You are working as a design engineer at a motorized wheelchair manufacturin comp

Question

You are working as a design engineer at a motorized wheelchair manufacturin company. Your design team is developing a new product with 300 lbs. payload capacity, driven by two 24-V motors, each rated 200-W. You are assigned to design a converter with adjustable output voltage to supply the motors from two 12-V batteries. Your goal is to design a reliable and safe product for full-time indoor and outdoor use. The switching operations should not cause interference with digital audio devices and radio interference above 500kHz electromagnetic waves. In addition, the output voltage ripple must be less than 0.5% to avoid risk of interference with medical electronic instruments. nts, 6. (10 points extra credit): Discuss the possible public health and welfare aspects, as well as cultural, environmental, and economic factors related to the product your team is working on.

Explanation / Answer

Make sure batteries are well closed and are not exposed to environment, as battery leaks are hazardous to public. Makes sure complete operation of chair is very much smooth and noiseless. The overall product should be cheap and use readily available spare parts , so that parts are easily available for repair. Make compact chair, which can enter places with small entrances and it will occupy less space

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