ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ

ʱ¼ä£º2024-09-23 03:55:47 Àí¹¤±ÏÒµÂÛÎÄ ÎÒҪͶ¸å
  • Ïà¹ØÍƼö

ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ

Ëæ×ÅÈËÃǶÔÄÜÔ´ºÍ»·¾³ÎÊÌâµÄÈÕÒæ¹Ø×¢£¬ÄÚȼ»úµÄ¸ßЧ½à¾»È¼ÉÕ×÷ΪһÏîÖØÒªµÄ¡°ÂÌÉ«¹¤³Ì¡±¼¼Êõ£¬ÒÑÔÚ¸÷¹úÒýÆðÁ˹㷺µÄ¹Ø×¢¡£ÒÔ²ñÓÍΪÒýȼȼÁϵÄÌìÈ»Æø/²ñÓÍ˫ȼÁÏ·¢¶¯»úÊǽâ¾öÕâÒ»ÎÊÌâµÄÒ»¸öÓÐЧÊֶΡ£

ÓÉÓÚ˫ȼÁÏ·¢¶¯»úÊÇÔÚÔ­ÓвñÓÍ·¢¶¯»úµÄ»ù´¡ÉϸÄ×°¶ø³É£¬Òò´Ë·¢¶¯»ú±ØÐë·ûºÏÒ»¶¨µÄ¹¤×÷״̬£¬²Å¿ÉÒÔͨ¹ýת»»ÔÚ˫ȼÁÏ״̬Ϲ¤×÷£¬»òÕßÔÚÒ»¶¨Ìõ¼þÏ£¬·¢¶¯»úÔÚ˫ȼÁÏ״̬ϲžßÓÐÁ¼ºÃµÄЧ¹û¡£Ò»°ãÇé¿öÏ£¬µ±·¢¶¯»úˮθßÓÚ50¡æʱ£¬·¢¶¯»ú²ÅÊʺÏÔÚ˫ȼÁÏ״̬¹¤×÷¡£ÎªÁ˸üºÃµØʹÓúͱ£»¤·¢¶¯»ú£¬È¼ÁÏת»»»ú¹¹Ó¦¸Ã±£Ö¤ÔÚ·¢¶¯»úË®ÎÂÂú×ãÒ»¶¨µÄÌõ¼þ½ø£¬²Å¿ÉÒÔת»»µ½Ë«È¼ÁϹ¤×÷״̬¡£ÎªÊµÏÖȼÁÏת»»µÄ˳Àû½øÐУ¬ÑÐÖÆÁËȼÁÏת»»¿ØÖÆ»ú¹¹¡£

1 ϵͳ·½°¸Éè¼Æ

ת»»»ú¹¹µÄÂß¼­¿ØÖƵ¥ÔªÖ÷ÒªÓÃÀ´½ÓÊÕ˾»úµÄת»»ÐźÅX1¡¢·¢¶¯»úµÄË®ÎÂÐźÅX2¡¢¸ßѹÌìÈ»ÆøµÄѹÁ¦ÐźÅX3¼°È¼ÁÏת»»»ú¹¹¹¤×÷״̬µÄ·´À¡ÐźÅX4µÈ£¬ÏȽøÐÐÒ»¶¨µÄÂß¼­Åжϣ¬·¢³öÊʵ±µÄÖ¸ÁÍê³ÉÖ¸¶¨µÄÈÎÎñ¡£È»×ª»»»ú¹¹Ê¾ÒâͼÈçͼ1Ëùʾ¡£

Ȼת»»»ú¹¹µÄ»úеִÐв¿·Ö±ØÐëÄܹ»½«Âß¼­¿ØÖƵ¥ÔªµÄÖ¸ÁîÐźŻ¯Îª»úеÔËÐУ¬ÒÔʵÏÖȼÁÏת»»µÄÄ¿µÄ£¬ÕâÒ»¹¦ÄÜÓÉ¿ª¹Øµç´ÅÌúÍê³É¡£ÔÚ·½°¸Éè¼ÆÖУ¬ÒªÇ󿪹صç´ÅÌúµÄÁ½ÖÖλÖöÔÓ¦»úеִÐв¿·ÖµÄÁ½ÖÖ¹¤×÷״̬£¬¼´Ë«È¼ÁϹ¤×÷״̬ºÍ´¿²ñÓ͹¤×÷״̬¡£Í¨¹ý»úе²¿·ÖµÄÁ¬¶¯£¬´«¶¯»ú¹¹ÇжϻòÁ¬½Ó¼ÓËṲ̀°åµÄÔ˶¯£¬¿ØÖƵ÷ËÙÆ÷¿ØÖƸ˵ÄÔ˶¯×´Ì¬¡£µ±¼ÓËṲ̀°å¶Ôµ÷ËÙÆ÷Æð×÷ÓÃʱ£¬µ÷ËÙÆ÷¿ØÖƸ˾ö¶¨·¢¶¯»úµÄÔ˶¯£¬´ËʱÂß¼­¿ØÖƲ¿·Ö¹Ø±Õ¸ßѹÌìÈ»Æø·§Óëµç¿Øµ¥Ôª£¨ECU£©£¬Õâ¾ÍÊÇ´¿²ñÓ͹¤×÷״̬¡£µ±¼ÓËṲ̀°åµÄÔ˶¯Ïòµ÷ËÙÆ÷¿ØÖƸ˵Ĵ«µÝ±»»úе²¿·ÖÇжÏʱ£¬µ÷ËÙÆ÷¿ØÖƸ˱»¹Ì¶¨ÔÚµ¡ËÙÓÍÁ¿Î»Öã¬Âß¼­¿ØÖƵ¥Ôª¿ªÆôÌìÈ»Æø¸ßѹ·§²¢¸øµç¿Øµ¥Ôª£¨ECU£©·¢Ë͹¤×÷Ðźţ¬Õâ¾ÍÊÇ˫ȼÁϹ¤×÷״̬¡£ÕâÑù£¬Ë¾»úÖ»Ðè°å¶¯×ª»»¿ª¹Ø£¬ÓÉËü·¢³öÖ¸ÁÂß¼­¿ØÖƵ¥Ôª¸ù¾Ý½ÓÊÕµÄÐźÅ×÷³öÅжϣ¬Í¬Ê±Çý¶¯ÍâÑØÆ÷¼þ£¬¼´¿ÉʵÏÖ´¿²ñÓÍÓë˫ȼÁÏÁ½ÖÖ¹¤×÷״̬µÄת»»[1]¡£

2 Âß¼­¿ØÖƵ¥ÔªÉè¼Æ

Âß¼­¿ØÖƵ¥ÔªÖ÷ҪʵÏÖÐźŵĽÓÊÕ¡¢ÅжϺͷ¢ËÍ¡£Ö÷ÒªÓÉÈý¸ö²¿·Ö×é³É£¬¼´Âß¼­Åжϲ¿·Ö¡¢ÍâÑؽӿڲ¿·ÖºÍµçԴת»»²¿·Ö¡£

Âß¼­¿ØÖƵ¥ÔªµÄ¹¤×÷¹ý³ÌÈçÏ£ºÍâÑؽӿڲ¿·Ö½«½ÓÊÕµÄÄ£ÄâÐźÅת»¯ÎªÊý×ÖÐźŴ«µÝ¸øÂß¼­Åжϲ¿·Öºó£¬ÓÉÂß¼­Åжϲ¿·ÖÅжÏת»»Ìõ¼þÊÇ·ñÂú×㣬²¢·¢³ö¿ØÖÆÖ¸ÁÔÙÓÉÍâÑؽӿڲ¿·Ö½«Ö¸Áîת»¯Îª¶ÔÓ¦Æ÷¼þÄÜʶ±ðµÄÐźţ¬ÈçÇý¶¯µçÔ´·§µÄ´óµçÁ÷µÈ¡£µçÔ´²¿·ÖÖ÷ÒªÊǽ«Æû³µµçÆ¿µÄ12Vµçѹת»»ÎªÂß¼­¿ØÖƵ¥ÔªÉϵç×ÓÔª¼þËùÐèÒªµÄµçѹ£¨5V£©¡£

2.1 Âß¼­Åжϲ¿·Ö

Âß¼­Åжϲ¿·Ö½ÓÊÕÍâÑؽӿڲ¿·Ö´«À´µÄÊý×ÖÐźţ¬½øÐÐÅжϺ󷢳öÊÊÓ¦µÄÖ¸Áî¡£

Ôڴ˹涨£ºÔÚ˾»ú½«×ª»»¿ª¹Øת»»µ½Ë«È¼ÁϹ¤×÷λÖÃʱ£¬×ª»»ÐźÅx1=1£¬¶ø´¿²ñÓÍλÖÃʱ£¬X1=0£»µ±Ë®Î´ﵽ˫ȼÁÏ״̬µÄÒªÇóʱ£¬Ë®ÎÂÐźÅx2=1£¬·ñÔòx2=0£»µ±¸ßѹÌìÈ»ÆøÔÚÔÊÐíʹÓõÄ×îСѹÁ¦ÒÔÉÏʱ£¬ÌìÈ»ÆøÆøѹÐźÅx3=1£¬·ñÔòx3=0£»µ±»úе²¿·Ö´¦ÓÚ˫ȼÁϹ¤×÷״̬ʱ£¬·´À¡ÐźÅx4=1£¬µ±»úе²¿·Ö»Ö¸´´¿²ñÓ͹¤×÷״̬ʱ£¬·´À¡ÐźÅx4=0¡£Âß¼­Åжϲ¿·Ö·¢³öµÄÖ¸ÁîÓУºÆô¶¯¿ª¹Øµç´ÅÌúÐźÅY1£¨¹©µçʱ¿ª¹Øµç´ÅÌú¹¤×÷£¬½«»úе²¿·Öת»»ÖÁ˫ȼÁϹ¤×÷״̬ʱY1=1£¬·ñÔòY1=0£©£¬Æô¶¯¸ßѹÌìÈ»Æøµç´Å·§ÐźÅY2£¨¹©µçʱµç´Å·§¿ªÆôʱY2=1£¬·ñÔòµç´Å·§¹Ø±ÕY2=0£©£¬¹ÊÕÏÐźÅY2£¨ÓйÊÕÏʱ¹ÊÕÏÐźŵƹ©µçY3=1£¬·ñÔò£¬Y3=0£©£¬Æô¶¯µç¿Øµ¥Ôª£¨ECU£©ÐźÅY4£¨¸øECU¹©µçʹÆ乤×÷ʱY4=1£¬·ñÔòY4=0£©¡£

ÓÉÒÔÉÏ·ÖÎöµÃ³öÒÔϸ÷Êä³öÐźÅÓëÊäÈëÐźŵÄÂß¼­¹Ø¼üʽ£º

Y1=X1X2X3

Y2=X1X2X3X4

Y3=X1X4 X1X2X3X4

X4=X1X2X3X4

ÓÉÓÚÂß¼­¹Øϵ±È½Ï¼òµ¥£¬²ÉÓÃTTLµç·£¬ÓÉ74ϵÁеÄоƬÍê³ÉÆäÂß¼­ÅжϹ¦ÄÜ£¬Âß¼­²¿·ÖµÄµç·ͼÈçͼ2Ëùʾ[2]¡£Í¼ÖУ¬7411ºÍ7408ÊÇÓëÃÅ£¬7404ÊÇ·´ÏàÆ÷£¬7402ÊÇ»ò·ÇÃÅ¡£ÊäÈëÐźÅÊÇX1¡¢X2¡¢X3¡¢X4£¬Êä³öÐźÅÊÇY1£¬Y3£¬Y4¡£ÓÉÓÚY2=Y4£¬ËùÒÔ¸ßѹÌìÈ»ÆøµÄµç´Å·§ºÍµç¿Øµ¥Ôª£¨ECU£©µÄÇý¶¯µç·¶¼¿ÉÒÔÓÉY4À´¿ØÖÆ¡£

2.2 ÍâÑؽӿڵç·

ÒòΪÓÐЩÆ÷¼þµÄÊä³öÐźÅÊÇÄ£ÄâÁ¿£¬Èçˮδ«¸ÐÆ÷Êä³öµÄÊÇ¿ÉÁ¬Ðø±ä»¯µÄµçѹÐźţ¬Âß¼­¿ØÖƵ¥ÔªÎÞ·¨Ö±½Ó½ÓÊÕ²¢±æʶÅжϣ¬Òò´Ë¾ÍÐèÒªÓÐÍâÑؽӿڵç·½«Æäת»¯ÎªÊý×ÖÐźš£

ÍâÑؽӿڵç·µÄÁíÒ»¸ö×÷ÓþÍÊǽ«Âß¼­Åжϲ¿·ÖµÄÖ¸Áîת»¯ÎªÒ»Ð©Æ÷¼þËùÐèµÄµçÐźţ¬ÈçµçÁ÷Ðźŵȡ£

2.2.1 µçѹ±È½ÏÆ÷

ÔÚÂß¼­¿ØÖƵ¥ÔªÖУ¬ÓÐÁ½´¦ÐèÒªÓõ½µçѹ±È½ÏÆ÷£¬Ò»¸öÊÇˮδ«¸ÐÆ÷µÄ½Ó¿Ú£¬ÁíÒ»¸öÊÇÌìÈ»ÆøѹÁ¦´«¸ÐÆ÷µÄ½Ó¿Ú¡£

¶Ô±È½ÏÆ÷LM311¸ø¶¨Ò»¸ö²Î¿¼µçѹ£¬µ±ÊäÈëµçѹµÍÓڲο¼µçѹʱ£¬±È½ÏÆ÷Êä³öµÄµçѹΪµÍµçƽ£¬¸ßÓڲο¼µçѹʱ£¬Êä³öµçѹΪ¸ßµçƽ¡£

2.2.2 Çý¶¯µç·²¿·Ö

ÔÚȼÁÏת»»»ú¹¹µÄÇý¶¯Æ÷¼þÖУ¬¿ª¹Øµç´ÅÌúºÍ¸ßѹÌìÈ»Æø½ØÖ¹·§ÐèÒª½ÏÇ¿µÄ¹¤×÷µçÁ÷£¬Çý¶¯µç·²¿·Ö²ÉÓùÌ̬¼ÌµçÆ÷£¬½«Âß¼­Åжϲ¿·ÖµÄÖ¸Áî

¡¾Ñ¹È¼Ê½Ë«È¼ÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ¡¿Ïà¹ØÎÄÕ£º

·Ç½Ó´¥Ê½IC¿¨½ÚË®¿ØÖÆÆ÷µÄÉè¼ÆÓëʵÏÖ03-07

»ùÓÚǶÈëʽPsoCµÄMCUÑ¡É«¿ØÖÆÆ÷Éè¼Æ03-18

»ùÓÚBPÉñ¾­ÍøÂç¿ØÖƵÄÐü¸¡Ê½´óÇÅ×èÄáÆ÷¿ØÖÆÆ÷Éè¼Æ03-07

¸ºÑ¹ÃܱÕʽÒýÁ÷¼¼ÊõµÄ»¤ÀíÌå»á11-16

³£¹æ½âñî¿ØÖÆÆ÷µÄÉè¼Æ(Ò»)03-08

QDRII SRAM¿ØÖÆÆ÷µÄÉè¼ÆÓëFPGAʵÏÖ03-30

¸ßËÙºìÍâVFIR¿ØÖÆÆ÷µÄÉè¼ÆÓëʵÏÖ12-05

LEDµç×ÓÀñ»¨Ê÷¿ØÖÆÆ÷Éè¼Æ03-18

ÖÇÄܽ»Í¨Â·¿Ú¿ØÖÆÆ÷µÄÉè¼Æ03-21