INTEGRATED OBSTACLE DETECTION SYSTEM

摘要

A hybrid obstacle detection system for a power driven closure (12) including a non-contact obstacle detection system (14) and a contact-based obstacle detection system (100). The hybrid system combines the beneficial aspects of contact and non-contact systems while avoiding the deficiencies characteristic of the constituent systems when employed alone. In the non-contact system, the closure itself may interfere with and degrade performance. In the contact-based system, physical contact with an obstacle is required before the obstacle can be detected and corrective action can be taken. Inputs from both the contact-based system and the non-contact system may be utilized over the entire closure travel path, or may be invoked only within a specific portion of the closure travel path. Either or both of the constituent systems may be used to ascertain the location of the closure. A central controller (202) may be used for coordinating the inputs from the two systems, or a controller associated with one of these systems may be adapted for this purpose. If the central controller is employed, it may be a controller dedicated to this function, or one which is already utilized in the environment of the aperture for another purpose.