Kashkanov A. Creation of method for estimation of automobile operation brake properties in road conditions

The Object of research: operation of a subsystem "the automobile - road " in investigation of traffic accidents at braking. The purpose of research: Heightening of investigation objectivity of traffic accidents at the expense of method creation for estimation of operation brake properties of the automobile in road conditions, which would allow theoretically reconstitute a trajectory of driving of the braked automobile even at presence of inaccurate input datas. Methods of research: The analytical and experimental methods of researches, which are founded on ideas and principles of an artificial intelligence and knowledge engineering, theory of fuzzy sets and linguistic variable. Equipment: Inspection tool, shooting device, computer engineering. Theoretical and practical results: The method of an estimation of the operation brake properties of the automobile in road conditions is developed and justified. The mathematical models of evaluation of automobile with a road surface and The models of the brakemo ments evaluation on wheels of the automobile are developed. The mathematical model of motion path evaluation of the braking automobile is offered. The "Auto Expert" software for automation of the most labour-consuming procedures of behavior prediction of the braking automobile is developed. New offered: The correlation between driving character of the automobile, adhesion factor and brake moments on each wheel is defined in view of transversal displacement of the automobile masses center in conditions of an inaccuracy of input datas. As criterion the specific deceleration was used. Level of application: Is introduced in expert-criminalistics department of control Ministry of Internal Affairs of Ukraine in Vinnitsa region. Field of applications: motor transport.