基于重力补偿控制的二自由度机器人，仿真表明较传统机器人PD控制，其控制轨迹精度大大提高-Two-degree-of-freedom robot based on the gravity compensation control, simulation shows that the more traditional robot PD control, greatly improved the accuracy of the control track

kalman 车辆二自由度模型 状态预测-kalman

3自由度并联机器人工作空间分析，二自由度机器手工作空间分析-three dimensional parallel robot workspace anlysis

搭建OFDM通信系统的框架，旋转机械二维全息谱计算，实现六自由度运动学逆解算法。- Build a framework OFDM communication system, Rotating machinery 2-d holographic spectrum calculation, Six degrees of freedom to achieve inverse kinematics algorithm.