摘  要：本文介紹一種基于專用RDC芯片ADS1210進行軸角解碼的旋轉變壓器接口卡。分別從旋轉變壓器原理和RDC解碼原理進行闡明，主要描述接口卡的硬件設計和軟件功能。目前該接口卡已成功作為速度和角度編碼器，應用于電機的速度閉環控制及收放繩纜長度的計量。 關鍵詞：旋轉變壓器；AD2S1210；軸角編碼 Abstract: A rotary transformer interface card based on ADS1210 chip RDC will be introduced. On the basis of explaining the principle of resolver and the RDC decoding principle, the hardware design and the [登陸后可查看全文]