Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2007-02-20
2007-02-20
Barnes, Crystal J. (Department: 2121)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S013000, C714S017000, C700S045000, C700S082000, C700S089000, C713S375000, C713S401000, C713S500000, C370S507000, C375S356000
Reexamination Certificate
active
10043930
ABSTRACT:
A method for synchronizing data utilized in a redundant, closed-loop feedback control system is disclosed. In an exemplary embodiment, the method includes configuring a plurality of control nodes within the control system, with each of the plurality of control nodes transmitting and receiving data through a common communication bus. At each of the plurality of control nodes during a given control loop time T=N, the receipt of externally generated data with respect to each control node is verified, the externally generated data having been generated during a preceding control loop time T=N−1. At each of the plurality of control nodes during the given control loop time T=N, output control data is calculated using the externally generated data. During the given control loop time T=N, the calculated output control data from each individual control node is further transmitted over the communication bus to be later utilized by other control nodes during a subsequent control loop time T=N+1.
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EP Office Action for EP application 02 080 607.1.
European Search Report dated Apr. 23, 2003.
A'Dmbrosio Joseph G.
Amberkar Sanket S.
Millsap Scott A.
Barnes Crystal J.
Delphi Technologies Inc.
Smith Michael D.
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