Engine Indication with Kistler KiBox® – the Flexible Combustion Analysis System for Vehicles and Test Benches
Advances in engine technology are impossible nowadays without measuring and assessing the complex, highly dynamic processes in the combustion chamber. Developers have to react quickly – when calibrating engines or troubleshooting, they need a straightforward way of validating test bench results in over-the-road testing. Likewise, calibration engineers need a tool for in-vehicle use that offers excellent functionality and computing power before, during and after the measuring run.
Combustion Analysis with Kistler's KiBox
KiBox is a complete system for combustion analysis – from data acquisition through to evaluation. It delivers detailed information on combustion quality in each individual cylinder, and makes all the relevant key data for engine development available in real time – synchronized with other measurement data and ECU control variables. KiBox is designed for users who need information on combustion, injection valve or ignition control – but it can also be used as a standard standalone system for engine indicating in vehicles or on the test bench.
KiBox: Key-Features at a Glance
- Compact indicating system, specifically designed for mobile in-vehicle applications
- Quickly ready to measure – simple to operate
- CrankSmart: Offers highly precise indicating measurements even when using the engine’s internal crank position sensor (hall, inductive)
- Easy integration (control and result transfer) to Inca and common test bench automatisation systems (Puma, Stars, …)
- Real time calculation and visualization of all common and also user programmable indicating results
- Channel extension by cascading of two systems
- Functional range of a standard combustion analysis system extended by valuable expert functions
- Standalone operation possible without a PC (Stream, CAN output)
- Open documented remote-API interface and measurement data format (*.open)
- Ensures reliable cost planning thanks to free software updates und upgrades
Complete combustion analysis in action: cylinder pressure sensors and Kistler KiBox
Indicating in the Development Departments: Calibration, Thermodynamics and Mechanics
KiBox supplies users with information on combustion, injection valve and ignition control – for example, to optimize engine mapping with the ECU calibration system. Data can then be processed and visualized, e.g. in the usual INCA environment.
On engine test benches, KiBox assists e.g. with thermodynamic research, basic parameterization of the engine control, and with the calibration of knock control or knock detection. When used as a monitoring system, it detects violations of limiting values, notifies them to the automation system and stores the relevant raw data with a history of events preceding and following.
Onboard System for Mobile Operation
Compact design, modular vehicle accessories and sensor connections on the front make KiBox ideal for mobile use. All the measurement parameters can be configured on the clearly structured intuitive user interface.
KiBox supports sensors with automatic sensor identification (PiezoSmart®). Signals are parameterized automatically with the help of an electronic datasheet (TEDS); the sensor runtime is recorded and stored for diagnosis.
CrankSmart® for Optimum Data Quality
The challenge: to optimize measurement data quality for vehicle indication in transient engine mode with strong torsional vibrations. The response: Kistler's experts joined with the Research Institute of Automotive Engineering and Vehicle Engines, Stuttgart (FKFS) to develop an innovative, time-saving process: CrankSmart® − so Kistler's KiBox can operate with the vehicle's own crank angle sensor.
Flexible Interfaces for Compatibility
Measurements and evaluations with KiBox are easy to configure, so they can quickly be adapted to individual requirements. A universal test bench interface means that KiBox can be integrated into commonly used automation systems such as Morphee, Puma and Stars.
KiBox supports virtual channels, so the number of available channels is high. Multiplexed ignition or injection signals from several cylinders can now be connected to one current probe input, so ignition or injection timing calculations can be performed for all cylinders.
With the need of additional physical channels two KiBox systems can be cascaded* to double the channel amount. Both devices are handled by the software as one system.
*accessory 2633A… required
User specific calculations
By means of the user formula individual real time calculations can be implemented easily. Therefor the software provides a program code editor (for Matlab syntax related source code). An import/export function offers an easy sharing with colleagues. In the download area some examples and valuable extended calculations can be downloaded.
This service is for free and will be updated continuously. Within the scope of our KiBox services we will support you by developing your own algorithms or program codes if required. Therefor please request your local Kistler contact person.
You can find additional documentation, data sheets and operating instructions for the Kistler KiBox here.
Engine efficiency is maximized
Resource-saving potential is identified
Key indication values are calculated in real time
Limiting values are monitored continuously, with data backup
Faults are detected at an early stage