Owing to changes in parameters,a holonomic system can become a weakly nonholonomic system and the weakly nonholonomic system can become a strongly nonholonomic system.

• 研究约束方程中参数对力学系统运动的影响.；由于参数的改变；可使完整系统变成弱非完整系统；进而使弱非完整系统变成强非完整系统