论文部分内容阅读
浮子相对于它的支承轴线的质量不平衡力矩是引起液浮陀螺仪漂移的主要干扰力矩之一。当浮子在恒温槽内静平衡时,相当于在无界的流体中运动,它的运动相当于受有阻尼力矩的物理摆(图1),运动方程可表示为式中,J——对垂直于画面的“O”点轴线的浮子转动惯量; M_v——作用于浮子的阻尼力矩;M_m——重力矩;M_m=-m_ge sinθ,m_g为浮子重量,e为浮心与重心的不重合度,θ为偏角。
The mass unbalance moment of the float with respect to its support axis is one of the major disturbing moments that cause the drift of the liquid-floating gyroscope. When the float in the thermostat bath static equilibrium, the equivalent of moving in an unbounded fluid, its movement is equivalent to a damping torque by the physical swing (Figure 1), the equation of motion can be expressed as where, J - perpendicular to M_v - damping torque acting on the float; M_m - gravitational torque; M_m = -m_ge sin θ, m_g is the weight of the float, e is the degree of non-coincidence of the center of the buoyancy and the center of gravity of the buoy, θ is the declination.