PROJECTS
Thambi Humanoid Robot
Place : Singapore Science Center
Aim : To achieve United Nations SDG
Goal 4 : Quality Education
Goal 9 : Industry & Innovation
Humanoid Robot done using 3 Printing PLA material
Its a POC in which planned to do the same with IP 64, 65,66
Water proof Fire Proof Weather Proof
In which it can be used for situations when needed where human interaction needed but saving human life
Agribots
Robots for your organic foods in your backyard or balcony
Features : Auto seed, water, monitor, clear weeds & alerts harvest, InterCrop Organic Farming from your mobile apps
Objective : To harvest & cook atleast one organic vegetable everyday. Fork of Farmbots - customised to fit Singapore`s life style, self/cloud hosted with & without IOT
FGE PAS
SP Group ERRM, Singapore Smart Nation Initiative
Remote Monitoring & Control of Smart Gas Meters
Key Skills
Version Control Systems: Subversion, Git, Rational Team Concert, Perforce, ClearCase
Automation/Build Tools: Jenkins, Docker, Chef, Puppet, Ansible,
Databases: Oracle, MySQL, Postgres, MS SQL
Virtualisation: VM Ware ESX/ESXi, Docker, Amazon AWS/EC2, Xen, Proxmox
Platforms: Linux and UNIX,Windows
Network/Infrastructure: TCP/IP, DNS, DHCP, LDAP, AD, Private APN, NB-IOT
Description :
As a Dev Ops Engineer, Design and Deployed IT Infrasctructure for an NBIOT Project with SP
Group`s ERRM - Emergency Response and Remedy Management, Project named Gas Distribution
Monitoring & Control System. Its an Smart Nation Initiative Project.
Designed and Deployed POC Environment to Production with Windows and Linux Nodes, IIS Server,
MS SQL, Apache Tom Cat, MySQL, Postgresql with NB-IOT Hardware responding to centralised server for monitoring and control of remote sites 64 Remote sites and Setup Vagrant Servers for Developers.
● Worked within the Cloud for integration processes.
● Performed DevOps for Linux and Windows platforms.
● Focused on automation and integration.
● Monitor developed applications and bugfixes..
● Wrote scripts and designed continualupdates.
SMART CITY COIMBATORE
PROJECT
Smart City Initiative
In March, the civic body had decided to invite an expression from companies willing to undertake conservancy operations in the city. At least 17 companies wanted to grab wanted to grab contracts, Cobra Softwares Inc was awarded for remote 110 wards in Coimbatore and as a start 12 wards as Proof of Concept.
Objective : To make attendance 100% for all cleaning labours working in remote sites. Each Employee has been given gps trackable ID Cards with GPS Tracking device attached in the cleaning lorry and also to the dumping basket. The staff member card, Lorry and Trash bin all the devices should sync to the same Lattitude, Longitude and the dwell time between the task is also taken into consideration for attendance and 8 hours duty period.
The staff member go away from the zone will be considered as time out. The more time inside the zone and the weight of the lorry varies will be synced to make sure the staff member is not loitering inside the zone without filling the waste from the bin to the lorry. This objective was a successful and worked for 3 months until Madam. Selvi Jayalilatha`s Expiration.
SMART ELECTRICAL DB - POC
Smart DB POC
Singapore is engineering its transformation into a Smart Nation – byte by byte, system by system. These Strategic National Projects are the foundation for turning this vision into reality.
Punggol Smart Town
Bringing together residents, businesses and students, Punggol is slated to become a thriving, tech-enabled, sustainable town showcasing our Smart Nation ambitions.
Singapore’s highly-anticipated “smart district” that brings together industry and academia with the wider community to foster a vibrant, strong digital community! A thriving community of people will also be calling this neighbourhood home. With shared public spaces and hi-tech community facilities, PDD will be connected to the Punggol waterfront by green links for the community’s recreational needs.
Such Smart HDB is going to be equipped with the below features
1. accuracy of the measurement sensors/devices
a) Current (A) : ± 0.5%
b) Voltage (V) : ± 0.5%
c) Power Factor : ± 1%
d) Frequency (Hz) : ± 1%
e) Active Power (kW) : ± 1%
f) Reactive Power (kVAr) : ± 1%
g) Apparent Power (kVA) : ± 1%
h) Active Energy (kWh) : ± 1%
2. able to measure the following parameters:
a) Current (A)
b) Voltage (V)
c) Power Factor
d) Frequency (Hz)
e) Harmonics
f) Active Power (kW)
g) Reactive Power (kVAr)
h) Apparent Power (kVA)
i) Active Energy (kWh)
3. IEC 61439 compliance
4. Standard CP 5
5. All communication frequencies and protocols employed by the Gateway Unit shall be permitted by and adhere to the maximum field strength outputs within IMDA’s Technical Specification for Short Range Devices (IMDA TS SRD)
6. Min spec for SoC Processor - gateway unit - What ISA using - RISC or CISC (intel or ARM ), how much bit
cache memory - ** L3 is not required to meet minimum cache requirements. The Contractor are highly recommended to consider microprocessor solutions with L3 cache
7. Supported Variants MODBUS, Fieldbus, Profibus, CAN Protocol Serial (RTU), TCPPhysical Interface Serial (4-wire SPI bus), R
8. Gateway unit iec compliance - IEC 60950
9. The Gateway Unit shall be able to store at least 1 year of data on local storage.
10. 73.60.2.4.4 All data in transit (between the Gateway Unit and Backend Cloud Server(s)) shall be encrypted to the minimum specified depth and above:
• 256-bit for AES Rjindael or equivalent symmetric key method(s)
• 384-bit for Elliptical Curve Cryptography (ECC) or equivalent asymmetric method(s)
Security Bit
192 AES-192 SHA-384 384
256 AES-256 SHA-512 512
11. The HEMS cater for over the air (OTA)
12. Wifi internet facing AP compliance
WPA2-PSK (AES) Yes
WPA-PSK (AES) Yes
13. RSSO all data transmission AES or ECC
128 AES-128 SHA-256 256
192 AES-192 SHA-384 384
256 AES-256 SHA-512 512
14. All APIs implemented on products and servers within the HEMS
15. All data transmission methods (e.g. MQTT, RESTful Web Services) utilized in HEMS is implemented with TLS (v1.2 and above)
16. The accuracy of the NILM
Accuracy of Identification - Measurement of the accuracy of identification of the connected
load e.g. Electric Kettle, Air-con, Electric Fan, Television, Vacuum Cleaner etc. - >= 70%
Detection of connected load - Measurement of the response time to detect the connected load
within 5 min for ≥50 Watt load. - Time taken - >= 80%
17. Access levels
Administrators
• Master User (per household)
• Sub User(s) (per household)
All user types is protected by a minimum of 2-Factor Authentication
(2FA) for account access.
18. CREST-certified thirdparty testing body to carry out a Vulnerability and Penetration Test (VAPT) on the proposed HEMS. The Contractor shall rectify all critical loopholes identified by the VAPT
Multi-Tier Cloud Security Standard (MTCS SS584) Level 3
19. Device management platform (DMP)
20. A Full Power Packed System for SMART NATION Singapore`s SMART DB Project
BANYI DISINFECTANT ROBOT
BANYI DISINFECTANT ROBOT
The aim of the present work is to contribute in the fight against the spread of Covid-19, a novel human coronavirus, in hospitals, public transport, airlines, and any enclosed areas. In this study, we have adopted the physical disinfection method by using UVC light and also with Organic Chemical Sprayer as agent.
Our finding shows that a mobile robot is the most efficient device to inactivate microorganisms, so we have developed a robot called BANYI Robot named by Mr. Ho Kai Huat, Singapore my Ex Boss, My Good Friend and My God Father.
The SARS-CoV-2 responsible for the disease known as Covid-19 is a virus that is mostly transmitted through aerosols. The pandemic has recently emerged from China with a total of 83.021 confirmed cases of pneumonia around the world (as of June 2, 2020) (www.worldometers.info/coronavirus/). To reduce the pandemic spread of the virus, five measures have been adopted: (1) massive testing, (2) quarantine, (3) disinfection, (4) social distancing, and (5) sanitary measures. The disinfection techniques are of chemical and/or physical type (Otto et al. 2011). The effectiveness of a disinfection plan depends on the environmental factors such as temperature, relative humidity, organic load, pH, surface topography, water hardness, or the presence of other chemicals compounds (Otto et al. 2011; Mojarad et al. 2017; Darnella et al. 2004). In fact, the agents used in a chemical disinfection procedure are classified according their nature: (1) acids: acetic acid and citric acid; (2) alcohols: ethanol and isopropanol; (3) aldehydes: formaldehyde and gluteraldehyde; (4) alkalis: sodium or ammonium hydroxide, sodium carbonate, and calcium oxide; (5) biguanides: chlorhexidine; (6) halogens: chlorine or iodine compounds; (7) oxidizing agents; and (8) quaternary ammonium compounds. The chemical disinfection of microorganisms refers to the application of a chemical agent at known concentration C. The disinfection phenomenon is a kinetic process described mathematically for the first time by the well-known Chick-Watson model since 1908. The basic rate model of disinfection is described according to the following equation (Chick 1908):
where N is the number of microorganisms after time t and k is the observed disinfection rate constant. Several authors (Hom 1972; Lambert and Johnston 2000; Prokop and Humphrey 1970) have refined the Chick-Watson model by taking account other parameters involved in the disinfection process. Disinfectant concentration and contact time are integral to disinfection kinetics and the practical application of the Ct concept (Ct being the disinfectant concentration multiplied by the contact time). The physical disinfection methods are UV light treatment (Guridi et al. 2019), gamma irradiation treatment (Silindir and Özer 2009), and heat treatment of virus (Sauerbrei and Wutzler 2009). In fact, since 2004, Darnell et al. have examined several methods to inactivate the coronavirus. In this study, the authors have reported that the coronavirus was inactivated by UVC (254 nm), or at a temperature higher than or equal to 65 °C, alkaline (pH > 12) or acidic (pH < 3) conditions, and formalin and glutaraldehyde treatments.
When UVC is used as a disinfection technique, Equation (1) takes the following form (Kamiko and Ohgaki 1989):
where I (μW/cm2) and Z (cm2/μWs) are respectively the UV intensity and the microorganism susceptibility factor. The susceptibility parameters vary with environmental conditions, such as relative humidity (RH) (Ko et al. 2000; McDevitt et al. 2012). It is known that UVC effectiveness decreases with increasing RH (McDevitt et al. 2012). The UVC effectiveness for microorganisms is correlated also to room configuration, lamp placement, lamp age, air movement patterns, and by the mixing degree of room air. The dose relates, D (μJ/cm2), to the UV intensity according Equation (3):
D=It
where t (s) is the irradiation time.
The D90 is the required UVC dose for 90% inactivation of a microorganism. The SARS-CoV-2 is of about 120 nm in diameter. Its inactivation dose corresponds to D90 = 6.11 μJ/cm2 (Jingwen et al. 2020). The virus is highly susceptible to UVC irradiation and its susceptibility is 3 times greater than the influenza (common cold) virus. The dose received by surface unity at given distance r (cm) from the sanitizer depends on the power, P (μW), of the emitted UVC lamp according to the following equation (Owens et al. 2005):
where L (cm) and t (s) are, respectively, the length of the lamp and the exposure time, so the exposure time can be estimated according Equation (5):
In order to express the relative number of living microorganisms that are inactivated, the log 10 reduction factor is calculated according the following equation (Mazzola et al. 2003):
where N0 and N are respectively the number of microorganisms before and after exposure to UV light, so when the log 10 reduction takes the values 1, 2, 3, and 4, the percent reduced microorganisms is respectively 90%, 99%, 99.9%, and 99.99%.
The medical frameworks are on the front lines of the battle against coronavirus, so the hospitals must be disinfected efficiently and quickly. In this context, the UVC technique is recommended by the scientist community to win the war against the Covid-19 pandemic. In this work, we will firstly present and discuss the different devices using UVC disinfection. Then, we will expose a prototype disinfection robot developed by Addison Institute`s sister concern SG Robotics.
A contribution of SG Tamila`s and Addison Institute`s R&D Division named SGRobotics.com research and engineering to the world war against Covid-19 pandemic has been presented in this report. The study of different disinfectant systems led us to identify our choice on the development of a mobile disinfection robot. The Banyi Robot is an autonomous device and can be controlled manually. It can also work in a fully automated mode. The lamps integrated into the robot and its mobility can deactivate coronavirus and microorganisms in a record time. Based on artificial intelligence, integrated sensors, and cameras, the device is of high security. Banyi Robot shuts down when humans are around to protect them from the harmful effects of UVC
SOLAR PANEL CLEANING
ROBOT
Solar Panel Cleaning Robot Project
The proposed solar panel cleaning robot is used to remove the dirt and dust deposited on the solar panel thus helping the solar panel to absorb the maximum quantity of energy. The proposed system consists of two main parts, the first is the cleaning robot and the second is the carrier robot.
Initially Partnered with Aegeus Technologies and later the R & D continued with our own lab to enhance a new version from scratch.
RESTAURANT IOT / AR VR POC
RESTAURANT IOT / AR VR SYSTEM
Whether you're a standalone full-service restaurant, a restaurant chain, a commissary, catering business, or a retail restaurant with a prepared-food section, IoT allows the interoperability between products to standardize, maintain, and assure food safety, compliance, and energy management.
LTA FMS RD104 & 102 Project
LTA FMS - Land Transport Authority Singapore - Facilities Management System - Projects RD104 & RD102
Company : BNF Engineering Pte LTd., Position : Application Engineer
Period : Jan 2002 – Dec 2005 www.bnf.com
Project : LTA RD 102, 104 FMS – Facilities Management System
OS : Windows CE, Embeded, NT 4 , RedHat 7,9 - Flasher (ST), BLTDWin (Hitex), Flip
Description :
Involved in monitoring and preventive maintenance of 100 over remote sites island wide.
Role of installing, maintenance of remote site with high availability for commuter`s service
This monitoring system includes critical projections of HVAC, Motor Pumps, Escalator, Lifts, Power
Generator, Street Lighting and Traffic Signal logics all over island wide.
Projects Handled
● LTA - RD 104 - Land Transport Authority,SG - www.lta.gov.sg
● Singapore EXPO - www.singex.com.sg
● Central Narcotics Bureau - www.cnb.gov.sg
● National Museum Singapore - www.nationalmuseum.sg
● Jurong Island Admin Building - Sembcorp Cogen Pte Ltd
● Seraya Fire Station - BNF Engineering Pte Ltd.,
● Singapore Poly - BNF Engineering Pte Ltd
● Woodlands Civic Centre - Surbana Pte Ltd.,
● Police Coast Guard (PCG) - BNF Engineering Pte Ltd
Responsibilties
● Installed data acquisition units.
● PROM and EPROM programming of signal descramblers.
● Install, configure, maintaining and serviced 100 over remote sites
● Admini Windows NT Servers with Wonderware, SCADA
● Monitoring system performance for optimizing CPU utilization
● Backup and Restoring. Installation of LAN and config of Printers
● Matrix Controls Embedded Controller Remote Monitoring
Project : Woodlands Civic Centre, BMS Client : Surbana, Singapore
Product : Honeywell Controls and PLC., Period : Jan 1999 – Dec 2001
OS : Windows NT4 Software, Wonderware Factory Suite 6.0 PLC/SCADA/HMI
SVTL Logistics
Coimbatore
SVTL Project
Problem Statement :
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To avoid gas theft
-
To monitor cause of time delay in delivery
-
To monitor the maintenance expenses while traveling
Objective : To Monitor and Manage 600+ Fleets running all over india. All the premium paid versions of cloud gps tracking platform failed performance. So Cobra Softwares Inc given a solution to install cost effective auto scaling, HA and LB server customised with Traccar using java and proxmox installed in aws. with custom web client in Angular and Mobile apps in react.
Managed Private Cloud Server with 600 + GPS Objects - www.svtl.in
