Exercise 10: design analysis

Design Goal order

Weighing factors

Decision matrix

Measurement of vitals

Record user's vitals data

Record user's general data

Provide information of the user's health

Share with others

results

Exercise 9: Hazards Analysis and Failure Analysis

Sensor failure

The sensor as any other device could fail during its lifetime. To avoid so, the data will go through a test to make sure the data make sense. In the case that there is a mistake detected with the data an error in the app will be displayed.

Privacy concern

Since there will be a platform similar to social media there will restrictions on what information to show. Also every time the user wants to post something a confirmation will be needed.

exercise 8: Ethics and Product Liability

Misuses

• Users with eating disorders will know the type of foods that will make then loose more fat
• Abuse/theft of user data and account information

Changes that may occur during the lifetime

• The sensors of the bracelet will not work as effectively approaching the end of their lifetime
• Sensors need to update with time because the body needs change with time. For example, a kid does not eat the same as a teenager

Disposal after the useful life has ended

• The bracelet will be recyclable
• The app should be deleted from the device all the information saved in the app will be also deleted automatically

Exercise 7: synthesis

Morphological chart

Exercise 6: Abstraction and modeling

system model

Deterministic model

• The bracelet will measure the vitals of the user
• As the response, the app will provide the food needed in order to be healthy
• Also, the app will suggest some recipes

Stochastic model

• When the app is first used the user will be asked some question such as age, height, weight and other physical information
• Also, some general questions will be asked: nationality, type of food that the user like, in order to suggest the recipes that better fits every user
• Based on some statistic and medical experience the app will provide information about the food that the user needs to have next
• The results are based in the data collected during the whole day supposing the user wears the bracelet all time

Process model

Descriptive model

• First, the sensors in the bracelet will measure the vitals of the user
• Then all the data is sent to the app
• The app will provide information about the health of the person and what type the food is needed to take next in order to be healthy
• Also, based on the general questions, some recipes will be suggested
• Finally, the user can leave a comment and report the improvement done ion their internet page

Prescriptive model

• The user needs to wear the bracelet all day every day
• The user cannot lie in the questions asked and needs to answer in the most honest way
• The user has to follow the food recommendations in order to achieve the app goal: be healthy

exercise 5: Intellectual properties

This idea it is really innovative and complex therefore, there is not any patent. However, there are some patents in some of the principles of the health app. Some of them are:

• Measurement bracelet

CN105326503A- Human body moisture detection bracelet

US9625441B2- Biological sample measurement device

US20160270736A1- Blood pressure measurement device associated with event

• Recipes app

US20100292998A1- System and method for recommending recipes

US9645007B2- System and method for maintaining recipe ratios when measuring ingredients for culinary combinations

Exercise 4: solution development

Design tasks

The bracelet will have sensors that will measure the heartbeat, the tension and other types of measurements. These values will be sent to the app in the device by Bluetooth. Once the data is saved in the app, thanks to an algorithm the type of nutrients needed will be provided and different recipes and foods will be suggested.

Therefore, the design tasks are:

• Establish a good material for the bracelet that allows the installation of the sensors
• Select the right sensors so the reading is accurate
• Establish a good Bluetooth connection so the data is transferred in the minimum time possible

Design goals and specifications

• Safety: The material of the bracelet cannot be toxic even if we mix it with fluids and since the bracelet needs to be worn every day all day it has to be soft and comfortable
• Environmental Protection: The Bluetooth connection won't be on all the time the sensors are working, only for specific hours. Instead, the bracelet will also count with a memory where all the data will be stored until the information is transferred to the device
• Reliability: The bracelet needs to be tested in all type of conditions since it is going to be used in different weathers and in different situations
• Performance: The performance, which is described above, needs to be as immediate as possible
• Ease of operation or operating conditions: The bracelet needs to be designed to work differently depending on the type of person who is wearing it. Some of the things to look at will be the weight, age , height, allergies, illnesses or lifestyle
• Durability: The material of the bracelet as well as the sensors needs to be resistant with a long life

Elimination of Paths

One of the paths discarded is to exchange the sensors for another type of device for measurement such as stethoscope. This path will have as final product a bracelet uncomfortable since people would fell wearing the bracelet all the time. Also, it would be very uncomfortable for kids.

Exercise 3: Problem Formulation

Problem statement

Change people habits in eating.

Formulating The real problem

Statement-restatement Technique

It consists in identifying the real problem:

• Show people why they should change their way of eating

Source/cause Approach

This approach consists in focusing on the sources or causes of the problem. In order to do that, there are some diagrams such as Why-Why diagrams or Fault Tree diagrams which are very useful

• Why-Why diagram

Kepner-Tregoe situation analysis

• Timing: As it is known, technology has had a great development. Therefore, we should get advantage of this development and apply technology as a tool to make eat healthily easier
• Tend: A few years ago, people started realizing the importance of hearth and started to care more about alimentation. But only a few of these people know what the right alimentation is
• Impact: Hopefully starting to eat healthy leads to a healthier way of life in all aspects

kepner-Tregoe problem analysis

What

People are used to a bad alimentation

When

With the introduction of technology, a lot of people started living a more sedentary lifestyle which led to a life more unhealthy

Who

Everyone

How

Informing people what types of nutrients and vitamins need to have. At the same time, a great amount of easy and delicious recipes are provided

Where

Everywhere, the recipes provided are for all the different cultures

Exercise 2: Needs Assessment

Objective

Help people achieve a healthy alimentation in an easy way

Background

The world is becoming a place where it seems that people don't have time to worry about the important matters anymore. One of these matters is alimentation. With this application, people from all parts of the world will be offered all the tools needed to have a healthy and better alimentation

Methodology

People with the application would be wearing a small bracelet that measures the type of nutrients and vitamins they have in their bodies and in the food they eat. Once done that, the application in their mobile phones or laptops would tell them what are the types of foods that they should have next. In addition, the application will suggest great number of recipes, which will be multicultural

Expected results

People will start to having a better alimentation and they would get used to have all types of foods in an easy and confortable way

Costs

The bracelet will cost around $50 and the application, which will be available for all type of phones and laptops, will be free