نتایج جستجو برای: composite drive shaft

تعداد نتایج: 214293  

Journal: : 2022

Abstract In this paper, we simulate the operation of a spading machine on three soil types; easy to work, medium work and heavy, using previously validated SimuLink model an MSS-1.40M machine. We determine forces during spading. explore physical mechanical properties that play role in process. By simulation process with machine, torque drive shaft required types.

Journal: :IFAC-PapersOnLine 2022

This paper presents a gain-scheduling wind-turbine control strategy to mitigate the effects of adverse weather conditions on degradation drive-train. By choosing suitable gain according wind class, it is possible establish trade-off between generated energy and drive-train degradation. The dissipated in mechanical transmission used as an indicator modeled flexible shaft using nonlinear dynamics...

Journal: :Processes 2023

The working conditions and environment of coal mine shafts are intricate special. Currently, manual inspections or fixed-point monitoring is generally applied for daily safety monitoring, intelligent automated inspection equipment its supporting technologies not available. Starting from the technical requirements electromagnetic adsorption device wall-climbing robot shaft, based on structural c...

1998
Jette Randløv Preben Alstrøm

We present and solve a real-world problem of learning to drive a bicycle. We solve the problem by online reinforcement learning using the Sarsa( )-algorithm. Then we solve the composite problem of learning to balance a bicycle and then drive to a goal. In our approach the reinforcement function is independent of the task the agent tries to learn to solve.

2016
Hengyu Li Liang Wang Tinghai Cheng Meng He Hongwei Zhao Haibo Gao César M. A. Vasques

A high-thrust screw-type piezoelectric ultrasonic motor with a three-wavelength exciting mode is proposed in this paper. The motor mainly includes a stator and a screw output shaft, and the stator is composed of twelve rectangular piezoelectric plates and a hollow metal elastomer with an internal thread. The stator can be excited to generate the combined micro ultrasonic vibration mode. With th...

2016
Suneeta R Srinivasan A Ramachandran

Recent trends in Radio Telescopes deploy BLDC motors for their 2-axis rotation. BLDC motors implement electronic commutation by avoiding carbon brushes and mechanical commutation. Resolvers mounted on rotor shaft of BLDC motors form good sensor feedback and work in-conjunction with RDC and FPGA interface to implement speed and position control. Brushes in DC torque form an important source of a...

Journal: :the archives of bone and joint surgery 0
asgar elmi shohada teaching hospital, tabriz university of medical sciences, tabriz, iran ali reza rohani shohada teaching hospital, tabriz university of medical sciences, tabriz, iran ali tabrizi shohada teaching hospital, tabriz university of medical sciences, tabriz, iran

background:   although intramedullary nailing (imn) is an established and accepted operative treatment for femoral shaft fracture in patients younger than 60, there is a lack of data on the results of this treatment on those over 60. the purpose of this study was to determine if the outcome of imn for femoral shaft fracture in elderly patients is also acceptable. particular challenges in this g...

2012
Krzysztof Szabat Teresa Orlowska-Kowalska

The control problem of the two-mass system originally derives from rolling-mill drives (Sugiura & Hori, 1996), (Ji & Sul, 1995), (Szabat & Orlowska-Kowalska, 2007). Large inertias of the motor, rolls and long shaft create an elastic system. The motor speed is different from the load side and the shaft undergoes large torsional torque. A similar problem exists in the field of conveyer drives (Ha...

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