Write an AVR program using the timer to generate a square wave at a frequency of 50KHz knowing that the main frequency of the microcontroller XTAL is 5MHz
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Write an AVR program using the timer to generate a square wave at a frequency of 50KHz knowing that the main frequency of the microcontroller XTAL is 5MHz
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- A CNC machine tool table is powered by a servomotor, ball screw, and optical encoder. The ball screw has a pitch = 7.5 mm and is connected to the motor shaft with a gear ratio of 12:1. The optical encoder is connected to the ball screw and generates 200 pulses/rev of the screw. The table must move a distance of 300 mm at a feed rate = 450 mm/min. (a) Determine the pulse count received by the control system to verify that the table has moved exactly 300 mm. Also, what are (b) the pulse rate and (c) motor speed that corresponds to the specified feed rate?An incremental optical encoder coupled to a robot wheel has 2880 slots. Find: a) change in angle when 1200 pulses counts are obtained b) number of pulse counts when the angular change is 5000 degreesqq5 Which of the following gate will have high output if at least any one input is high ?. a. NAND Gate b. NOR Gate c. AND Gate d. OR Gate
- A 12-bit digital-to-analog converter has an output range of 0 to 10 V. Estimate the analog voltage output if the input is simple binary and has the decimal value of 45.A NC machine tool table is powered by a servomotor, lead screw, and optical encoder. The lead screw has a pitch = 5.0 mm and is connected to the motor shaft with a gear ratio of 16:1 (16 turns of the motor for each turn of the lead screw). The optical encoder is connected directly to the lead screw and generates 200 pulses/rev of the lead screw. The table must move a distance = 100 mm at a feed rate = 500 mm/min. Determine (a) the pulse count received by the control system to verify that the table has moved exactly 100 mm; and (b) the pulse rate and (c) motor speed that correspond to the feed rate of 500 mm/min. Solve the problem assuming the optical encoder is directly coupled to the motor shaft rather than to the lead screw.The worktable of a CNC machine tool is driven by a closed-loop positioning system that consists of a servomotor, ball screw, and optical encoder. The screw has 4 threads/in and is coupled directly to the motor shaft (gear ratio = 1:1). The optical encoder generates 180 pulses per motor revolution. The table is programmed to move a distance = 6.0 in at a feed rate = 25.0 in/min. (a) How many pulses are received by the control system to verify that the table has moved the programmed distance? Determine (b) the pulse rate and (c) motor speed that correspond to the specified feed rate.
- 18- A)Define the following(i) Sensitivity (ii) Transfer function of closed loop control system1.Design a sequential circuit with two D Flip-Flops, A and B, and one input x. When x = 0, then the state of thecircuit remains the same. When x =1, the circuit goes through the state transitions from 00 to 01 to 11 to 10back to 00, and repeats.consider the system The suitable compensator for this system that meets the following specifications: Overshoot less than or equal to 20% and speed gain (Kv) greater than or equal to 10 is: choose an alternative A: B: C: D: None of the alternatives
- For a 1-degree-of-freedom robot arm, it is needed to use a DC motor. Draw a blockdiagram for a mechatronic system that controls the position of this robotic arm forgripping objects. Suggest a sensor system and clarify the flow and nature of signals inyour block diagram.from Figure 1, determine the damped natural frequency (ringing frequency) of the pressure transducer. Report both the Period of oscillation and damped natural frequency in [rad/s]. Based on the response in Figure 1, is the sensor over-damped, under-damped, or critically damped? How can you tell? What is the 10% settling time of this pressure transducer?Chip 1 has 3 Ring Oscilltors on it. Calculate the Calibrated Ring Oscillator value for Chip 1 and Ring Oscillator. Use Oscillator 3 (RO3) on Chip 1 as a reference point (3.3 ghz). Use the formula attached to calculate the Calibrated RO_x on Chip_y . The RO values on Chips 1,2 and 3 are supplied as well. Any help on figuring out how to do this would be appreciated.