Future Tech
The major objective of the technology is to provide a signal synchronization device, as well as a stethoscope, an auscultation information output system and a symptom diagnosis system capable of signal synchronization, which may provide synchronization for an electrocardiogram (ECG) signal and a heart sound (phonocardiogram, PCG) signal, such that both signals are synchronous in time domain. Another objective of the technology is to provide a signal synchronization device, as well as a stethoscope, an auscultation information output system and a symptom diagnosis system capable of signal synchronization, which may increase a diagnosis rate for a cardiovascular disease effectively. The proposed intelligent stethoscope has been conducted human trials in NCKU and Tainan Hospitals.Heart-sound (phonocardiogram, PCG) auscultation is a rapid and fundamental technique for examining the cardiovascular system. The main components of PCG are the first (S1) and second (S2) heart sounds. Discriminating these heart sounds under the presence of additional heart sounds and murmurs is difficult. To recognize these signals efficiently, this project proposes a monitoring system with PCG and electrocardiogram (ECG). A software application is developed on smartphones for heart-related signal recording, display, and identification. Doctors may refer to these physiological signals on the smartphone and simultaneously listen to the heart sounds to diagnose the potential heart disease. It＇s help for reducing the uncertainty existing in heart sounds and the training periods.The intelligent stethoscope can not only visualize the heart sound (phonocardiogram, PCG) signal, but also measure human＇s electrocardiogram (ECG) and PCG simultaneously. With an internet of things (IoT) system and a cloud database, the stethoscope can be used in hospitals and telemedicine. The proposed stethoscope includes three parts, a front-end device for ECG and PCG acquisition, a smart device＇s APP and a cloud server. The ECG-measuring system is designed for single lead measurement, which can send the real-time ECG data to the smart device＇s APP. The heart-sound-measuring system keeps the traditional stethoscope head to ensure doctors on the same auscultation manner. The proposed intelligent stethoscope has been conducted human trials in NCKU and Tainan Hospitals.
Future Tech |
While CNC machining, most defects of machining accuracy are caused by aging or wearing of spindle bearing. It is not practical to calculate vibration features from specific frequency band to detect the status of CNC spindle. It’s hard to define all type of defect. Also, all the preload, lubricating, maintaining and the attachment of sensor will affect the frequency response. Users can only make sure the machine/equipment is health or sub-health. Therefore, a health modeling which is based on the “health data” is more practical. We have proposed and developed a spindle health diagnosis system which features cost-effectiveness, highly-efficiency and module-design. With collecting the normal operation data while machine booting, the system can build the diagnosis model by tuning optimal parameters automatically and provide the probability of varied parameter when detecting the abnormal status.
Future Tech | Information ＆ Communications
The FlexRay transmitter includes a first transmitter and a second transmitter. The first and second transmitter includes a CMOS current mirror and a transmitting gate. The transmitting gate triggers the current mirror to generate a current based on a state code. The current is applied to provide a positive voltage and a negative voltage to the two terminals of the Bus.This technology discusses the FlexRay electronic physical layer. Among the FlexRay products, the FlexRay chip set model TJA1080 produced by Philips is the first; however, this chip set uses a dual carrier junction transistor (Bipolar Junction Transistor, BJT ) And complex and undisclosed circuit design to meet FlexRay＇s specifications for communication protocols. Therefore, there is currently no public technology on the market that discusses how to design a circuit architecture to meet the FlexRay communication protocol specifications. Therefore, one of the technical aspects of the present disclosure is to provide a FlexRay transmitter and its receiver, which are implemented with CMOS logic gates, which are cheaper than the products manufactured on the market.FlexRay technology is a high-speed bus system with certainty, fault tolerance, and support for distributed control systems. At present, FlexRay is actively rushing into the “electronics” domain and is expected to be the main technology for the next generation of X-by-wire vehicle applications, which can reduce the support of the backup mechanical system. It provides the new generation of enhanced automotive applications such as brake-by-wire and steer-by-wire. As a new generation of automotive networks, FlexRay＇s bandwidth is much higher than the current CAN standards, and it is expected to become an important communication technology for drive-by-wire applications, which can reduce body weight and energy consumption, and improve safety performance.
Future Tech | Information ＆ Communications
To train neurosurgery interns and increase their confidence and surgical skills, we employed 3D printing, mold design, and casting technology to develop medical simulators. The simulators allow students to adjust the angle of the head based on the location of the angioma (brain tumor), perform a craniotomy, move the soft tissue of the brain aside using forceps, locate the angioma (brain tumor), and clip the angioma (remove the brain tumor) using medical instruments, and complete the entire training while artificial blood is flowing through the simulator. Existing professional medical simulators developed using virtual reality and 3D printing are not realistic enough for neurosurgery students and therefore cannot achieve the expected training effects. We therefore employed 3D printing, mold design, and casting to create professional simulators with advantages over the current simulators, including: (1) the simulator can be used for students to practice the operation procedure at different locations of the brain; (2) this simulator has more realistic feeling; (3) the cost of this simulator is less than NTD 20,000, and they can be mass-produced. Interviews with clinical neurosurgeons revealed a current lack of suitable professional simulators for young neurosurgeon training. Introducing stricter regulations to limit the work hours of healthcare personnel and ensuring the safety of patients reduced the training opportunities of interns. Our simulator has reached TRL5/TRL6, and it has been employed to train neurosurgery students at the National Defense Medical Center. A patent was already obtained for the core technology. The cost of the simulator is under NTD 20,000 and has an advantage over cadavers and virtual reality simulators. <br/><b>線上展網址：</b><br/><a href="https://tievirtual.twtm.com.tw/iframe/36f6f043-aaa0-47ea-806e-18f2c3e1dcc5?group=23bfb1fa-dd5b-4836-81a1-4a1809b1bae5&lang=en" target="_blank">https://tievirtual.twtm.com.tw/iframe/36f6f043-aaa0-47ea-806e-18f2c3e1dcc5?group=23bfb1fa-dd5b-4836-81a1-4a1809b1bae5&lang=en</a>
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