/// <summary>
        /// x正向运动按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button_to_posx_Click(object sender, EventArgs e)
        {
            double time     = decimal.ToDouble(numericUpDown_time.Value);
            int    n        = decimal.ToInt32(numericUpDown_addnum.Value);
            double distance = decimal.ToDouble(numericUpDown_distance.Value);

            double[] vn = new double[3] {
                distance, 0, 0
            };
            robot1.Move(vn, n, time);
        }