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An economical and robust data logger is presented that is well suited to ballistic environments. This ballistic data recorder acquires two channels of analog data over a 0- to 5-V range, with acquisition times as short as 2.3 microns and record lengths as large as 0.5 MB per channel. The microcontroller-based architecture allows many data acquisition parameters such as rate, mode, triggering method, and record length to be selected and varied by the user. Onboard batteries and charging circuitry further enhance the data logger's applicability and flexibility. Complete details of the ballistic data logger's hardware and software are presented in this report. A description of the hardware begins with a broad overview of the ballistic data logger's capabilities and method of operation and increases in complexity to provide complete electronic schematics, fabrication methods, and component procurement information. A complete listing of data logger software is provided with extensive documentation. The ballistic data logger's performance is verified with an example of acquired data.

Data loggers. --- Ballistics. --- DATA LOGGERS --- DATA RECORDERS --- MICROCONTROLLERS

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Most innovations in the car industry are based on software and electronics, and IT will soon constitute the major production cost factor. It seems almost certain that embedded IT security will be crucial for the next generation of applications. Yet whereas software safety has become a relatively well-established field, the protection of automotive IT systems against manipulation or intrusion has only recently started to emerge. Lemke, Paar, and Wolf collect in this volume a state-of-the-art overview on all aspects relevant for IT security in automotive applications. After an introductory chapter written by the editors themselves, the contributions from experienced experts of different disciplines are structured into three parts. "Security in the Automotive Domain" describes applications for which IT security is crucial, like immobilizers, tachographs, and software updates. "Embedded Security Technologies" details security technologies relevant for automotive applications, e.g., symmetric and asymmetric cryptography, and wireless security. "Business Aspects of IT Systems in Cars" shows the need for embedded security in novel applications like location-based navigation systems and personalization. The first book in this area of fast-growing economic and scientific importance, it is indispensable for both researchers in software or embedded security and professionals in the automotive industry.

Automotive computers --- Embedded computer systems --- Security measures. --- Access control. --- Embedded systems (Computer systems) --- Computer systems --- Architecture Analysis and Design Language --- Automotive microcontrollers --- Automobiles --- Microcontrollers --- Electronic equipment --- Software engineering. --- Electronics. --- Engineering. --- Data encryption (Computer science). --- Computer science. --- Special Purpose and Application-Based Systems. --- Electronics and Microelectronics, Instrumentation. --- Automotive Engineering. --- Cryptology. --- Computer Applications. --- Informatics --- Science --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computer security --- Cryptography --- Construction --- Industrial arts --- Technology --- Electrical engineering --- Physical sciences --- Computer software engineering --- Engineering --- Special purpose computers. --- Microelectronics. --- Automotive engineering. --- Application software. --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment --- Special purpose computers --- Computers

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Software development for the automotive domain is currently subject to a silent revolution. On the one hand, software has become the enabling technology for almost all safety-critical and comfort functions o?ered to the customer. A total of 90 % of all innovations in automotive systems are directly or indirectly - abled by software. Today’s luxury cars contain up to 80 electronic control units (ECUs) and 5 di?erent, inter-connectednetworkplatforms, overwhich some700 software-enabled functions are distributed. On the other hand, the complexity induced by this largenumber of functions, their interactions, and their supporting infrastructure has started to becomethe limiting factor for automotive software development. Adequate management of this complexity is particularly important; the following list highlights three of the corresponding challenges: First, the dependencies between safety-critical and comfort functions are rapidly increasing;a simple example is the interplay of airbag controland power seat control in the case of an accident. Careful analysis and design of these dependencies are necessary to yield correct software solutions. Second, advances in wired and wireless networking infrastructures enable - terconnection between cars and backend service providers (e.g., to call for help in cases of emergency), between cars and devices brought into the car by drivers and passengers (such as cell phones, PDAs, and laptops), and even among cars. This dramatically shifts the focus from the development of individual software solutionsresidingondedicatedECUstotheirdistributionandinteractionwithin and beyond car boundaries.

Automotive computers --- Automobiles --- Mobile computing --- Software engineering --- Informatique mobile --- Génie logiciel --- Design --- Congresses. --- Software --- Electronic equipment --- Equipement électronique --- Congrès --- Electrical Engineering --- Automotive Engineering --- Electrical & Computer Engineering --- Mechanical Engineering --- Engineering & Applied Sciences --- Autos (Automobiles) --- Cars (Automobiles) --- Gasoline automobiles --- Motorcars (Automobiles) --- Automotive microcontrollers --- Computer science. --- Special purpose computers. --- Software engineering. --- Computers. --- Computer logic. --- Computer simulation. --- Computer Science. --- Special Purpose and Application-Based Systems. --- Software Engineering. --- Computation by Abstract Devices. --- Logics and Meanings of Programs. --- Simulation and Modeling. --- Computer modeling --- Computer models --- Modeling, Computer --- Models, Computer --- Simulation, Computer --- Electromechanical analogies --- Mathematical models --- Simulation methods --- Model-integrated computing --- Computer science logic --- Logic, Symbolic and mathematical --- Automatic computers --- Automatic data processors --- Computer hardware --- Computing machines (Computers) --- Electronic brains --- Electronic calculating-machines --- Electronic computers --- Hardware, Computer --- Computer systems --- Cybernetics --- Machine theory --- Calculators --- Cyberspace --- Computer software engineering --- Engineering --- Special purpose computers --- Computers --- Informatics --- Science --- Motor vehicles --- Transportation, Automotive --- Microcontrollers --- Logic design. --- Design, Logic --- Design of logic systems --- Digital electronics --- Electronic circuit design --- Logic circuits --- Switching theory