Combustion Analysis System

DS-3000シリーズ

Cylinder Pressure Sensor Information Reading Function

You can obtain the operating time and product services of the internal pressure sensor from the charge amplifier for the internal pressure sensor. This can be used as a guideline for the replacement timing of the frequently worn internal pressure sensor and for additional purchase timing.
(* This function is only compatible with TEDS-compatible internal pressure sensors sold by Kistler.)

Heat calculation function

It is possible to output calculations regarding the work and losses associated with the fuel introduced into the combustion chamber, which were previously required to be calculated manually.

Continuous operation function - enhancement -

It is possible to change the parameter settings required for calculations during the process and perform batch calculations, thereby improving work efficiency by re-calculating multiple measurement data files with different conditions.

Arbitrary Physical Quantities & Judgment Processing - Cylinder-Specific Analysis Function Enhancement (DS-0328 Standard Software)

This function is effective in cases where multi-cylinder measurements are performed on actual vehicles or test benches. We have added the capability to analyze the combustion state for each cylinder using the ignition signal/fuel injection signal/air intake and exhaust pulsation signal output from the ECU for combustion control for each cylinder.
Even if the number of analysis items significantly increases and the effort to organize data increases, the analysis data can be linked by cylinder, allowing users to organize the desired analysis data without mistakes.

DS-0328 Combustion Analysis Software

This is basic software for combustion analysis. It packages essential functions from monitoring, measurement and calculation, to data storage.
It displays the analysis results in a list format, showing individual numerical display windows for each item per channel. Additionally, the trend window allows for a combined display of real-time trend data and intermittent trend data. Examples of various graph displays such as overlay for each cylinder, list display, trends, and a simple operation measurement screen are shown.
In simple operation measurement, basic combustion analysis measurements can be easily achieved by clicking the buttons arranged on the screen in order from the beginning.

DS-0328T Transient Combustion Analysis Function

It supports multi-cycle (long duration) measurements such as transient mode tests (JC08, JE05).
You can efficiently analyze by reading only the specified range in the cycle trend of the transient measurement.

Knocking Analysis Function

The engine knocking phenomenon is detected from the disturbance of the cylinder pressure signal.
Knocking calculation values and knocking occurrence rates are processed in real time. Knocking values and judgment values can be displayed on a calculation monitor, trend display, and numerical display.

Combustion Link Function

Communication is possible with TCP/IP sockets, allowing for various processes as listed below.
For example, it can be linked with an engine bench to synchronize and record performance data and combustion analysis data.

DS-0339 Knock Expert Function

Input combustion pressure signals and sound pressure signals into the combustion analysis system for use.

Crank Angle Pulse Period Measurement Function

The period of the crank angle pulse signal is measured and expressed as operational data.
The figure is an example of graphing the starting test data in an absolute angle text file. (Starting measurement is a standard feature.)

Multi-stage Injection Analysis Function

Calculations are possible for fuel injection and combustion up to a maximum of 10 stages.

Calculable items for each injection
Maximum injection pressure, position of maximum value, opening pressure, fuel injection start position, end position, injection rate centroid position, centroid position, ignition delay angle

Calculable items for each combustion
Heat generation rate centroid position, centroid position, combustion start position, end position, in-cylinder pressure and combustion chamber gas temperature at the combustion start position

Encoder-less Measurement Function

By converting real-time time angle, a new algorithm based on a small number of pulses (8 to 360 P/R) angle signals has been established, enabling stable measurement even during acceleration and deceleration, and allowing measurement without an encoder.

There is no need for an encoder for crank angle detection, and it becomes possible to measure crank angle signals (missing tooth pulse signals) for the ECU and small pulses from ring gears, etc. Additionally, delays are also corrected.

Calculation Customization Function

You can create arbitrary expressions that can be easily integrated as basic functions of combustion analysis.

DS-0365 INCA link function

Functionality that enables link measurement with the ETAS engine compatibility tool INCA
allows for time-synchronized measurement of ECU performance data and combustion analysis system calculation data.

DS-0383 CAN Measurement Function

The importance of CAN data, which supports automotive control, is increasing, and it can be synchronized with combustion analysis data to confirm measurement results for each cycle.