An optical cable, which is flame-retardant, and has excellent adhesion of the protective covering to the fiber cladding and uniform thickness of the fiber cladding, contains a polymer optical conductor containing a fiber core; a single-layer or multi-layer fiber cladding; an inner external layer which adheres to the fiber cladding with a peel force of at least 50 N; and an outer external layer which adheres to the inner external layer with a peel force of not more than 30 N. The inner external layer contains a molding composition having a first polyamide selected from a) PA 11, b) PA 12, c) PA 1012, d) PA 1212, e) a copolyamide of at least two of PA 11, PA 12, PA 1012 and PA 1212, said copolyamide containing not more than 30 mol % of a comonomer, and f) mixtures thereof. The first polyamide contains at least 50 μeq/g of amino end groups. The first molding composition has a zero-shear viscosity of from 400 to 6000 Pas. The outer external layer contains a second molding composition which has the following i)-iii): i) from 20 to 95% by weight of a second polyamide selected from a) PA 11, b) PA 12, c) PA 1012, d) PA 1212, e) a copolyamide of at least two of PA 11, PA 12, PA 1012 and PA 1212, said copolyamide containing not more than 30 mol % of a comonomer, f) a polyetheramide of at least one of a)-e), and g) mixtures thereof, ii) from 5 to 45% by weight of a flame retardant, and iii) from 0 to 60% by weight of an impact modifier.

Polymeric optical conductors

Disclosed are an optical fiber cable comprising an optical fiber and at least one covering layer formed on the outer periphery of the optical fiber, at least one layer of the covering layer being made of a material comprising a resin component containing a polyamide polymer, wherein a flexural modulus E upon displacement of 1 mm is within a range from 2 to 15 (N/mm) and the optical fiber cable passes a flame resistance test in accordance with DIN 72551-5, and an optical fiber cable with a plug using the optical fiber. Therefore, they have excellent flame resistance and good handling properties.

Optical fiber cable and optical fiber cable with plug

An integrated vehicle control system for integratedly controlling a vehicle drive system transmits a control command from a manager ECU to an engine ECU and an AT ECU. The manager ECU receives characteristic information of an engine and an AT from the engine ECU and the AT ECU. The control commands are set on the basis of the characteristic information. Further, the engine ECU and the AT ECU are provided with a plurality of control rules corresponding to different tuning patterns. The manager ECU retrieves realizable tuning patterns from these ECUs, and selects the optimum tuning pattern corresponding to a use of a vehicle.

Integrated vehicle control system having manager ECU

A control system for a servo-assisted automatic gearbox (AS) in which the gearbox control unit (CA) communicates by means of a data line (LD) with the engine management unit (CM) in such a way as to optimise the gear-change operation. In particular, the gearbox control unit (CA) transmits to the engine management unit (CM), during the course of the various phases A, B, C, D, E of the gear-change operation, the target speed of rotation or desired torque and receives instantaneous information relating to the speed of rotation and delivered torque so as to be able to perform the clutch engaging and disengaging operations and the gear engaging and disengaging operations in an optimal manner.

A control system for a servo-assisted gearbox

Optical fiber having a glass portion; at least one protective coating of thermoplastic material having at least one thermoplastic elastomer; the thermoplastic material having the following characteristics: a modulus of elasticity value at +25° C. lower than 150 MPa, preferably at least 10 Mpa, more preferably higher than 20 Mpa, and a Vicat point higher than 85° C., preferably higher than 120° C., more preferably lower than 350° C. Preferably, the coating is a single protective coating directly positioned onto the glass portion.

Optical fiber with thermoplastic material based coating

Die Steuerung schliest eine Getriebesteuerung und eine Motorsteuerung (2) ein, welche durch einen Kommunikationskanal (6) miteinander verbunden sind. Funktionseinheiten der Getriebesteuerung, die von Daten des Motors (1) und des Chassis des Kraftfahrzeugs abhangig sind - sogenannte motor- und chassisspezifische Funktionseinnheiten - sind in die Motorsteuerung (2) integriert. Funktionseinheiten, deren Funktion von Daten des Getriebes abhangig ist - sogenannte getriebespezifische Bestandteile - sind in einer rechnergesteuerten Ubersetzungswechseleinrichtung (4) enthalten. Zum Steuern des Getriebes erforderliche Daten - Daten (7) zur Wahl oder Festlegung der Getriebeubersetzung und Konfigurationsparameter (8) zur Anpassung der Steuerung an das jeweilige Kraftfahrzeug - werden zwischen der Motorsteuerung (2) und der Ubersetzungswechseleinrichtung uber den Kommunikationskanal (6) ausgetauscht. Eine Schaltpunktauswahlsteuerung (22), die als Fuzzy-Control-Steuerung ausgebildet sein kann, ist in der Motorsteuerung (2) enthalten.

Steuerung für ein Kraftfahrzeug

The control unit proposed includes a transmission-control unit and an engine-control unit (2) connected to each other by a communication channel (6). Functional units of the transmission-control unit which are dependent on data from the engine (1) and chassis of the vehicle -- so-called motor- and chassis-specific functional units -- are integrated in the engine-control unit (2). Functional units whose function is dependent on data from the transmission -- so-called transmission-specific components -- are contained in a computer-controlled gear-shift unit (4). Data required for the control of the transmission -- data (7) for selecting or determining the gear and configurational parameters (8) for adapting the control unit to the particular vehicle -- are exchanged along the communication channel (6) between the engine-control unit (2) and the gear-shift unit. A shift-point selection control unit (22), which may be designed as a fuzzy-control unit, is included in the engine-control unit (2).

Control unit for a motor vehicle

A control for a motor vehicle with an automatic gear shift includes a gearbox control and an engine control (2) interconnected by a communication channel (6). The gearbox control functional units which depend on engine (1) and chassis data of the motor vehicle - the so-called engine- and chassis-specific functional units - are integrated into the engine control (2). Functional units whose operation depends on gearbox data - the so-called gear-specific components - are contained in a computer-controlled speed shifting arrangement (4). The data required to control the gearbox are exchanged between the engine control (2) and the speed shifting arrangement (4) through the communication channel (6). A shift point selection control (22) that may be designed as a fuzzy control is contained in the engine control.

Motor vehicle control

The aim of the invention is to provide a means of optimally adapting a polymeric optical fibre to different mechanical and chemical requirements and different conditions of use. To this end, the protective coating which is applied to the optical jacket consists of at least three layers, said layers having been deposited together and being permanently bonded to each other. The first, inner layer (13) consists of a natural-coloured thermoplastic material, the second layer (14) is the opaque layer, and a third, outer layer (15) consists of a dyed thermoplastic material. By selecting different materials for the various layers, said layers being applied by repeated extrusion, it is possible to produce a customised optical fibre. The inventive fibre is particularly suitable for transmitting data in motor vehicles.

Polymeric optical fibre with a multilayer protective coating

A control for a motor vehicle includes a transmission control and an engine control which are connected to one another through a communication channel. Functional units of the transmission control which are dependent on data of an engine and of a chassis of the motor vehicle, so-called engine-specific and chassis-specific functional units, are integrated into the engine control. Functional units having a function which is dependent on data of the transmission, so-called transmission-specific components, are contained in a computer-controlled gear shifting configuration. Data which are necessary for controlling the transmission are exchanged between the engine control and the gear shifting configuration through the communication channel 6. A shift point selection control, which can be constructed as a fuzzy control, is contained in the engine control.

Control for a motor vehicle with an automotive transmission and a smart gear change unit

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