HMD symbol stabilization concepts

Richard L. Newman; Kevin W. Greeley

doi:10.1117/12.209734

22 May 1995 HMD symbol stabilization concepts

Richard L. Newman, Kevin W. Greeley

Proceedings Volume 2465, Helmet- and Head-Mounted Displays and Symbology Design Requirements II; (1995) https://doi.org/10.1117/12.209734
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Helmet-mounted displays (HMDs) present flight, navigation, and weapon information in the pilot's line of sight. The HMD was developed to allow the pilot to retain aircraft and weapon information while looking off boresight. Symbol stabilization is a key issue for HMDs. In current equipment, the lack of compensation for pilot head motion creates excessive workload during hovering and nap-of-the-earth flight. This high workload translates into excessive training requirements. At the same time, misleading symbology makes interpretation of the height of obstructions impossible. A set of standardized coordinate transformations are necessary for the development of HMD symbology and the control laws. Part of the problem is there is no agreed upon set of definitions or descriptions for how HMD symbols are driven to compensate for pilot head motion. A candidate set of coordinate definitions is proposed to address this issue.

Citation Download Citation

Richard L. Newman and Kevin W. Greeley "HMD symbol stabilization concepts", Proc. SPIE 2465, Helmet- and Head-Mounted Displays and Symbology Design Requirements II, (22 May 1995); https://doi.org/10.1117/12.209734

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