Honeywell International Inc.

Michael G Miller

Terry Dean Stark

Adam Ross Horner

Travis Edward Christle

Francis J Judson

Systems and methods for producing two independent dissimilar attitude solutions, two independent dissimilar inertial solutions or both from one improved navigation device are disclosed. In one embodiment, an avionics system comprises: an inertial navigation device configured to produce a first set of attitude solutions; an attitude heading and reference unit configured to produce a primary set of attitude solutions and a secondary set of attitude solutions; and a display device configured to receive the first set of attitude solutions, the primary set of attitude solutions and the secondary set of attitude solutions, wherein if the first set of attitude solutions and the primary set of attitude solutions are yielding different results, then the display device is configured to determine whether the first set of attitude solutions or the primary set of attitude solutions is correct by determining differences between the attitude solutions and determining which difference is below a threshold.

Systems and methods for producing two independent dissimilar attitude solutions, two independent dissimilar inertial solutions or both from one improved navigation device

Systems for determining differential and average temperatures from resistive temperature devices are provided. In one embodiment, a device comprises a bridge network including a first node and second node, wherein the first node receives a constant current from a current source; a first branch coupled between a first node and a second node, the first branch including a first temperature sensing element of a first resistive temperature device; a second branch coupled in parallel with the first branch between the first node and the second node, the second branch including a second temperature sensing element of a second resistive temperature device; a first output that provides a signal representing a difference between a voltage developed across the first temperature sensing element and a voltage developed across the second temperature sensing element; and a second output that provides a signal representing a voltage developed across first node and the second node.

Growing community of inventors

Andover, MN, United States of America

Michael G Miller