Wireless Static Tilt Meter (2D)

A new low-power, temperature-independent, and reliable prototype of a highly accurate Static Tilt Meter.
It has a novelty in the analog measuring method, which gives us a resolution of approximately 0.000001º ( 0.0036 Seconds of Arc.) With the above resolution, we can measure the daily variations of the earth's gravity.
I have the above mentioned tilt sensor installed on bedrock in the West Vancouver area and record the daily gravity variations. Interestingly, the results match the high and low tide graphs.

○ Over-The-Air firmware update
○ Long MTBF, more than 15 years
○ Solar energy and very low power consumption
○ The battery might replace with a supercapacitor
○ True 31-Bit resolution
○ Automatic zero offset levelling after installation
○ Smart mesh IP support
○ Multiprotocol sub-1 GHz and 2.4-GHz
○ Supports Direct Wireless Link & Smart Mesh Topology

Keywords: TI Firmware, IPv6 smart objects, 6LoWPAN, SimpleLink™ TI 15.4-Stack, IEEE 802.15.4, Thread, Zigbee®, Bluetooth® 5.2 Low Energy, IEEE 802.15.4g, Sub-1 GHz, Optical Tilt Meter

Next-Gen Seismic Sensing: Enhanced Force Balance Accelerometer

Developing an innovative motion detection system, the state-of-the-art Force Balance Accelerometer (FBA) is explicitly designed for seismic applications, providing exceptional performance and reliability. With a low-noise output and ultra-sensitive detection, this groundbreaking sensor captures a wide range of seismic events with a high signal-to-noise ratio.

Its wideband frequency response (>160dB) ensures accurate data across various ground motions. Engineered with advanced materials and precision techniques, the FBA offers superior linearity, stability, and durability, making it ideal for Earth Science researchers.

The device operates efficiently within a single power supply (5-15V) and has a frequency response of DC to 100Hz. It can withstand temperatures from -40°C to 80°C and offers industrial-grade performance. Additionally, the FBA can provide output in either analog or digital format on demand, ensuring compatibility with diverse data acquisition systems.

○ High signal-to-noise ratio
○ Accommodates diverse seismic events
○ Superior linearity and stability
○ Reliable in various settings
○ Ideal for Earth Science researchers
○ Single power supply (5-15V)
○ DC to 100Hz frequency response
○ Robust, long-lasting design
○ Energy-efficient operation
○ -40°C to 80°C operating temperature range
○ Industrial-grade performance

Remote-Controlled Network Analysis Tool

The Roam-Loop is an advanced industrial GSM tool designed to be a remote-controlled mobile subscriber. Developed with an embedded microcontroller, GSM modem, and various peripheral devices, this innovative system can measure radio and voice signal qualities, network parameters, and coverage areas. By simulating the actions of an actual mobile user, the Roam-Loop provides critical insights into network performance, connectivity, and potential areas of improvement, making it an invaluable asset for network operators and service providers.optimize their infrastructure, ensuring that they deliver reliable and high-quality service to their customers.

Users can remotely change the settings and parameters of the Roam-Loop device, enabling them to make calls, send short messages, or answer calls on demand or according to a prearranged schedule. This flexibility allows the Roam-Loop to mimic the behaviour of a local handset, providing real-world data on network performance and user experience. As a comprehensive and adaptable GSM tool, the Roam-Loop revolutionizes the way network operators and service providers evaluate and optimize their infrastructure, ensuring that they deliver reliable and high-quality service to their customers.

○ Dual-Band UMTS/HSDPA 900/2100MHz
○ Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz
○ MUX protocol over UART
○ Support MMS
○ Support TCP/UDP/FTP/FTPS/HTTP/HTTPS/SMTP and POP3
○ FOTA (Firmware and Software Updates Over-The-Air)
○ Jamming detection support
○ CELL assistant Location (No GPS)
○ A-GPS: MS-Based, MS-Assisted
○ Stand-alone GPS
○ QUALCOMM XTRA GPS mode
○ Supply voltage range: 3.4~ 4.2V
○ Operation temperature: -30℃ to +80℃

Keywords: Visual Studio VB, Network and Wireless Communication protocols, MS SQL, Android & iOS, STM32 Microcontroller, Windows API, USB-HID driver programming, Sigtran SS7 Protocols

Over-the-Air (OTA) Messaging Platform

Utilizing cutting-edge technologies, designed, developed, and programmed a bespoke OTA messaging server that establishes a connection with mobile SMS centers through an SMPP link. This innovative server ensures seamless and secure communication by processing and converting SIM control commands or SIM applets into a series of sequential binary and encrypted messages.

The platform is engineered to remotely install and execute these messages on the mobile subscriber's SIM without any notification, providing a non-intrusive experience for end-users. By facilitating automatic updates and applet deployments, this sophisticated OTA messaging server offers a comprehensive and robust solution for wireless carriers and service providers seeking to enhance their network capabilities and overall user satisfaction.

Keywords: Wireless Protocols,SIM Security Algorithms, C++, Network and wireless Communication protocols, MS SQL, Android & iOS, Windows API, SIGTRAN SS7 Protocols, A3/A8 Authentication,COMP128 algorithm, 3G AKA, EAP-AKA (Extensible Authentication Protocol - Authentication and Key Agreement), Cipher Key (Kic) and Integrity Key, Key Exchange Protocol (KEP), APDU,ETSI TS 102 225,ETSI TS 101 267, JCRE,JCVM, Java Card API, Applet Firewall, Remote APDU Structure for UICC based Applications (RAPDU)

Smart Pencil-Shaped Book Reader with Audio Enhancements

The Book Reader is a cutting-edge pencil-shaped electronic device designed for an immersive reading experience. This innovative hardware and firmware solution incorporates an embedded camera on the nib, which captures the visual patterns of text and images on the book pages. By leveraging advanced technologies such as CMOS image sensors, a Microchip ARM Cortex processor, and a Real-Time Operating System (RTOS), the device can efficiently process and analyze the captured data in real-time. With the integration of signal processing and machine vision algorithms, the Book Reader can accurately recognize the content on the pages and provide corresponding audio enhancements, such as sound effects and translations.

These audio enhancements are pre-recorded and stored in the device's memory, ready to be played as the reader encounters the relevant sections of the book. To deliver a seamless audio experience, the Book Reader utilizes MPEG-2 audio coding and data streaming protocols, ensuring high-quality audio playback and synchronization with the reader's progress. In addition, the device's innovative design and the integration of advanced technologies enrich the user's reading experience and make it an excellent tool for those learning new languages or seeking a more engaging and interactive approach to reading. With its intelligent features and user-friendly design, the Book Reader revolutionizes the way people consume written content, adding an auditory dimension to traditional print media.

Keywords: CMOS image sensor (SPI), Microchip ARM Cortex processor, Machine vision algorithms, MP3, MPEG-2 Audio Layer II, OCR, Tesseract OCR engine, Leptonica (C++), libmpeg2

Advanced Nano-Strain Sensing System

Designed and constructed a low-power, high-precision electronic strain gauge instrument that accurately detected and quantified tensile-strain variations within a metallic structure, with a resolution sensitivity capable of discerning alterations below several nano-strains. The device had an integrated automatic temperature compensation mechanism to correct potential temperature-induced errors and ensure consistent performance.

Furthermore, the instrument incorporated an advanced internal modulator, enabling simultaneous power and data transmission over a 5km twisted pair cable. This modulator employed sophisticated techniques such as Pulse Width Modulation (PWM) or Quadrature Amplitude Modulation (QAM) to optimize signal integrity and reduce noise interference, ensuring the accurate and efficient transmission of strain measurements across extended distances.

Intelligent SoC Module for Seismic Alert Systems

A highly reliable and intelligent electronic control module was designed to manage and prioritize a seismic/shake alert system based on P-wave detection algorithms. The module utilized a System-on-Chip (SoC) architecture, efficiently integrating various components, such as data acquisition systems, Analog-to-Digital Converters (ADCs), and communication protocols. This comprehensive solution ensured the system's performance and reliability.

Precise time synchronization, with an accuracy of less than 1 part per million (ppm), was achieved between the sensor's data acquisition systems and ADCs, ensuring consistent and reliable data collection for accurate analysis and detection of seismic events. The electronic control module was also designed to incorporate protocols seamlessly connected to the United States Geological Survey (USGS) servers. This compatibility allowed the system to share critical data with other seismic monitoring networks, enhancing overall earthquake detection and alert capabilities.

3D Touchless Laser Interferometry for Rapid Quality Control

Utilizing cutting-edge interferometry techniques and sophisticated image processing, a high-precision laser interferometer with sub-micron resolution has been developed for applications in nanotechnology, semiconductor manufacturing, metrology, and precision engineering.

This innovative device delivers touchless, 3D measurements at scanning rates exceeding 10 cm/s, ensuring optimal quality control.

Employing advanced algorithms and image processing techniques, the system swiftly identifies and rejects defective components, streamlining production efficiency. This state-of-the-art interferometer technology enables manufacturers to minimize costs, maintain a competitive edge, and elevate product quality.

Enhanced Rock Fall Detection System

The Enhanced Rock Fall Detection System (ERFDS) is a cutting-edge technology designed to improve railway safety by swiftly identifying falling rocks on the tracks. It surpasses its predecessor, which relied on a geophone every 50 meters and basic signal-level detection techniques. It uses only three geophone sensors in a triangular arrangement and increases coverage to more than 1000 meters. Incorporating 3D Time-of-Flight processing and artificial intelligence algorithms, the ERFDS offers superior accuracy in rock fall detection.

Employing noise-tolerant design principles, the ERFDS ensures that background noise and environmental factors do not compromise its ability to process and analyze signals accurately. Advanced digital signal processing techniques manage the data collected by geophone sensors, while artificial intelligence optimizes the detection process. These state-of-the-art technologies work together to significantly enhance the overall effectiveness of the Enhanced Rock Fall Detection System, making it an essential tool for railway operators in maintaining track safety.

Keywords: TensorFlow Lite, hls4ml, LatticeMico32, LFE5UM-45F-VERSA-EVN, SM-24, MT41K64M16TW, ADS1278, ADS1263, Analog and digital mixed signal, 3D Time-of-Flight processing, Noise-tolerant designing, Infineon ARM processor, Multi-thread RTOS, Wireless link 6LoWPAN, SSL/TSL, Telnet, FTP