Author: Ercan Düzgün

Free Online Courses (cizgitagem)

Çizgi Tagem logo Çizgi Tagem (Çizgi Teknoloji Araştırma Geliştirme ve Eğitim Merkezi) is established with the idea of development perspective of Turkey. Çizgi Tagem’s main objective is that providing e-learning platorm for the ones who works in IT field and/or who is interested in such subjetcs.

There are different e-learning materials for different subjects. The ones that probably will atract your attention as a mechanical engineer may be these courses:

Solenoid Engine

As an alternative to the internal combustion engines;  solenoid engines which has the prinsiple with solenoid valves, can be used as well. It is easy to produce, but difficult to control.

Here on this movie, a very basic solenoid engine is shown how to made with basic homemade stuff.

Actually, it is being used as an exhaust valves.

internal-combustion-engine-262x300

internal combustion engine elements

 exhaust-valve

exhaust valve at internal combustion engine

What if it is possible to the same linear trajecotry by an electromechanical actuator in state of a spring-classic exhaust valve? Yes, it is possible to make the forward-back linear movements by an electromechanical actuator. (see the image below):

solenoid_exhaust_valve

solenoid exhaust-intake valves

 shroff_nitant2

solenoid exhaust valve

Self Driving Cars

It’s been years that people working on “driver-assistance systems”, and also “self driving systems”.

Advanced driver assistance systems such as Adaptive Cruise Control, Automatic Parking, Blind Spot Monitor is getting better and better every single day. And therefore, we are getting closer the perfect “self driving cars”.

In 1986 (I wasn’t born by that time by the way 🙂 ), it (the movie of “Knight Rider”) was only a  science fiction. Maybe people were laughing on it at that time.

It is seen as a normal technology to interact with our automobile now.

As the sensor technology gets higher day by day, and data processing time decreases, a car is able to do its reactions in different situations by its own algorithms (which means its “thinking”s in a simple way).

According to wikipedia; The first self-sufficient and truly autonomous cars appeared in the 1980s, with Carnegie Mellon University’s Navlab. Later on,  Mercedes-Benz, General Motors, Bosch, Nissan, Renault, Toyota, Audi, Volvo, Tesla Motors (and so on …) have developed their working prototype autonomous vehicles.

For sure, Google too :))

Google has changened its self driving car project under the name of “Waymo“. Google’s driveless car has ride over a 2 million miles until now for testing, it still continues for improvement for “perfection” :))

 

 

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