Increasing levels of autonomy impose more pronounced performance requirements for unmanned ground vehicles (UGV). Presence model uncertainties significantly reduces a vehicle when the is traversing an unknown terrain or inertial parameters vary due to mission schedule external disturbances. A comprehensive mathematical skid steering tracked presented in this paper and used design control law. A...

Studies of homeless alcoholic women remain rare. Women on Skid Row in New York City were sought out at the Women's Shelter for a study of homeless women alcoholics. The findings in this study of 31 homeless alcoholic women tend to confirm an earlier study by Garrett and Bahr in most respects. A major difference relates to the population's lack of homogeneity. A life-long pattern of marginality ...