Application notes

Service and maintenance departments in power plants all over the world are faced with difficult tasks in relation to their measurement systems. Above all, solutions must be implemented for mobile use and as many different signals as possible must be acquired and measured with one measurement device. imc Test & Measurement GmbH has developed its innovative and compact imc measurement system case especially for this area of application.

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In the modern development of hand-held power tools, the measurement of frequencies and vibrations that can be harmful to humans, as well as determining resonances in rotating tools, plays an increasingly important role. On the one hand, it is a matter of fulfilling the EU Standard “Noise and Vibration Regulations” (standard measurement procedure according to EN ISO 5349-1/2). On the other hand, it is of great importance to identify weak points in the tool at an early stage by means of order tracking and thus eliminate them easily.

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As engines become quieter, certain vehicle components are becoming perceivable which were previously drowned out by engine noise. For this reason, acoustic measurement now faces new challenges.

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The Czech aircraft manufacturer LET ‐ Aircraft Industries (formerly LET Kunovice) specializes in small passenger aircraft and gliders. For each new market adjustment, that is, after refitting or retrofitting the aircraft, the manufacturer must perform recertification.

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Stability tests of ships, harbors & oil platforms in waves

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Test stand for automotive oil filters

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Testing and certification of high-speed trains

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The Fraunhofer Institute of Wind Energy and Energy System Technology (IWES) uses the Dx telemetry system in a condition monitoring project at a wind power station. Oliver Schultz, technical staff member of IWES: “The Dx-telemetry system has convinced us due to its minimal space requirements and its good cost-performance ratio.”

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Finding efficient solutions for the specific requirements of railway technologies is of decisive importance for the manufacturers of railway vehicles. Safety issues play as much of a role as passenger comfort, speed and economic factors.

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Wind energy installations need to operate reliably over many years in order to be productive and redeem costs. Along with the expert knowledge of developers and engineers, test measurements are crucial for disturbance-free operation of an installation in the long run.

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Optimized powertrain topology and design are essential for achieving progressive development of electric vehicles. On behalf of the Fraunhofer Institute (IFAM Bremen), imc Test & Measurement GmbH has developed a test station with two testing tracks and an integrated simulation solution, enabling the development and testing of new components for and models of electric motor powertrains.

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“Formula Student Germany” is a design and engineering competition that brings together scientific and academic theory of technical colleges and universities with practical experience on a real race track. During a year’s time, the students design and build their own race car that has to comply with a set of competition rules. The German team from the Hochschule Ravensburg-Weingarten was supported by imc Test & Measurement GmbH with one of their imc CANSAS-L-DCB8 modules. This measurement module was used to determine and investigate forces and strain that the car's suspension system was subjected to under real race conditions.

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imc 系统应用于巡逻快艇及公务船艇测试

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德国首都柏林的公共交通系统深受游客和居民的喜爱。面对如此高的载客频率，车辆在实际操作条件下进行道路测试就显得尤为重要。 为了使整个公交车队都能符合这样的高标准，新的公交车辆必须经过大量的道路测试验证——尤其是跟荷兰公交车制造商 VDL 新订购的车辆。在城市道路上对公交车辆进行实车测试和采集数据，VDL 公司信赖 imc 的专业技术，使用的测量系统包含 imc BUSDAQ-2-ET 以及 imc CANSAS-INC 和 SCI 模块。

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现代船用齿轮箱的安装要求非常高：显然，将电机的动力传输到驱动轴是其主要任务。然而，与辅助驱动的各种单元配合好也是很关键的，如：泵、发电机、制动器和带有锁定装置的螺旋桨与曲轴等。无论研发部门，还是品保部门，都需要进行广泛的测试以确保船用齿轮箱的最高品质。

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在为电动汽车开发新电池和电池管理系统时，广泛的测试和验证是当务之急。这些可用于确定电池芯、模块和完整电池组的负载极限。调查包括气候室中的加载和卸载循环以及碰撞载荷、穿透、压缩和弯曲以及振动试验。为此，使用了一个灵活、自动的测试系统，包括数据评估，该系统可以在高压环境中无干扰、安全地记录数据。SK Innovation是世界上最大的电池制造商之一，该公司依靠imc的高压测量技术，并委托多个测量架进行电池测试。

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For quite some time now, interior noise in cars has been getting quieter. The once dominant sound of the internal combustion engine is now in the background, and other noise sources have moved to the forefront. Due to their high RPM, alternators contribute up to 40% of this total noise inside the vehicle. In order that this noise doesn't become to dominant or disturbing, imc automated the entire test sequence. The system consists of a modular imc measurement system and customized software based on the imc STUDIO software platform.

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For the firm Ingenieurgruppe Bauen, headquartered in Mannheim, Germany, we have integrated two standard elements - an imc measurement device and the evaluation software imc FAMOS - into an overall solution to achieve the goal of automated vibration analysis in buildings and structures.

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Ensuring safety on bridges with imc measurement systems.

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在超市、食品店以及商店使用冷柜是为了保持易腐产品处于适宜的温度范围。为了确保冷柜性能符合ISO标准，荷兰Smeva公司采用了imc先进的测试解决方案。

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Read more about the application of the imc data acquisition system used during the flight test sessions of the ultra-light helicopter manufactured by CURTI Costruzioni Meccaniche Spa.

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风轮机制造商 Senvion采用的imc试验解决方案

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100多年来，位于德国法兰克福的SAMSON AG一直在制造各种尺寸的通用工艺材料阀门。 无论在哪里控制或调节油，气，蒸气和化学物质，都可以找到SAMSON阀。 在imc Test＆Measurement GmbH的测量技术的帮助下，这些阀门在新开发的测试中心“ ROLF SANDVOSS创新中心”得到了验证。 通过将开发测试中心连接到云，可以根据访问权限在全球范围内检索和分析来自imc测试平台的测量数据。

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过去的十年中，在中国的科学研究和制造领域，关乎国民经济和民生的重要热点之一——中国高铁线路运营大型联调联试工程中，移动实验室(中国高速综合检测列车)，被亲切地称为 “黄医生”。 这种配备有imc数据采集系统的综合性高速测试列车代表了高速铁路车辆和基础设施建设中最高水平的研究和测试。

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新定法规WLTP测试周期要求对新乘用车模型的每个部分进行能耗测量。 欧盟用作消耗值标准的测量程序包括在测试台上进行测量和在道路上进行RDE测试以确定实际值。 为了以省时和成本经济的方式应对该测试周期，imc开发了一种用户友好且紧凑的测量箱，该测量箱既可以在测试台上使用，也可以在道路上使用。

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以色列的imc合作伙伴MotionTech Ldt,开发了带有imc CRONOSflex系统和imc STUDIO的整车应用程序，用于测量车辆振动以进行耐久性测试。 该测试在很大程度上是自动化的。 集成的实时数据分析可通过预先选择和处理测量数据来节省时间。

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数控机床切削刀具，随着磨损加剧会直接影响工件加工质量。本应用笔记讨论了中国用户如何使用”imc实时振动监测系统”， 对刀具动态性能实时检测分析，并作出评估和预测，以改进和优化刀具。

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车辆必须能够承受极端的轨道条件，如坑洞、坡道、跳跃或弯道。误用测试用于评估这些条件下部件的安全性和性能。在验证底盘部件和底盘的系统行为时，还需要检查控制单元的被动安全阈值。西班牙的IDIADA使用imc测量系统CRONOSflex，在试验期间从车辆（CAN-FD、Flexray、车内传感器信号……）和额外安装的传感器（加速计、陀螺仪、位移传感器、力传感器、应变计……）收集数据。

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For the commissioning tests of the new sky train, PROSE AG focused on the diversity of the measurement solutions offered by imc Meßsysteme GmbH.

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The SBB has developed stationary wheel-load checkpoints that can automatically acquire key data from a passing train in real time. With the help from imc, these checkpoints are equipped with high-precision strain gauge bridge amplifiers, as well as an industrial PC according to customer specifications. The system is designed to acquire safety-relevant load data, such as axle overloading and cargo shifting. It also recognizes flat spots on the wheels.

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A rail vehicle is subject to various dynamic loads under real operating conditions. Determining these loads is a cornerstone of railroad vehicle development. The aim of the project at Gutehoffnungshütte Radsatz GmbH (GHH-Radsatz) is to develop models that simulate the dy-namic load of tram wheels. To this end GHH-Radsatz developed a measurement wheel for use while the tram is operating in order to acquire data on relevant parameters. This included using a telemetry system from the imc partner KMT – Kraus Messtechnik GmbH.

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Torsional vibrations of wheelsets are a challenge in rail transport. The torsional vibration of a wheelset - also known as rolling - reduces traction and leads to increased wear. Together with the experts of the DNV-GL Maritime Advisory, imc has developed a rolling protection system (Torsional Vibration Limiting System, abbr. TVLS). It is characterised by its flexibility, performance and availability.

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