Academic Appointments

  • Emeritus Faculty, Acad Council, Aeronautics and Astronautics

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2015-16 Courses

All Publications

  • Probability of midair collision during ultra closely spaced parallel approaches JOURNAL OF GUIDANCE CONTROL AND DYNAMICS Houck, S. W., Powell, J. D. 2003; 26 (5): 702-710

    View details for Web of Science ID 000185305200004

  • Observer-based air-fuel ratio control IEEE CONTROL SYSTEMS MAGAZINE Powell, J. D., Fekete, N. P., Chang, C. F. 1998; 18 (5): 72-83

    View details for Web of Science ID 000076345500006

  • On-line adaptive optimal combustor control IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY PADMANABHAN, K. T., Bowman, C. T., Powell, J. D. 1996; 4 (3): 217-229

    View details for Web of Science ID A1996UG99100002

  • Integration of wide area DGPS with local area kinematic DGPS LAWRENCE, D., Evans, J., Chao, Y. C., Tsai, Y. J., Cohen, C., Walter, T., Enge, P., Powell, J. D., Parkinson, B. I E E E. 1996: 523-529

    View details for Web of Science ID A1996BF52A00077

  • Use of passive damping for a tethered artificial gravity spacecraft ASTRODYNAMICS 1995 Saeed, S. I., Powell, J. D. 1996; 90: 887-903

    View details for Web of Science ID A1996BF21S00057

  • The effect of GPS-based surveillance on aircraft separation standards IEEE 1996 POSITION LOCATION AND NAVIGATION SYMPOSIUM Gazit, R. Y., Powell, J. D. 1996: 360-367

    View details for Web of Science ID A1996BF52A00054

  • Continuity improvements via inertial augmentation of GPS-based landing system Ko, P. Y., Enge, P., Powell, J. D. I E E E. 1996: 153-160

    View details for Web of Science ID A1996BF52A00024

  • AIR-FUEL RATIO CONTROL IN SPARK-IGNITION ENGINES USING ESTIMATION THEORY IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY Chang, C. F., Fekete, N. P., Amstutz, A., Powell, J. D. 1995; 3 (1): 22-31

    View details for Web of Science ID A1995RA15100004

  • IDENTIFICATION AND AIR-FUEL RATIO CONTROL OF A SPARK-IGNITION ENGINE IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY Jones, V. K., AULT, B. A., Franklin, G. F., Powell, J. D. 1995; 3 (1): 14-21

    View details for Web of Science ID A1995RA15100003

  • Flight tests of a 3-D perspective-view glass-cockpit display for general aviation using GPS Barrows, A., Enge, P., Parkinson, B., Powell, J. D. INST NAVIGATION. 1995: 1615-1622

    View details for Web of Science ID A1995BE72A00173

  • A bit of information on identification with a zirconia sensor PROCEEDINGS OF THE 1995 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Jones, V. K., Franklin, G. F., Powell, J. D. 1995: 1657-1661

    View details for Web of Science ID A1995BD66H00351

  • Observed GPS signal continuity interruptions COBB, H. S., LAWRENCE, D., Christie, J., Walter, T., Chao, Y. C., Powell, J. D., Parkinson, B. INST NAVIGATION. 1995: 793-795

    View details for Web of Science ID A1995BE72A00085

  • Maintaining GPS positioning in steep turns using two antennas LAWRENCE, D., COBB, H. S., Cohen, C., Christie, J., Powell, J. D., Parkinson, B. INST NAVIGATION. 1995: 1451-1459

    View details for Web of Science ID A1995BE72A00155

  • Autolanding a 737 using GPS and integrity beacons Cohen, C. E., COBB, H. S., Lawrence, D. G., Pervan, B. S., Powell, J. D., Parkinson, B. W., Aubrey, G. J., Loewe, W., Ormiston, D., MCNALLY, B. D., Kaufmann, D. N., Wullschleger, V., Swider, R. I E E E. 1995: 474-482

    View details for Web of Science ID A1995BE61E00077

  • Precision landing tests with improved integrity beacon pseudolites COBB, H. S., LAWRENCE, D., Pervan, B., Cohen, C., Powell, J. D., Parkinson, B. INST NAVIGATION. 1995: 827-833

    View details for Web of Science ID A1995BE72A00089

  • FLIGHT TRIALS OF THE WIDE AREA AUGMENTATION SYSTEM (WAAS) Walter, T., Kee, C., Chao, Y. C., Tsai, Y. J., PELED, U., Ceva, J., Barrows, A., Abbot, E., Powell, J. D., Enge, P., Parkinson, B. INST NAVIGATION. 1994: 1537-1546

    View details for Web of Science ID A1994BC96F00169

  • TETHERED ARTIFICIAL GRAVITY SPACECRAFT DESIGN ASTRODYNAMICS 1993, PTS 1-3 KOWALSKY, C., Powell, J. D. 1994; 85: 645-664

    View details for Web of Science ID A1994BA73X00040

  • THRUSTERLESS VIBRATION CONTROL FOR TETHERED ARTIFICIAL GRAVITY SPACECRAFT ASTRODYNAMICS 1993, PTS 1-3 THORNBURG, S. L., Powell, J. D. 1994; 85: 839-857

    View details for Web of Science ID A1994BA73X00051

  • COMMUNICATION PROTOCOLS FOR GPS-BASED SURVEILLANCE AND TCAS PROCEEDINGS OF ION GPS-94: 7TH INTERNATIONAL TECHNICAL MEETING OF THE SATELLITE DIVISION OF THE INSTITUTE OF NAVIGATION, PTS 1 AND 2 Gazit, R., Powell, J. D. 1994: 923-932

    View details for Web of Science ID A1994BC96F00102

  • FLIGHT TEST RESULTS OF AUTOCOUPLED APPROACHES USING GPS AND INTEGRITY BEACONS Cohen, C., LAWRENCE, D., Pervan, B., COBB, H. S., Barrows, A., Powell, J. D., Parkinson, B., Wullschleger, V., Kalinowski, S. INST NAVIGATION. 1994: 1145-1153

    View details for Web of Science ID A1994BC96F00127

  • AUTONOMOUS INTEGRITY MONITORING FOR GPS-BASED PRECISION LANDING USING GROUND-BASED INTEGRITY BEACON PSEUDOLITES Pervan, B., Cohen, C., LAWRENCE, D., COBB, H. S., Powell, J. D., Parkinson, B. INST NAVIGATION. 1994: 609-618

    View details for Web of Science ID A1994BC96F00068

  • ENGINE CONTROL USING CYLINDER PRESSURE - PAST, PRESENT, AND FUTURE JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME Powell, J. D. 1993; 115 (2B): 343-350

    View details for Web of Science ID A1993LH13200016

  • TETHER DAMPING IN SPACE JOURNAL OF GUIDANCE CONTROL AND DYNAMICS He, X. H., Powell, J. D. 1990; 13 (1): 104-112

    View details for Web of Science ID A1990CJ41000015

  • MULTIRATE DIGITAL-CONTROL SYSTEM-DESIGN IEEE TRANSACTIONS ON AUTOMATIC CONTROL Berg, M. C., Amit, N., Powell, J. D. 1988; 33 (12): 1139-1150

    View details for Web of Science ID A1988Q917800008

  • FUEL-AIR RATIO DETERMINATION FROM CYLINDER PRESSURE TIME HISTORIES JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME Gilkey, J. C., Powell, J. D. 1985; 107 (4): 252-257

    View details for Web of Science ID A1985AWB1300007

  • COMPUTER-AIDED PROCEDURES FOR OPTIMIZATION OF ENGINE CONTROLS INTERNATIONAL JOURNAL OF VEHICLE DESIGN TENNANT, J. A., Cohen, A. I., Rao, H. S., Powell, J. D. 1983; 4 (3): 258-269

    View details for Web of Science ID A1983QV02300003

  • IMAGE MOTION COMPENSATION SYSTEM FOR THE SHUTTLE INFRARED TELESCOPE FACILITY AUTOMATICA LORELL, K. R., PARSONS, E. K., Powell, J. D. 1981; 17 (4): 555-562

    View details for Web of Science ID A1981MG31900001

  • SAMPLE RATE SELECTION FOR AIRCRAFT DIGITAL CONTROL AIAA JOURNAL Powell, J. D., Katz, P. 1975; 13 (8): 975-979

    View details for Web of Science ID A1975AY75800004

  • DESIGN METHOD FOR MINIMIZING SENSITIVITY TO PLANT PARAMETER VARIATIONS AIAA JOURNAL HADASS, Z., Powell, J. D. 1975; 13 (10): 1295-1303

    View details for Web of Science ID A1975BD53300011