Results 111 to 120 of about 54,584 (230)
The detection of gear noise computed by integrating the Fourier and Wavelet methods [PDF]
, 2008 This paper presents a new gearbox noise detection algorithm based on analyzing specific points of vibration signals using the Wavelet Transform. The proposed algorithm is compared with a previouslydeveloped algorithm associated with the Fourier ...
Forcelli A. +2 more
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Reliability Design and Experimental Development for High-Power Electric Driving Wheel Gearbox
Jixie chuandong, 2016 The wheel gearbox is a key component of Multi-axis super-heavy hybrid test platform,for the special nature of the application,on the one hand to meet the requirements of vehicle wheel power transmission requirements,while also meet lightweight and high ...
Zhang Lei +8 more
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Journal of Machine EngineeringIn order to build a two-stage helical gearbox (THG) with first stage double gear-sets (FSDG), the multi-criteria decision-making (MCDM) method is introduced in this research as a new approach to solving the multi-objective optimization problem (MOOP ...
Van-Thanh Dinh +5 more
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Helicopters as a Theme in a Machine Design Course [PDF]
, 2014 Helicopters as a Theme in Teaching Machine Design A machine design course is required in most undergraduate mechanical engineering curricula.This course generally covers an introduction to mechanical engineering design, a review of materials engineering,
Nagurka, Mark L., Turner, Devin
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Two-Bit Gates are Universal for Quantum Computation
, 1994 A proof is given, which relies on the commutator algebra of the unitary Lie groups, that quantum gates operating on just two bits at a time are sufficient to construct a general quantum circuit.
A. Abragham +31 more
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Gearbox Fault Diagnosis based on Improved LMD and BP Neural Network
Jixie chuandong, 2020 Aiming at the problem of the poor working environment and the fault mode is difficult to identify of the gearbox of military armored vehicles， based on the existing methods， the noise assisted analysis， LMD and BP neural network are combined to apply to ...
Lei He +3 more
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Investigations on the performances of the electrical generator of a rim-driven marine current turbine” [PDF]
, 2014 In this paper, the electrical generator of a rim-driven horizontal-axis current turbine is modeled in detail. Its main characteristics and performances are evaluated (efficiency, mass, cost, etc).
CHARPENTIER, Jean-Frederic +3 more
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Evolution from a hinge actuator mechanism to an antenna deployment mechanism for use on the European large communications satellite (L-SAT/OLYMPUS) [PDF]
, 1984 The evolution of an Antenna Deployment Mechanism (ADM) from a Hinge Actuator Mechanism (HAM) is described as it pertains to the deployment of large satellite antennas.
Death, M. D.
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Jixie chuandong, 2008 The vibration modal of a gearbox is analyzed in detail based on I-DEAS and NASTRAN software. The effect caused by different structure of the gearbox box on vibration modal are studied and discussed.
薛延华, 王志广, 邵滨, 江新
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Influence of Wheel Polygonization on Dynamic Response of Gearbox Housing of High-speed Train
机车电传动, 2017 In order to study the dynamic response of gearbox housing of high-speed train under the excitation of polygonal wheel, a vehicle dynamic model including gear transmission systems and gearbox housing finite element model was set up.
ZOU Hangyu, ZHANG Weihua, WANG Zhiwei
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