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Project Specifications John Ayers

Project Specifications John Ayers

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Project Specifications John Ayers

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  1. Project SpecificationsJohn Ayers .

  2. Specifications (defined) • They list the requirements that the project must meet. • There are different types of specifications, including those for hardware and software.

  3. Specifications (explained) • A key concept underlying the specifications is that any competent engineering team should be able to design a device that performs the function that is desired. • Specifications determine what is to be built, but do NOT provide any information about how to build the device.

  4. Specifications (warnings) • In general, you should NOT specify any components. • However, if you are modifying an existing devicehardware or software you must describe the current device in as must detail as possible.

  5. Format for Specifications • Should be typed and written in third person • Should include the following three parts: - Title page - Introduction and Overview - Technical Specifications

  6. Title Page a. Course name (ECE 290) and term b. Project Title: Specifications c. Team Members d. Project Sponsor

  7. Introduction and Overview • State the purpose of the project clearly. - Why are you building the device? - What will the finished device do? • Describe the project carefully. - How will the device operate? - What is unusual about the device?

  8. Technical Specifications This section contains, in a tabular form, all of the facts and figures needed to undertake the design project.

  9. Specifications Format (example) Electrical Parameters Battery Life 6 months (continuous use) Display: Number of Characters 30 (minimum) Size 2’ min. height x 1.75’ min. width Illumination Visible in strong sunlight

  10. Specifications Format (cont.) Electrical Parameters (cont.) Transmitter Range 100-1000 feet Physical path data transmission through walls

  11. Specifications Format (cont.) Electrical Parameters (cont.) Operating Voltage Levels Current Capabilities Input and Output Impedances Gains Input/Output Power Power Consumption Precision …

  12. Specifications Format (cont.) Mechanical Parameters (sample) Button: Size 5” x 5’’ (min.) Actuation Force 0.001 N (max.) Weight: 5000 lbs. (max.) Durability: Should survive 10-ft. drops.

  13. Specifications Format (cont.) Environmental Location Basement (6’ underground) Temp. Range -40 to +700 F Storage temp. -273 to 1000 F Moisture? Corrosive liquids? Vibrations?

  14. Specifications Format (cont.) Software Execution time 34.5 seconds (max.) Termination/Reset 1 button Interrupts Standard ^C Memory 4.5 MB Platform Windows PC

  15. A Final warning: Be Specific!