对转子自动平衡问题进行了理论和应用研究。针对自动平衡的特点，对振动系统的力学模型进行了新的分析，指出：运用补偿方法，可以得到精确的系统模型，克服了传统通用平衡机中存在的原理误差；提出了一种软、硬支承自动平衡机的通用测试理论，详细介绍了研制的自动平衡系统的主要功能和技术关键。 The rotor balance problem is studied theoretically and applied. Aiming at the characteristics of automatic balancing, a new analysis on the mechanical model of the vibration system is made. It is pointed out that using the compensation method, an accurate system model can be obtained, which overcomes the principle error existing in the conventional universal balancing machine. A soft and hard Support the principle of universal testing of automatic balancing machines, introduced in detail the main functions and technical keys of the developed automatic balancing system.