×

HYBRID DUAL-DUPLEX FAIL-OPERATIONAL PATTERN AND GENERALIZATION TO ARBITRARY NUMBER OF FAILURES

  • US 20170277153A1
  • Filed: 03/23/2016
  • Published: 09/28/2017
  • Est. Priority Date: 03/23/2016
  • Status: Active Grant
First Claim
Patent Images

1. A modified dual-duplex fail-operational control system comprising:

  • a primary controller controlling features of devices while operating under non-fault operating conditions, the primary controller comprising;

    a first processing unit executing a function utilizing input data from sensing devices;

    a second processing unit simultaneously executing the function utilizing the input data from sensing devices;

    a first comparative module comparing the function result from the first processing unit with the function result from the second processing unit to determine whether an error is present in the first controller;

    a second controller comprising;

    a first processing unit executing the function utilizing the input data from sensing devices;

    a second processing unit operating in a non-redundant state, the second processing unit not executing the function while in the non-redundant state;

    a second comparative module determining whether an error is present in the second controller;

    wherein a matching function result identified by the first comparative module of the first controller is input to second comparative module of the second controller, wherein the second comparative module determines whether an error is present in the second controller utilizing only the matching function result identified by the first comparative module and the function result determined by the first processing unit of the second controller.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×