Adaptive two-time-scale tracking filter for target acceleration estimationHEPNER, STEPHAN A. R.; GEERING, HANS P. · Journal of Guidance, Control, and Dynamics · 1991

Observability analysis for target maneuver estimation via bearing-only and bearing-rate-only measurementsHEPNER, STEPHAN A. R.; GEERING, HANS P. · Journal of Guidance, Control, and Dynamics · 1990

[American Institute of Aeronautics and Astronautics Navigation and Control Conference - New Orleans,LA,U.S.A. (12 August 1991 - 14 August 1991)] Navigation and Control Conference - Towards robust tracking of maneuvering targetsHEPNER, STEPHAN; BAGNASCHI, LUCA; GEERING, HANS · 1991

[IEEE 1985 24th IEEE Conference on Decision and Control - Fort Lauderdale, FL, USA (1985.12.11-1985.12.13)] 1985 24th IEEE Conference on Decision and Control - Time-optimal motions of robots in assembly tasksGeering, Hans; Guzzella, Lino; R. Hepner, Stephan; Onder, Christoper · 1985

[American Institute of Aeronautics and Astronautics Guidance, Navigation and Control Conference - Portland,OR,U.S.A. (20 August 1990 - 22 August 1990)] Guidance, Navigation and Control Conference - Approximate and exact nonlinear target tracking based on MAP-estimationBAGNASCHI, LUCA; HEPNER, STEPHAN; GEERING, HANS

[American Institute of Aeronautics and Astronautics Guidance, Navigation and Control Conference - Monterey,CA,U.S.A. (17 August 1987 - 19 August 1987)] Guidance, Navigation and Control Conference - On the observability of target maneuvers via bearing-only and bearing-rate-only measurementsHEPNER, STEPHAN; GEERING, HANS