From 1155a7f801f55b4c73de709876abf50933676b00 Mon Sep 17 00:00:00 2001 From: Abhijit Kshirsagar Date: Wed, 27 Apr 2022 17:54:40 +0530 Subject: [PATCH] Shivam --- .../Attempt1_filesubmission_renuka.pdf | 0 .../Q3 - Design Summary/Question text | 0 .../Attempt1_filesubmission_block.pdf | Bin .../Q4 - System Block Diagram/Question text | 0 ...pt1_filesubmission_renuka power supply.pdf | Bin .../Q5 - Power Supply Summary/Question text | 0 .../Attempt1_filesubmission_3D.pdf | Bin .../Question text | 0 .../Attempt1_filesubmission_SDEP_EXAM.zip | Bin .../Q7 - KiCAD Design/Question text | 0 .../Q8 - BOM/Attempt1_filesubmission_BOM.xls | Bin .../Q8 - BOM/Question text | 0 Shivam/Comments.txt | 29 ++++++++++++++++++ ...mpt1_filesubmission_180020034_endsemq1.pdf | Bin .../Q3 - Design Summary/Question text | 0 ...Attempt1_filesubmission_circuit_merged.pdf | Bin .../Q4 - System Block Diagram/Question text | 0 .../Attempt1_filesubmission_180020034_q4.pdf | Bin .../Q5 - Power Supply Summary/Question text | 0 ...ubmission_180020034_ industrial design.pdf | Bin .../Question text | 0 .../Attempt1_filesubmission_kicad _model.zip | Bin .../Q7 - KiCAD Design/Question text | 0 .../Attempt1_filesubmission_Price.xls | Bin .../Q8 - BOM/Question text | 0 .../Q9 - Pricing/Attempt1_textresponse | 0 .../Q9 - Pricing/Question text | 0 27 files changed, 29 insertions(+) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q3 - Design Summary/Attempt1_filesubmission_renuka.pdf (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q3 - Design Summary/Question text (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q4 - System Block Diagram/Attempt1_filesubmission_block.pdf (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q4 - System Block Diagram/Question text (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q5 - Power Supply Summary/Attempt1_filesubmission_renuka power supply.pdf (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q5 - Power Supply Summary/Question text (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q6 - Industrial Design Summary/Attempt1_filesubmission_3D.pdf (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q6 - Industrial Design Summary/Question text (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q7 - KiCAD Design/Attempt1_filesubmission_SDEP_EXAM.zip (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q7 - KiCAD Design/Question text (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Renuka}/Q8 - BOM/Attempt1_filesubmission_BOM.xls (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Renuka}/Q8 - BOM/Question text (100%) create mode 100644 Shivam/Comments.txt rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Shivam}/Q3 - Design Summary/Attempt1_filesubmission_180020034_endsemq1.pdf (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Shivam}/Q3 - Design Summary/Question text (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Shivam}/Q4 - System Block Diagram/Attempt1_filesubmission_circuit_merged.pdf (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Shivam}/Q4 - System Block Diagram/Question text (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Shivam}/Q5 - Power Supply Summary/Attempt1_filesubmission_180020034_q4.pdf (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Shivam}/Q5 - Power Supply Summary/Question text (100%) rename {180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am => Shivam}/Q6 - Industrial Design Summary/Attempt1_filesubmission_180020034_ industrial design.pdf (100%) rename {renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am => Shivam}/Q6 - Industrial Design Summary/Question text (100%) rename {180020034 - SHIVAM KUMAR - 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Design Summary/Attempt1_filesubmission_renuka.pdf rename to Renuka/Q3 - Design Summary/Attempt1_filesubmission_renuka.pdf diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q3 - Design Summary/Question text b/Renuka/Q3 - Design Summary/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q3 - Design Summary/Question text rename to Renuka/Q3 - Design Summary/Question text diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q4 - System Block Diagram/Attempt1_filesubmission_block.pdf b/Renuka/Q4 - System Block Diagram/Attempt1_filesubmission_block.pdf similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q4 - System Block Diagram/Attempt1_filesubmission_block.pdf rename to Renuka/Q4 - System Block Diagram/Attempt1_filesubmission_block.pdf diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q4 - System Block Diagram/Question text b/Renuka/Q4 - System Block Diagram/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q4 - System Block Diagram/Question text rename to Renuka/Q4 - System Block Diagram/Question text diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q5 - Power Supply Summary/Attempt1_filesubmission_renuka power supply.pdf b/Renuka/Q5 - Power Supply Summary/Attempt1_filesubmission_renuka power supply.pdf similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q5 - Power Supply Summary/Attempt1_filesubmission_renuka power supply.pdf rename to Renuka/Q5 - Power Supply Summary/Attempt1_filesubmission_renuka power supply.pdf diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q5 - Power Supply Summary/Question text b/Renuka/Q5 - Power Supply Summary/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q5 - Power Supply Summary/Question text rename to Renuka/Q5 - Power Supply Summary/Question text diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q6 - Industrial Design Summary/Attempt1_filesubmission_3D.pdf b/Renuka/Q6 - Industrial Design Summary/Attempt1_filesubmission_3D.pdf similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q6 - Industrial Design Summary/Attempt1_filesubmission_3D.pdf rename to Renuka/Q6 - Industrial Design Summary/Attempt1_filesubmission_3D.pdf diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q6 - Industrial Design Summary/Question text b/Renuka/Q6 - Industrial Design Summary/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q6 - Industrial Design Summary/Question text rename to Renuka/Q6 - Industrial Design Summary/Question text diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q7 - KiCAD Design/Attempt1_filesubmission_SDEP_EXAM.zip b/Renuka/Q7 - KiCAD Design/Attempt1_filesubmission_SDEP_EXAM.zip similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q7 - KiCAD Design/Attempt1_filesubmission_SDEP_EXAM.zip rename to Renuka/Q7 - KiCAD Design/Attempt1_filesubmission_SDEP_EXAM.zip diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q7 - KiCAD Design/Question text b/Renuka/Q7 - KiCAD Design/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q7 - KiCAD Design/Question text rename to Renuka/Q7 - KiCAD Design/Question text diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q8 - BOM/Attempt1_filesubmission_BOM.xls b/Renuka/Q8 - BOM/Attempt1_filesubmission_BOM.xls similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q8 - BOM/Attempt1_filesubmission_BOM.xls rename to Renuka/Q8 - BOM/Attempt1_filesubmission_BOM.xls diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q8 - BOM/Question text b/Renuka/Q8 - BOM/Question text similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q8 - BOM/Question text rename to Renuka/Q8 - BOM/Question text diff --git a/Shivam/Comments.txt b/Shivam/Comments.txt new file mode 100644 index 0000000..6751ead --- /dev/null +++ b/Shivam/Comments.txt @@ -0,0 +1,29 @@ +Name Shivam + +1. Question text: +Design a system using a conductive water sensor (basically two metal probes that are very close together - when water is present between the probes it conducts) to detect when water level in a tank falls below 20% and when that happens, turn on a pump. The pump is a 3-phase 3-wire 1kW rated. This is for an industrial application where the water is being used for a chemical process. Design the system with some fail-safe such that the tank should never become empty. + + +2. Design summary: + Good approach. For reliability it is ok to say good quality components but beyond that how doyou ensure fail safe? + e.g. one way is to have redundancy - multiple sensors; bakckup alerts, etc. + for example, what if the relay fails? Or the motor is powered but the pump is blocked etc? + You need to close the loop from the circuit instructing the motor to be on but pump not working somehow. + What about over-rides? What if your box fails - is it possible to manually enable/disable the motor if needed? + +3. Block diagram + your block diagram is a muddle of electrical, signal and mechanical items. Think a little about how to make a readable and clear diagram + +4. Power supply design + Looks like your voltage level diagrams have some mistake. when tank is 100% full, all ABC lines should be ~12V. + Why are you realising gates through transistors? Can't you just use 74LSxx series chips? + +5. Industrial Design: + Could have been more detailed - with mechanical details, specific material etc.s + +6. KICAD Design + Schematic: + + PCB: + +7. Pricing / Assembly diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q3 - Design Summary/Attempt1_filesubmission_180020034_endsemq1.pdf b/Shivam/Q3 - Design Summary/Attempt1_filesubmission_180020034_endsemq1.pdf similarity index 100% rename from 180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q3 - Design Summary/Attempt1_filesubmission_180020034_endsemq1.pdf rename to Shivam/Q3 - Design Summary/Attempt1_filesubmission_180020034_endsemq1.pdf diff --git a/renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q3 - Design Summary/Question text b/Shivam/Q3 - Design Summary/Question text similarity index 100% rename from renuka.varma - renuka.varma Varma - Attempt1 - 2022-04-16 9_00 am/Q3 - Design Summary/Question text rename to Shivam/Q3 - Design Summary/Question text diff --git a/180020034 - SHIVAM KUMAR - Attempt1 - 2022-04-16 9_02 am/Q4 - System Block Diagram/Attempt1_filesubmission_circuit_merged.pdf b/Shivam/Q4 - System Block Diagram/Attempt1_filesubmission_circuit_merged.pdf similarity index 100% rename from 180020034 - 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