# mechatronics homework help

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• Q1:7. For each state of an n-channel enhancement-mode MOSFET that follows, determine what operating region the MOSFET is in if the threshold voltage Vt is 3 V. Please indicate ON or OFF a. Vgs = 2 V, Vds = 5 V b. Vgs = 4 V, Vds = 5 V c. Vgs = 6 V, Vds=5 V d. Vgs = -2.5 VSee Answer
• Q2:Page 1: 1 Imm Page 2: 2 ww Page 3: 3 Page 4: 4 -- Page 5: 5 Previous Page Question 5 (45 points) Imagine that you design a suspension for a car described below. There are four suspensions in the car and total stiffness and damping coefficients are defined as k and c. The car's body mass is defined as m. Assume that the input from the ground is r(t) = sinot. Next Page Paragraph 13 B A @ s+0² (a) [30 pts] The displacement of the car in s-domain is defined as X(s) = G(s) the magnitude of the frequency response (G(jw). Draw it in the frequency domain with various . Please show all the procedures including the equation of motion, free body diagram, transfer function, and magnitude. (Show all the procedures) te I (b) [15 pts] Our goal is to minimize the effect of ground vibration after the resonance peak by designing the suspension (k. c) or the car's body mass (m). Please explain how to design each parameter (k, c, m) to reduce the magnitude after the resonance peak. (Show all the procedures) k UVA Page 5 of 5 E EV o +9 Find 54See Answer
• Q3:For the first time in the history of this module, we are introducing a Technical Paper Review coursework component. The core theme for this paper review exercise is centred on using different types of electrical machines in electric vehicle applications. You have been randomly assigned a Technical Paper to read and then review. The review process requires you to reflect on (1) the CORE SCOPE of the paper, (2) TECHNICAL CHALLENGES AND OPPORTUNITIES, (3) POTENTIAL FUTURE CONTRIBUTION AND TAKE- HOME KNOWLEDGE, and (4) PRODUCE A FUNCTIONAL BLOCK DIAGRAM. The block diagram requires some level of creativity to capture the entire discussion of the paper graphically. Note: A deep understanding of the methods used in the paper is not necessary; the aim is to provide a high-level review and summary of the work.See Answer
• Q4:1. In the following circuit, what minimum steady state voltage Vin is required to turn the LED on and keep the transistor fully saturated? Assume that the forward bias voltage for the LED is 2 V and there is a 0.2 V collector-to-emitter voltage drop when the transistor is saturated.See Answer
• Q5:3. In the following circuit, find the minimum Vin required and the resulting voltage Vout to put the transistor in full saturation. Assume that the ß for the transistor is 100 in full saturation.See Answer
• Q6:6. For each of the following circuits from Figures 10.51 and 10.53 state whether the transistor is off or on. Calculate the minimum current that will flow through the load resistor using the specifications give below.See Answer
• Q7:7. For each state of an n-channel enhancement-mode MOSFET that follows, determine what operating region the MOSFET is in if the threshold voltage Vt is 3 V. Please indicate ON or OFF a. Vgs = 2 V, Vds = 5 V b. Vgs = 4 V, Vds = 5 V c. Vgs = 6 V, Vds=5 V d. Vgs = -2.5 VSee Answer

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