Posted inDIY Projects
Posted inEngineering Economics
Interest Periods
Normally, but not always, the interest period is taken as 1 yr. There may be subperiods of…
Posted inEngineering Economics
Present Worth
Present worth is the value found by discounting fu-ture cash flows to the present or base time.…
Posted inEngineering Economics
Interest Factors
Interest factors are multiplicative numbers calculated from interest formulas for given interest rates and peri-ods. They…
Posted inEngineering Economics
Interest Calculations
Interest is the money paid for the use of borrowed money or the return on…
Posted inEngineering Economics
Cash-Flow Diagrams
It is difficult to solve a problem if you cannot see it. The easiest way…
Posted inEngineering Economics
Cash-Flow Concepts
Cash flow is the stream of monetary (dollar) values— costs (inputs) and benefits (outputs)—resulting from…
Posted inEngineering Economics
Engineering Economics: Meaning and Characteristics
Meaning of Engineering Economics: Engineering is the profession in which knowledge of the mathematical and…
Posted inElectrical Drives & Controls
Variable Frequency Drive or VFD
It is interesting to know that the first A.C. drive (400 HP) based on thyratron cycloconverter-fed WRIM…
Posted inElectrical Drives & Controls
Servo Motor Applications in Robotics Solar Tracking System etc
Servo motor mechanism is used in a large number of applications which are critical in…
Posted inElectrical Drives & Controls
Servo Motor Controller or Servo Motor Driver
A servo motor controller is a circuit that is used to control the position of…