Invocon Systems


NOTE: Historical systems are not currently available. These systems are presented here as an example of Invocon's capabilities.

CDI

Capacitive Discharge Initiator

CDI

Invocon’s Capacitive Discharge Initiator (CDI) Module provides missile control and monitoring capabilities in a single compact unit.  It enables safe operation and monitoring of ordnance.

The CDI provides four fully redundant output channels, a single input trigger for starting the timer, 1 ms resolution per channel, and four hours of run-time after the input trigger.

Click here to learn more about the CDI system.

EWB MicroTAU™

Enhanced Wide-Band Micro-Miniature Tri-Axial Accelerometer Unit

Wireless, high-speed, synchronized data acquisition network for dynamic acceleration sensing, processing, and recording. Post acquisition download is either USB or wireless.

  • 20KHz Sample Rate
  • 3 External Accels per unit
  • Processing: RMS Signal Analysis, Frequency Analysis, Decimation, Peak Detection, et al.
  • Approximate Size: 7cm x 3.8cm x 8.3cm

Click here to learn more about the EWB MicroTAU system.

MicroWIS™-XG

Micro-miniature Wireless Instrumentation System - Next Generation

A real-time asynchronous wireless transmission system. Immediate graphical representation and storage on a PC.

  • 1/hour - 0.25Hz Sample Rate
  • 1 channel per unit
  • 100 units per system
  • The units can support any resistive sensor type.
  • Approximate Size: 3.3cm x 3.3cm x 1.5cm replaceable battery unit

Click here to learn more about the MicroWIS-XG system.

MITE WIS™

Multiple-Input Tiny Enhanced Wireless Instrumentation System

A real-time and/or store-and-forward system capable of recording data from up to four channels on 2Mbytes non-volatile memory (enough for 2 years at 1 sample per 5 minutes with 4 channels). Post-acquisition download is wireless to a receiver and GUI. Designed for 2-year usage without battery exchange.

  • Sample Rate: Programmable from 1 per 15 seconds to 1 per hour
  • Lifetime: 2 years at 1 sample per minute
  • Approximate Size: 6cm x 6.3cm x 2.5cm (excluding antenna)
  • Up to 4 external channels per unit
  • The units can support any resistive sensor type.

Click here to learn more about the MITE WIS system.

Multi-Channel Event Sequencer

Invocon’s event sequencer is a flight qualified solution for monitoring and initiating flight events. 

It includes 8 channels of open drain outputs for assertion of timed events via relays or other devices.  Each channel provides up to 3 Amps of current.  The voltage level available at the output is equal to the sequencer’s input voltage (20V to 40V).  The event timer is triggered by a single input trigger.  Each channel can be programmed independently with a timed event resolution of 1ms for a period of up to 4 hours after the input trigger.

Click here to learn more about the Multi-Channel Event Sequencer.

Smart Battery

Lithium Ion Polymer Smart Battery

The Invocon 28V Rechargeable Smart Battery uses modern lithium ion polymer battery technology.   Lithium ion polymer batteries have one of the highest energy storage and power delivery densities (per weight) of modern batteries.  This enables longer operation between charging and dependable operation of high current electrical loads or inrush currents without startup sequencing.

The Invocon Smart Battery is designed for mission critical applications.  Custom circuitry, without single point of failure, provides uninterruptable power discharge for mission critical applications.  This feature is enabled with an external “Flight Enabled” key and latched against unintentional release to provide full battery power delivery without overcurrent or temperature disconnect.

Click here to learn more about the Invocon Smart Battery

WEBDAS™

Wireless Ethernet-Based Data Acquisition System

This system enables the use of existing Ethernet hardware and Web-based IT resources for the configuration, acquisition, transmission, and display of sensor data from extremely low-power RF sensors.

Click here to learn more about the WEBDAS system.

WSGIS™

Wireless Strain Gauge Instrumentation System

Programmable initiation triggers over a 10 minute acquisition and non-volatile storage. Post acquisition download is either USB or wireless.

  • 20KHz Sample Rate
  • 4 External Resistive Transducer channels per unit
  • 4 External low-speed RTD channels per unit
  • Approximate Size: 7.0cm x 3.8cm x 8.3cm (not including flanges or antenna)

Click here to learn more about the WSGIS system.

ACI

Advanced Capabilities Initiative

Designed to autonomously perform user-developed algorithms on the remote unit and periodically transmit the results through the network.  Specifically designed for Condition-Based Maintenance (CBM) applications.

  • Up to 200KHz Sample Rate
  • Up to 16 sensors per unit
  • 32+ units per system
  • The units can support any capacitive, resistive, or voltage sensor type.
  • Approximate Size: Expandable from 13.7cm x 8.9cm x 10.8cm

Click here to learn more about the ACI system.

ADDS

Autonomous Dynamic Data Sensor

Experimental data gathering and recording of environments on and around on-orbit vehicles. The data was used to evaluate the effects of the external environment on structures and flight dynamics.

Click here to learn more about the ADDS system.

Advanced MicroWIS™

Advanced Micro-Miniature Wireless Instrumentation System

A real-time asynchronous, analog-to-digital system that wirelessly transmits data for graphical representation and storage on a PC.

  • 20Hz Sample Rate
  • 1 channel per unit
  • 5 units per system
  • Approximate Size: 3.3cm x 3.3cm x 1.5cm replaceable battery unit

Click here to learn more about the Advanced MicroWIS system.

AIRNET

Aircraft Integrity Radio Network Evaluation Technology

A multi-sensor system for in-flight aircraft performance evaluation. An intra-aircraft wireless network collected the data for automatic downloading to ground receiving stations during flight.

  • Sample Rate: Programmable from 4.8Hz to 1KHz
  • Approximate Size: 10cm x 14cm x 4.5cm

Click here to learn more about the AIRNET system.

BodyLAN

A multi-unit wireless pulse and breathing rate detection system. Internal electronics acquired data from the external optical deflection pressure sensor, performed analyses, and transmitted the pulse and respiration rate information. A real-time mode transmitted raw data to the receiver.

  • 1 external optical deflection pressure sensor for pulse and respiration monitoring
  • Sample Rate: 64Hz and 512Hz (Respiration and Heart Rates Respectively)
  • Approximate Size: 5cm x 5cm x 2cm

Click here to learn more about the BodyLAN system.

CIS

Conformal Ice Sensor

Developed for Boeing's efforts on the Joint Strike Fighter to detect ice formation on de-icing boots on the aircraft engine intake. The sensor can determine both the presence and type of ice formation.

Click here to learn more about the CIS system.

ELMWIS™

Extended-Life Micro-Miniature Wireless Instrumentation System

A real-time and/or store-and-forward system capable of recording 1 year of data onto non-volatile memory (at 1 sample per minute) with a wireless download. Designed for 10-year usage without battery exchange. Also capable of networking between units.

  • 1/Day - 1/15sec Sample Rate
  • 1 channel per unit
  • 50 units per system
  • The units can support any resistive sensor type.
  • Approximate Size: 7cm x 5.9cm x 3.1cm

Click here to learn more about the ELMWIS system.

ESBAWM

Entire-Ship Ballast Autonomous Wireless Monitor

ESBAWM will monitor and log ballast exchanges in oceanic cargo vessels. Multiple Ballast Monitoring Units (pictured) are mounted atop ballast sounding pipes and periodically monitor the ballast levels. These units then pass ballast activity through a wireless network to the Ship Data Collection and Location Unit that logs the ballast activity and respective GPS location information. As the ship approaches shore an automatic wireless download and internet transport can alert port authorities to potentially contaminated ships before they enter port.

Click here to learn more about the ESBAWM system.

GPSCON

Global Positioning System Interface Controller

Served as the interface between TANS and the Wake Shield Facility (WSF) recording GPS information and translating messages between the two external devices. The GPSCON was part of a high priority Risk Mitigation Experiment (RME1311) for Relative Global Positioning System (RGPS) navigation flight.

Approximate size: 20cm x 5.7cm x 29cm

Click here to learn more about the GPSCON system.

MicroSAFE™

Micro-Miniature Stress Analysis and Forecasted Endurance

Performs the ASTM Rainflow Cycle Counting Algorithm in real-time as it acquires strain data. Performs continual Rainflow analysis on site without the need for large data storage mediums or post-processing..

  • Sample Rate: 32Hz
  • 1 external channel per unit
  • The units can support any resistive sensor type.
  • Approximate Size: 2.5cm x 2.5cm x 3cm (pictured external battery unit)

Click here to learn more about the MicroSAFE system.

MicroSGU™

Micro-Miniature Strain Gauge Unit

Programmable initiation triggers a single acquisition event.  Capable of recording on to non-volatile memory up to 13 minutes of data from each channel for post-acquisition wireless download.

  • 250Hz Sample Rate
  • 2 external sensors per unit
  • The units can support any resistive sensor type
  • Approximate Size: 5.5cm x 4cm x 2.8cm

Click here to learn more about the MicroSGU system.

MicroTAU™

Micro-Miniature Tri-Axial Accelerometer Unit

Programmable initiation triggers for two consecutive acquisition events.  Capable of recording to non-volatile memory up to 9 minutes of data from each channel for post-acquisition wireless download.  Multiple units can be programmed for synchronous acquisition.

  • 250Hz Sample Rate
  • 3 Internal tri-axial sensors per unit
  • Approximate Size: 5.5cm x 4cm x 2.8cm

Click here to learn more about the MicroTAU system.

MicroWIS™-CO2

Micro-Miniature Wireless Instrumentation System for Carbon Dioxide Measurement

A wireless data acquisition system for near-static CO2 measurements. The sensor element uses a Non-Dispersive Infrared Diffusion (NDIR) method for measurement.

  • Sample Rates: One sample per 15min, 30min, 1hr, or 2 hr
  • Accuracy: ±200ppm or 5% of reading, which ever is greater
  • Battery Lifetime: 166 Days at 1 sample per hour and 2 min warm-up
    34 Days at 1 sample per hour and 10 min warm-up
  • Approximate Size: 3.5cm x 6.4cm x 8.6cm

Click here to learn more about the MicroWIS-CO2 system.

MicroRecorder™

Micro-Miniature Data Acquisition Recorder

An autonomous store-and-forward data recording system. 128kbytes of non-volatile memory can store over one month of data (at 1 sample per minute) with a wired download. Programmable acquisition initiation.

  • 1/hour - 1/sec Sample Rate
  • 1 channel per unit
  • The units can support any resistive sensor type.
  • Approximate Size: 3.3cm x 3.3cm x 1.5cm replaceable battery unit

Click here to learn more about the MicroRecorder system.

MicroWIS™

Micro-Miniature Wireless Instrumentation System

A real-time asynchronous wireless transmission system. Immediate graphical representation and storage on a PC.

  • 1 channel per unit
  • 100 units per system
  • The units can support any resistive sensor type.
  • Sample Rate: 1/hour - 0.25Hz
  • Approximate Size: 3.3cm x 3.3cm x 1.5cm replaceable battery unit.

Click here to learn more about the MicroWIS system.

MMA

Micro-gravity Measurement Apparatus

MMA constantly monitors micro-vibrations in the International Space Station. MMA will help correlate any anomalies in micro-g experiments with ISS vibrations.

  • External Tri-Axial Accelerometer
  • Sample Rate: Programmable up to 1.2kHz
  • Resolution: Better than 2micro-g
  • Accuracy: Better than 10micro-g

Click here to learn more about the MMA system.

PSAW

Programmable Surface Acoustic Wave Correlator

Invocon has teamed with NASA and Sandia National Labs to develop an ultra low power Direct Sequence Spread Spectrum (DSSS) radio based on a programmable Surface Acoustic Wave (PSAW) correlator. The PSAW will perform the primary function of the down converter, demodulator, and baseband processor in a conventional (DSSS) receiver, but with no power consumption. The correlator forms a passive matched filter for symbol detection and possibly symbol generation.

Click here to learn more about the PSAW project.

SCAT

Sensor Control and Acquisition Telecommunications (SCAT)

NASA Johnson Space Center (JSC) sponsored Invocon's development of "next generation" data acquisition and communications networking concepts to be deployed in, on, and around space structures under construction.

Click here to learn more about the SCAT system.

SIGHT

Site Inspection of Gas Mains by Helical Tomography

A robot developed to internally map the wall thickness of pipes, forming a tomogram image of the cross-sectional area of the pipe.

Click here to learn more about SIGHT.

SMES

Wireless Data Acquisition system for Structural Monitoring and Evaluation

Designed for the U.S. Department of Transportation to measure the performance of bridge structures under transient loads. Up to 60 sensors on a bridge can measure stress/strain, vibration, and temperature.

Click here to learn more about the SMES system.

TMS™

Tension Measurement System

A data acquisition system that monitored the performance of nylon dispersion bridles of a parafoil under transient loads, specifically to be used in parachute drop tests for the X38 vehicle preliminary flight tests.  The TMS data acquisition units measure tension on the dispersion bridles and ambient temperature data on the parafoil structure.

  • Sample Rate: Programmable 10Hz and 50Hz
  • 1 channel per unit
  • The units can support any resistive sensor type
  • Approximate Size: 7cm x 5cm x 4cm

Click here to learn more about the TMS system

UltraWIS™

Ultrasonic Wireless Instrumentation System

Invocon is currently in Phase II of a NASA Small Business Innovation Research (SBIR) program to assist in locating leaks within pressurized spacecraft with minimal expenditure of vehicle or crew resources. The UltraWIS units monitor an entire habitation structure as part of a network of ultrasonic sensors.

  • 8 Ultrasonic sensors per unit
  • Sample Rate: 100kHz
  • Approximate Size: 5cm x 5cm x 2.5cm

Click here to learn more about the UltraWIS system.

UVOSPS

Un-tethered Velocity of Sound Profiling Sensor

Invocon has recently begun a Phase II Department of Defense (DOD) Small Business Innovation Research (SBIR) program to assist the US Navy in measuring the water column sound velocity. The sensor system is a stack of miniature probes that are periodically released to sink and send both temperature and depth back to the host-buoy.

Click here to learn more about the UVOSPS project.

VMMS

Video Micro Movement Sensor

A camera for testing and inspection. The camera can take still pictures intended for periodic inspections or operate as a video camera to detect movement. At 2 feet the camera can track movement of a target to 1mm.

  • Video Frame Rate: 60Hz
  • 1 CMOS active pixel image sensor per unit
  • Approximate Size: 4.4cm x 5.4cm x 3.2cm

Click here to learn more about the VMMS system

WAIS™

Wireless Airborne Instrumentation System

A real-time, highly synchronous analog-to-analog or analog-to-pseudoPCM networked system. Programmable sample rates, filters, offsets, and gains on all inputs.  Synchronization between samples on remote units is ±300ns.

  • Up to 12KHz Sample Rate. Aggregate system throughput is 86K Samples per Second
  • Up to 16 sensors per unit
  • Up to 8 units per system
  • Maximum 64 channels per system
  • Modules can support resistive, capacitive, and voltage sensor types.
  • Approximate Size: Expandable from 13.7cm x 8.9cm x 7.7cm

Click here to learn more about the WAIS system.

WATS™

Wireless Autonomous Telemetry System

A real-time, synchronous, analog-to-digital system that wirelessly transmits data for graphical representation and storage.

  • 20Hz Sample Rate
  • 1 channel per unit
  • 5 channels per system
  • The units can support any resistive sensor type.
  • Approximate Size: 3.3cm x 3.3cm x 1.5cm replaceable battery unit

Click here to learn more about the WATS system.

WB MicroTAU™

Wide-Band Micro-Miniature Tri-Axial Accelerometer Unit

Programmable initiation triggers over a 10 minute acquisition and non-volatile storage.  Post acquisition download is either USB or wireless.

  • 20KHz Sample Rate
  • 3 External Accels per unit
  • 1 External RTD per unit
  • Approximate Size: 6.9cm x 5.3cm x 3.3cm

Click here to learn more about the WB MicroTAU system.

WDAS

Wireless Data Acquisition System

A "smart" wireless network flown as a Development Test Objective (Program RME1330) on two Shuttle missions. This system served as a foundation for future Shuttle and ISS systems.

Click here to learn more about the WDAS system.

WFCS

Wireless Flight Control System

A proof-of-concept system to control of aircraft with radio frequency links between the pilot controls and the flight control surfaces on the wings.  The requirement involved the design of suppressed carrier, spread spectrum, high redundancy, data links that could be demonstrated first on a ground-based test bed and later flown on a NASA research aircraft.

Click here to learn more about the WFCS system.

WIS™

Wireless Instrumentation System

A high accuracy and resolution data acquisition system that transmits data and configuration information wirelessly. Unit-to-unit start of acquisition is synchronous to ±300ns. Adaptive configurable routing.

  • Programmable Sample Rates: 4.5Hz - 1KHz or 12Hr - 2sec sample periods
  • Up to 64 channels per unit
  • Approximate Size: Expandable from 9cm x 15cm x 11cm

Click here to learn more about the WIS system.

WISP

Wireless Instrumentation Sensor Processor

Designed to gather and process data from airframes that would be used to predict failures in critical airframe structures. The processing uses complex, real-time, mathematical transformation that must differentiate normal airframe behavior from the behavior of the structure containing the flaw.

Click here to learn more about the WISP system.

WSDS

Wake Shield Data Acquisition System

Developed to gather pressure experienced on the surface of the satellite when the RCS (Reaction Control System) jets on the Shuttle were fired during rendezvous and grappling operations.

Click here to learn more about the WSDS system.