This article presents a novel and reliable low-cost data acquisition solution for high frequency and real-time applications in vehicular dynamics. Data acquisition systems for highly dynamic systems based on low-cost platforms face different challenges such as a constrained data retrieval rate. Basic data reading functions in these platforms are inefficient and, when used, they limit electronics acquisition rate capabilities. This paper explains a new low-cost, modular and open platform to read different types of sensors at high speed rates. Conventional reading functions are avoided to speed up acquisition rate, but this negatively affects data reliability of the system. To solve this and exploit higher data managing rates, a number of custom secure layers are implemented to secure a reliable acquisition. This paper describes the new low-cost electronics developed for high rate acquisition applications and inspects its performance and robustness against the introduction of an increasing number of sensors connected to the board. In most cases, acquisition rates of the system are duplicated using this new solution.
This paper describes the process and effort started 6 years ago for the definition, design and manufacturing of the new Standard Test System (known as SAMe) for the Spanish MOD. Due to proliferation of different and old Test Systems and obsolescence problems in some of them, the Spanish MOD faced the development of a new Standard able to support past and future weapon systems. This paper outlines the history of this design, based in requirements from different test systems (designed to be compatible with HTE, CASS and GPATE between others) and describes the final SW and HW SAMe architecture. Based on COTS,flexible and open architecture, easy to upgrade, easy maintenance, two different versions for use in the Lab or in the field, integrated Self-Test and Self-Calibration utilities, On-Line documentation are some of the SAMe main features commented in this paper.
The AN/APG65 TPSs (27 TPSs, grouped in 4 OTPSs) are currently running on CASS RF + HPDT. The re-host of these TPSs for SAMe includes a substantial extension of SAMe capabilities, in the areas of RF, High Power and Cooling. Talking just about the RF extension, there were some key decisions during the design phase of the AN/APG65 project. First, a synthetic instrument set was considered more appropriate than a classical set of RF instrumentation. A second key decision was the vendor to provide the synthetic instrumentation set, as two nice options existed in the market by that time. This paper gives some details about the decisions taken during the design process and an overview of the experience up to now with the brand new synthetic instrumentation, when the integration of the TPSs is ongoing.
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