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. O

    Designing: Roll Cage with CAD+FE, Testing New Materials

    I am designing a Roll Cage (Using CAD+FE) and trying out new materials for testing/analysis. Commonly used materials i found are: * CDS Carbon Steel * ERW Mild Steel * DOM Mild Steel * Cr (Chrome Molybdenum) Steel * T-45 * 1020 Grade Mild Steel CDW Anybody...
  2. I

    Engineering Designing a circuit from a transfer function [linear control]

    Homework Statement Linear Control Systems - 2006 past paper If I wanted to design a controller with a transfer function of the form \frac{5(s+0.5)(s+2)}{s(s+10)} How would I go about doing so? Homework Equations A constant gain is given as a constant A differentiator...
  3. S

    How Can You Design an FM Radio Receiver to Favor One Station Over Another?

    Homework Statement Designing an FM Radio Receiver. You enjoy listening to KONG-FM, which broadcasts at 96.6 MHz. You detest listening to KRUD-FM which broadcasts at 96.5 MHz. You live the same distance from both stations and both transmitters are equally powerful, so both radio signals produce...
  4. C

    Designing 24V 3A Charger - Circuit Ideas

    I'm designing a 24V charger at 3A.Can you show me any circuit?Thanks
  5. T

    Designing Spur Gear System for Robot Wheel Base

    I am building a robot for a design class. Part of the design includes a wheel base to drive the robot forward. To accomplish this I was going to attach a spur gear system to a wheel axel and drive the input gear with an electric motor. The gears themselves will be made out of acrylic and cut...
  6. C

    Designing a Car Jack - Best Type & Tips

    Designing a car jack? I have been set a design project in which i am to design a car jack. i am really having trouble starting...so could anyone tell me which kind of car jack would be the best/easiest to deisgn (ie: scissor jack etc - but not a hydraulic one), and also what is the best way to...
  7. B

    Designing a Parallel-plate capacitor

    Homework Statement Desgin a Parallel-plate capacitor with capcitance 47.0 pF and capacity 7.50nC. You have available conducting plates which can be cut to any size, and plexiglas sheet unsulation which can be cut to any size and machined to any thickness. Plexiglas has a dielectric constanr...
  8. benzun_1999

    Designing a Small Location Detection System with RFID Tags

    hi, i need help... i am planing to design a small location detection system within a room using RFID tags or some resonace technique. Each object must have a unique identification code. I intend to place 4 detectors like Satellites to determine the exact position of the object... I need...
  9. K

    Need help in designing cylindrical robot arm

    I'm currently designing the mechanism for a basic cylindrical robot arm. It must be capable of lifting max 2kg of item. The robot arm looks like ST Robotic R19 model. It moves in X and Z direction plus rotation at base and arm. The robot should looks like the attachment below. Can u please...
  10. P

    Designing a most powerful/efficient vacuum

    I'm wondering what is required in terms of design and materials in order to produce a vacuum that is powerful and efficient. I need a vacuum powerful enough to hold a 30 pound weight on a vertical wall (and move around on the wall with wheels)
  11. T

    Advice needed on designing an electronic car finder

    ideas for EE design project Me and my partner are currently looking for ideas we can implement in a 10-12 week period. Some ideas we chose from our lecturers list are * car finder - when you can't find your car in the parking lot. * audio delay system - for movies that may have a...
  12. X

    Designing Directional Couplers for Broadband HF-UHF

    Hi all, Has anyone got any good tips on broadband (HF->UHF) somewhat physically compact directional coupler SWR / directional watt-meter designs? I'm also looking for equations or quantitative design parameters relating to their design and operation. Two use cases are of interest...
  13. D

    Engineering Designing a Circuit: Choosing Resistor Values for V = 5.5V

    Homework Statement Choosing from the following resistors values (they may be used more than once), set is, R1, R2, to obtain V = 5.5 V [1 kilo ohm, 3.3 kilo ohm, 4.7 kilo ohm, 10 kilo ohm] The Attempt at a Solution I wasn't actually sure how to attempt this problem my textbook didn't...
  14. S

    Designing a Distillation Column

    If you were to design a distil col and didn't know the feed conditions how would you go about starting. You know xd, xb, xf, R, Eq data. Theres 5 potential q's. Also how would u make enthpy diagram for PS. Thanks.
  15. Z

    Designing an Electro Magnet to Lift 1Kg Weight Precisely

    :redface: 1. i need to design an electro magnet that can lift a 1 Kg weight vertically with the minimum cost possible ANYONE GOT ANY IDEAS and i need it to be very presize i mean the measurements thanx
  16. honestrosewater

    Designing for diverse cultures

    I was just reading the http://developer.gnome.org/projects/gup/hig/" closes with a list of some common things to avoid: Does anyone know the reason behind the last one? Why and to whom might depicting only hands or feet be offensive or suggest something probably unintended? I can't think of...
  17. K

    Designing an Air-Powered Car: Seeking Advice

    hey guys! i need your oppinion and advice/suggestions on somthing. My group for university has to design and build a small model car within the dimensions (300x300x700) mm that runs on air, using a dustbuster motor. i don't have the model name but we can assume the motor we're dealing...
  18. T

    Generaly when designing mealy or moore ckts when to pick which?

    Homework Statement Not really a HW question but say we follow the steps in converting a state diagram down to its excitation table - how do we determine whether the best ckt implementation would be best implemented with either a mealy or a moore system Homework Equations mealy : state...
  19. S

    Designing a Vehicle Powered by One Rubber Band to Transport an Egg

    i need some help. i am supposed to design a vehicle that is powered only by one standard rubber band to transport an egg to the greatest possible horizontal displacement without breaking the egg. the vehicle can't have any rotating parts. must be constructed from basic parts (ie not...
  20. K

    Electronics - Designing a ciruit

    Homework Statement Given an ideal power supply of 15 V and a load of 5 kilo ohms, design a circuit using 2 resistors in which the current flowing through the load is close to 2mA Homework Equations None given (I'm assuming V=IR) The Attempt at a Solution I'm a bit confused...
  21. mattmns

    Number Theory: Chinese Rem. Thm. - Designing a numbering system

    Here is the exercise from the book: -------- You are asked to design a system for numbering TV programs to facilitate the programming of VCRs. Each program should be assigned a number so that a VCR can determine the day of the week, starting time, ending time and the channel of the program...
  22. B

    Need help designing a Arithmetic Bit Slice Unit

    Need help designing a Arithmetic Bit Slice Unit... Homework Statement I need to design a Arithmetic Bit Slice unit built upon a full adder that performs the following operations on two bit A and B and carry in Cin. A + B A-B A+1 A-1 B+1 B-1 B A 0...
  23. T

    Designing a Motorized Chalk Eraser to Reduce Effort

    well,im thinkin of designing an eraser,specifically the conventional chalk eraser, that can act like a vacuum cleaner,in the sense that i would have to put a motor in it,for the reason that the user would have to use a lesser effort for him to erase something,nd no chalk dust...well u could say...
  24. B

    Help designing a RC passive high pass filter

    Homework Statement I was asked to desing a RC passive high pass fiilter with a cutoff of 3KhZ. Homework Equations The formula for Fc = 1/(2piRC) The Attempt at a Solution I set 3kHz = (1/(2piRC)) but am not sure what to do next. Do I pick a random cap or resistor value and...
  25. C

    Designing folding legs for a bunk bed .

    Designing folding legs for a bunk bed... Im having trouble finding a suitable hinge mechanism which would allow 2 legs under a bed to be locked and pulling them down into a vertical position they would lock. Does anyone have any ideas or links to a suitable hinge design. Thanks
  26. F

    Designing a Mousetrap Car with Weapons for Physics Project

    Homework Statement Imagine a mousetrap car with weapons, and that is my physics project for you. It is essentially a 8 foot long hill (8% grade on each side), with opponents' cars facing each other, racing up, and trying to go over the crest and force the oppenent's car backwards or off...
  27. I

    Need help designing a Diffusion experiment

    Homework Statement Doing a science project for school. I have a fish tank and a divider separating one colored liquid on one side and another colored liquid on the other. I need it air tight initially, but will later remove the divider to allow the liquids to mix, demonstrating diffusion...
  28. A

    How Can Physics Students Measure a Runner's Acceleration Using Simple Equipment?

    Homework Statement A world-class runner can complete a 100 m dash in about 10s. Past studies have shown that runners in such a race accelerate uniformly for a time tu and then run at constant speed for the remainder of the race. A world-class runner is visiting your physics class. You are to...
  29. T

    Designing a 13 Second Flight with a Rubber Band

    im to design something, a plane, or any kind of material to let it stay from the time of release up to it falling into the ground for 13 seconds provided that it is powered by a rubber band... i'm having a hard time thinking about it, having it stay in mid-air longer than usual, and just want...
  30. E

    Help with designing thruster for rov.

    Hi there, I plan to build a ROV, and am currently looking at different methods of propulsion. I do not wish to use `o` rings or seals and have considered magnetic coupling for the propellor to the electric motor, or even hydraulics. Cost is an issue. Would appreciate any advice on building a...
  31. Ivan Seeking

    Bug DNA kits for designing your own bugs

    ...the puppy that never grows old, bug DNA kits for designing your own bugs, Control Genes [found in every dictator], Orangutans who can speak English, Spanish, or Japanese, and ear enlargements for improved hearing are just a few of the wonderful new products available from Michael Crihton's...
  32. N

    Design Manometer: Calculate Inclination Angle 0-45° for 7875pa -3200pa

    Basically our task is to design a inclined manometer. with these parameters : the maximum pressure: 7875pa minimum pressure: -3200. what I am struggling on is calculating the angle that the manometer should be inclined at. Another parameter that is given is that the angle must be between 0-45...
  33. S

    Help Designing Digital Elevator Simulation

    I need some help designing a Digital elevator simulation using multi media logics. I need some help and guidelines as to how I should get the thruth diagrams, kmaps and the circuit going. I am required to design a digital circuit which has applications in elevator style controls. My circuit...
  34. C

    Designing a bunkbed for a caravan

    Im designing a bunkbed for a caravan and I am struggling to find information about certain mechanisms I could use to support a folding bed against a wall. Please could you offer me some links and advice. Thanks.
  35. M

    Designing a Rocket Car for Maximum Distance

    need urgent help! I have to make a rocket car - powered by a balloon - demonstrating Netwon's Third Law. It must be made with a styrofoam meat tray for the base and wheels, and a straw to blow up the balloon. How can i design it so it goes the furthest distance? What shape should the base be...
  36. C

    Designing a bunkbed for a caravan

    I have been given a project to design a bunk bed for a caravan. This must in some way be stored when not in use against the wall and fold out over the permanent lower bunk or could perhaps be integrated into the lower bunk as a sandwich design and could be moved up and fixed into position when...
  37. M

    Designing an experiment, i no how, just need a formular

    here is the task; Design a labatory experiment to investigate how the range of a projected object depends on the angle of projectory and find the optimum angle i was thinking of getting dome tubing, and ataching a preasurises CO2 canister (fire extingiser basicaly), and put something in...
  38. U

    Designing a Dry Sump System: Help and Advice Needed

    hi to anyone and everyone. i am thinking of using a dry sump system, there is no kit available for my application, so i would have to design my own sump. could anyone help in this area please. any help/advice greatly appriciated. many thanks
  39. E

    Designing a UART Counter for Receiver Unit

    This is a UART problem, we need to design a counter for the receiver unit. And the specs go like this: system clock is 20 MHz, while data arival frequency is 2MHz, also I need to assert a STOP_RECEIVING signal once all data is received. And of course, data has a start bit and a stop bit. And...
  40. J

    What Chip Can Drive High Frequency MOSFETs for AC Square Wave Generation?

    Hello All, Can someone give me some suggestions for a chip that can drive some high frequency mosfets to create an AC square wave? I am designing a circuit that pulses the voltage from a capacitor into some coils I am working with but I need the square wave to be AC and not DC. I want to use...
  41. J

    Designing a Circuit in PSPICE for Fast Bidirectional Switching

    Hi, I'm designing a circuit in pspice and having some trouble with the switching. In my circuit in pspice I'm using an ideal voltage controlled switch model "S" and using a vpulse to control it. My current through the switch needs to be bidirectional, and maxing around 80mA with an average...
  42. L

    Designing a Differential Oscilloscope Preamplifier

    im designing a preamplifier, but my waveform is sweeping at around 2.5 volts, as the is a preamplifier it should be swinging around 0.0 volts. Does anyone know would to fix this problem? i am only using discrete components no ic's as this is one of the specs. the specs are as follows: 1...
  43. G

    Designing a Mechatronics-style Program?

    I'm currently set to enter an engineering program at a college nearby next fall. The college has mechanical, electrical, and software engineering programs, but no mechatronics program. Unfortunately, I really do not have the option to attend another college that does have this program (for...
  44. L

    Designing and building a mass spectrometer.

    I am a double major in EE and physics and I was thinking that a great senior project would be to design and build my own mass spectrometer. I would not only like to build the basic device, but also calibrate the device so that it provides the m/q value based on the radius of curvature caused by...
  45. A

    Is It Possible to Design and Build a Feasible Pulse Generator for Home Use?

    This is not homework please do not move it to the homework section. I need a pulse generator for an experiment I want to conduct at home... but I don't have that kind of money so I am trying to design and build one. I am trying to see if the type of pulse generator I need is even feasible...
  46. wolram

    Designing a Custom Chain Case for Bike Rebuild

    The rebuild of my bike is well under way but i have hit a snag, i decided to convert the primary drive from chain to belt drive, all the parts are under construction, the problem is the origonal housing is 3/8 to narrow, and these housings are notorious for leaking oil any way, the oil comes...
  47. G

    Designing an Acoustic Modem for an AUV

    Hi, I'm making an AUV and need to design my own acoustic modem. Now, after hours of research I found these PDFs (attached). In theory, can I remove the signal generator from XXXXPinger.pdf, add a DTMF encoder and then use a build the transducer as described in bender2.pdf to transmit the...
  48. D

    Designing Audio Amplifier with BJT and MOSFET Components

    Hi, I'm new here. can somebody put here an a schematic of Class AB, D,G or T. I need an audio amplifier that work with bjt and mosfet simultaneously, i think that kind of amplifier is class g, but I'm not sure,for example i saw an 5000w amplifier with 2sc5200 and his pnp pair working with...
  49. D

    How Can I Create a Unique Physics Experiment for My Summer Project?

    Hey. I've been given the opportunity to perform a physics experiment this summer, and I have free range over what type of experiment I choose to perform. I'm sure most physics majors wouldn't have a problem designing a project, but I am finding the task really difficult. So far I've only...
  50. H

    Designing a Remote Control: Beginner's Guide

    Has anyone here happened to design a remote control... I am just into it...so i am looking for information to understand how can we go about doing it..
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