Showing results: 91 - 93 of 93 items found.
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imc Test & Measurement GmbH
Electric drives such as DC and EC motors are more and more extensively deployed in the automotive industry. At the same time there is an increasing requirement for a 100% analysis of motors for fault detection and error analysis as well as statistics on quality, without increasing production cycles times. The model-based Parameter Identification method (PI method) from imc allows testing to be performed under load, yet without an “explicit” separate load machine. Instead, the motor is loaded dynamically by exploiting its own inherent inertia. This allows motor parameters such as resistance, inductivity and friction to be determined within a few seconds. A mathematical model and its parameters reflect motor behaviour in its completeness and make it possible to monitor motor production based on limit values and trend statistics. The identified parameters of the model equation can then be used to calculate derived key performance indicators of the motor characteristic curve.
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MD-AWD-500-AC/EC-100/250 -
Mustang Dynamometer
The key to designing an AWD dynamometer properly is to understand the methods currently being used by manufacturers in the field of AWD drivetrain technology. A dynamometer that can accommodate various types of AWD vehicle transmissions and wheelbases without excessive complication and, more importantly, without risking damage to a client’s AWD system is paramount. Full time AWD vehicles are designed to provide maximum performance regardless of road conditions. In cases where traction is less than ideal, a vehicle may be designed to improve stability and traction at the expense of power. This means adding torque to a spinning wheel or retarding of timing. In order to properly test an AWD vehicle for peak performance, an AWD chassis dynamometer must be able to simulate ideal road-load conditions to the vehicle. This approach allows the vehicle to be evaluated under “optimum” operational conditions; whereby torque is distributed to the vehicle’s tires in the same manner that would normally occur when a vehicle has equal traction at all four drive wheels, and is therefore operating at peak efficiency. To achieve this, Mustang’s AWD-500 Series incorporates an internal drive system that synchronizes the front and back rollers to simulate a flat, dry road condition. Synchronization, or linkage, insures that the front and rear rollers are always spinning at precisely the same road speed. This process eliminates the possibility of activating a vehicle’s traction control system and also insures that a vehicle’s torque management system is operating under the assumption that the vehicle is not skidding, turning or slipping. Mustang’s AWD-500 can be operated in AWD Mode while testing two-wheel drive vehicles. This process allows the non-driven axle to be spun by the dynamometer rollers at the same speed as the driven axle, eliminating the speed differential that occurs on two-wheel drive dynamometers – problem solved.
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OAKTON Instruments
Get easy-to-read and accurate readings with auto-hold, auto-stable, and real-time measurements with stability indicators. The Environmental Express® Oakton® 300 series multiparameter meters utilize smart sensor technology with sensor heads that feature a built-in digital circuit for automatic sensor recognition. Sensor information including sensor ID, calibration data, and measurement setup is stored in sensor head and viewable on the meter display when sensor is connected. Sensor heads are easy to connect and disconnect with waterproof push-lock connector. Sensor cartridges (pH and EC) are replaceable for a cost-efficient and environmentally friendly system. Blue LED light on the sensor head functions as a reading stability indicator, flashing until the reading is stable. Meter stores up to 10,000 data sets with date-and-time stamp for accurate and easy analysis. Quickly transfer data from meter to computer seamlessly via USB cable or wirelessly via Wi-Fi. Easily take measurements and conveniently store meter and electrodes with built-in foldable stand on the back of the meter. Three grooves on the meter serve as electrode holders, to hold up to three electrodes simultaneously.
