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Hardware & Design

Accuracy in Design

What is the best method for tightly controlling accuracy in your design?

Step 1. Determine the scope of the problem

Reliability, Availability and Serviceability

Reliability, Availability and Serviceability (RAS) are related to a products ability to deliver its intended functionality. Essentially how long and how well.

Definitions
Reliability: is the ability (i.e. probability) of a device to provide correct outputs, given a specific operating environment.
Availability: is the likelihood (i.e. probability) of a device to be available for usage at a given time.
Serviceability: is the efficacy of a device to be repaired.

3 Stages of Technology Development

  1. Step 1: Establish goals, attach figures to critical requirements then brainstorm ideas. Sort fixable vs unfixable.
  2. Step 2: Establish detailed requirements and investigate remaining solutions. Get familiar with each technology/solution. Brainstorm implementations. Choose the best solution.
  3. Step 3: Dive deep, test, iterate and establish complete documentation.

Finding the Pattern.

I love graphs, plots and charts. There is something almost magical about their ability to ask a question, analyze it and make a point all in one place.

I think that's why I love to visualize data. I love how powerful the perfect graph can be by allowing you to quickly and deeply grasp a concept (especially for large data sets) by telling a story and using the eye to draw your attention to the right places. Our minds are great at seeing trends and patterns in data when it is visualized.

Calculus: Differential Equations (Part 5 of x)

Preface
This series is aimed at providing tools for an electrical engineer to analyze data and solve problems in design. The focus is on applying calculus to equations or physical systems.

Introduction
This article will cover differential equations using Laplace Transforms.

There is no reference book for this entry.

This also assumes you are familiar with Python or can stumble your way through it.

Calculus: Integrals (Part 4 of x)

Preface
This series is aimed at providing tools for an electrical engineer to analyze data and solve problems in design. The focus is on applying calculus to equations or physical systems.

Introduction
This article will cover integrals.

There are many calculus references, the one I like to use is Calculus by Larson, Edwards and Hostetler.

This also assumes you are familiar with Python or can stumble your way through it.

Calculus: Derivatives (Part 3 of x)

Preface
This series is aimed at providing tools for an electrical engineer to analyze data and solve problems in design. The focus is on applying calculus to equations or physical systems.

Introduction
This article will cover derivatives.

There are many calculus references, the one I like to use is Calculus by Larson, Edwards and Hostetler.

This also assumes you are familiar with Python or can stumble your way through it.

Calculus: Limits of Functions (Part 2 of x)

Preface
This series is aimed at providing tools for an electrical engineer to analyze data and solve problems in design. The focus is on applying calculus to equations or physical systems.

Introduction
This article will introduce limits.

There are many calculus references, the one I like to use is Calculus by Larson, Edwards and Hostetler.

This also assumes you are familiar with Python or can stumble your way through it.

Calculus: Functions (Part 1 of x)

Preface
This series is aimed at providing tools for an electrical engineer to analyze data and solve problems in design. The focus is on applying calculus to equations or physical systems.

Introduction
This article will introduce functions.

There are many calculus references, the one I like to use is Calculus by Larson, Edwards and Hostetler.

This also assumes you are familiar with Python or can stumble your way through it.

Data Storage Solution: Backup & Cloud

Data Availability
Data is usually made available by two means: redundancy and reliability.

Effort has been made to buy reliable hardware. Top of the line SSD, motherboard, memory, CPU and power supplies are used in the server.

Data is made redundant by providing multiple on-line copies of data. This is achieved primarily through a RAID1 mirror and protects against bad sectors and disk failures.

At some point I should add a small UPS to protect against power outages and brown outs.

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