Results 91 to 100 of about 8,094 (226)

Automatic Romaine Heart Harvester [PDF]

open access: yes, 2019
The Romaine Robotics Senior Design Team developed a romaine lettuce heart trimming system in partnership with a Salinas farm to address a growing labor shortage in the agricultural industry that is resulting in crops rotting in the field before they ...
Borst, Jonathan   +2 more
core   +1 more source

Research of the Two-stage Planetary Level Parallel Axis Structure of Wind Power Gearbox Assembly Technology

open access: yesJixie chuandong, 2015
Wind power gearbox assembly process quality has a decisive influence on the wind power gearbox assembly quality,it has important significance for improving the reliability of wind power gearbox.Aiming at the three assembly process difficulties problems ...
Zou Junwei, Huang Junqiong, You Jing
doaj  

Review of the transmissions of the Soviet helicopters [PDF]

open access: yes
A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
core   +1 more source

An investigation of control strategies on gearbox damage [PDF]

open access: yes, 2009
The impact of control on structural elements such as tower and blades have been thoroughly researched and the validity of analysis methods based on aeroelastic simulations is widely accepted.
Crowther, Ashley   +4 more
core  

Identification and proposed control of helicopter transmission noise at the source [PDF]

open access: yes
Helicopter cabin interiors require noise treatment which is expensive and adds weight. The gears inside the main power transmission are major sources of cabin noise.
Coy, John J.   +6 more
core   +2 more sources

A robust fault detection method of rolling bearings using modulation signal bispectrum analysis [PDF]

open access: yes, 2015
Envelope analysis is a widely used method for bearing fault detection. To obtain high detection accuracy, it is critical to select an optimal narrowband for envelope demodulation.
Abdalla, Gaballa   +4 more
core  

Effects of Tooth Breakage Size and Rotational Speed on the Vibration Response of a Planetary Gearbox

open access: yesApplied Sciences, 2017
A nonlinear dynamic model for a planetary gearbox with tooth breakage fault is built based on an improved rigid multibody model, and the effects of tooth breakage size and rotational speed on the vibration response of the planetary gearbox are ...
Wenguang Yang, Dongxiang Jiang, Te Han
doaj   +1 more source

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