What is Designing: Definition and 614 Discussions

A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process, or the result of that plan or specification in the form of a prototype, product or process. The verb to design expresses the process of developing a design. In some cases, the direct construction of an object without an explicit prior plan (such as in craftwork, some engineering, coding, and graphic design) may also be considered to be a design activity. The design usually has to satisfy certain goals and constraints, may take into account aesthetic, functional, economic, or socio-political considerations, and is expected to interact with a certain environment. Major examples of designs include architectural blueprints, engineering drawings, business processes, circuit diagrams, and sewing patterns.The person who produces a design is called a designer, which is a term generally used for people who work professionally in one of the various design areas—usually specifying which area is being dealt with (such as a fashion designer, product designer, web designer or interior designer), but also others such as architects and engineers. A designer's sequence of activities is called a design process, possibly using design methods. The process of creating a design can be brief (a quick sketch) or lengthy and complicated, involving considerable research, negotiation, reflection, modeling, interactive adjustment and re-design.

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  1. M

    Can't Stop Designing And Building Things

    I am among other things a farmer who is getting older and having a harder time using my hands. My current project is to make fruit picking easier for myself. Over the years I have built homes, designed and built aluminum fishing boats in Alaska, Banjo's and guitars.
  2. matthieu1973

    Designing best theoretical sax/clarinet mouthpiece ligand

    Hey to all.. I am in the process of designing a ligand for a clarinet mouthpiece for my own use created only out of string material (braided kevlar). For those uninformed (like me a few weeks ago) saxophone/clarinets are instruments where the vibration of the standing wave through the...
  3. K

    Engineering How Does Cup Anemometer Design Utilize Fluid Mechanics Principles?

    First, this class uses Frank White's Fluid Mechanics textbook. This particular problem is taken straight from chapter 7, which is on "Flow Past Immersed Bodies" and is basically focused on external flow, geometry effects, and boundary-layer conditions. So I imagine that the problem makes use of...
  4. Krion

    B Need help designing a clock with a repeating signal

    Hello! I am in need of a clock expert. Just a disclaimer, I am vastly unfamiliar with much of the inner-workings of clocks and need some help. I have only built a simple Graham Escapement clock, previously. I need to build a clock that triggers a single signal to occur three times at equally...
  5. core7916

    Help please designing a Piezeoactuator drive circuit

    I want to actuate the piezeoactuator which is taking more than 100vdc. But i have a sorce of less than 30vdc. Can any one tell me what to do.
  6. core7916

    Designing a 28V --> 200V power converter

    I need to design a circuit which takes around 28V of input and outputs the 200v with 20A. Can any one help me.
  7. D

    Designing a spiral with a certain angle relative to movement direction

    I have a disk traveling on the inner blue track (let's say the blue part is the center of the disk). I want to push the disk outside (as the disk is traveling in a circle) to the outer track. The black part is the wall separating the tracks To that end, I've made some calculations, but I have...
  8. shivajikobardan

    MHB Designing a Markov Model for Coke and Pepsi Purchases

    Design the markov model and transition matrix for the given data. Answer the following questions based on the mode. a) If a person purchase coke now the probability of purchase of coke next time is 80%. b) If a person purchases pepsi now the probability of purchasing pepsi next time is 70%...
  9. D

    Designing a Geneva Mechanism: Overcoming Challenges

    (note: I never studied engineering, but I think I have a good math (and slight physics) background. I'm mentioning this not so you'll go easy on me - if I don't understand something, I'm sure I'll figure it out or find someone to help me decode what you're saying. I'm mentioning this in the...
  10. person123

    Designing Retaining Wall Around Enclosed Area

    Normally when designing a retaining wall, you check for failure due to sliding, overturning, and insufficient bearing capacity. However, if I have a retaining wall which is around an enclosed pit, it doesn't seem reasonable to perform the same checks for sliding and overturning (the retaining...
  11. matthieu1973

    Designing a ripple low PS for DDS function generator

    Hello to all. I am trying to design a ripple free (read as ripple free as possible) power supply (PS) for my DIY DDS function generator. I am (was) in the possession of the hyland 5v to 12v PS which wrecked due to a stupid action on my side, my bad. so i was going to repair it, but i found that...
  12. K

    I Help Designing a Resonance Box for Tuning Forks

    I got these tuning forks from someone. However, I do not have the resonant box for amplification of the sound. I decided to get it made so that I can experience the fundamental frequency (and other harmonics) more clearly. I am planning to provide this design. In summary, the box would be...
  13. GhostLoveScore

    I Designing parabolic dish and feedhorn

    I need to design a parabolic dish. Only requirement is that it's 3m in diameter. Everything else can change. I may seem like a bit confused. That's because I have 50 tabs open about the topic. First thing is I need to calculate dish gain. If I'm going to calculate it according to this equation...
  14. S

    Designing an orifice plate to increase the pressure in a pipe

    say for 3.013bar absolute pressure pressure ratio : P/Po = 14.7psi/43.707psi = 0.33 which means its chocked flow now i want to find diameter or area of orifice : so could anyone help me
  15. P

    Engineering Designing an Integrator Circuit with Given Absolute Gain

    For the integrator circuit, I can design the cutoff frequency and the 0dB frequency as required. Using Laplace transforms, the gain is around ##-\frac{1}{sR1C}##, where s is the complex impedance parameter. But, how do I maintain the absolute value of this gain at 10 for the whole band pass for...
  16. TheArrow

    Misc. Designing a Model Aircraft: Calculating Thrust and Lift for an Efficient Flight

    Hello Everyone, I'm planning on designing a model aircraft that would be powered by an Arduino and electric motor. I'm interested in pursuing an aerospace degree and I figured the best way to get a headstart would be be to dive right into a project. This is also probably overthinking/overdoing...
  17. R

    Medical Question about designing therapies for HIV

    As far as I know, HIV replicates itself at an exponential rate in a base b. For simplicity, let b = 2. For example, if one cell is infected, then HIV makes one copy of itself (since b = 2). And the cell dies to infect two new cells. These two new cells die to infect four new cells and so on...
  18. S

    Designing an Actual Vapor-Compression Refrigeration Cycle

    Greetings! I'm a recent ME grad and I'm trying to design a refrigeration system for the first time. I understand most of the theory and calculations (I guess not, cause I wouldn't be here otherwise), but I'm having difficulty applying it to the real world. Homework problems in college often...
  19. F

    Engineering The connections in designing an I/O interface with output port

    The connections are as follows: The "D" pins are connected to the data bus, the "Q" pins to the device, the "E" control to the block address decoder, the "OE(bar)" to ground. Am I right?
  20. E

    Designing a 600 kg Lifter: Calculating Power Needs

    I have a platform which can lift 600 kg (the platform itself weighs 95 kg so their combined mass is actually 695 kg) at 0.75 m/s up to around 37 m in height at a maximum angle of inclination of 87 degrees. The issue I'm coming across is determining the power required to lift said mass as the...
  21. F

    Engineering What Parameters Are Needed to Simulate a Three-Section Coupler in ADS?

    For a maximally flat three-section coupler, by setting the nth derivative of C with respect to theta to 0 then solving the resulting system of equations, I got C1 = C3 = .0125 and C2 = .125. I’m not sure where to go next. What other parameters do I need to calculate before working in ADS? Any...
  22. J

    Electronics Designing a buck converter with feedback and a regulated output

    I had a bunch of questions regarding the feedback component as well as the feedback mechanism itself. 1. I am using the attached schematic as reference for my design. As per the LM2576 module data sheet, it can handle a maximum current of 3 A whereas I need the IC to handle at least 15 A...
  23. Ntip

    Designing Balancing Resistors for Series Capacitors: Factors Affecting IR

    I am lookin designing balancing resistors for series capacitors and understand that I need to consider the leakage current from the capacitors. I am trying to determine factors that would case the insulation resistance to decrease over time so I can design around that.
  24. dejan95

    Help with designing a tool to hold a work piece (work piece jig)

    I have just started my first job (mechanical engineering design) after graduation. As my first "big" project I need to design a work station. On this station i need to create a tool which will hold my work piece (a motor) in place. I would love to hear your insight. Because the bottom part of...
  25. F

    Admissions Designing interviews for PhD studentships

    Faculty looking for tips of designing PhD studentship interviews. Can there be more than 1 interview for each candidate, which is more common a practice in industry? How to determine the timescale: when enough applicants in the market have reached out to us for us to start interviewing? How to...
  26. E

    Help designing an electrical circuit for camper van

    Hi everyone Hopefully I am not out of line posting in this forum. I am looking for some advice planning the electrical system for my camper van. I know very little about electrical circuits and all related to it, and after 4 days of research I am still nervous to spend a lot of money and...
  27. H

    Designing a DC Motor Torsional Spring Circuit with Arduino Uno

    I'm a relatively new entry into the world of electronics so my understanding of what is possible may not be an accurate one. In a nutshell, I would like to have a DC motor act as a torsional spring with some variable virtual spring constant (k). The motor, or "spring", would act against an...
  28. T

    COVID Guide to Designing Low Cost Ventilators for COVID-19

    It's a 15 minute video showing and explaining some of the non-obvious reasons that the $50 ventilators don't work. For some of the low-cost designs see: https://makerfaire.com/maker/entry/71747/ Cheers, Tom
  29. HansBu

    Solving Diff. Eqn & Designing Circuits: An Understanding

    where: 𝑣𝑖𝑛(𝑡)=0.3𝑐𝑜𝑠100𝑡 I have read all over the internet that this differential equation can be solved by isolating the term with the highest degree on one side of the equation. After doing so, I integrated it. However after integrating, I don't know that the next step is. Can anyone help me...
  30. Boltzman Oscillation

    Help designing a self guided automatic 3D printer

    All in the summary, can't copy paste on phone :(
  31. Robert House

    What's the best software to use when designing 2D floor plans for structures?

    What's the best software to use when designing 2D floor plans for structures?
  32. garthenar

    Engineering Designing an adjustable voltage source using only resistors and a pot

    I need to create a powersupply that takes in a +5 and -5v and has an adjustable output that varies between -2 and +2 v using one potentiometer. I already came up with a design myself but it did not work. I need some help figuring this out. I think my idea for how to get specific positive or...
  33. felipe_damascena

    Engineering Create a Sine Wave Circuit Design for Inverting Voltage | Step-by-Step Guide

    Summary: I want to design an electronic circuit that takes an sine wave as input and output a different wave I want to design an electronic circuit that takes a sine wave as input(Vi) and it outputs a different wave (Vo). Vi goes from +5V to -5V Vo is constant with the value of three, when Vi...
  34. kunalvanjare

    Designing an Automatic Coolant Monitoring System for CNC Machines

    Hey guys, I am designing a system that would monitor the coolant tanks of about 10 CNC machines through a centralized system consisting of valves, a pump & a refractometer. The system would be connected to the tanks through fixed piping in the plant. A pump would draw small amount of liquid...
  35. Haorong Wu

    I Is there a procedure for designing some quantum circuits?

    In Nielsen's book, the chapter of quantum circuits does not describe explicitly any procedures to design a circuit. For example, given the matrix of Fredkin gate, ##\begin{bmatrix} 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1...
  36. S

    Auto/Motor Designing a fuel tank, need advice

    Hello everyone, So, I want to make a fuel tank for a motorcycle with a glass window in it. I have seen a custom bike with a completely pyrex tank, so I know it's not impossible. My current questions are: Are there any important regulations for fuel tank construction which I will need to...
  37. V

    Electrical Designing an off grid power plant

    Hello! I have some plans that i want to share and get some feedback on before i start construction and buying parts. I have some land next to a lake that i can build a dam with head of 30m around 10000m2 and almost 50000m3. I am thinking of solar panels and wind turbine to generate electricity...
  38. H

    Design Gearbox #3: Get Help & Expert Advice

    Please help. I am design number 3.
  39. M

    Question about Designing EMG data acquisition

    Hello I'm working on project called"design & implementation of EMG data acquisition",after I search on these systems i really confused about what the gain and the filter type that i have to use. at the first stage i use instrumentation amplifier to amplify the signal, so how much the gain of...
  40. V

    Designing Car Floatation Devices: What Alternatives to Sodium Azide?

    I need to make the design of car floatation devices. In my case, the airbag/raft is for floating the car in case of floods. I am considering to use Sodium Azide, just like in car airbags, but it inflates very fast and shrinks in a short time. Is there any other chemical reaction that can produce...
  41. SilverJW

    I Designing Rehabilitation Equipment for an Upper Limb (arm)

    Before I ask my question, here's a little introduction of myself. I am a college student studying in Bioengineering, so I've been tasked to create an equipment to help rehabilitation for upper limb (any point of the upper limb, doesn't have to be the entire upper limb). So I have this initial...
  42. S

    Designing circuits after 101 class

    Im just finishing up my first digital electronics class right now. I know how to design the logic for basic circuits and some slightly more complex ones. I don’t quite understand how to design actual circuits for a few reasons. 1.) When we design “circuits” in class, we just draw them without...
  43. Ahmed XMEDOX

    Thermodynamics: Designing a hydrocooling unit

    Homework Statement A hydrocooling unit can cool fruits and vegetables from 30 to 5 C at a rate of 20,000 kg/h under the following conditions: the channel is 3 m wide by 90 cm high. The water is circulated and cooled by the evaporator section of a refrigeration system. The refrigerant...
  44. K

    I Designing a Car with Multiple Boxes: Free Body Diagrams

    hi, i am studying about design the box carried on car. i am really stuck in how to draw free body diagram for when 3 or more boxes stack together on car running and braking. there are many example with 2 boxes but i don't know why i can't find any case with 3 or more boxes thanks in advance
  45. Jayalk97

    Problems designing an FIR band pass filter on MATLAB?

    Homework Statement So I've been tasked with designing and band pass filter for my signals class. We're given the specifications that it needs to go from 200-5000Hz, and we need to use a kaiser window as the window function. Homework Equations There are 2 parameters, beta and N, given by these...
  46. M

    What is an opamp that is suitable for designing a sensor?

    I am finding a dual supply op-amp which has rate of voltage dropping to be low , input resistance is high about 30 -100MOhm and input offset voltage is low. All of them serve me to design a sensor that is pH sensor. Can you give me some your ideas for choosing ? Thank you !
  47. C

    Designing a 2-bit full adder using nothing but NAND gates?

    Greetings, I just wanted to post a 2-bit full adder I have been working on and which I think is my final design. I wanted to ask if there was any way that I could make it with less logic gates? Any advice is appreciated!
  48. C

    Designing Butterworth LPF to Meet J211 Specs with ADXL377 Sensor

    I am a student trying to design a Butterworth LPF to meet the class 1000 specifications, by SAE J211 (https://law.resource.org/pub/us/cfr/ibr/005/sae.j211-1.1995.pdf). My sensor is an ADXL377 accelerometer with analog output. My filter requirements (from J211) are fp = 1000Hz (Pass band...
  49. peroAlex

    Designing a 2-bit Comparator with NOR gates

    At our class on digital structures, this assignment has been given. It's a preparation for upcoming lab work, and I'm not sure my design is correct. Is anyone please willing to check it out? 1. The problem statement, all variables, and given/known data Design a two-bit comparator using NOR gates...
  50. H

    Designing a Spacecraft any tips?

    I've been working on this passion project for a couple of years now and was wondering if you guys have any tips all I can say right now is.Its lunar capable,going to carry 8-10 crew and 2 landers or cargo,reusable,and easily modifiable for Earth orbit operations.