Mechanical arm working space analysis method based on improved Monte Carlo method

The invention provides a mechanical arm working space analysis method based on an improved Monte Carlo method. The method comprises the steps that a plurality of mechanical arm working space points are generated through the Monte Carlo method; forming a seed working area according to the working space point of the mechanical arm, and arranging a cuboid to wrap the seed working area; carrying out discrete processing on the cuboid to obtain a plurality of small units; the small units are screened, and joint coordinates, containing mechanical arm parameter values, in the screened small units are stored as vectors; carrying out densification treatment on the screened small units; and carrying out growth and density processing on the screened mechanical arm working space points of the small units according to normal distribution to obtain a new joint vector, and mapping the new joint vector to the mechanical arm working space to obtain an expansion result of the mechanical arm working space. Whether the final work