Mobility Solutions

Bosch lean-angle sensor for motorcycles Improved safety, comfort, and dynamics on two wheels

  • Sensor provides vehicle dynamics data for motorcycle safety and comfort functions
  • Considerably more compact and powerful than its predecessor
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  • September 23, 2013
  • Mobility Solutions
  • Press releases

press release

Assistance systems are gaining ground for motorcycles, too. For instance, traction control increases safety, while hill hold control enhances comfort. The Bosch SU-MM5.10 lean-angle sensor supplies the vehicle dynamics data these functions need. It measures the motorcycle’s longitudinal, lateral, and vertical acceleration during the ride and uses this information to calculate the motorcycle’s yaw and roll rate. These sensor values provide the basis for ensuring safer, more comfortable, and also more dynamic motorcycling. The first series-production application for this latest-generation sensor came at the end of 2012 in the KTM 1190 Adventure and Adventure R.

The lean-angle sensor communicates the data it measures and calculates to the CAN bus. This allows the data to be used in a range of safety and comfort functions on the motorcycle, such as traction control, cornering light, launch control, and a wheelie-limiting function. The sensor values will also be used by other functions that are either close to launch or planned for the future, such as cornering ABS, fall detection, and semi-active suspension.

Lean-angle sensor now smaller and more powerful
Compared with the previous model, the SU-MM5.10 sensor’s size, weight, and power consumption have been further reduced. It weighs just 40 grams, some 60 percent less than its predecessor, and is considerably smaller, providing greater design flexibility for motorcycle manufacturers.

Thanks to new micromechanical components built using MEMS (micro-electro-mechanical systems) technology, this sensor with integrated evaluation electronics consumes just 65 milliamperes of power. It can be combined with either Bosch motorcycle ABS or third-party systems. Based on customer specifications, the lean and pitch angle can also be computed by an external control unit, with the lean-angle sensor providing the necessary 5D values for model-specific safety and comfort functions.

For the KTM 1190 Adventure und Adventure R, Bosch is supplying not only the lean-angle sensor but also motorcycle ABS with off-road control as well as traction control. From model year 2014 the motorcycles will also feature Bosch MSC motorcycle stability control.

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Mobility Solutions is the largest Bosch Group business sector. In 2015, its sales came to 41.7 billion euros, or 59 percent of total group sales. This makes the Bosch Group one of the leading automotive suppliers. The Mobility Solutions business sector combines the group’s expertise in three mobility domains – automation, electrification, and connectivity – and offers its customers integrated mobility solutions. Its main areas of activity are injection technology and powertrain peripherals for internal-combustion engines, diverse solutions for powertrain electrification, vehicle safety systems, driver-assistance and automated functions, technology for user-friendly infotainment as well as vehicle-to-vehicle and vehicle-to-infrastructure communication, repair-shop concepts, and technology and services for the automotive aftermarket. Bosch is synonymous with important automotive innovations, such as electronic engine management, the ESP anti-skid system, and common-rail diesel technology.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 375,000 associates worldwide (as of December 31, 2015). The company generated sales of 70.6 billion euros in 2015. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing and sales network covers some 150 countries. The basis for the company’s future growth is its innovative strength. Bosch employs 55,800 associates in research and development at 118 locations across the globe. The Bosch Group’s strategic objective is to deliver innovations for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

Further information is available online at www.bosch.com and www.bosch-press.com, http://twitter.com/BoschPresse.

PI8332 - September 23, 2013

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