ZigBee DSP Sensor Module DSM2 + Remote Sensor Monitor RSM1

- Developed by Yashu Systems for Boeing Aircraft -

 

 

RSM1

Remote Sensor Monitor v1

DSM2 Features:

Supports TC / RTD, Pressure, Flow, Strain, Proximity, 4-20mA, Analog & ICP Accelerometer Sensors

Integrated 6-DOF Inertial Measurement Unit : Extended Kalman Filter provides Pitch / Roll Estimates

2 Configurable Input Channels based on Wheatstone Bridge : 2 ICP Accelerometer Channels

Universal Sensor Input Channel Design supports Almost Any Sensor Type

Robust Bridge Interface Allows for Quarter, Half or Full Bridge Configurations

Isolated Programmable Constant Current Source Excitation for Each Sensor Channel

Deep Sleep Capability with Motion Sensing Wakeup : Qty 4 AA NiMH Batteries Drawer

 

RSM1 Features:

Provides Wireless Interfacing from DSM2 to a Remote Sensor : Support for Various Sensor Types

Programmable Gain Inst Amplifier : Floating Differential Inputs : High Capacity 2/3A Lithium Battery

Integrated 3-Axis MEMS Accelerometer : Deep Sleep Capability with Motion Sensing Wakeup

Provides Programmable Constant Current Sensor Excitation for Immunity to Sensor Cable IR Losses

High Grade Aluminum Enclosure : Waterproof / Shockproof : -40C to +85C Temperature Range

Operates in Extreme Environments : Up to +/- 50G Continuous Acceleration Force along any Axis

 


ZigBee DSP Sensor Module DSM1 : 802.15.4 Wireless Universal Sensor Interface Module

- Developed by Yashu Systems for BAE Systems -

Supports TC / RTD, Pressure, Flow, Strain, Proximity, 4-20mA, Analog & ICP Accelerometer Sensors

4 Configurable Input Channels based on Wheatstone Bridge : 2 ICP Accelerometer Channels

Universal Sensor Input Channel Design supports Almost Any Sensor Type

Robust Bridge Interface Allows for Quarter, Half or Full Bridge Configurations

Isolated Programmable Constant Current Source Excitation for Each Sensor Channel

 

 

1Hz to 5KHz BW Accelerometer Channels with Programmable AntiAlias LowPass Filter Cutoff

24VDC @ 4mA Constant Current ICP Accelerometer Excitation Support

Programmable Gain Amplifiers on All Sensor and ICP Accelerometer Channels

HiSide Power Switches for Channel Banks allow Robust Sleep Modes to conserve Battery Life

40MHz 16-Bit Fixed Point DSP with 2 MByte SRAM

USB 2.0 Full Speed Host Interface for Maintenance and Configuration

Logs Sensor Data using Per Channel User Specifiable Rates

Dual 3.6V D-Cell Lithium Batteries provide Months of DSP Processed Data Logging Operation

-40C to +85C Wide Temperature Range Operation for Harsh Environments

Rugged Urethane Boot Cover provides High Water Resistance

Extruded Aluminum Base provides Secure Vehicle Attachment

Sensor Cables feed through Cable Channels to Screw Terminals under Protective Boot

10-32 Coax ICP Accelerometer Connectors provide Extremely Low Noise Interfacing

 

DSM1 Unique Functionality

• Independent Channels allow configuring 4 Different Sensor Types on a single DSM1 Unit

• Floating Differential Input Channels provide Isolation and High CMRR for Attached Sensors

• 7-Screw Terminal Channel Connector leverages attachment of Various Sensor Types

• Selectable Ranges for TCs provide Cold Junction Compensated Hi-Resolution Dynamic Ranging

• Selectable Ranges for ICP Accel, RTD, Strain and Analog Voltage Sensors increases Readout Resolution

• Optional API Development Library allows user to create Custom DSP Firmware Algorithms

• Optional Auxiliary I2C Port allows connection of Application Specific Smart Sensors

 

DSM Specifications Sheet: DSM1 Specifications Sheet v4 (.pdf)

API Script Library Functions: DSM1 Script Library Functions (.pdf)

Email: info@yashu.com

 

 


J1939 VIM1 : Vehicle Inertia Monitor

- Developed by Yashu Systems for BAE Systems -

Economical J1939 Vehicle Inertial Measurement and Vibration Monitoring Device

Features:

DSP Microcontroller Hosts Advanced Data Processing Algorithms and Applications

J1939 CAN Bus Interface to Acquire and Transmit Vehicle Data used in Parameter Calculations

Single Low Cost Automotive Grade 6-Contact Connector for Power and CAN Bus

Thick Walled ABS Plastic Enclosure with Vertical / Horizontal Mounting : 1.4” W  x  2.2” H  x  0.7” D

-40C to +85C Wide Temperature Range Operation for Harsh Environments : Waterproof

Capabilities:

Integrated MEMS Accelerometer and Gyroscope support Moving Vehicle Pitch and Roll Estimates

Data Fusion via Advanced Kalman Filter with Vehicle Longitudinal / Lateral Acceleration Compensation

3-Axis Vibration Monitoring of SubBand Frequency G-Force Levels with Optional Order Tracking

Power Spectral Density versus Wave Number Computation for Longitudinal Terrain-ID Profiling

XCP Protocol Support w/ ASAP2 File (.A2L) Provisioning to speed and simplify End-User Implementation

Standard Measurement Modes:

1: Attitude      Vehicle Pitch / Roll Estimates

2: Vibration    Configurable SubBand Frequency G-Force RMS Levels

3: Terrain-ID  Vertical (Elevation) Vibration Power Spectral Density versus Wave Number

Applications:

Real-Time Stabilized Vehicle Pitch / Roll Estimation for Moving HEV Power Tradeoff Control

Gearbox / Transmission Vibration Monitoring    Road Grade and Elevation Profiling

Terrain-ID and Severity Estimation    Brake Life and Tire Wear Estimation

 

Example Vehicle Pitch Profiles: VIM1 Vehicle Pitch Profiles (.pdf)

NOTE: Above document shows pitch for departing and return trips under normal driving dynamics

Email: info@yashu.com

 

 

Vehicle Inertia Monitor and USB CAN Fob Evaluation Kit

 

 

Vehicle Inertia Monitor Evaluation Software : Vibration GUI

 

 

Vehicle Inertia Monitor Evaluation Software : Attitude GUI

 

 

Vehicle Inertia Monitor Evaluation Software : Vehicle Pitch GUI

 

John Yaron - Resume & Cover Letter : JohnYaron (.pdf)