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The next step to develop wearable device
2015-09-21
2G wearable devices offer unprecedented ways to improve our lives in many ways, such as productivity, health or lifestyle. They are able to track and provide us with information about our own and our environment, so that we can encourage and help us to make better decisions. Further, they achieve the individual (through the "digital self") and the Internet's link, which enables us to share information with friends or long distance medical experts, whether it is for fun, for advice and suggestions, or instant medical diagnosis.Therefore, the rapid development of wearable devices market is not surprising. According to market analysis firm Insight CCS survey, 2013 wearable device shipments to 9700000 units, the data in 2014 increased to 3 times, reaching 29000000 units, according to the forecast 2015 will increase by 158%, reaching 75000000 units, by 2018 will reach 172000000 units per year.
Figure 1: wearable device market is the fastest growing in the field of Internet of things.
Although the initial growth of the wearable device market is gratifying, but the overall market size is still relatively small, especially with the annual shipments of billions of smart phone market compared to. To promote the rapid growth of the market to achieve its maximum potential, we need to inspire the new second generation and third generation wearable devices.
These devices will integrate more sensors in order to provide more useful information to the user, and have "situation aware" (aware context) characteristics, in order to ensure that only the relevant information. They will open up new uses, such as blurring the boundaries between consumer products and medical devices, to help people better manage their health with medical professionals. These new scenarios will make data security and user privacy become more important.
Wearable devices can play a role only through people's wear, so the longer the better wear. As a result, the next generation of devices is required to provide a long battery life (or to extend the time between the two charge time), while the need to have an elegant shape and wear comfort.
Data integration and situational awareness
The first wearable device is based on a simple 3D accelerometer step into the counter. And then there's a more sophisticated device including pressure sensor and gyroscope. These devices enable the device to recognize the type of activity (e.g., walking, running, climbing, etc.) that the wearer is participating in, and track the sleep cycle. At the same time, the temperature and humidity sensor makes it possible to measure the number of calories consumed by wearable devices such as exercise.
Wearable device integration trend will further accelerate the sensor. In particular, we will see devices integrated with an increasing number of motion and environmental sensors, as well as emerging biosensors. Biosensor has been used in independent can be wearable medical monitor, we have seen the including heart rate measured as a function of the first consumer devices. But in the next few years, consumer devices will be integrated more extensive biological sensors, such as measuring blood oxygen, blood pressure and blood sugar levels in the spectral sensors, and determine sweating levels and pH value of galvanic skin response of the sensor.
Figure 2: we will see more and more extensive biological sensors will be integrated into wearable devices.
Integrated with more sensors have many advantages, the most obvious is that you can increase the function of the device, so that it can measure more parameters. In addition, it improves the accuracy of the collected data. For example, from other sensor information to determine the wear is engaged in the types of activities, contribute to a better choice for processing algorithm of accelerometer data, make tracking more accurate. In addition, combined from many sensor data enable the device to extract more useful to the user information, for example, the use of heart rate and accelerometer data and galvanic skin response to estimate the stress level.
In addition to the above mentioned sports, environment and bio sensors, wearable devices are likely to increase the use of the microphone. But its goal is not to provide more information to the wearer, but to help the device perceive its use context, so as to determine what information is useful for the wearer, and how to transmit the information in an optimal way. For example, if the device "heard" the roar of a jet engine, it can be inferred that the wearer is sitting, and monitoring how long, and then adjust the sleep and exercise recommendations to help the wearer more effective response to fatigue, dehydration and jet lag.
New uses
With wearable devices to collect more data about our environment, they will increasingly become our digital self". This combination of wearable devices and situational awareness (mash-up), to open up many new applications for wearable devices. The possibilities are almost endless. But easy to imagine, wearable devices will become universal access devices, such as open house, office doors and door locks, log on to the operating system. No longer need more keys, but also eliminates the need to remember passwords or carry out and out of trouble.
In home automation, smart entertainment systems can detect who is at home and automatically select TV channels, music, and volume based on the person's preferences. Wearable devices can communicate with each other in the room, the sense of presence, and according to personal preference to adjust lighting and heating, and to open and close them, so that you always feel comfortable and save energy.
Big data: fuzzy consumer electronics and medical
