PT Torstensson, JCO Nielsen… - Journal of Sound and Vibration, 2011 - Elsevier ... When the system is excited at a frequency where two different wheelset mode shapes, due to the wheel rotation, have coinciding resonance frequencies, significant differences are found in the contact forces calculated with the rotating and non-rotating wheelset models. ... Related articles
C Nakagawa, K Nakano, Y Suda… - Journal of System Design …, 2011 - J-STAGE ... We proposed the vehicle that has two modes; the bicycle mode and the parallel two-wheel mode as a PMV [3] [4]. Figure 1 show the mock-up of the proposed PMV, (a) is the bicycle mode and (b) is the parallel two-wheelmode, respectively. ... Related articles - All 3 versions
S Nakajima - The International Journal of Robotics Research, 2011 - ijr.sagepub.com ... A strength of this robot is that it realizes both a leg mode and a wheelmode in a simple mechanism. ... Some typical cases of rough terrain for wheelmode and leg mode are selected, and the robot's ability of locomotion is assessed through simulations and experiments. ... Related articles
ZQ Li, SG Ma, B Li, MH Wang… - SCIENCE CHINA …, 2011 - Springer ... Driven only by one servomotor, each TWT unit can efficiently select between track mode and wheelmode for optimal locomotion, autonomously switching locomotion mode and track configuration with changes in the terrain. ... All 2 versions
A Brunner - US Patent 7,866,672, 2011 - Google Patents ... to movements in the user's foot; and a drive mechanism, coupling the shoe plate, the base plate, and the drive wheel, that propels the drive wheel when the user's foot is moved in a first direction and that permits the drivel wheel to operate in a free wheelmode when the user's ... Related articles - All 4 versions
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