{ "item_title" : "Controlling An Inverted Pendulum Using Microcontroller", "item_author" : [" Maradona Martine "], "item_description" : "Inverted pendulum is an example of naturally unstable system. In order to stabilize an inverted pendulum, a proper controller should be used. One of the famous controllers is PID. PID controller can be analog (consist of several operational amplifiers) or digital. In this book, a microcontroller is used as a digital PID controller. The real PID formula contains a differentials equation. An 8-bit microcontroller is not fast enough to calculate such formula within a short time (less than 10ms). Therefore, the formula should be first simplified; hence, the microcontroller can perform the computation in a tight timing. The actuator for this inverted pendulum is a DC motor. The speed of the motor is controlled using PWM (Pulse Width Modulator).", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/3/65/967/000/3659670006_b.jpg", "price_data" : { "retail_price" : "43.09", "online_price" : "43.09", "our_price" : "43.09", "club_price" : "43.09", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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