This paper presents a new multi-objective Time-Cost Trade-Off (TCTO) model for Critical Chain Project Management (CCPM) networks. The presented model helps crashing a project with little, or no, additional cost. As combinatorial optimization problems' finding optimal decisions are difficult and is time consuming; considering the number of possible permutations involved for TCTO optimization, th...

Based on the mean and the standard deviation of lead time demand, and also taking the difficulty in measuring shortage cost into consideration, we investigate the joint decision problem of continuous review inventory in which a service level constraint should be satisfied. Under the assumption of controllable lead time and setup cost, a mathematical programming model is established. The objecti...

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With the aim of reducing cost of electricity consumption and peak load reduction, tools requirement for better managing electricity consumption have become inevitable in recent years. Smart home has some equipment which are controllable and this ability is used for increasing comfort and minimizing electricity cost for residence. As a key component of smart home , Electric Vehicle(EV) ,increase...

Delays in completing the Kelapa Dua shop-house construction project at CV. Mentari permai is a problem that often arises and affects overall work. The purpose of this research to determine critical path, calculate costs incurred with duration initial accelerated work percentage achievement shop Mutia Enchantment Nature. To overcome these delays, several control methods are used management. Crit...