Aircraft fuel system components of a Test Bed prog

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Aircraft fuel system components of a Test Bed program

Software, the form, \set of relevant parameters. software block diagram shown in Figure 6 Chinese Windows development platform widely ----------------------------- J - ----;-- a ------ J line process control of the parent form ... l other applications, a report printing lJ ● ~ I a-L_ J pieces of a data processing ...--~ Jin j I console a child form - a L --------- ~ - ... - a busy store 6 4.3.2.2 Control System Data Acquisition Software Data Acquisition timer from inside 8253 Channel 1] when the interrupt control 16 will trigger. by the ~: Windos t so the message processing time-consuming data collection,[link widoczny dla zalogowanych], asked interval (sampling period) as a beetle flying intelligence Qi fall of 2000, Section l lOres. timer setting that is operating 8253 Channel O. The trigger clock frequency 1_l932MHz such as sample period T, the time constant: timevalue-int (T × 1_l932 × 10) because VB does not support itself, 1 / O directly connected El operations. so the data collection procedures must be added dynamic link library. DLL code is basically divided into three main parts, namely LibMain, SubRortine and WEP. I.ibMain is the DLL entry, SavRortine development is a function of the programmer, WEP is WindowsExitProcedure5 mechanical transmission of the test rig mechanical transmission system is provided for the test speed of power plant components. It consists of the servo motor, coupling and snap ring and so on. test is installed in the test fixture on the test bed system suitable for the mechanical speed is less than l2000r. P.n1. the various models of experimental test, simply replace the appropriate pieces of the spline shaft can be. As for high speed. General Motors is difficult to meet the requirements, it can be used as a power source of high-frequency spindle 6 CABINETS frame and test fixture test bench and test fixture is designed and manufactured. ergonomic requirements bench. central part of the installation of industrial machines,[link widoczny dla zalogowanych], interface boxes and power supplies. the left side of installation of electrical systems. the right side of the hydraulic air-conditioning system installed . bench surface is apple green paint. test fixture of the working platform to the table with a tank-shaped structure, made of stainless steel. to provide speed test pieces and test pieces of the power unit with the work platform placed in the test bed layout test 7 station layout should consider lowering environmental noise; aircraft feather fan comprehensive test ethyl annex the oil feast of the Taiwan side Lei Xuejun - the implementation of fluid, electrical isolation, to improve safety factors; * convenient operation, easy maintenance. Therefore, the test bed proposed by the two small room layout. one for the control room. another for the laboratory. floorplan shown in Figure 9 Figure 9 Figure 7.1 Layout of test rig installed in the test bed for the fuel system accessories test. so it the general characteristics of the existing hydraulic system. have the characteristics of the fuel system itself to improve the accuracy of test results, to extend the life test rig,[link widoczny dla zalogowanych], the installation should note the following: 7.1_1 pressure gauge and pressure change the location into the the measuring point should be as close as possible. At the same time with the pressure gauge pressure transmitter should be the same height; 7.1.2 test bench and test fixture connection between the use of fluorine plastic hoses,[link widoczny dla zalogowanych], to facilitate removal; 7.1_3 test bed rack console taken should be strictly within the electro-hydraulic isolation. anti-fire; 7.1.4 The fuel tank should be grounded. to prevent fires caused by static electricity; 7.1.5 electrical system wiring shall be in strict compliance with safety regulations. l7 information one by one blast to fly in 2000 l-Lo Oil attachment of the aircraft test-bed comprehensive research Cai Xuejun Liu Fang 8 Results of the test stage the Cambodian language has a good theoretical basis and practical applications, products manufactured under this scheme can fully replace imported products, saving foreign exchange (currently imports from the United States about the same type of test rig cost $ 200,000). research and development test bed for this Lou can greatly extend the repair capacity of the aircraft maintenance department