger pulse from each source independently 3.4.3 Mode: Level/Slope and Window with 2 independently programmable thresholds 3.4.4 Trigger Qualification: From 2 to 4 channels must be programmable with AND, OR or AND/OR logic qualifiers 3.4.5 Output Pulse: Must be programmable with over a range of at least 6 m sec to 1.5 msec 3.4.6 Packaging: Modular 3.5 Dynamic RAM Memory shall meet or exceed the following requirements: 3.5.1 Packaging: Modular 3.5.2 Memory/Module: 32 Msamples 3.5.3 Total Memory: 96 Msamples 3.6 Crates shall meet or exceed the following requirements: 3.6.1 Standard: CAMAC (IEEE 583) 3.6.2 Slots: 25 3.6.3 Fans: 6 Fans 3.6.4 Max Amps: 85 Amps 3.6.5 Empty Slot Covers: Any empty slots shall have removable covers 3.7 Computer System shall meet or exceed the following requirements: 3.7.1 PC System: A computer/ software system to control the data system, retrieve data, and view/analysis data shall be supplied. A IBM compatible computer shall be supplied with a 200 MHz MMX Pentium Processor, 2 Meg Video, a minimum of 64 Mega Bytes of ram, L1 & L2 Cache, two 2.1 Mega Byte hard drives, one internal CD reader 12x, one internal Iomega Jaz drive, Adaptec PCI SCSI Adapter, one 20 inch monitor, 33.6 modem with reachout software, 3-Com 10/100 PCI Ethernet Card. The IBM compatible PC needs to be able to transfer data, with a through put of 100Mbyte or greater, to a Silicon Graphics Inc. (SGI) Octane Personal Video Power Desktop Workstation. Chameleon MSF (or comparable software) shall be used to change PC binary files to UNIX binary files. 3.7.2 UNIX System SGI Octane/SI R1000, 175 MHz /1MB cache, 128MB base memory, 128MB memory upgrade, 4GB system disk, Internal 3.5" 9GB (formatted) Ultra SCSI hard drive, Internal 4mm digital audio tape drive with 4GB capacity for OCTANE, external 12x CD ROM SCSI drive for OCTANE, 20" multi-scan tiltswivel color monitor, OCTANE personal video-NTE card, MIPSpro C++ (-n32 and 64) compiler for IRIX 6.2- all 6.4, ISIS Development Option with MIPSpro 7, C, complib (-n32 & -64) for IRIX 6.2- all 6.4 systems, CD-ROM update media requirement, support folio. Matlab with signal processing, statistics, and image processing modules for a single user CPU locked license shall be supplied for 2 users in a floating network. Chameleon MSF (or comparable software) shall be supplied to change PC binary files to UNIX binary files. 3.7.3 Crate Controller and Dataway Display shall meet or exceed the following requirements: A crate controller for each crate shall be able to communicate and transfer data between the CAMAC equipment and the PC controlling and acquiring the data. The crate controller/PC DMA card shall be capable of transferring data between each other up to 900 Kbytes per second. The crate controller shallbe capable of being programmed by the data system application software and Microsoft BASIC, FORTRAN, PASCAL, and C. The DMA card shall be IBM AT compatible including EISA based machines. 3.8 PC Based Application Software: 3.8.1 Operating System: Must operate under Window 95 3.8.2 Setup: Must be able to set all control parameters of all instrumentation to their pre-programmed condition upon receipt of singe SETUP command 3.8.3 Calibration: Must be able to zero the amplifier offset and check the accuracy of all data acquisition system (DAS) channels upon receipt of a single command, and to report marginal and below limit conditions. Checks must be completed in not more than 10 seconds per channel. 3.8.4 Data Handling: Digitized data must be graphically viewable, processed, archived, and retrieved on command. The system shall be self documenting; a complete history of the system's operation during a measurement shall be automatically logged and stored with the measurements data record. Stored raw data records shall not be alterable. 3.8.5 Region of Interest It shall be possible to select a region-of-interest within a data record and to then perform the operations on it that are possible to perform on the entire record. 3.8.6 Data storage and Format Data shall be stored in a proprietary compressed binary, or PC binary format to save disk space. However, a module must be supplied to convert any compressed binary or binary data to ASCII and Matlab format. Conversion to an excel or lotus 123 spread sheet formats is optional .3.9 The contractor shall supply all the necessary cables, differential BNC connector interface panel, rack, and connectors. 3.10 Contractor shall supply any assembly instructions and drawings, all hardware instruction manuals, all computer/software system instruction manuals. 3.11 Contractor shall not start integrating unsteady measurement system until NAWC AD Code 4.3.2.1 has agreed to the system integration plan/design. 3.12 The rack containing the crates and interface panel shall be located nextto the wind tunnel. The PC computer system shall be 35 feet from the rack in the control room. If 35 feet between the PC system and CAMAC rack is to long the PC system may be located with the rack. However, the keyboard and monitor need to be located 40 ft from the CAMAC rack. The UNIX computer system will be 35 to 70 feet from the PC computer system. There shall be a direct connection Ethernet connection between the PC and UNIX system. The connection can be done through a secondary PCI 100 Base-TX Ethernet card, hub, or switching system so the UNIX system can still have a Ethernet connection to NAWC AD network. The network connection between the PC and UNIX systems shall be 100 Mega bytes or faster. 3.13 Integrated system shall be demonstrated and shown to work to NAWCAD personnel before it is shipped to Patuxent River. Measurement system shall be assemble, integrated, and shown to work after it arrives at Patuxent t River. The following shall be demonstrated at the contractors plant and at Patuxent River. A 10 kHz sine or complex wave be is represented with at least ten data points per cycle for each channel. The frequency content of a 40 kHz sine or complex wave is accurately represented for each channel. A single wave generator shall be used to provide the signal to all the channels simultaneously. All the channel shall have the same settings so each channel can be compared with each other. Each channel will be compared to each other through by overlaying each channel and doing channel to channel cross correlations. PC/UNIX system shall demonstrate it can take a PC binary file with 245,760 samples per channel and 32 channels transfer it to a UNIX binary file that can be read by Matlab and processed. 4.0 Options 4.1 Timer-counter/spincoder module and integration The module shall be capable of storing digital data from shaft encoders, and be compatible with PC application software. Module needs to meet CAMAC standard. 4.2 Digital input module and integration. Module input shall be 32 bit, 4 Mhz data rate, buffered up to 512 Mbytes, TTL inputs, and compatible with PC application software. The digital input module shall be compatible with digitizers so the status of switch closure can be related to the analog response of a system. If digital input module detects a trigger ward it shall be able to trigger measurement system. Module shall meet the CAMAC standard. 4.3 Sequence control software, 32 channel solid state relay cord and 32 port T/O cord which is compatible with the PC based application software and related integration. 4.4 One year application software maintenance contract. The maintenance contract shall supply updated software that includes all pertinent bug fixes to date, technical assistance about the software functions and operation, and new releases software. If this option is executed, the maintenance contract shall take effect after the PC based application software warranty has run out. 4.5 Contractor shall supply the cost of 10 days of training/support at the contractors plant or at NAWCAD PatuxentRiver, Maryland. Requests for copies of this solicitation should be addressed to Bill Jones (Code 25421D), Contract Specialist, Contracts Competency, Building 588, MS/32, Naval Air Warfare Center Aircraft Division, Patuxent River, MD 20670-5304 by 2:30 P.M. Eastern Daylight Time, April 30, 1997 (301) 432-1825 X153. END OF SYNOPSIS FULL TEXT VERSION. (0099)

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