本文正是基于此提出：1）用无差动法插削加工斜齿轮；
The paper just basing on this put forward:1)No differential way to shape bevel wheel;
在应用无差动法滚切斜齿圆柱齿轮的基础上，通过理论推导和实验验证，得出进一步减少斜齿轮齿向误差的可行的挂轮选配新方法。
Through theoretical derivation and experimental verification, a new method is obtained for further reducing tooth curve error of oblique gear and for choosing feed gear wheel.
研究了转子位移无传感器检测的两种方法，即小信号注入测试法和差动变压器测试法。
Two methods, which are called as a small test-signal injection and the differential transformer, are studied in order to detect the rotor displacement without sensor.
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