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xp075287

Simulation of induction motor working principle of the production of courseware

Broadcast within the time sequence were associated with a series of pictures, so that viewers feel the effects of picture content moving principle of the courseware based on animation of the specific methods are: ① the current formula based on three-phase current: L: LsinCOt ,[link widoczny dla zalogowanych], = Lsin (COt-120 ~), points = /. sin (COt a 240.) delineate one by one full cycle every time the three-phase current waveform, and using savepieture () function, save the file. The process by preparing a separate program to complete. ② PHOTOSHOP in ALrFOCAD and drawing and three-phase current in the synthesis of the corresponding changes in the magnetic field map and the winding rotor synchronous changes in map rotation, and ③ Save bmp file format to create a picture object array, installed in the form for the form to install a Synthesis of the magnetic field at different time series diagram. ④ Using the Timer Timer Timed events from time to time interval to load the appropriate time immediately picture a picture box, complete the animation process. The code is: PrivateSubTimed_Timer () Dimstile, sfilelAsStringDimgAsIntegern = fnMod3601 + lg = 11 - 1stile - '-', xzccUlUljn & Format (g) &. bmpquline1. PictureLoadPicture (stile) IfMod5 = o) ThenS = 【SMod72) + l: tu4. {NORMAL UNIVERSITY NATURAL SCIENCE EDITION) 19 of the total volume Plc gamma rflcmy (s) EndSub4.3 voice design provided by WINDOWS system Be recorded into a WAV file. Courseware in order to save space, should be made as compressed audio files. An effective method is to sound the end of the first and the sound cut off. The specific method is: ① WINDOWS system using the This put the first cut off the sound. Cut the end sounds a similar approach is also used, but the location and menu to stop the option is different. The courseware will set the voice playback function is optional, that is, only by clicking on the text box to play a passage in the text box. The specific steps: ① a MIVICONTROL on the form control object. ② The text control's click event to start the appropriate audio files. The software is now available at my school with the