Implementation of roll motion in magnetic suspension wind tunnel

Chin E. Lin, Ming Teh Huang

Research output: Contribution to conferencePaperpeer-review


Wind tunnel tests are generally obstructed by model support with limitations. The development of magnetic suspension wind tunnel (MSWT) is designed to free the model from conventional mechanical supports. Under precise model design, a roll motion with appropriate control can be implemented in MSWT. This paper presents a modification of NCKU 10 cm×10 cm MSWT to accomplish the roll motion control in wind tunnel tests. The modification of this experiment includes position and attitude sensing and test model design. The position and attitude sensing is improved and set-up by a laser optical circuit, quadrant detectors and dual-lateral detector in x-axis to ensure accurate measure. The rolling inertia is generated from a rotating mass inside the test model. With very careful design, a rocket model is fabricated for experiments. A passive PID control is implemented to achieve the predictable constant roll motion on the test model. A current feedback loop is applied to strengthen the control stability. Being different from other MSWT applications, the test model is locked by the position and attitude sensing via feedback control loop. Due to limitations, the accomplishment of roll motion test demonstrates only constant speed in good control performance. The idea of this study is to extend dynamic test capability in the magnetic suspension wind tunnel, and bring further valuable applications.

Original languageEnglish
Number of pages8
Publication statusPublished - 2000 Dec 1
EventIEEE 2000 National Aerospace and Electronics Conference (NAECON 2000) - Dayton, OH, USA
Duration: 2000 Oct 102000 Oct 12


OtherIEEE 2000 National Aerospace and Electronics Conference (NAECON 2000)
CityDayton, OH, USA

All Science Journal Classification (ASJC) codes

  • Engineering(all)


Dive into the research topics of 'Implementation of roll motion in magnetic suspension wind tunnel'. Together they form a unique fingerprint.

Cite this