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建立了描述车辆姿态向量和重力向量的两个坐标系,研究了姿态向量与坐标变换之间的关系,根据Solid-Works提供的函数,利用二分法求解了给定姿态下的浮心位置;以浮心计算为基础,通过对车辆的受力分析和运动分析,确定了车辆浮态的计算方法;利用SolidWorks的API函数进行二次开发,形成了计算静稳性的程序,并进行了实例计算。结果表明:与传统的作图法相比较,该方法计算结果更精确,计算速度更快。
Two coordinate systems describing vehicle attitude vector and gravity vector are established. The relationship between attitude vector and coordinate transformation is studied. According to the function provided by Solid-Works, the position of center of buoyancy in a given attitude is solved by dichotomy. Based on the calculation of the center of gravity and the center of gravity of the vehicle, the calculation method of the vehicle’s floating state is established through the force analysis and the movement analysis of the vehicle. The secondary development of the vehicle’s API function is used to form the procedure of calculating the static stability. . The results show that compared with the traditional mapping method, the method is more accurate and faster.