Multidirectional force and torque sensor for insect flight research

Abstract

This paper discusses the development of a multidirectional force sensor for the investigation of the flight dynamic of a tethered fly. The proposed sensor combines the well-understood concepts of piezoresistive force sensing with a unique design that allows for the measurement of forces with more than one degree of freedom (DOF). In addition, the system has been fabricated to support the fly inside a virtual reality arena. The sensor is fabricated on a wafer-level using standard MEMS technology, By directly measuring the thrust, lift, yaw and side slip generated by the fly, complex aerodynamics mechanisms due to rapidly rotating and flapping wings can be better understood.

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