Cooperative responding in rats maintained by fixed- and variable-ratio schedules.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the experimental analysis of behavior"
DOI: 10.1002/jeab.457
Abstract: The present study investigated the effects of fixed-ratio (FR) and variable-ratio (VR) reinforcement schedules on patterns of cooperative responding in pairs of rats. Experiment 1 arranged FR 1, FR 10, and VR 10 schedules to… read more here.
Keywords: schedules cooperative; schedule; variable ratio; cooperative responding ... See more keywords
Rotatable cam-based variable-ratio lever compliant actuator for wearable devices
Sign Up to like & getrecommendations! Published in 2018 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2018.09.006
Abstract: Abstract This paper presents a novel variable stiffness mechanism based on the combination of a rotatable cam and a variable-ratio lever principle. The proposed configuration results in i) a pseudo-linear torque/deflection characteristics, where ii) the… read more here.
Keywords: mechanism; ratio lever; variable ratio; rotatable cam ... See more keywords
Geometrical design of variable ratio tooth profile based on Boolean subtraction operation and a novel modification method
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Agricultural and Biological Engineering"
DOI: 10.25165/ijabe.v13i5.4884
Abstract: Variable transmission ratio racks show great potential in rice transplanters as a key component of variable transmission ratio steering to balance steering portability and sensitivity. The objective of this study was to develop a novel… read more here.
Keywords: variable ratio; ratio tooth; ratio; tooth profile ... See more keywords