One of the most significant and effective criteria in the process of cutting dimensional rocks using the gang saw is the maximum energy consumption rate of the machine, and its accurate prediction and estimation can help designers and owners of this industry to achieve an optimal and economic process. In the present research work, it is attempted to study and provide models for predicting the m...

This paper reports design, fabrication, and gait planning based on high walk diagonal trot gait pattern of an alligatorinspired robot having eight degrees of freedom. Each leg of the robot described in this paper has two revolute joints representing the hip and knee respectively which are actuated by servo motors. The body of the robot was fabricated on a CO2 laser cutting machine. The 3D leg d...

IT performance measurement is often associated by chief executive officers with IT cost cutting although IT protects business processes from increasing IT costs. IT cost cutting only endangers the company’s efficiency. This opinion discriminates those who do IT performance measurement in companies as a bean-counter. The present paper describes an integrated reference model for IT performance me...

The 1960s were an exciting time – at least for macroeconomic modelers. An impressive new kind of macroeconometric model was entering central banking, and cutting-edge central banks were beginning to analyze policy as a problem of optimal control. The December 1965 edition of Time, the popular U.S. news magazine, has Keynes on the cover, quotes the experts of the day extensively, and is almost g...

In current global competitive market, manufacturers must set up an efficient supply chain and network to cut cost. Each company aims to supply the right quantity of products to customer in right place and at right time with right cost. Each supplier must respond to the short life-cycle and quick response need for the terminal products. To satisfy the varying customer demand is one of the most i...

In this paper, an enhanced mathematical model is presented for the prediction of cutting force system in ball end milling of sculptured surfaces. This force model is also used as the basis for off-line feed rate scheduling along the tool path in order to decrease the cycle time in sculptured surface machining. As an alternative for setting a constant feed rate all along the tool path in rough m...

Given a convex polyhedron P of n vertices inside a sphere Q, we give an O(n)-time algorithm that cuts P out of Q by using guillotine cuts and has cutting cost O(log n) times the optimal.

Modern mechanical engineering is characterized by high energy consumption, which specific share of cost can reach from 15 to 25%. The task research energy-efficient technological methods processing, will reduce the and duration production cycle.As a criterion for optimizing machining process, it proposed use quantitative indicators intensity cutting. feasibility using strengthening in process m...

the investigation was conducted on wet and dry seasons of ethiopia during the year 2012/2013 at wondo genet agricultural research center nursery site. four levels of cutting size and three levels of cutting positions were arranged in randomized complete block design with three replications. data on seedling height, branch number/seedling, root number/seedling, root weigh/seedling, root length/s...

Optimization of process parameters is the key step in response surface methods to achieve high quality without cost inflation. The multi-response optimization of the machining parameters viz, chip-tool interface temperature, main cutting force and feed force on lathe turning of En-31 steel as alloy steel using RSM with grey relational analysis is reported. A grey relational grade obtained from ...