Your team is working on a new walkie-talkie design that must be able to withstand harsh weather conditions. Choose the suitable type of material that should be used as the casing of the device. State your reasons from mechanical and electrical aspects.
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- Your team is working on a new walkie-talkie design that must be able to withstand harsh weather conditions. Choose the suitable type of material that should be used as the casing of the device. State your reasons from mechanical and electrical aspects. (b)Task 3:A. Is it effective to control the temperature within a Martian home as described in the questions? Suggestsome modifications on the control system, or even on the Martian home design to support your argument. Consider enhancing the process lags and the stability under sudden and/or permanent loadchanges. Reflect your improvements on the components of the closed loop system such as the control law, the actuator and the measurement system. Explain the effects of each improvement in details. B. A PID controller has KP = 3, KI = 1.2 s-1 , KD = 2 s and p(0) = 40%. Plot the controller output for the error signal given in Fig. 3. Suggest modifications to the gain values [roughly, not exact values] inorder to enhance the correction signal response. Explain the effect of your changeUsing the notation scheme for defining manipulator configurations, draw diagrams of the following robots. Label each joint in the diagram. (i) TVR:TR (ii) VROT:R
- 3. What is meant by armature reaction ?I have a wooden toy train that runs on wooden tracks. I would like to place two ESP-WROOM-32 Boards on top of the train. Broadcast communication (which involves radio frequency, not Wi-Fi) would help communicate about the train's lateness to five other wooden trains on the same track. Local communication would help communicate to the train station about the train's lateness. I would also need radio frequency Tx-Rx Modules for discharging and undergoing the signal, and repeaters just in case the signal loses power due to long-distance traveling. My wooden train should be automated. It should run at 4 inches per second, keep a minimum distance of 30 seconds away from the other wooden trains, and make a 17-second-long stop every 500 seconds. What's the procedure to connect the components? What's the Arduino code (C++) for this project?3. i. Write the working principle of Permanent Magnet Moving Coil instrument mention the importance spring used. ii. Explain how a single PMMC instrument can be used as ammeter and voltmeter.
- Why is electrical safety important to you as a mechanical engineer? Discuss the basic requirements before working on electrical environment.a.Analyse the principle of practical application of electrodynamo type water meter B. Write a short note on attraction and repulsion type moving instruments as they apply to the classification of moving iron instrument. C. Sketch and elucidate the metre arrangement of counting and displaying the amount of energy consumed with the principles of energy consumption and single phase induction type energy metersExplain the construction and operation of instrument whose deflecting torque is proportional to the square of operating quantity. Also draw the instrument with labelling.
- What is armature reaction proportional to?A three link RPP manipulator is shown in figure below. Write the forward kinematic model for this manipulator. Also indicate the end effector's position and orientation when 0, = 60°, d2 = 5 and d3 = 8. 1|1 P age Three-link RPP manipulatorChoose a modern house of your interest, identify any ONE application of the DC electrical machine in the modern house and answer the following a) Identify the type of the DC machine used and its specifications b) Identify the load characteristics of the DC machine used. c) Explain the operation of the DC machine used with detailed diagrams. d) Explain the functions/roles/importance of the DC machine in the application e) Compare the speed control method used in the application with that of the armature or field control method.