???tB￡o

±?òμéè??￡¨????￡??aìa±¨??
1?￠??ìaμ???μ??°òaò?
μ??ˉ?úá|×a?ò?μí3(Electric Power Steering System￡??ò3?EPS)ê??ìòo?1?ˉá|×a?ò?μí3￡¨HPS￡?oó2úéúμ?ò????ˉá|×a?ò?μí3￡???óD?ú?ü?￠?·±￡?￠2ù×Y?è?¨D?o?μ?ì?μ?￡???3μ?úá|×a?ò?????μí3ê?êμ??EPSμ?1??ü?￡
±???ìaμ??÷òa?D????μ?ê?éè??EPS?????μí3·?°?￡?éè???μí3ó2?t2￠??DDèí?t±à3ì?￡
±???ìaμ?òaò?ê?êì?¤??3μμ??ˉ?úá|×a?ò?????μí3μ??a·￠oí?D??1y3ì2￠?úò?oóμ?1¤×÷oí?§?°?D￡??§?á?a·￠ò????úμ??μí3?ù±?2??èoíòaμ??￡?a??à′μ?1¤×÷êμ?ù×?o?×?±??￡
1.1?￠??3μ?úá|×a?ò?????μí3μ???ê?
??3μ?úá|×a?ò?????μí3ê?μ??ˉ?úá|×a?ò?μí3(Electric Power Steering System￡??ò3?EPS)μ?1??ü×é3é?￡EPSê??ìòo?1?ˉá|×a?ò?μí3￡¨HPS￡?oó2úéúμ?ò????ˉá|×a?ò?μí3￡????é?a3μá?μí?ùDDê?ê±ìá1??úá|￡????ùDDê?ê±??é?2ù×Y?è?¨D??°°2è?D?[1]?￡
?ú??3μDDê??D,×a?ò???ˉê?×??ù±?μ????ˉ?￡?ò??í¨1y·??ò?ìà′2ù×Yoí??????3μμ?DDê?·??ò￡?′ó??êμ??×??oμ?DDê?òaí??￡?ú??′ú??3μé?￡?×a?ò?μí3ê?±?2??ééùμ?×??ù±?μ??μí3??ò?￡??üò2ê????¨??3μ?÷?ˉ°2è?D?μ?1??ü×@@é￡?è?o?éè????3μμ?×a?òì?D?￡?ê1??3μ??óDá?o?μ?2ù×YD??ü￡?ê???ê??÷??3μ3§?òoí???D?ú11μ???òa??ìa?￡ì?±eê??ú3μá????ù?ˉ?￠?Yê?è??±·??°òμ?ˉ?￠3μá÷?ü?ˉ?ˉμ???ìì￡??????ü?à2?í?μ??Yê?è?èo￡???3μμ?2ù×YD?éè????μ?óè?a??òa?￡??3μ?úá|×a?ò?????μí3ê??a??3μ?¨3μμí?ùDDê?ê±ìá1??úá|￡????ùDDê?ê±ìá??2ù×Y?è?¨D??°°2è?D?μ?1??ü×@@é￡??úêà??·??§μ??§?ù2úòμ?D??óD?ù×??á??μ?×÷ó??￡
1.2??3μ?úá|×a?ò?????μí3μ?·￠?1àú3ì?°?D????×′
??3μ·￠?1á?ò?°ù?à?ê￡?μ???ìì￡?×a?ò?μí3ò2àú?-á?3¤ê±??μ??Y??￡?oü′ó3ì?èé?ò2′ù??á???3μμ?·￠?1[2][3]?￡
1￡?′?í3×a?ò?μí3
′?í3μ???3μ×a?ò?μí3ê??úDμ?μí3￡???3μμ?×a?ò???ˉê?óé?Yê??±2ù×Y·??ò?ì￡?í¨1y×a?ò?÷oíò??μáDμ????t′?μYμ?×a?ò3μ????êμ??μ??￡??í¨μ?×a?ò?μí3?¨á￠?ú?úDμ×a?òμ??ù′?é?￡?í¨3￡?ù?Y?úDμê?×a?ò?÷D?ê??éò?·??a￡o3Y??3Yì?ê??￠?-?·?òê??￠????1???ê??￠???????úê??￡3￡ó?μ?óDá???ê?3Y??3Yì?ê?oí?-?·?òê?(ó?óúDèòa??′óμ?×a?òá|ê±)?￡?a??×a?ò?μí3ê??ò??×?3￡??μ?￡????°′ó2?·?μí????3μ2éó?μ??íê?3Y??3Yì?ê??úDμ×a?ò?μí3?￡
??è?′?í3×a?ò?μí31¤×÷×??é??￡?μ?ê?ò2′??úoü?à1ìóDμ?è±μ?￡?′?í3×a?ò?μí3óéóú·??ò?ì