Fruit flies modulate passive wing pitching to generate in-flight turns Export

@article{citeulike:5913516, abstract = {Flying insects execute aerial maneuvers through subtle manipulations of their wing motions. Here, we measure the free flight kinematics of fruit flies and determine how they modulate their wing pitching to induce sharp turns. By analyzing the torques these insects exert to pitch their wings, we infer that the wing hinge acts as a torsional spring that passively resists the wing's tendency to flip in response to aerodynamic and inertial forces. To turn, the insects asymmetrically change the spring rest angles to generate rowing motions of their wings. Thus, insects can generate these maneuvers using only a slight active actuation that biases their wing motion.}, archivePrefix = {arXiv}, author = {Bergou, Attila J. and Ristroph, Leif and Guckenheimer, John and Cohen, Itai and Wang, Z. Jane}, citeulike-article-id = {5913516}, citeulike-linkout-0 = {http://arxiv.org/abs/0910.0671}, citeulike-linkout-1 = {http://arxiv.org/pdf/0910.0671}, day = {5}, eprint = {0910.0671}, keywords = {angles, article, flying, physics}, month = {Oct}, posted-at = {2009-10-09 01:26:07}, priority = {2}, title = {Fruit flies modulate passive wing pitching to generate in-flight turns}, url = {http://arxiv.org/abs/0910.0671}, year = {2009} }

TY - JOUR ID - citeulike:5913516 L3 - citeulike-article-id:5913516 N2 - Flying insects execute aerial maneuvers through subtle manipulations of their wing motions. Here, we measure the free flight kinematics of fruit flies and determine how they modulate their wing pitching to induce sharp turns. By analyzing the torques these insects exert to pitch their wings, we infer that the wing hinge acts as a torsional spring that passively resists the wing's tendency to flip in response to aerodynamic and inertial forces. To turn, the insects asymmetrically change the spring rest angles to generate rowing motions of their wings. Thus, insects can generate these maneuvers using only a slight active actuation that biases their wing motion. TI - Fruit flies modulate passive wing pitching to generate in-flight turns KW - angles KW - article KW - flying KW - physics AU - Bergou, Attila AU - Ristroph, Leif AU - Guckenheimer, John AU - Cohen, Itai AU - Wang, Jane PY - 2009/Oct/05/ UR - http://arxiv.org/abs/0910.0671 ER -