{"id":5331,"date":"2025-05-06T00:45:29","date_gmt":"2025-05-05T19:45:29","guid":{"rendered":"https:\/\/habib.edu.pk\/graduate-directory\/?post_type=graduate&#038;p=5331"},"modified":"2025-05-06T00:48:39","modified_gmt":"2025-05-05T19:48:39","slug":"lakshman-maheshwari","status":"publish","type":"graduate","link":"https:\/\/habib.edu.pk\/graduate-directory\/graduate\/lakshman-maheshwari\/","title":{"rendered":"LAKSHMAN MAHESHWARI"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":5332,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"single-graduate-01.php","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"program":[30],"school":[],"class":[39],"minor":[],"class_list":["post-5331","graduate","type-graduate","status-publish","format-standard","has-post-thumbnail","hentry","program-bsee","class-class-of-2024"],"acf":{"aspiration_statement":"My career aspiration is divided into stages: Initially, I aim to prepare for grad school while excelling in power systems or production\/instrumentation jobs or as a Research Assistant. Subsequently, I would like to complete my graduate studies with notable research, allowing me flexibility to pursue academia or industry.","video_profile_link":"","habib_email":"","email":"lakshmanmaheshwari7@gmail.com","linkedin_link":"","portfolio_Title":"","portfolio_link":"","personal_cell_1":"","personal_cell_2":"","core_skills":[{"skill":"Altium"},{"skill":"C++"},{"skill":"CAD Modelling"},{"skill":"Change Management"},{"skill":"Conflict Meditation Skills"},{"skill":"LTspice"},{"skill":"Mathematical Modelling and Reasoning"},{"skill":"MATLAB"},{"skill":"PLECs"},{"skill":"PSpice"}],"academic_awards":[{"academic_record":"High Academic Achievement Leap Scholarship\t"},{"academic_record":"Yohsin Scholarship"},{"academic_record":"President's List, 2021 and 2023 "},{"academic_record":"Dean\u2019s List, Spring 2021 and Fall 2023"}],"leadership-experiences":[{"leadership":"President, Computer Science and Engineering Club"}],"work-experience":[{"experience":"OBE Student Employee, Habib University (January-April 2024)\t"},{"experience":"OBE Student Employee, Habib University (January-April 2024)\t"},{"experience":"Teaching Assistant, Habib University (September 2021-Maym 2024)"}],"publications-projects":[{"publications_title":"Effects of Parasitic Elements in High Frequency GaN-based DC-DC Converters for Electric Vehicle Applications in INMIC 2023","publications":""},{"publications_title":"Effects of Parasitic Elements in High Frequency GaN-based DC-DC Converters for Electric Vehicle Applications in INMIC 2023","publications":""}],"project_title":"Comparative Analysis of Silicon and GaN-based DC-DC Buck Converters using FPGA-Based Prototyping and Hardware-in-loop Testing\t","fyp_desc":"The adaptability of Electric Vehicles (EVs) is severely hindered by their limited drive range. Although battery technology has notably improved, it is miles from matching gasoline in terms of energy density. Although larger batteries could increase the driving range, it would drastically increase the cost of (EVs). In lieu ofIn place of this, designing an efficient powertrain becomes paramount. Achieving high efficiency and power density in power converters can be achieved through the use of wide-bandgap (WBG) devices. WBG devices, such as Gallium Nitride (GaN) FETs, operate at higher switching frequencies compared to Silicon MOSFETs. This substitution results in an extended drive range of about 15% along with a lighter and more compact powertrain.\r\nIn this research, we have designed a GaN-based EV powertrain for the Auxiliary Power Module (APM), which serves auxiliary loads such as power steering, air conditioning, and power windows, among others, to ensure a comfortable and seamless travel experience. The APM comprises DC-DC converters in a two-stage configuration. The first stage in this powertrain is a high-power isolated converter, which converts the voltage from 300V at the battery to 48V, from which power is tapped for some applications. The second stage is the non-isolated low-power DC-DC converter string, which converts the voltage from 48V to 12V, catering to the rest of the auxiliary loads. Our findings show that GaN-based converters for APM exhibit a high efficiency of 97% and high-power density in terms of very small passive elements such as inductors or capacitors. For controlled and consistent output voltage, a closed-loop controller has been designed, implemented, and tested on the FPGA Zedboard, showing exceptional results with a very high gain margin and phase margin of the controller.\r\n","project_pictures":null,"project-video":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Habib University - Graduate Directory - LAKSHMAN MAHESHWARI<\/title>\n<meta name=\"description\" content=\"List of Habib University graduates. 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