Topic
Collision avoidance
About: Collision avoidance is a research topic. Over the lifetime, 8014 publications have been published within this topic receiving 111414 citations.
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Patent•
03 Apr 2012
TL;DR: In this article, a collision avoidance method for avoiding collisions between vehicles (10, 12 ) moving in a predetermined area (14), wherein said vehicles may include unmanned vehicles ( 10 ) and maimed vehicles ( 12 ).
Abstract: A collisions avoiding method for avoiding collisions between vehicles ( 10; 12 ) moving in a predetermined area ( 14 ), wherein said vehicles may include unmanned vehicles ( 10 ) and maimed vehicles ( 12 ). The method includes storing a map covering at least said predetermined area, said map including possible routes used by said vehicles ( 10;12 ). Vehicles moving in said predetermined area continuously transfer data relating to their present positions to a collision avoidance calculation module ( 20 ). Also included is continuously predicting specific paths of vehicles based on present positions and possible routes of said vehicles ( 10;12 ), preventing collisions between vehicles ( 10;12 ) by continuously comparing said predicted paths and possible routes to detect overlapping positions of different vehicles ( 10; 12 ) and forwarding interrupting commands to vehicles ( 10;12 ) heading to an overlapping position. The apparatus comprises a collision avoidance calculation module ( 20 ) and a processing unit ( 25 ), said processing unit ( 25 ) being arranged to continuously compare said predicted paths of each pair of the vehicles moving in said predetermined area ( 14 ) to detect overlapping positions.
32 citations
TL;DR: Varying experiences with the technologies by driver age and gender suggest that safety benefits are not uniform for all drivers, and differential benefits may become increasingly apparent as collision avoidance technologies become available to a more heterogeneous population of drivers.
32 citations
15 May 2006
TL;DR: A distributed feedback control architecture that guarantees collision avoidance and destination convergence for multiple sphere world holonomic agents is presented, with a significant decrease of computational load and its applicability to large scale groups.
Abstract: A distributed feedback control architecture that guarantees collision avoidance and destination convergence for multiple sphere world holonomic agents is presented. The well established tool of decentralized navigation functions is redefined to cope with the communication restrictions of the system. Each agent plans its actions without knowing the destinations of the others and the positions of those agents lying outside its sensing neighborhood. The stability properties of the closed loop system are checked via Lyapunov stability techniques for hybrid systems. The collision avoidance and goal convergence properties are verified through simulations. The key advantage of the proposed algorithm with respect to the previous ones is the significant decrease of computational load and its applicability to large scale groups
32 citations
Proceedings Article•
08 Dec 1986
32 citations
30 Jun 2004
TL;DR: The proposed approach is based on Deformable Virtual Zone (DVZ) paradigm and allows to implement fast control laws and can be seen as an efficient low level algorithm for controlling motions to avoid unscheduled obstacles.
Abstract: This paper addresses the problem of collision avoidance control of mobile manipulators evolving in unknown and dynamic environments. The proposed approach is based on Deformable Virtual Zone (DVZ) paradigm. The formulation of this method is given for mobile bases and its extension to mobile manipulators is detailed. This approach allows to implement fast control laws and can be seen as an efficient low level algorithm for controlling motions to avoid unscheduled obstacles. Simulation results are discussed, showing the effectiveness of the proposed method.
32 citations